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CD RECEIVER
KDC-2027SA/SAY/SG/SGY KDC-3027A/AY/G/GY KDC-308A/AY/G/GY KDC-4027/V/VY/Y KDC-F327A/G
SERVICE MANUAL
Panel assy KDC-2027SA/SAY/SG/SGY (A64-3168-02)
© 2003-11 PRINTED IN JAPAN B53-0104-00 (N) 1839
CD mechanism extension cord (22PIN) : W05-0618-00
Front glass KDC-2027SA/SAY/SG/SGY (B10-4462-01)
MONO
D LO U
AUD
AME
AUTO
OFF
SCAN
RDM
REP
CLK ADJ
Panel assy KDC-3027A//AY/G/GY (A64-3166-02) KDC-308A/AY/G/GY (A64-3167-02) KDC-F327A/G (A64-3169-02)
Front glass KDC-3027A/AY/G/GY (B10-4460-01) KDC-308A/AY/G/GY (B10-4461-01) KDC-F327A/G (B10-4463-01)
PTY
D LO U
AUD
TI
VOL AUTO
OFF
SCAN
RDM
REP
CLK MENU
Panel assy KDC-4027/V/VY/Y (A64-3165-02)
Front glass KDC-4027/V/VY/Y (B10-4459-01)
EXTERNAL MEDIA CONTROL
-
PTY +
D LO U
AUD
TI
VOL AUTO
OFF
SCRL
SCAN
RDM
REP
M.RDM
CLK MENU
DC cord (E30-6132-05) (E30-6286-05)
Mounting hardware assy (J21-9716-03)
Antenna adaptor (T90-0523-05)
Lever (D10-4589-04) x 2
Escutcheon (B07-3001-02)
Plastic cabinet assy (A02-1486-13)
TDF PANEL INFORMATION MODEL PARTS NO. KDC-2027SA/SAY Y33-1960-64 KDC-2027SG/SGY Y33-1960-65 KDC-3027A/AY/G/GY Y33-1960-62 KDC-308A/AY/G/GY Y33-1960-63 KDC-4027/Y Y33-1960-60 KDC-4027V/VY Y33-1960-61 KDC-F327A/G Y33-1960-66
PANEL NAME TDF-2027SA TDF-2027SG TDF-3027 TDF-308 TDF-4027 TDF-4027V TDF-F327
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
CLK DATA MUTER MUTEL MRST MSTOP
SERCH
PON
S2(12EJE SW)
12EJE SW 21 LOE & LIM SW
MECHANISM CONTROL IC DSP RESET
INTQ SI AO STB SCK SO
INTQ SO RST AO STB SCK SI FD+ TD+ SD+ MD+
PD
LD
Z MUTE L Z MUTE R
LOUT ROUT
8EJE SW 17 A8V 9 DOUT 22 Lch 8 AGND 7 Rch 6 S7.5V 3 SGND 2 MOTOR 4 LO/EJ 5 NC 16 OPEN OPEN
X1 4.19MHz
TX
S4(8EJE SW)
LZM RZM
MUTE
FDINTDINSLIN+ SPIN-
2
CD PLAYER UNIT (X32-5490-00)
IC2
BU5V 15 DGND 14 CLK DATA MUTER MUTEL MRST MSTOP 19 18 13 12 11 10
DPU1 : OPTICAL PICKUP
SW3.3V
BU5V
3.3V AVR
CNTL
Q2 5V SW IC1
PON
Q3 APC LD PD
SW5V
S1(LOS SW)
LOS SW 20
IC3 Q4
F A B C D E
SW
F A B C E
BLOCK DIAGRAM
S3 (LOE & LIM SW)
LOE&LIM 1 SW
CD RF/SERVO/ DSP/DAC IC
DRV MUTE
PRE OUT
VREF
X2 16.934MHz
TR COIL FO COIL
LPF IC4 LPF
S7.5V
CNT LO/EJ BIAS TR+ TRFO+ FOSPD+ SPDSLD+ SLD-
4ch BTL DRIVER
DM1 SPINDLE M MOTOR DM2 LOADING M & SLED MOTOR
ELECTRIC UNIT (X34- )
FM+B Q502 A8V IC10 FM AGC OUT Q223,224
ANT
FM AGC
AM+B Q501
PRE MUTE
FM(J,K) : 1800mV FM(E) : 1372mV AM(J,K) : 600mV AM(E) : 855mV
IC4
CD : 3600mV CH : 3600mV
PRE OUT
AM AGC CD
SERVO A8V BU5V
AM AGC OUT
TUNER,MPX & E-VOL.
TUNER OUT
IC8
POWER IC
MUTE
MUTE LOGIC
Q10
SP OUT
AUDIO OUT 12EJE LO/S SCLK SDA 8EJE MUTE RST STOP LO/EJ MO LOE/LIM
1200mV
CH CD
BU DET
IC12
BACK UP
BLOCK DIAGRAM
1200mV
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
IC6
EEP-ROM
BU5V IC11
Q20
RDS DECODER
IC1
ACC DET
IC7
ACC
RESET IC
POWER SUPPLY IC
P-CON P-ANT Q51,55
CHANGER
AUDIO OUT RST REQ C CLK DATA H CH-CON REQ H DATA C MUTE BACK UP BU5V IC2 SW5V
P-CON P-ANT
MI-COM
SERVO
SERVO
VCC SW1 SW2
Q50 SW5V
SW5V
BU5V FM+B AM+B A8V BACK LIGHT
BU5V FM+B AM+B AUDIO+B ILLUMI
LCD
LCD DRIVER WITH KEY MATRIX
REMOCON
SWITCH UNIT (X16- )
KEY ILLUMI
3
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
COMPONENTS DESCRIPTION
SWITCH UNIT (X16-2462-7x/2472-7x)
Ref No. IC1 IC2 Q1 Q2 Q3 Application/Functions LCD driver Sensor Key scan detect LED SW LED SW Operation/Condition/Compatibility LCD derive & Key input interface Remote control sensor key scan start at base gose "L". When Q2 base gose "H" LED is light on RED Color When Q2 base gose "H" LED is light on GREEN Color
CD PLAYER UNIT (X32-5490-00)
Ref No. IC1 IC2 IC3 IC4 Q2 Q3 Q4 Application/Functions Mechanism control SW3.3V AVR CD DSP & servo IC BTL driver SW APC SW Operation/Condition/Compatibility When BU5V & MSTOP (12pin) goes "H" (IC1 is active) When CNTL (1pin) goes "H" (SW3.3V AVR : ON) CD RF amp, Servo, DSP & DAC Focus, tracking coil, Sled & Spindle motor driver IC SW5V SW transistor Auto Power Control EQ SW transistor
ELECTRIC UNIT (X34-3102-7x)
Ref No. IC1 IC4 IC6 IC7 IC8 IC10 IC11 IC12 Q10 Q20 Q40 Q50 Q51 Q55 Q70 Q101 Q102 Q201 Q223,224 Q251 Q252 Q253 Q501 Q502 Q503 Application/Functions System control IC Audio power IC RDS decoder Power supply IC Muting logic IC E-VOL & tuner IC Reset IC E2PROM BU detector ACC detector Muting driver foe Q223, 224 SW5V SW SERVO +B AVR Serge detector DSI illumination SW Panel 5V SW Noise buffer Preout muting SW SW Smeter RC & MPTHTC SW Smeter RC & MPTHTC SW AM RF amplifier FM RF amplifier MPX buffer Operation/Condition/Compatibility System control microprocessor Audio power amplifier RDS decoder IC Multi AVR IC (for 5V, 8V, P-CON & P-ANT) Control for MUTE, P-ANT & RESET muting E-VOL. FM/AM tuner & stereo decoder When BU5V line voltage is less than 3.5V, this IC output line is "L" Memorized tuner adjustment data (save & load) When the base goes "H" during BU applied (ON) When the base goes "H" during ACC applied (ON) When the base goes "L" (Muting : ON) When the base goes "L" (SW5V : ON) Control SW for IC7 Servo AVR (7.4V) When the base goes "H" (Serge detection) When the base goes "L" (DSI illumination : ON) When the base goes "L" (Panel 5V : ON) Tuner audio noise buffer amplifier When the base goes "H" (Preout muting : ON) When the base goes "L" (IC4 : ON) RC & TC is "LONG" when the base is "H" (base is "L" is AF search) When collector is "H", emitter is "H" When the base goes "H" (RF circuit gain is up) When the base goes "H" (RF circuit gain is up) MPX input buffer with RDS
4
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
MICROCOMPUTER'S TERMINAL DESCRIPTION
SYSTEM MICROCOMPUTER : UPD780058GC55x (X34 : IC1)
Pin No. 1 2 3 4 Name PANEL 8EJE SW NC Avss H : Panel detached, L : RESET 5 L-RST O LCD driver RESET Normal H, Power off L When 7seg model, output L H : Select (panel communication) 6 7 8 9 10 L-CE AVREF1 NC IC10-DATA IC10-CLK I/O O Not used (connected to 9pin) IC10, E2PROM data communication IC10, E2PROM clock communication Non communication : H Non communication : H Non communication : H 11 L-DATAL I Data input from the LCD driver When panel detached : L Pull down on X34 unit, Pull up on X16 unit 12 13 14 15 16 17 L-DATAS L-CLK R-DATA R-QUAL CH-DATAC CH-DATAH O O I I I O Data output to the LCD driver Clock output to the LCD driver Data input from the RDS Quality input from the RDS Data input from the changer (new 5L) Data output to the changer (new 5L) Except changer model : Output L Check the old and new 18 CH-CLK I/O Clock input/output with the Changer (new 5L) Except changer model : Output L L : Requset 19 20 21 22~24 25 26 27 28 29 30 CH-REQH NC AFS NC CH-CONT TYPE REF SD NC TYPE2 TYPE1 O O O O O O I O I I Request output to the changer (new 5L) Except changer model : Output L Not used (output L) H : Normal, L : FM/AM seek and AF search Noise detection time constant switching terminal (When tuner SRC auto zero, L) Not used (output L) H : Changer on, L : Changer off Changer control Except changer model : Output L 5V lines output for destination setting Tuner SD input Not used (output L) Destination type selection terminal 2 Destination type selection terminal 1 Refer to destination type list. Refer to destination type list. H : During destination reading H : Station detected When panel detached, output L When panel detached, output L Except RDS model : Output L Except RDS model : Output L Except changer model : Output L When non communication, last data keeping O LCD driver selection When panel attached, output L I/O I I Except 8cm CD model : Always output L O Not used (out put L) Panel detection Description Processing Operation H : Panel detached, L : Panel attached H : Eject is completed
5
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. 31 32 33 34 35 36 37 Name TYPE0 TUNER-TYPE1 Vss1 TUNER-TYPE0 MUTE M-DATA M-CLK I O I/O O Destination available/genuine model noise cancel Mute (E.Vol, Preset) control Power off after that 15 second L Data input/output with the CD mechanism Clock output to the CD mechanism Non communication : H Non communication : H When adjustment = H 38 ADJ O Tuner lines adjustment PS1-0, 1=L PS1-2, 2-0, 1=Hi-z IC10-DATA, CLK=Hi-z H : Mute off, L : Mute on 39 P-MUTE O Power IC mute control Power off after that 15 second H H : When momentary power down detected 40 41 42 43 44 SVR P-STBY SW5V B.U-DET ACC-DET O O O I I Power IC servo control L : Nomal Power IC standby control SW 5V control Power off after that 10 second H Back up detection terminal ACC detection terminal Power supply IC SW1 control 0 45 PS1-0 O Audio 8V, P-CON H : Power down, L : B.U. on H : ACC OFF, L : ACC ON BA4911 SW1 PS1-2 PS1-1 PS1-0 L Power supply IC SW1 control 1 46 PS1-1 O Audio 8V, P-CON 47 PS1-2 O Power supply IC SW1 control 2 P-ANT Power supply IC SW2 control 0 48 PS2-0 O ILLUMI, FM, AM BA4911 SW2 Power supply IC output PS2-1 PS2-0 ILLUMI L Power supply IC SW2 control 1 49 PS2-1 O ILLUMI, FM, AM 50 BEEP BEEP H : Light on, L : Light off When panel attached, output L 51 DSI O DSI control When panel detached, flashing at the panel (H/L) FIX model is output L 52 53 NC NC O O Not used (out put L) Not used (out put L) L (H) H L H (L) H ON ON FM AM L L H L L (H) H H L H (L) H H ON ON ON Power supply IC output A8V P-CON P-ANT STANDBY OFF ON ON OFF OFF ON H : Power IC ON, L : Power IC OFF H : SW5V OFF, L : SW5V ON H : Genuine model 0, L : Available model H : Mute on, L : Mute off I/O I I Description Destination type selection terminal 0 Destination available/genuine model rool off Processing Operation Refer to destination type list. H : Genuine model 1, L : Available model
STANDBY ON OFF OFF ON
6
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
MICROCOMPUTER'S TERMINAL DESCRIPTION
Pin No. 54 55 56 57 58 59 60 61 62 Name LOE/LIM SW MO SW LO/EJ M-STOP M-RST M-MUTE RESET REMO R-CLK I I I/O I O I/O O O I Description CD mechanism down&limit detection CD mechanism loading motor control output CD mechanism loading/Eject switching terminal Stop output to the CD mechanism Reset output to the CD mechanism Mute input from the CD mechanism Reset input from the System microcomputer Remote control input RDS clock input Except RDS model : Output L H : Changer detection 63 CH-REQC I Request input from the changer (new 5L) L : Request Except Changer model : Output L H : No disc 64 LOS SW I CD mechanism loading's switch detected L : Disk in (Loading Start) Key input detected 65 66 67 68 69 70 71 72 73 74 75 76 77 KEY-REQ 12EJE SW Vss0 VDD1 X2 X1 IC XT2 XT1 VDD0 AVREF0 connection to the 80pin AVCONT S-METER NOISE I I S-meter input FM noise detection input 2.5V or greater : NAVI MUTE 78 PHONE I 2 way mute 1.0V or less : TEL MUTE Except phone mute model : Output L 79 80 NC AVCONT O O Not used (out put L) H : During A/D converter active A/D converter standard voltage control output same timing with PON VDD A/D converter reference voltage control output, Connected to VDD MAIN X'tal oscillating circuit MAIN X'tal oscillating circuit TEST Not used OPEN 4.19MHz X'tal connection 4.19MHz X'tal connection I (11pin L connected to the DATA L) I 12cm disc detected L : Key input (edge key data reading start) L : 12cm disc H : Key no input Processing Operation H : Chucking detection, L : Normal H : Loading, Eject, Break, L : Play H : Eject, L : Loading H : Play, L : Stop H : Normal, L : CD mechanism reset H : Mute off, L : Mute on
7
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
MICROCOMPUTER'S TERMINAL DESCRIPTION
CD MECHANISM CONTROL IC : 789166YGB-A513 (X32 : IC1)
Pin No. 1~6 7 NC ZMUTE_L Name I/O I I NC 0 bit MUTE detect (Lch) More than 54h : ZMUTE detect Less than 54h : NORMAL, 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32,33 34 35 36 37 38 39~41 42 43 44 ZMUTE_R AVss /MUTE_L /MUTE_R /MSTOP INTQ /FOGUP PON /SCK Vdd1 SO SI /CLK DATA Vpp XT2 XT1 /MRESET X2 X1 Vss0 Vdd0 LOE&LIM_SW DRV_MUTE NC /SERCH /STB A0 Vss1 /DSP_RESET NC /PON Avdd Avref I O O I I I O O O I I/O I/O I I I I O O O O O O O O 0 bit MUTE detect (Rch) More than 54h : ZMUTE detect DGND Lch Audio mute control Rch Audio mute control Interruption for stand-by Interruption for DSP IC Interruption for focus gain up Power ON/OFF control (for DSP) serial data clock output BU5V (for DSP) serial data output (for DSP) serial data input (for system control) I2C clock (for system control) I2C data (FLASH saving terminal) NC NC Reset detect System clock System clock DGND BU5V Loading end & limit SW detect Driver muting NC Condition of serch state Data strobe signal output Command & parameter signal output DGND DSP reset control NC Power ON/OFF control BU5V BU5V L : RESET, H : NORMAL OPEN L : ON, H : OFF L : Inside detect, H : Outside L : MUTE ON, H : MUTE OFF OPEN L : Search, H : NORMAL OPEN GND L : RESET, H : NORMAL 4.19MHz 4.19MHz L : MUTE ON, H : MUTE OFF L : MUTE ON, H : MUTE OFF L : STOP, H : Release for STOP mode H : Interruption L : Fo GAIN UP, H : NORMAL H : ON, L : OFF Description GND Less than 54h : NORMAL, Processing Operation
8
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
TEST MODE
1. How to enter test mode
While holding the FM key and preset 6 key and reset the unit. All display segments light up when the test mode is entered. · Holding Preset 3 while the operating hour information is displayed clears it. · Holding Preset 5 while the ejection count information is displayed clears it.
2. How to exit from test mode
Reset the unit. Turning ACC off, power off, momentary power down or panel detaching does not terminate the test mode.
Adjustment Mode
· Adjustable items 1 : Stereo Decoder 2 : Configuration 3 : Stereo decoder Adjustment 4 : Hi-Cut 5 : Field strength control Sub address : 9 Sub address : D Sub address : E Sub address : C Sub address : B
3. Test mode specifications of CD receiver
· Pressing the Track Up key skip to tracks in the following sequence: No.9 No.15 No.10 No.11 No.12 No.13 No.14 No.9 (repeats the cycle) · Pressing the Track Down key skip to the track immediately before the track being played. · Pressing Preset 1 key skip to track No. 28. · Forced ejection is not provided.
· Default values If they are not written in the EEPROM, the default values specified are set in IC10.
Adjustment procedure
1. Enter the IC10 Adjustment mode by resetting the unit while holding preset 3 key + preset 6 key. 2. Select the TUNER source by pressing SRC. 3. When the adjustment mode is entered, the display shows 2-digit hex number. 4. When preset 1~5 is recalled, the setting values corresponding to the pressed number are displayed. (The displayed values are those in the RAM.) 5. Vary each setting value using and key. 6. Store the values in the corresponding preset number. 7. The settings can be performed individually for each item. (It is not required to store all the values together.) 8. After storing the values, reset the unit to exit from the adjustment mode. The values set in the EEPROM will be read during the resetting. 9. When the band is switched, there may be cases in which the preset number being displayed does not coincide with the stored setting value. To check this, be sure to recall the preset number after you switch the band.
4. Audio functions
· Pressing the AUDIO key or the " " key on the remote controller initiates the Audio adjustment mode. · In the Audio adjustment mode, the Seek Up/Down keys on the remote controller can only be pressed shortly. (They cannot be held depressed.) · The volume is -10dB (which is displayed as "30"). · LOUDNESS is OFF. · The Bass/Treble Up/Down and Balance/Fader Up/Down buttons function as full-boost/full-cut and full-front/full-rear respectively.
*
5. Menu mode (for 14segment model)
· Pressing the CLK or the DNPP key on the remote controller initiates the Menu mode. · In the Menu mode, the Seek Up/Down keys on the remote controller can only be pressed shortly. (They cannot be held depressed.) · With the models incorporating RDS, the first operation in the menu becomes local seek.
Notes
1. The items that are not stored will be set to the default values. 2. Once a value is stored in memory, the value will always be used later. (It is not allowed to modify the setting values by switching the destination type.)
6. Version and operating hours display
· The following table shows the key operations and resulting display information.
Key Operation Pressing Preset 1 Pressing Preset 2 Pressing Preset 3 Pressing Preset 4 Pressing Preset 5 Pressing Preset 6 Display Version (Date and time display) All display segments light up CD operating hours E2PROM (Adjustment data for IC10) CD ejection count Number of times adjustment for IC10
9
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
ADJUSTMENT
1. IC10 (TDA7513T) -The Tuner adjustment method
· When IC10 and its circumference are fixed, according to the following order, it readjusts if needed. · The adjustment item changes with parts to exchange. Please refer to "Parts vs Adjustment item table".
1-3. Adjustment of FM_ANT&RF Coil
Voltage Check Point : S-METER-Check Land (PWB Side B, around W572) Adjustment Coil : ANT Coil = L505 RF Coil = L506 Setting of Signal Generator : Refer to the following tables.
TYPE E/M K J MODE FM FM FM freq. 87.5MHz 87.9MHz 76.0MHz Mod. OFF OFF OFF ANT Input 5 or 11dBuEMF 5 or 11dBuEMF 5 or 11dBuEMF Fig (A),(C) (A),(C) (A),(C)
1-1. VCO Coil Adjustment - Adjustment of Tunning Voltage
: Vt-Check Land (PWB Side B, around D506) Adjustment Coil : L507 (VCO Coil) The adjustment method : VCO coil is turned and adjusted according to the following tables.
TYPE E/M K J Mode AM AM FM freq. 1611kHz 1700kHz 90.0MHz Voltage 5.5 ± 0.1(V) 5.8 ± 0.1(V) 5.6 ± 0.1(V) Fig (C) (C) (C)
Voltage Check Point
qThe appearance and the coil with which S-METER DC voltage serves as the maximum are turned and adjusted in the above-mentioned SG input. wBy the above-mentioned adjustment method, same adjustment is performed to both sides (ANT & RF Coil).
M : AM Adjustment For Your Information : The frequency of SET is only set up by Pre-Set-Key in case this adjustment
1-4. Adjustment of STEREO (adjustment of 456k-VCO)
Adjust in TEST MODE · How to enter the test mode While pressing on [FM] and [PRESET 6] keys, reset the unit. · Adjustment method Complete on condition that show "ALL OFF" when pressing on [PRESET 1] and [PRESET 6] keys. (Writing adjustment valve to the EEPROM.) Effect of adjustment is in cofirmation of adjustment status at [PRESET 4] key. · Display of [PRESET 4] Adjustment "OK" : 14seg model "E2P OK" 7seg model "EPO" Adjustment "NG" : 14seg model "E2P ERR" 7seg model "EPE" · Releasing the test mode Reset mode only. ACC off, Power off, Power down and Remove the panel mode is not releasing.
1-2. Adjustment of 1st & 2nd-MIX Coil
Voltage Check Point : S-METER-Check Land (PWB Side B, around W572) Adjustment Coil : 1st IFT = L508 / 2nd IFT = L509 Setting of Signal Generator : Refer to the following tables
TYPE K E,M,J MODE AM AM freq. 1000kHz 999kHz Mod. OFF OFF ANT Input 35dBuEMF 35dBuEMF Fig (B),(C) (B),(C)
q The appearance and the coil with which S-METER DC voltage serves as the maximum are turned and adjusted in the above-mentioned SG input. w By the above-mentioned adjustment method, same adjustment is performed to both sides (1st & 2nd MIX Coil).
(REAR VIEW)
(TUNER ANT)
[Fig.1]
FM-SG AM-SG
(A) (B)
L505 L506 L507
Vt Check Land IC10
(C) DC Voltmeter
L508 L509
S-METER Check Land (OVER VIEW) (UNDER VIEW)
10
[Fig.2]
[Fig.3]
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
ADJUSTMENT
2. IC10 (TDA7513T) Replacement - Parts vs Adjustment Item Table
· When the parts in the following tables are exchanged, please readjust according to a table. · When other parts are exchanged, please perform only a check of operation. There is no necessity for readjustment.
Replacement parts Parts Name Ref Number IC10 EEP-ROM IC12 ALL TYPE ALL Parts Number TDA7513T M24C01-WMN6T BR24C01AF-W S-24CS02AFJ-TB Antenna Coil L505 E,K,M RF Coil L506 E,K,M VCO Coil L507 E,K,M 1st MIX Coil 2nd MIX Coil Variable Capacitance Diodes Variable Capacitance Diodes Variable Capacitance Diodes X'tal L508 L509 D504 D505 D506 X501 ALL ALL ALL ALL ALL ALL L32-0936-05 L30-0770-05 L30-0771-05 KV1720S KV1720S KV1720S L77-2077-05 · The " K " mark shows that the adjustment is need. K K K K K K K K K K K K K K K K K J L31-0970-05 L32-0932-05 K K K K K J L31-0967-05 L31-0969-05 K J L31-0966-05 K K K K K K K VCOVt K 1st MIX K Adjustment Item 2nd MIX K ANT Coil K RF Coil K Stereo K
11
A
B
C
D
E
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
1
PC BOARD (FOIL SIDE VIEW)
ELECTRIC UNIT X34-3102-7x (J74-1465-22)
R251/W405 R254/W406 W137
J2
W81
W55 W58
W37 W44
J4
W136
W133
D264
D267
TH1
2
E
C1 C63 L1
16 15 R28
2
IC4
D268
1
D266
25 W67 W52
1
D407
D410
R404
W135
W93
W89
D51
W88
L2 W122
W175
W409/R260
R252/W407
C258 W84
R253/W408
D262
W90
D14
D265
Q55
D12
W86
D13
Q51
D11
W50
W102
C251
R406 C600
R256
C253
C254
R57
R257
D405 D408
W114
W119
1
D251
R412
D70
C51
R32
D30
R261 R263
C50
Q251
R20 R73 R31
W161 BE
W162
D409
D253
D252
W124
D10
C52
EB
R22
Q70
W80
BE W553
W158
W25
D40
R259 W70
C256
Q40
3
C58
R30 C30
R72
D403
R21 W51 W60
W115
BE
R11 C21
IC7
C54 C53
R10
EB
W554 W555
Q20
D20
W57
W48
Q10
W111
W74 W65
W45
W556
R23
W92
W108
W113
Q50
BE
R51
W68 W72 W71 W66
R12
W558 W160 W559
W557
W100
C224
W95
4
12
C57
C55
WH1
W101
W103
D50
R119
W417
W125
R67 R264 R255
14
8 W77
W73
1
W562
C223
Q53
EBE
C40
5
R50
W566
W565
W109
R68 R69
R413
C56
R122
41 40
W76 R415
R138 R137 R136 R135
IC11
2 1
CP3
D101
W78
5
L101
W59
W54
W49
W165
C105
C101 W129
W82
W578
W120
R132
D202
W53 R144
R106
R133
W130
W138
C204
W128
W127
W116
C106
22 21
2 1
D201
W98 R142
R141
D103
CN1
W519 R353
W121
R143
6
R123
W118
D109
W110 W106 R145
D106
W91 W99
D110
R169
R168
R167
W134
W117
W131
W112
C142
Q102
BE
W107
P1
D111
R176
Q101
W404
R163 R172
J3
1
BE R101
2
D102
WH2
7
12
R166
14
W94
W24
C205
W40
C104
R131
W157
80
1
R104 R103 R105 R102
W97
W105
W43
W42
W573
W47
60 61 R126 R127 R128 R414 R129 C102 R130 X1 3 4
W79
W75
IC1
21 20
W85
R114 R111 R112 R140 R139
C103 R125
R113
R174
CP2
R118
C565 W532
W563
CP1
R108 R117 R115
W104
W96
R258
R201
W174
1
7
W564
W63 W61 C404
L516
IC8
R116
W87
R110
W531 W
R121 R107
W64
W62
C593 W580
C560 C562
D402
EBE
R71
C257
W410
D411
C255
C252
R405
D1
D263
B
R25
D261
W156
24
2
F
G
H
I
J
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
1
J4
X34-3102-7x
J5
C227
J1
IC 1 4
W411
Q
Address 5C 2D 7G 3B 4D 5G 5B 6F
2
1
5
7
6 10 9
C226
2 3 4 8 12 11 13
R231
R227
R410
W516 R232
R411
R409
R401
R404
R406
R405
R407
R408
R403
R402
R228
6 7 8 10
R223
D404
D401
BE
BE
D411
C402
405 408
Q223
W413
Q224
R224
W412
C521
11 12 10 20 40
D3
L4
C526
C525
W500 C530 C529
W419
C528 /W401 C522
D402
D403
D504
C401
D503
W414 L505
4C 4C 3E 4D 3A 2A 3C 7A 6C 6G 3G 3G 3D 6G 6G 4G 3G 6G
C591
C524
3
W553
C403
C531 R523
R522
G G S D
R524 W521 C523 R521 C516
W400/C594 L501
Q502
50 51
R529/W524 W523
R525
D40
L502
C502 R501
C534
L506
D501
L512 L513
C533
W554 W555
W533
55
C503 R502 C505
W601
C537 C538 R527 R526 C535
W556
C536
W415 C504
70 101 102 201
R544 C542 R543 D506 C543 R528 C544 D505 R547
Q501
C507
W504
C600
G C
L507
C541
C593 W580
C555
S B W505 R506
C506 W506
L503
W507
C548
L514 R546 R545 C549
C545 C547 C550
R505
W550 W551 W552
C508 C509
223 224 251 252 253 501 502 503
4
L504
L516
W418 C554
C553
C556
W501
C562
C561
W508
41
80 C581 R581
C511
IC10
L508
40
1
C512
L517 C552 C551
R503
21
20
C515
C560
X501
W534
C514 C513 C510
C546
R507
R561
C568 W577
5
CF51
C564
C563
W573
R563 R565 R564 8
60 61 R567
C580 C582 R585
R566
C584
C586
C592
W576
R352
W575
W24
IC12
1 4
C583 R582
W574
D103
W519 R353
W517
W567
C585
R180
W568
Q252
BEB
L509
W510
W403
R134
CF54
R167
W572
R175
C354
R171
W515
C351 8 1
14 15
W520
W402 9 16
C558 W530
C557
X2
IC6
C356 C355
D108
C352/R173 R542 1 2
D107
R168
R166
R165
R164
R170
C353
EB
CN3
2
W569 Q253 BEB R58
R205 Q201
Q503
R351
R204 R541
3
1
B E
CF53
CF52
5
W509
C587 C588 C589 W511 W512 C590
L510
6
Refer to the schematic diagram for the values of resistors and capacitors.
7
13
K
L
M
N
O
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
1
PC BOARD (COMPONENT SIDE VIEW)
SWITCH UNIT X16-2462-7x (J74-1561-02)
FM CLK
(FOIL SIDE VIEW)
SWITCH UNIT X16-2462-7x (J74-1561-02)
KI2
D19 D29
Q3
EB
W2
KI3
D17 D27
KI2 KS2
D18
D28
R13 R12 R33
2
KI4
AM
KI3
6
EB
KS3 KI5
Q2
KI1 KI5
KI4
KS4
5 56
KS4
KS2
D16 D26
KS3
KS5
3
4
40 41
25 24
D15 D25
3
IC1
4
ED1
2
64 65 C1 R1 R4 80
1
Q1
EB C3 C4 C2 W1 R3
R32
D14 D24
1
1 2
PAN 5V
R2
RST
RST
5
SRC
L-RES L-DATAL L-CE L-CLK L-DATAS
R8 R9 REMO
R5 R6 R7
D31 D32 D33 D34 D35
D-GND
14
15
R11
J1
1
SW5V
X16-2462-7x IC 2 Address 7L
D4 D6
X16-2462-7x IC 1 Q Address 4O 1 4N 2N 2N
ESD-GND
D36
ILL-GND
VOL UP
D1
VOL DWN
6
2 3
AUD
C11 C13
ILL+B
R22 R21 R23
D9 D3 D2
KS5
D13 D23
D10 D8
D7
R29/C12 R24 R25 R27 R28
R42 R41
R31
R10
D12 D22
KI1
TI
C5
1
3
PANEL SW
D11
D21
IC2
2 4
ATT
7
Refer to the schematic diagram for the values of resistors and capacitors.
14
P
Q
R
S
T
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
PC BOARD (COMPONENT SIDE VIEW)
SWITCH UNIT X16-2472-7x (J74-1563-902)
FM CLK
(FOIL SIDE VIEW)
SWITCH UNIT X16-2472-7x (J74-1563-902)
1
KI5
KI3
Q1
EB
KI4
KI4
KI5
D18
KI2
D17
KI3
R33
KS4
D19
KS3
2
KS2
KS2
KI1
6
KI2
AM
KS3
KS4
5
KS5
39
D16
R2
3
4
C2 C3 C4 C1 R1 R3
64 49 48 1
3
IC1
D15
16 17 32
33
4
R32
2
D-GND
D14
1
PAN 5V
1
ILL-GND LED +B RST L-DATAL R6 R7
2
ED1
RST
SRC
L-CE
5
D32 D33 D34 D35
REMO R11 SW5V
14
J1
D4 D6
R8 R9 L-CLK L-DATAS
15
1
X16-2472-7x IC 1 Q Address 4S 1 2S
PANEL-5V
R21
R22
VOL UP
D1
VOL DWN
R26
6
AUD
D8
C11 R23
D5 D3
D7
R10
C12
R28
R25
D2
KI1 KS5
D13
AME
C5
R31
C13 R24 R27
ESD-GND
1
D11
3
ATT D12
IC2
Refer to the schematic diagram for the values of resistors and capacitors.
2
4
7
15
U
V
W
X
Y
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
1
PC BOARD (COMPONENT SIDE VIEW)
CD PLAYER UNIT X32-5490-00 (J74-1551-02)
2
R31
R30
C28
C3
C7
S3
X1
BE
3
R9
C6
C4
4
C21 C19
C25
5
C29
X2
CP1
R46 R47 R7
Q1
BE
R13
R12
R14
CP4
Q2
C34
C40
CP8
6
X32-5490-00 Q 2 Address 3X
Refer to the schematic diagram for the values of resistors and capacitors.
7
16
S2
S1
S4
Z
AA
AB
AC
AD
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
PC BOARD (FOIL SIDE VIEW)
CD PLAYER UNIT X32-5490-00 (J74-1551-02)
1
FCS R39 FD R41 MD SPDL
R38 C35 R37 R35 C36
TRK R34 TD R36 SD
/DSPRST
R40 C37
1
30
2
/STB
Vref
R42 C38
DGND
/PON
IC4
SLED
A0
/SERCH
BU5V
DRVMUTE 15 R32 R3 LOE&LIM LOE/LIM 16
44 1
34 33
IC1
11 23
/MRESET
MOTOR
C8
FOGUP
12 R6 /MSTOP /MUTER /MUTEL
22
S.GND
3
Vpp
R8
SPDL+
PON SO
1
S.7.5V A.GND /MSTOP /MUTEL A.+8V SPDLRch /CLK DATA 8EJE BU5V LOS Lch D.OUT R11 R10 5 C9 LO/EJ /MRST /MUTER SLED OUT /LOAD SLED IN /EJECT D.GND
/CLK
INTQ
/SCK
SI
SW5V
ZMUTEL
ZMUTER
CP5
C1
22
R1
CN2
CP3
DATA
12EJE 1
4
R15 R19
R2
C10
C2
IC2
3 4 C11
C20
R18
R17
R16 C18
L1
DAVDD
C15
C12
C17 25 26 TZD LOCK MIRR
C16
RFOK
C13 R22
R23
C14 C24 C23 R24 R26 C31
ADCIN
Q4
EB R20
FZD
100
CP6
Q3
R25
C26
R29 FLAG Vref
C27
HOLD
IC3
C22
F
FE
LD
D2
T
1
EB
D3.3V FCS UP FCS DOWN TRK OUT TRK IN 16
R27 R28
1 PD C+D Vcc
5
CN1
ATEST
50 51 75
76
B A
C46 C43 C45 C44
R44 C42 R43
C33 R33 C32
C30
CP7
IOP+
R45
C41
C39
TE
E
F
VR
GND
ARF
IOP-
Vref
RF
6
X32-5490-00 IC 1 2 3 4 3 4 Q Address 3AA 4AC 5AA 2AB 5AB 5AB
Refer to the schematic diagram for the values of resistors and capacitors.
7
17
A
B
C
D
E
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
1
PRE OUT FRONT
DAUGHTER UNIT (X89-2590-10)
R229 100
D
3
PRE OUT
REAR
1 R225 30K
2
CN90
100
J5
ELECTRIC UNIT (X34-31xx-xx)
CHANGER CONNECTOR J4
D GND 1 2 3 4 5 6 7 8 9 10 13 BU 11 12 Q221,222
R226 30K
R230
C227
680P
C226
680P
C221 R221 10u16 270 +
4.7K
4.7K
AUDIO MUTE SW AUDIO MUTE DRIVER Q225
REQ C CLK
Q221
Q222
R231 100
R232
W160
W101
R222
270
R227 30K
R228 30K
Q223
C222 10u16 + W102
4.7K
Q224
4.7K
REQ H
CH CON
R407 4.7K RST 8 R409 4.7K DATA C 16 C401 Lch 1u50 R401 10 + R410 100 DATA H 17
MUTE
A GND
22K
22K
C223 R223 10u16 270 +
1
2 3
4
5
R405 4.7K
R406 4.7K
R408 4.7K
R404 100
R411 100
R403 4.7
R402 10
1 C403 100u10 + C402 1u50 +
5
25
19
18
63
D404
4 3 2 1
D402
D405
D410
D407
D403
D408
D401
D409
Q40
22K 22K
45
46
44
MUTE DRIVER
ANT. J1
C
L501 R501 6.8K L502 33uH
D411
W156
WH1
W161 C504 0.01 L504 3
C252 0.22u50 C253 0.22u50
W407 R252
4.7K
3
D3
L4
6.8uH
Q501 AM RF AMPLIFIRE
C509
R502 2.2K R503 2.2K
100uH
W408 R253
4.7K
C502
C516 10P
C505 4.7u16 +
R506
C508 22u10 +
C503
0.1
1M
C525 C524
R507 1K
C510 100P
68P
R521
100K
W521
C506 0.1
GND
7 6
CF51 10.700MHz
C594
R505 1K
L503 1mH
RR RL
FR FL
12
D501
48P
C534
R581
1K
D503
0.01
33P
4.7uH C511 0.01 8
CF52 10.700MHz
L505
L511 4.7uH
C522
2P
C591 33u10 +
L512
4
C536
R523 100K
C521
4.0V
70 FMAMP2OUT 71 FMIFAMP2IN
73 C582
8.0V
8.0V 8.0V
3.5V
4P
80
79
78
77
76
75
74
FMNAGCIN
FMIFAMP1IN
C523
R522
100K
C531 1
27P
13
W533 C533 0.01
R524
W401
C528
100K
330
W500
D505
W415 W504 R527 100K
R528 100K
AM FM
15 C512 4.7u16 + 3 C513 0.01 C514 0.01 C515 1
4P C544 C543 68P 15P
W505
5.0V 0V
1 2 3 4 5
FM AM
VREF5V TUNGND AMMIX1IN+ AMMIX1INANAGC1TC ANAGC1OUT ANAGC1VOUT FMMIX1IN1
3.3V 2.0V 0V 4.2V 3.3V 0V 2.4V 0V
FMIFAMP1OUT
6P
FMIFAMPREF
11
14
FM AM FM 3.2V 2.0V 0V
R525
C541
W507
AM AM PW-ON AM
17
5
D506
L507
6800P C545
R543 5.6K
C542 22P R544 2.2K
18
6 7
60mV
6 7
4.1V 3.2V 0V 3.4V 0V
20
8
C537
0V
8 9
MPX BUFFER
NOISE BUFFER
R541 1K R542 4.7K
E
R204 1K W512
10 11 12 13 14
C538
CN3
2
Q503
Q201
20
C352
R173
330P
R205 4.7K
15
W402
51 77
W403
61
17 18
1
C600 100u10 +
C555 1000P
PLLGND
PLLVCC
5.0V 0V
15 14 R351 2.2K 1
IC6
QUAL RDDA
LFREF
2.5V 22
R546 33K 2.5V 23
8.0V 25
5.0V 0V
C351 10u6.3 +
RDCL T57 OSCOUT
15 14
2.2K C356 10P C355
0V 24
26
X50
16
2.5V 21
R352 2.2K 2
5.0V 0V
R353
LFOUT
C547 10u10 + C548 0.022
L514
C551
C353 10u6.3 +
VCC 6 7 EXTRES GND TM FSEL
11 0V 10 0V 9 C550 0.033
0V
C557
7
C558
0.01
0.01
ARI RDS 8 FILOUT DECODER W530
0V
18
X34-3102-7x (1/4)
2200P
C354 0.01
C549
12 5.0V
0.01
VREF 2.4V 4 MPX 5.0V 5 OSEL
2.4V 3
4.7uH
X2
OSCIN
13
10.250
4.332MHz 10P
R545 4.3K
XTALG
LFHC
LFIN
C546 0.01
W534
62
6
RFGND FM FMMIX1IN2 0V 11 FMAGC1OUT 0.7V 12 FMAGCIN 8.0V 13 FMAGCVOUT AM W523 PW-ON 14 FMANTADJ 15 FMRFADJ 0V 16 OSCGND R547 22 3.2V 17 VCOE 3.8V 18 VCOB L517 8.0V 19 OSCVCC 20 4.7uH 10
2.0V 0V
4.2V 2.8V 0V
1K
W531
57
3.4V 0V 2.4V 0.8V
AMMIX2IN1
MIX1OUT1
MIX1OUT2
IF1GND
TUNVCC
W524 R529
IFVCC
12
72
69
D504
C535 2P
R526 5.6K
0V
10
8.0V
0.1
4.2V
C526
C530
L510 4.7uH
C581
FM RF AMPLIFIRE
L506
L508 W508
C580 0.01
Q502
CF53 10.700MHz
W509
C529
C507 33u10 +
L513 W601 4.7uH
C585 0.01
PGND2
Q221,222 : DTC143TUA : DTA124EUA Q225
MUTE
2
CN91
IC4
0V
2
C224 10u16 R224 + 270
Rch
W516
100
F
G
H
I
J
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
41
40
50
39
35
E2P-ROM
C254 0.22u50 W162
R263
C257 1u50 +
R257
6.2K
Q251
47K
W409 R261
C255 1u50 +
IC12
W158 1 2 3 WP 7
R20 3.3K
R10 30K
D10
C251 0.22u50
750
+
D253
D251
10K
A0 A1 A2 GND
W406 R254
W405 R251
R256
4.7K
4.7K
1K
C258 16 7.3V 1u50 + 18 0V
D252 R258
SCL
6
5V 0V 5V 0V
ADA
ACL SCL
D20 33K
C256
R260
R21
TH1 470
VCC
8
5.0V 0V
1/2W
SURGE DETECTOR Q70 D70
R72 36K R68 10K 15 15 R-QUAL PS1-1 46
R22
R73 100K
R71 82K
0V
4
Q20
SDA
10K
10K C21 0.01
R11 50
3.4V or 22 4.1V
14.4V 0V
20 14.4V
12 7.2V
14 7.2V
10 7.2V
0V 4.9V
SDA
24 0V
5
VCC1
PGND1
PGND2
OUT4+ PGND3
MUTE
VCC2
SVR
IN2
ACGND
PGND4
STBY
IN4
IC4
W156
2
4
6
8
R564 10K
R563
A. C. C DETECTOR
5.0V
0V
0V
R201 47K
Q10
0V
10
OUT2+
OUT1+
OUT3+
OUT2-
OUT1-
OUT3-
OUT4-
SGND
HSD
TAB
5.0V
14
IN1
IN3
13
12
11
D40
11
21
1
VCC
IC8
MUTE LOGIC
13
15
19
23
17
25
3
5
7
9
9
8
B. U. DETECTOR
C40 0.01
7.3V
7.3V
7.2V 7.2V 0V 7.2V 7.3V
7.4V
7.3V
7.4V
7.4V
0V
R23 100K
R12 100K
D268
D264
D265
D262
D266
D263
D261
RR+
D267
F
FR+
RL+
RR-
FL+
FR-
1
2
3
5
6
RL-
FL-
C404
C252 22u50 C253 22u50
W407 R252
4.7K
0V
0.01
R415
W408 R253
4.7K
12
1
8
100K
5.0V 0V
0V
4
0V
7
POWER AMPLIFIRE
GND
L101
C586 0.1
C587
C588
C585
W509
0.47
GND
OUT
W510
C589
CF52 10.700MHz
C583 0.1
W511
D101
59
58
56
57
55
CF53 10.700MHz
0.1 Q252,253
R123 1K
R126 100K
54
C590
1
2
3
Q252
5.0V
VDD
IN
0.1
C102 0.01
0.01
0.01
C101 100u6.3 + C103 0.1
CF54 450kHz
C592
4.7uH
R122 100
R125 1K
SMETERRC & MPTHTC SW
C584 4.7u16 +
Q253
4.4V
VSS VOUT
IC11
4.0V
4.2V 4.2V
60
59
58
50
49
48
57
56
55
54
53
52
NC
51
LO/EJ
PS2-1
DSI
M-MUTE
CD-SW3
RESET
M-RST
AMMIX2IN1
AMIF2AMPIN
AMMIX2IN2
SMETERC
FMDEM AMIF2AMP REF
DEMGND
FMAMP2OUT
AMMIX2OUT
FMIFAMP2IN
FMDEMREF
AMAGC2TC
8.0V
0V
R128 2.2M
5.0V 0V
R127 2.2K 61 62
TUNER CHANGE FM AM FM
5V 0V 4.2V 2.4V 0V
MPTHTC RDSMUTE
60 59 58 W519 W517 R567 1K R566 1K 55 64 SCL 66 59 57 63 61 61 62
M-STOP
MOSW
PS2-0
REMO R-CLK CH-REQC
FM 3.2V 2.0V 0V
2.0V 0V
AM FM AM
1.4V 1.2V 0V 3.7V 0V FM FM
5.0V 0V 2.6V 0V
AUDIOMUTE 57 QUALITY 56 4.0V SMETER 55 0V SD 5V 0V 54 5V SCL 0V 53 SDA
5.0V 0V 5.0V 0V 5.0V 0V 5.0V 0V
5.0V 0V 5.0V 0V
5.0V 0V 5.0V 0V or 0V
R414 100K
R129 2.2K
63
5.0V 0V
64 65
CD-SW1 KEY-REQ
5.0V 0V
R130 2.2K
SDA R565 100K C563 0.47u50 3.9V + C564 0.47
R561 2.7K
AM PW-ON
IC10
TUNER & E-VOL.
3.0V 1.9V 52 0V FMMUTETC 51 TUNEROUT
50 49
C104 15P 51 C105 15P
3.0V TUNERIN
IN1L
C568
3.0V
D202 D201
C205 2.2u50 49 + R132 2.2K C204 2.2u50 47 + R133 12K
3.0V
IN1COM
C565 48 47u10 + 47 46 45 44 43 42 41
CD-SW2 0V 67 Vss0 5.0V 68 VDD1 R131 69 X2 6.8K X1 4.194MHz 70 X1 0V 71 IC 72 XT2 73 5.0V XT1 74 VDD0 75 AVREF0 76 S-METER 0-4.0V
66
IC1
SYSTEM CONTROL u-COM
5.0V 0V 5.0V 0V 5.0V 0V 5.0V 0V 5.0V 0V
L-DATAL AVREF1 L-DATAS L-CE R-DATA 14 L-CLK
IN1R
3.0V 3.0V 3.0V 3.0V 3.0V 3.0V 3.0V
3.4V 0V 2.4V 0.8V
27 XTALD 0V 28 DIGGND PLLVCC XTALG
4.8V 3.4V
8.0V 29 DIGVCC 30 TUNQUALITY 31 ISSTC C554 0.1 3.2V 32 DEVTC C561 1u50 3.0V 33 VREF3V + 0V 34 APGND
IN2R IN2COM IN2L
OUTRR APVCC OUTFR OUTRL OUTFL
46 45 44 77
C106 R134
2.2K
2.2-4.5V 0.6-4.1V 5.0V 0V
77 78 79 80
W578
NOISE PHONE
PANEL
5.0V 0V 5.0V 0V
8EJE SW
ACLOUT
ACRIN
N.C AVCONT
ACLIN ACROUT
L-RST
AVSS
ADA
8.0V 25
26
35
36
38
39
R121 2.2K 12
R107 2.2K 13
10
R106 100K
4.7uH
R103 1K
R104 1K
RR
FR
RL
SDA
C551
SCL
11
12
L516 4.7uH
0.01
L515 4.7uH
C560 100P
X34-3102-7x (2/4)
19
13
1
2
5
6
C593 1
FL
10.250MHz
C562 10u10 +
R413 100K
L514
C553
C552 0.01
R105 470
X501
R102
1K
5.0V
C556 1000P
3.9V 3.9V 3.9V 3.9V
3.0V
0V
14
W501
11
1
2
3
5
6
8
4
7
9
8.0V
37
40
ACL
N.C
N.C
PS1-2
BEEP
N.C
60
3
4
N.C
71
69
68
70
67
66
65
64
63
62
61
47
L509
POWER ON RESET
0V
R67 10K
0V or 5.0
R69 10K
0V
1
CP3 1Kx2
CP2 2.2Kx2
CP1 10Kx2
2
10K
K
L
M
N
O
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
DC CONNECTOR
(F1 10A)
J2 2
1
4 3
6 5
8 7
10 9
12 11
14 13
16 15
FUSE
L1 140uH
4.7K
D10
RR+ FR+ RL+ RRFL+ FRRLFL-
0V
1
GND
D14
VIOL/BLK
P-CON
VIOL/BLK 6 11
GRN/BLK
GRN/BLK
E CTOR D70
R72 36K
R71 82K
GND
D13
C51
C50 10u25 +
R28
14.0V
2
VIOL
REAR R
REAR L
IC7
TEL MUTE
POWER SUPPLY (MULTI AVR)
IC1 IC4 IC6 IC7 IC8 IC10 IC11 IC12
: : : : : : : :
P-CON
REAR Lch+
REAR Lch-
REAR Rch-
PHONE
REAR Rch+
P-ANT
FRONT Lch-
FRONT Lch+
FRONT Rch-
FRONT Rch+
GND
ACC
B.U.
TDA7479AD BA4911-V4 HD74HC27FP TDA7513T PST3435UL BR24C01AF-W or M24C01-WMN6T or S-24CS02AFJ-TB
GRN
BU
SIGNAL LINE GND LINE B LINE
W410
BRN
R25
D12
6 11
5 12
7 10
7 10
5 12 GRY
4 13
2 15
1 16
8 9
4
BLU
BLU/WHT
WHT
RED
WHT/BLK
WHT
BLK
WHT/BLK
GRY/BLK
C30 0.01
7.9V
5
Q51
ANT. CONT
8.1V
6
FRONT R
FRONT L
R32
22K
TOR
1.5K
R57
R31
47K
SERVO AVR Q55
C63 22u16 +
C54 10u16 +
L2
14.3V
C58 100u16 +
7
D1
+
D51
C1 3300u16
27uH
VCC
5.0V
C55 10u25 +
C57 220u16 +
8
BU5V
W532
R51
47K
Q50
R50
5.6K
SW 5V
D50
C56 10u50 +
VBU 7 5 3 1 10 SW1 VDD 4 3 11 1 SW2 10.3V 12 ILLUM
5.0V
9
VDD
: 1N5393G-M6 D1 : IMSA-6801 D3 D10,20,70,201,202,401, : MA4068(N)-M 402 : D1F60 D11,13 : AM01ZNF D12,14 D40,101,251-253 : 1SS133 : DAN202U D50 : MA4082(N)-L D51 : DA204U D103 D106,108,109,403-405, 407-410 : MA4062-L : UDZS12B D110 : MA3062WA D411 D501,503 : RN739F D504-506 : KV1720S
P. CONT OUT
AUDIO+B
DC CORD (E30-6322-05) KDC-205/CR KDC-105/126/126S KDC-2026/3026/226
GND
ACC
DC CO (E30-60 RX-292
Q53
R145 54 2.2K
CN1
22 SW3 21 SERBOGND 20 SERBO+B
41
D102
R255 33K R264 47K R68 10K R69 10K
R101 240
R67 10K
B
5.0V 0V
40
Q101 DSI DRIVER
5.0V 0V
55 56 47 49 57 58 R144 100K 59
19 MO SW 18 LO/EJ 17 Rch 16 GND 15 Lch 14 AUDIO+B 13 M STOP 12 M RST 11 N.C 10 M MUTE 9 8 D GND BU 5V N.C MECHDET
47
46
45
44
43
42
PS1-2
PS1-1
PS2-0
PS1-0
SW5V
ACC-DET
B.U-DET
P-STBY
41
0V or 5.0V 5.0V 0V
R142
5.0V 0V
DATA
36 R115 1K
4.7K
or 0V
SVR 40 39 R259 22K 39 P-MUTE 5.0V ADJ R174 R108 0V 47K 38 2.2K N.C 37 R117 37 CLK 1K R118 10K 36 R116 10K 2
to MECHA (X32- : CN2)
7 6
35 35 MUTE R119 47K 5.0V 0V 34 0V or 5.0V R114 47K TUNER-TYPE0 33 0V Vss1 R113 47K 32 TUNER-TYPE1 R139 47K 31 TYPE0 R140 47K 0V or 5.0V R137 47K 30 TYPE1 R138 47K TYPE2 N.C 29 28 27 R110 4.7K 26 25 24 23 22 21 R58 470
36 37 64 66
W165
5 MSDA 4 MSCLK 3 SW1 2 SW2 1 D OUT
R141 4.7K R143 4.7K
C142
0.1
D103
R135 47K R136 47K
55
D110
W404
R163 10
J3
1 D-GND 2 PAN5V 3 ILL-GND 4 LAMP+B 5 LED+B R169 1K
Q102
47K
TYPE REF
5.0V
5.0V 0V V
10K
5.0V 0V
SD CH-CON N.C N.C N.C AFS
PANEL5V SW
60 5 11
D109
59
CH-DATAH
CH-DATAC
CH-REQH
5.0V 0V
6
D106
5.0V 0V 5.0V 0V 5.0V 0V
R-QUAL CH-CLK
R168 1K
R167 100
6 7 8
RST L-RES L-DATAL
X16J1 2/2
R-DATA
R166 1K R165 470 R164 470
L-CLK
9
L-CE
N.C
A
13 12
10 L-CLK 11 L-DATAS 12 REMO 13 SW5V 14 PANEL 15 ESD-G
R107 2.2K 13
15
16
18
19
14
17
20
R170
1K
R413 100K
R412 100K
61
R171
47 R172
13
14
15
16
17
18
19
D108
25
1
1K
P1
D111
R175
R176
1K
WH2
WIRED REM.
20
X34-3102-7x (3/4)
10K
ANT CONT
D30
A
SERVO AVR CONTROL
C53 10u16 +
AM+B
GRY/BLK
GRY
R30
10K
BLU
TEL MUTE
C52 10u16 +
FM+B
Q40 Q50 Q51,53 Q55 Q102 Q223,224 Q251 Q252 Q253 Q501 Q502
8 9
P-ANT
4 13
3 14
D11
10u25 +
4.7K
14.0V 8.1V
3
Q10,20,70,101,201,503 : 2SC4081 : DTA124EUA : 2SA1036K : UMC2N : 2SD2375 : DTA114YUA : DTC143TUA : DTC114YUA : UMG4N : UMA1N : CPH5905 : 3SK126
VIOL
GRN
YEL
P
Q
R
S
T
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
1
WHT WHT/BLK GRY/BLK GRY BLU GRN GRN/BLK VIOL/BLK VIOL
FL+ FLFRTEL MUTE
8 9 7 10 6 11 5 12 4 13
RL+ RLRRRR+
FR+
BATT
ANT. CON P. CON
BLU/WHT
VIOL/BLK
RED
VIOL BRN YEL
3 14 2 15 1 16
BRN YEL
TEL MUTE
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer. · DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units.
BLK
6 11
5 12
4 13
7 10
3 14
2 15
1 16
BLU
BLU/WHT
RED
GRY/BLK
GRY
ANT. CONT
P. CONT
ACC
BLK
2
GND
BU
A P-CON
2 1
4 3
6 5
8 7
ACC
DC CORD (E30-6027-05) RX-292CD
B
2 1
4 3
6 5
8 7
DC CORD (E30-6286-05) KDC-3026R KDC-4027/V/Y/YV KDC-308A/AY/G/GY KDC-3027A/AY/G/GY KDC-2027SA/SAY/SG/SGY KDC-F327A/G
RR+ RRFR+ FRFL+ FLRL+
RL-
3
KDC-4027 (1/2)
(X34-31xx-xx)
MODEL NAME KDC-4027/Y KDC-4027V/VY KDC-3027A/AY KDC-308A/AY KDC-F327A KDC-3027G/GY KDC-308G/GY KDC-F327G KDC-2027SA/SAY KDC-2027SG/SGY KDC-3026R KDC-205 KDC-105 KDC-205CR KDC-3026 KDC-2026 KDC-226 KDC-126/S RX-292CD UNIT A E No. 02-70 YES 02-71 YES 02-72 YES
B
C
D
F
C51 C106 C404 NO 1000P YES NO 1000P YES NO 1000P NO
YES YES YES YES YES YES YES YES YES NO YES NO
CF52, C537, C590, C529,557, C522,523, C226, CN3 C553 C568 C581 C587 C589 C256 C502 C521 528,530 C524 C525 C526 558,594 C536 53 538 592 227 4P 8P 0.047 220P 2P 820P NO YES L72-0716-05 NO NO YES 100P 0.01 5P YES 33u50 1500P 0.1 4P 8P 0.047 220P 2P 820P NO YES L72-0716-05 NO NO YES 100P 0.01 5P YES 33u50 1500P 0.1 YES 100u50 1500P 0.1 YES 100P 0.01 5P NO 4P 8P 0.047 220P 2P 820P NO YES L72-0716-05 NO
02-73 02-74 00-21 10-12 10-13 10-14 10-21 10-22 10-23 10-24 10-01
YES NO YES NO NO NO NO NO NO NO NO
YES YES
NO NO
YES YES
NO NO
NO 1000P NO 1000P
NO NO
YES 100u50 1500P YES 100u50 1500P YES NO NO NO NO NO NO NO NO 33u50 33u50 100u50 100u50 33u50 33u50 100u50 100u50 33u50
0.1 0.1
YES YES YES YES YES YES YES YES YES YES NO
100P 100P
0.01 0.01
5P 5P
NO NO NO NO NO NO NO NO NO NO YES
4P 4P 4P 4P 4P 4P 4P 4P 4P 4P 15P
8P 8P 8P 8P 8P 8P 8P 8P 8P 8P 4P
0.047 220P 0.047 820P 0.047 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 220P 820P 820P 820P 820P 820P 820P 820P 820P
2P 2P 2P 2P 2P 2P 2P 2P 2P 2P 3P
820P 0.01 820P 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01
NO YES NO YES YES YES YES YES YES YES YES
YES L72-0716-05 NO NO YES NO NO NO NO NO NO NO NO L72-0716-05 NO L72-0716-05 L72-0781-05 L72-0781-05 L72-0781-05 L72-0781-05 L72-0781-05 L72-0781-05 L72-0781-05 L72-0781-05 NO NO NO NO NO NO NO NO NO
4
YES YES YES YES NO 1000P YES YES NO YES YES NO 1500P NO NO NO YES NO NO 1500P NO YES NO YES NO NO 1500P NO YES YES YES YES YES 1500P YES YES YES YES YES YES 1500P YES YES NO YES NO YES 1500P NO NO NO YES NO YES 1500P NO NO NO NO YES YES 1500P NO
1500P 0.1 1500P 0.1 1500P 0.1 1500P 0.1 1500P 0.1 1500P 0.1 1500P 0.1 1500P 0.1 0.01 0.47
5P 100P 0.01 100P 0.01 5P 100P 0.01 5P 100P 0.01 5P 100P 0.01 5P 100P 0.01 5P 100P 0.01 5P 100P 0.01 5P 22P 1000P 10P
UNIT D11, D13, D106, R28, R31, R102, Q252, Q40 Q53 Q102 Q251 R67 134,168 R135 R136 R137 R138 R139 R25 D109 D111 IC1 IC4 J3 L505 L506 L507 521 32 12 14 108,110 253 No. YES NO NO YES YES YES YES YES YES UPD780058GC554 TDA7560 E58-0879-05 L31-0967-05 L31-0970-05 L32-0936-05 YES NO YES NO YES YES YES YES NO 02-70 YES YES YES NO NO YES YES YES YES YES YES UPD780058GC554 TDA7560 E58-0879-05 L31-0967-05 L31-0970-05 L32-0936-05 YES NO YES NO YES YES YES YES NO 02-71 YES YES 02-72 YES YES YES YES YES UPD780058GC554 TDA7386 E58-0879-05 L31-0967-05 L31-0970-05 L32-0936-05 YES NO YES YES YES YES YES YES NO YES YES NO NO YES NO
5
02-73 YES YES 02-74 YES YES 00-21 10-12 10-13 10-14 10-21 10-22 10-23 10-24 10-01 YES NO NO NO YES YES YES YES YES YES YES YES YES YES YES YES YES NO
YES YES YES YES NO YES YES YES YES NO NO
YES NO YES NO NO NO NO NO NO NO NO
YES UPD780058GC554 TDA7386 E58-0879-05 L31-0967-05 L31-0970-05 L32-0936-05 YES NO NO NO NO NO NO NO NO NO NO UPD780058GC555 TDA7386 E58-0879-05 L31-0967-05 L31-0970-05 L32-0936-05 YES UPD780058GC554 UPD780058GC555 UPD780058GC556 UPD780058GC555 UPD780058GC555 UPD780058GC555 UPD780058GC555 UPD780058GC556 UPD780058GC556 TDA7560 TDA7560 TDA7386 TDA7386 TDA7560 TDA7560 TDA7386 TDA7386 TDA7560 E58-0879-05 E58-0879-05 E58-0880-05 E58-0879-05 E58-0879-05 E58-0879-05 E58-0879-05 E58-0880-05 E58-0880-05 L31-0967-05 L31-0967-05 L31-0967-05 L31-0967-05 L31-0967-05 L31-0967-05 L31-0967-05 L31-0967-05 L31-0966-05 L31-0970-05 L31-0970-05 L31-0970-05 L31-0970-05 L31-0970-05 L31-0970-05 L31-0970-05 L31-0970-05 L31-0969-05 L32-0936-05 L32-0936-05 L32-0936-05 L32-0936-05 L32-0936-05 L32-0936-05 L32-0936-05 L32-0936-05 L32-0932-05 YES YES YES YES YES YES YES YES NO
NO NO NO NO NO NO YES YES YES YES YES
YES YES YES YES NO YES YES YES YES NO NO
YES YES NO NO YES YES NO NO YES YES NO
YES NO YES NO NO NO NO NO NO NO NO
YES YES YES YES YES YES YES NO NO NO YES YES YES YES YES
NO NO
YES NO YES NO NO NO NO NO NO NO NO
NO YES NO YES YES YES NO NO YES YES YES
YES NO YES NO NO NO YES YES NO NO NO
NO NO YES NO NO NO YES YES YES YES YES
YES YES NO YES YES YES NO NO NO NO NO
NO NO YES YES YES YES YES YES YES YES NO
YES YES NO YES NO NO YES NO NO YES NO YES YES NO YES YES NO YES YES NO YES YES NO YES NO NO YES
6
UNIT R170, R251-254, W402, R412W405- W410, R525 R529 W160 W401 R140 R142 R173 R175 R176 256,260 R258 R261 R263 WH2 403 W404 409 414 171 578 W524 WH1 No. YES YES NO YES NO NO NO NO YES YES NO YES NO NO 220 10 4.3K YES 330 NO NO 02-70 NO 4.3K YES 330 NO YES YES NO YES 10 NO 220 NO NO NO YES NO YES NO YES NO NO 02-71 NO 02-72 YES NO NO NO YES YES YES 100 430 180K NO 330 NO NO NO NO NO NO YES YES NO YES
02-73 YES 02-74 YES 00-21 NO 10-12 NO 10-13 NO 10-14 NO 10-21 NO 10-22 NO 10-23 NO 10-24 NO 10-01 YES
NO NO NO NO NO NO NO NO NO NO YES
NO NO YES NO NO YES YES YES NO NO NO
NO NO NO NO NO NO NO NO NO NO NO
YES NO NO NO NO NO NO NO NO NO NO
YES NO NO NO NO NO NO NO NO NO NO
YES YES NO NO YES YES NO NO YES YES NO
100 100 220 220 100 100 220 220 100 100 220
430 430 10 10 430 430 10 10 430 430 10
180K 180K 4.3K 4.3K 180K 180K 4.3K 4.3K 180K 180K 4.3K
NO NO YES NO NO NO YES YES NO NO NO
330 330 330 820 820 820 820 820 820 820 820
NO NO NO NO NO NO NO NO NO NO YES
NO NO NO YES YES YES NO NO NO NO NO
NO NO NO NO NO NO NO NO NO NO YES
NO NO NO NO NO NO NO NO NO NO NO
NO NO NO NO YES NO NO NO NO YES YES
NO NO YES YES NO NO YES YES NO NO YES
YES YES YES NO NO NO NO NO NO NO NO
YES YES YES YES YES YES YES YES YES YES NO
NO NO NO NO NO NO YES NO NO NO NO
YES NO NO NO NO NO NO NO NO NO NO
7
X34-3102-7x (4/4)
21
U
V
W
X
Y
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
1
SWITCH UNIT (X16-246x-xx)
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47 47 S49 S16 S16 16 S28
2
ED1 (COMMON)
S51
S11
S41
S52
S12
S42
S21
S22
S15
S16
S48
S45
S46
S43
S56
S55
S53
S49
S50
S10
S13
S40
S39
S38
S36
S35
S18
S19
S20
S23
S54
S14
S17
S47
S44
S37
S24
S25
S26
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
S27
3
ED1 (SEGMENT)
D36
J1
TP14
A
IC2
KS5
C1
S56
S55
S53
S52
S51
SW Q1
10K
KS4
KS3
KS2
4
ESD-GND PANEL SW 14 SW5V REMO 12
15 TP12 13 TP11 TP10 R9 1K R8 470 R7 470 R6 470 R5 1K TP13 +5V R10 47 R11 1K 80 79 78 77
REMOTE CONTROL IC
2.2 C5
C3
C2
S50
S54
S48 S17 S17 17
48 18 S S47
1
2
3
4
5
6
7
8
9
5.0V 5V 0V
60
10K
IC2
1 GND2 OUT
KI1 KI2 KI3 KI4 KI5 +5V C3 0.047
65 66 67 68 69 70 71
KI1 KI2 KI3 KI4 KI5 VDD VDD1
TP9 L-CLK 10 TP8 L-CE 9 TP7 L-DATAL L-RES 8 TP6 7 TP5 RST 6 TP4 +B TP3 3 2 1 TP2 +5V TP1 D-GND
VCC
X34J3 1/2
L-DATAS
11
5V 0V 5V 0V 5.0V 3.3V
A
2
4
GND1
S23
0V
+5V
5
76
VDD2 1.6V 0V 73 VSS 0V 74 TEST R1 56K C1 75 OSC ON OFF L-RES L-DATA L
C4 0.047 72
RESET
R3 4.7K R4 47K
LED+B NC 4 ILL-GND PAN 5V
5
1000P 76 77
5V 0V
R2 4.7
76 77
5V 0V 5V 0V 5V 0V
GREEN RED
78 79 80
5V 0V 78 L-CE 79 L-CLK 80 L-DATA S
0.01
C2
D31
D32
D33
D34
D35
KEY
S10
S11
S12
S13
S14
S8
S4
S5
S6
S7
S9
6
11
1
10
12
2
13
R13
R12
2.2K
2.2K
ESD-GND
S11
S10
S12
S13
14
S8
S5
S4
S6
ON
+B
Q2,3
+B
7
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
22
X16-2462-7x (1/2)
W2
KEY ILLUMINATION SW
S7
S9
OFF
Q3
Q2
S14
S15
15
3
5
6
4
7
8
9
S15
59 S56 58 COM3 57 COM2 56 COM1 55 S55 54 S54 53 S53 52 S52 51 S51 50 S50 49 S49 48 S48 47 S47
64
63
62
+5V
61
KS6
KS5
3
KS4
KS3
KS2
IC1
LCD DRIVER
S29
S5
S6
S8
S4
S7
S9
48
1
2
3
4
5
6
7
8
9
S15 S49 S48 S47 S46 S45 S44 S43 S42 42 41 S41 54 55 56 S34 S42 53 S43 S33 52 43 S44 S32 44 51 S45 S31 45 50 S46 50 51 52 53 54 55 56 C1 C2 C3 S30 46 S47 49 49 47 S29 S48 48 48 48 S28 S49 47 47 49 S27
15 S50 S50 46 46
S16
16
S15
50
S17
17
S16
S18
18
S17
S19
19
S18
S20
20
S19
S21
21
S20
S22
22
S21
Z
S23
23
S22
S27
S34
S37
S30
S33
S35
S25
S26
S28
S29
S36
S38
S39
S40
S32
S31
S24
24 S41
S23
S24
30
31
37
D8
270 270 C11
D7
KI4 KI5 KI3 KI2
R42 R41
220 220
25 35 36 38 39 40 S27 S34 S37 S28 S29 S30 S35 S33 S36 S38 S39 S40 S32 S31 S25 S26
26
27
28
29
D1
R22 R21
BACK LIGHT
D10
TP37 TP34 TP38 TP36 TP35 TP33 TP32
R23 430 220
: LC75883E : RS-171
Q1 : DTA114EE Q2,3 : 2SC4617
D9
R29
0.01
32 KI1 TP30 TP29 TP31
33
34
IC1 IC2
AA
D3
D2
S6
VOL UP FM S16 AM S21 AUD VOL
TP21
S1
S11
D13
R31
TP22 300 270
CLK
D1 D2 D3 D4,6-19,21-19 D31-35 D36
D23
TI
VOL DOWN
C12
+B
KS2 0.01
Q & SRC
D12 D21
R28 R27
S17 S22
TP23 KS3 TP24 270 270
D11 D6 D4
C13
0.01
R25 R24
S7
S2
6
5
4
D22
+B
S12
: : : : : :
TI
ATT
+B
· DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units.
S8 S3 1 2 3 ATT S19 S18 S13 UDZS5.6B DA204U
AB
B30-1633-05 B30-1567-05 B30-1564-05
D16
R32
TP25 KS4 TP26
D15 D24
1
TP27
D14
D26
D25
S4
S9
S5
S14
S10
VOL UP
S20
S15
VOL DOWN
SRC
5
D19
R33
D29
FM AM
4
3
D18 D27
D28
2
+B
D17
KS5 TP28
6
GND LINE B LINE
CLK
AC
KDC-4027 (2/2)
+B
(X16-246x-xx)
R12,13, R27, UNIT Q2,3 D7,8 D9,10 D11-19 D36 ED1 D3 D4 D6 D21-29 A C12 C13 24,25 28 No. NO NO NO 2-70 YES NO YES B30-1564-05 B30-1567-05 B30-1533-05 B30-1567-05 B30-1533-05 YES B38-1144-05 YES YES NO NO NO 2-71 YES NO YES B30-1564-05 B30-1567-05 B30-1533-05 B30-1567-05 B30-1533-05 YES B38-1137-05 YES YES B30-1567-05 B30-1533-05 NO B38-1145-05 YES YES NO NO NO NO 0-21 YES YES YES B30-1564-05 B30-1564-05 NO B30-1567-05 NO B38-1144-05 NO NO YES NO B30-1567-05 NO 2-73 NO NO NO B30-1567-05 B30-1567-05 B30-1533-05 NO B38-1144-05 NO NO NO YES NO NO B30-1533-05 2-75 NO NO NO B30-1687-05 B30-1687-05 NO B30-1567-05 NO B38-1145-05 NO NO YES 2-72 NO NO NO NO B30-1567-05 NO B30-1567-05 B30-1567-05 NO B30-1533-05 NO B38-1145-05 NO YES 2-74 NO NO NO B30-1533-05 NO NO B30-1687-05 B30-1687-05 NO 2-76 NO NO NO NO B30-1567-05 B30-1567-05 NO B30-1567-05 NO B30-1567-05 NO B38-1137-05 NO NO YES 2-77 NO NO NO NO B30-1687-05 B30-1687-05 NO B30-1533-05 NO B30-1533-05 NO B38-1137-05 NO NO YES R29, 41,42 YES YES NO YES YES YES YES YES YES R3133 330 330 330 390 330 390 330 390 330 W2 NO NO NO YES YES YES YES YES YES
MODEL NAME
KDC-4027/Y KDC-4027V/VY KDC-3026R KDC-3027A/AY KDC-3027G/GY KDC-308A/AY KDC-308G/GY KDC-F327A KDC-F327G
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
X16-2462-7x (2/2)
5
AD
23
4 3 2 1
7
6
AE
AF
AG
AH
AI
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
1
SWITCH UNIT (X16-247x-xx)
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
10
11
12
13
33 33 41 9 C2 S8 S8 COM2 S41
2
ED1 (COMMON)
S21
S31
S22
S30
S29
S28
S18
S20
S26
S25
S23
S12
S35
S33
S32
S19
S13
S15
S16
S38
S36
S40
S39
S24
S27
S17
S14
S34
S37
S10
S11
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
S5 42 8
3
4
ED1 (SEGMENT)
J1
ESD-GND 15 PANEL14 SW SW5V REMO 12 13
TP14 TP13 TP12 +5V TP11 TP10 R9 1K R8 470 R7 470 R6 470
IC2
KS5
KS4
KS3
KS2
S41
48
47
46
45
44
43
+5V
49
10K
KS6 KI1 KI2 KI3 KI4 KI5 TEST
(BOTTOM VIEW)
L-CLK 10 TP8 L-CE L-DATAL N.C 8 7 TP5 RST 6 LED +B N.C 4 ILL-GND PAN 5V D-GND 2 1 3 +5V TP1 5 TP4 +B TP3 9 TP7
63
1
X34J3
L-DATAS
11 TP9
64
3 5.0V
KI1 KI2 KI3 KI4 KI5
50 51 52 53 54
5V 0V 5V 0V
1/2
62 61
OUT
VCC
5
IC2
GND2
GND1
0.01
C2
A
0V 55
RESET S23
0V
6
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer. · DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units.
56 VDD +5V C3 0.047 57 VDD1 C4 0.047 58 VDD2 0V 59 VSS
2
4
5.0V 3.3V 1.6V
LCD DRIVE
R1 56K
TP2 R2 4.7
R3 4.7K 61 62 63 64
C1 1000P
60 61 62 63 64
OSC DO DE CL DI
5V 0V
+B
5V 0V
KEY
5V 0V
N.C N.C N.C S5 S6 S7 S9 S9 10
D32 D33 D34 D35
1
2
3
5
4
6
OFF
S5 S6 S7
ON
7
24
X16-2472-7x (1/2)
7
COM3
IC1
COM1
KS5
KS4
KS3
KS2
R11 1K
S41
A
Q1
10K
40
R10 47
2.2
C5
KEY DETECT SW
C3
C1
REMOTE CONTROL IC
34
1
2
3
4
5
6
7
8
9
34
1
2
3
4
5
6
7
8
9
S7
7 COM3 COM2 COM1 S40 S39 S38 S37 S36 S35 S34 S33 S33 33 S34 40 34 S35 35 39 S36 36 38 S37 S6 37 37 S38 S7 38 36 37 38 39 40 C1 C2 C3 36 S39 S9 39 35 35 S40 S8 40 34 34 C1 41 S41 C2 33 33 42 S5 C3 32 32 S11
IC1
S8
8
S7
43
CD DRIVER
S9
9
S8
S10
10
S9
S11
11
S10
S12
12
S11
AJ
S13
13
S12
S14
14
S13
S15
15
S14
S16
16
S15
S16
S17 S23 S25 S26 S28 S29 S30 S22 S32 S21 S31 20 21 22 23 24 25 26 27 28 29 30 31 32 S24 S27 S25 S23 S26 S28 S29 S30 S22 S32 S21 S31 KI4 KI5 KI3 KI2
S24
S27
S18
S19
S20
17
18
19
S17
S18
S19
S20
AK
D19
300 300 270
D16
R28 R25 R26 R23
270
D13 D1
C11 0.01
KI1
TP37
TP34
TP38
TP36
TP35
TP33
TP30
TP29
TP32
TP31
6
270 270
5
4
TI
D5
Q1 : DTA114EE
IC1 : LC75853NE IC2 : RS-171
R27
R24
CLK FM S16 AM S21 AUD
S6
S1
S11
D8
TP21 KS2 TP22
D6
BACK-LIGHT
D18 D3
C12 0.01
D15 D7
C13 0.01
D12
ATT
3
2
D4
TI CLK S22
TP23 KS3
S7
S2
6
5
4
S17
S12
AL
D1,3-8,11-19 : D2 : B30-1567-05 D32-35 : UDZS5.6B
D17
VOL
R22 220
TP24
D14
D11
1
FM D2
TP25
SRC
AM
R21 220
KS4 TP26 +B TP27 KS5 TP28
S8
S3
1
2
3
ATT
S19
S18
S13
R33
(X16-247x-xx)
MODEL NAME
R32
A
YES YES YES NO NO NO YES NO 0-23 NO D1 D3 D4
R31
ED1 :
S4
S9
S5
S14
VOL UP
S20
S15
S10
VOL DOWN
SRC
AM
D5
+B
KDC-4027 (2/2)
UNIT No. 0-11 0-21 0-22 2-71 2-72 0-13 0-01 0-10 C12, 13 YES NO YES NO NO YES YES NO KDC-2025V KDC-3026 KDC-2026 KDC-2027SA/SAY KDC-2027SG/SGY KDC-205 RX-292CD KDC-105 KDC-126/S KDC-226
B30-1633-05 B30-1633-05 B30-1633-05 B30-1633-05 B30-1633-05 B30-1633-05 B30-1633-05 B30-1633-05
B30-1564-05 B30-1567-05 B30-1687-05 NO NO B30-1564-05 B30-1690-05 B30-1567-05
B30-1564-05 B30-1567-05 B30-1687-05 B30-1567-05 B30-1687-05 B30-1564-05 B30-1690-05 B30-1567-05
NO B30-1567-05 B30-1687-05 NO NO NO B30-1690-05 B30-1567-05
R24, R27, D32D7,8 D11-19 D6 R23 R26 ED1 35 25 28 B30-1567-05 YES B38-1139-05 430 YES NO NO NO NO NO B30-1567-05 B30-1567-05 YES B38-1138-05 NO NO 390 YES B30-1687-05 B30-1533-05 YES B38-1140-05 NO NO 360 YES NO B30-1567-05 B30-1567-05 B30-1567-05 YES B38-1140-05 390 NO NO YES B30-1687-05 B30-1533-05 B30-1533-05 YES B38-1140-05 360 NO NO YES NO NO B30-1567-05 YES B38-1138-05 430 YES NO NO B30-1690-05 B30-1690-05 NO B38-1139-05 NO NO 360 YES NO B30-1567-05 NO B30-1567-05 NO B38-1140-05 NO NO 390 YES NO B30-1633-05 B30-1687-05 B30-1687-05 B30-1687-05 B30-1687-05 NO B30-1533-05 YES B38-1140-05 NO
R3133 390 390 330 390 330 390 330 390 NO 360 YES 330
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
X16-2472-7x (2/2)
5
AN
GND LINE B LINE
25
4 3 2 1
7
6
AO
AP
AQ
AR
AS
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
1
CD PLAYER UNIT (X32-5490-00/01)
R18 4.7
L1 600
C19 0.1 X2 16.934 MHz
R R17 4.7
12
13
11
G
8 5.0V R16 1K
C17 1
C16 1
R15
CP5 1K
10
L
9
8
R19 100
C20
10
100 RF1
33 32 31 30 29 28 27
7
1 R
1.65V
3.3V
3.3V
16 1.65V
14 3.3V
15 3.3V
19 0V
0V
25 24 23
C21 0.1
17 0V
20
18
13
12
11
22
21
10
9
7 INTQ ADVDD 71 C33 3300P
0V
5.0V
NC NC X1 VPP
XGND
XVDD
SI
REGC
STB
SO
LOUT
ROUT
DAGND
DAVDD
3.3V 0V
DVDD
2
FZD TZD
27 28
1.65V
C1D1 C1D2 RZM
5V 0V 5V 0V
A0
26
DAVDD
XTAL
XTAL
3.3V
DAGND
DVDD
SCK
RST
5.
3.3MHz 1.5MHz
29 30 S4 X32-5490-00 NO X32-5490-01 YES
CP6 1K 0V 29
LOE & LIM SW S3
LOCK MIRR
0V 30 LZM 31 SHOCKD 32 LOCK 0V 33
WFCK/MIRR RFCK/HOLD
3.3V 0V
CN2
D.OUT 22 12EJE SW 21
12EJE SW S2
R3 1K
HOLD 0V 34 30 35
IC3
CD RF/SERVO/ DSP/DAC IC
3
LOS SW 20 CLK 19 DATA 18
LOS SW S1
CP3 100 20 21
to ELECTRIC UNIT (X34- : CN1)
S4
8EJE SW 17 NC 16 BU.+5V 15 D.GND 14 MUTE R 13 MUTE L 12
8EJE SW
TESTEN
MD+
10 11 R14 100 R13 100
51
52
61
62
EFM ASY
SD+
FD+
TD+
MD-
SD-
FD-
TD-
CP1 100
ADGND
TEST4
TEST3
TEST2
TEST1
TEST0
DGND
PLCK 36 C16M 0V 37 DGND R29 0V 38 TX 39 100 EMPH 0V 40 FLAG FLAG 3.3V 41 DVDD 42 LIMIT 43 0V XTALEN 44 0V DGND 45 DIN 46 DOUT 47 SCKIN 48 SCKOUT 49 LRCKIN 50 3.3V LRCK 0V
C27 0.1
3.3V 1.65V 0V
3.0V 0.3V
DVDD
53
55
63
65
66
68
69
4
3.3V
R44 10K
MSTOP 10 A.+8V 9 Lch 8
12 R2 330 52 L 54 56 58
0V
R43 33K
Rch 6 LO/EJ 5 MOTOR 4
C44 1500P
C43 1500P
C46 1500P
C45 1500P
C1 2200P
R31 13K R30 100
C2
A.GND 7
G 24 22 R1 330
CP7 10K 30
CP8 4.7K
R
S.7.5V 3 S.GND 2 LOE/LIM SW 1
5.0V 0V 0V 5.0V
44 43 42 41 40 39 38 37 36 10 8 9
5
PON NC AVREF AVDD
35
VSS1
1.65V
1 BIAS FDINFDIN SPIN+ SPINVCC TDIN4.0V TDIN SLIN+ SLIN30 29 28 27 26
R41 4.7K
1.65V
330P
2 3 4 5
7.5V 4.0V
C35 330P R35 13K
R34 12K R36 12K
54 56 C36
1.65V 1.65V 1.65V
4.0V 4.0V
R38 4.3K
R37 12K
0V 0V 0V 0V 0V 0V
1 2 3 4 5 6
R40 13K R39
16K
NC NC NC NC NC NC
DSP RESET
C37
5V 0V
DRV MUTE LOE&LIM SW VDD0 VSS0
IC1
MECHANISM CONTROL IC
4700P 30 29
1500P
CP4 100K 7 8 ZMUTE L ZMUTE R
R42 18K
C38
2.5MHz 4.5MHz
6
(X92- )
SPINDLE MOTOR DM1 M DM2 M LOADING & SLED MOTOR
SLD+ SPD+ TRKSPDR32 1K
1.65V 0V
6 7 8
4.0V
SPIN GND SLIN LO/EJ 25 24 23 22
5.0V 5V 0V 5V 0V
0V 0V
24
5.0V 0V 7.5V 4.0V 4.0V 4.0V
9 10 11 12 13 14
10
MUTE GND VCC1 SPDSPD+
0V CNT
GND VCC2 SLDSLD+ TRTR+ 21 20 19 18 17 16
22 C28 2.2
9 0V AVSS 5.0V 10 MUTE L 5.0V 11 MUTE R 11
11
TRK-
16
13
14
15
SLD-
R6 100K
FCS+
IC4 4ch BTL
DRIVER
TRK+
R47 5.6K
13
R46 5.6K
12
7
20
21
FO- 4.0V 15 FO+
7.5V 4.0V 4.0V 4.0V
12
0V 13 INTQ 5.0V 14 FOGUP 5.0V 15 PON 16 SCK 5.0V 17 VDD1 18 SO 19 SI
MSTOP
26 X2 25 M RSET 24 5V XT1 23 0V XT2
DATA
12
21
0V
5.0V
20
22
R7 10K
7
26
X32-5490-00 (1/2)
10K
0.1
C3 2.2
C4
C6
0.1
R8
VPP
CLK
SERCH
58
52
STB
NC
NC
A0
34
C40 C39
2200P
C42 0.01
C41 0.01
R33
MRST 11
25
C34 0.1
0V
1.65V
3.3V 70
56
58
59
54
60
64
57
67
72
6
AT
AU
AV
AW
AX
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
1
DIGITAL LINE AUDIO LINE GND LINE B LINE IC1 IC2 IC3 IC4 Q2 Q3 Q4 D2 D2 : 789166YGB-A513 : NJM2880U133 : uPD63712GC : BA5824FP : DTA114YUAF : 2SB0970 : DTC114YUAF : DAN202U
8
7
0V
C15 1000P
C12 0.1 C18 0.1
R20 4.7K
8 5.0V R16 1K
R15
100
APC
3.3V
1
3.3V
0V 0.2V
0V
RFOK
6 5
C13 10
R22 100K
Q3
R23 4.7 IOP2
DTA114EE DTC114YUA DTC143TUA 2SA1036K 2SC4617
DAN202U
7
4
3
2
PN
PD
DGND
INTQ
RST
RFOK
AVDD
LD
3.3V
100 98 97 C14 96 1500P TE
C23 47P
PWMSW AGND TEC TE2 TEO
R24
IOP1
5.0V
99 0V 100K
DA204U DTA114YUA
2
2SC4081
TEADCIN FEO
95 94 93
R26 270K
ADCIN
FE
C24 56P
LD
3SK126
FEREFC REFOUT AVDD VREFIN E F D B
92 91 90 89 88 87 86 85 84 83 82 81 80 79 A PD C+D C25 0.1
3.3V
C26 0.1 R27 3K R45 240 R28 C29 6800P ATEST B 3K F
CN1
1 VCC 2 VC 3 GND 4 LD 5 VR 6 PD 7 C+D 8 E 9 A 10 B 11 F
C31 1
DTA124EUA
3
DPU1 (X93- )
1.65V
0V 2.0V
0.3Vp-p
BR24C01AF-W
C A AGND C3T 0V
1.0V
0V
OPTICAL PICKUP
UMC2N
1Vp-p 1.7Vp-p
ADVDD ASY EQ2 RF1 RF2EQ1 RF-
ATEST RFO AGCI AGCO
78 1.65V 77 76 C30 0.1 RF 13 14 15 16 E
71
3.3V 70
72
73
74
75
12 GND 13 FCS+ 14 TRK+ 15 TRK16 FCS-
1.65V
C33 3300P 3.9K R33 C32 4P
4
ARF
C40 C39
0.1
33P
PLAY :H SERCH : L
Q4
R25 39K
47K
VREF
5.0V
34 R12 100K SERCH
10K
5
C22 6800P
SW 5V
NC NC
47K
SW
33 32 31 30 29 28
MUTE LIM SW VDD0 VSS0
10K
Q2
5.0V 0V
X1 4.19MHz
R10 5.6 1/2W
3.3V AVR
4.2V
5
IC2
4
3.3V
CNTL VIN
NB VOUT
MHz
26 X2 25 M RSET 24 V XT1 23 V XT2
VPP
C11 1
GND
X1
27
C9 0.1
MHz
0V
R9 100K C8 0.1
C10
0.01
5.0V
5.0V
R11 1K
1.2V
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list). Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer. · DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments or/and units.
6
1
2
22
0V
VPP
25
10K
R8
C7
0.1
0V
3
7
X32-5490-00 (2/2)
27
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
EXPLODED VIEW (CD MECHANISM)
A B
F
37
43 43
51
F
1
43
855
55 36 33
834 843
843
56 37
843 Jx2 H 850
43 2 37 53
Bx2
37
32
849 807 809
41 35
33 22
G 806
DPU1 5
E Ax2
8
2
40
15 44
Cx2 801
39
42 45 23 10 11 30 26 13 DFPC1 DM1
842 F
DM2 38 18 17
27 29 19 28 25 14 24
12
31
16
3
(X32)
52
A B C E F G H J
2x8
M1.7x8.5 M1.7x2.5 M2x2 2x6(BLK) 1.6 WASHER M2x2 2x3.5
: N09-4460-05 : N09-4472-05 : N09-6004-05 : N09-6007-05 : N09-6051-05 : N19-2163-04 : N39-2020-46 : N09-6108-05
858 F F
28
CD MECHANISM OPERATION DESCRIPTION is not in this sevice manual. Please refer to service manual for X92-4450-0x (B51-7889-00). Parts with the exploded numbers larger than 700 are not supplied.
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
EXPLODED VIEW (UNIT)
C D
229
215x2
D
208 210 244 DC1
1
201 A M3x8 B 2x6 C 2x8 (BLK) D 3x5 E 3x10 F 3x20 G 2.6x6 H 1.5 RING : N30-3008-46 : N80-2006-46 : N80-2008-45 : N83-3005-46 : N80-3010-46 : N83-3020-46 : N86-2606-46 : N29-0205-04 207 205 216 213
H
Dx2
DME1
225
224
214
704
WH2
C C 723 (X34-)
Cx2
755
248
2
(X16-)
249
245
J1
742
J5
D E
F
Fx2 E
J4
218 246 250
751 (X16-) 743
F1
J3
D (X34-) 753
247
J2
ED1
G
226 234 235 233 238
D B
722
FC1
236
3
232 239
728
B
240 237 211
708 D
PA1
A A
702
Parts with the exploded numbers larger than 700 are not supplied.
29
KDC-2027SA/SAY/SG/SGY, 3027A/AY/G/GY KDC-308A/AY/G/GY, 4027/V/VY/Y, F327A/G
PARTS LIST
New parts Parts without Parts No. are not supplied. Les articles non mentionnes dans le Parts No. ne sont pas fournis. Teile ohne Parts No. werden nicht geliefert. A N DestiRef. No. d e Parts No. Description nation d w
KDC-2027SA/SAY/SG/SGY, KDC-3027A/AY/G/GY, KDC-308A/AY/G/GY, KDC-4027/V/VY/Y, KDC-F327A/G
Ref. No. 211 211 211 213 214 215 216 218 DC1 DC1 FC1 F1 F1 224 225 226 229 232 233 234 235 236 237 238 239
201 205 207 208 PA1 PA1 PA1 PA1 PA1 PA1 PA1 PA1 210 211 211 211 211 211
1C A02-1486-13 2C A22-2863-03 2C A46-1796-01 1D A52-0804-02 3C A64-3165-02 3C 3C 3C 3C 3C A64-3166-02 A64-3166-02 A64-3167-02 A64-3167-02 A64-3168-02
PLASTIC CABINET ASSY SUB PANEL ASSY REAR COVER TOP PLATE PANEL ASSY PANEL ASSY PANEL ASSY PANEL ASSY PANEL ASSY PANEL ASSY PANEL ASSY PANEL ASSY WARRANTY CARD WARRANTY CARD WARRANTY CARD WARRANTY CARD ID CARD ID CARD ID CARD ID CARD ID CARD ID CARD ID CARD CAUTION CARD INST. MANUAL (ENGLISH) INST. MANUAL (ENGLISH) INST. MANUAL (ENGLISH) INST. MANUAL (ENGLISH) INST. MANUAL (FRENCH) INST. MANUAL (FRENCH) INST. MANUAL (FRENCH) INST. MANUAL (GER,DUT) INST. MANUAL (GER,DUT) INST. MANUAL (ITA,SPA,POR) INST. MANUAL (ITA,SPA,POR) INST. MANUAL (HUN,CRO,SLO) INST. MANUAL (HUN,CRO,SLO) INST. MANUAL (SWE,FIN) INST. MANUAL (SWE,FIN) INST. MANUAL (ENG,FRE,GER,DUT,ITA,SPA,POR) INST. MANUAL (ENG,RUS,POL,CZE,HUN) INST. MANUAL (CRO,SWE,FIN,SLO) INST. MANUAL (RUS,POL,CZE) INST. MANUAL (RUS,POL,CZE) ESCUTCHEON FRONT GLASS FRONT GLASS FRONT GLASS FRONT GLASS FRONT GLASS E : KDC-4027 E5 : KDC-308G Z : KDC-4027Y Z5 : KDC-308GY
A N Parts No. d e d w 3C B10-4462-01 3C B10-4462-01 3C B10-4463-01 1C 1C 1C 1C D10-4446-03 D10-4447-03 D10-4589-04 D21-2329-