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XR-C9100R
SERVICE MANUAL
AEP Model UK Model
Model Name Using Similar Mechanism Tape Transport Mechanism Type
XR-C8100R MG-25D-136
SPECIFICATIONS
Cassette player section
Tape track 4-track 2-channel stereo Wow and flutter 0.08 % (WRMS) Frequency response 30 - 20,000 Hz Signal-to-noise ratio Cassette type Dolby B NR Dolby C NR TYPE II, IV 67 dB 73 dB TYPE I 64 dB 70 dB MW/LW (AEP, UK model) Tuning range MW: 531 - 1,602 kHz LW: 153 - 281 kHz Aerial terminal External aerial connector Intermediate frequency 10.71 MHz/450 kHz Sensitivity MW: 30 µV LW: 50 µV MW/SW (German model) Tuning range MW: 531 - 1,602 kHz SW: 5,950 - 6,205 kHz Aerial terminal External aerial connector Intermediate frequency 10.71 MHz/450 kHz Sensitivity MW: 30 µV SW: 50 µV
Dolby NR off 61 dB 58 dB
Tuner section
FM Tuning range Antenna terminal Intermediate frequency Usable sensitivity Selectivity Signal-to-noise ratio 87.5 -108.0 MHz External antenna connector 10.7 MHz 8 dBf 75 dB at 400 kHz 65 dB (stereo), 68 dB (mono) Harmonic distortion at 1 kHz 0.7% (stereo), 0.4% (mono) Separation 35 dB at 1 kHz Frequency response 30 - 15,000 Hz
Power amplifier section
Outputs Speaker impedance Maximum power output Speaker outputs (sure seal connectors) 4 - 8 ohms 45 W × 4 (at 4 ohms)
Continued on next page
FM/MW/LW CASSETTE CAR STEREO
AEP, UK Model German Model
FM/MW/SW CASSETTE CAR STEREO
MICROFILM
1
6-3. IC PIN DESCRIPTION · IC600 MB90574PFV-G-134-BND (SYSTEM CONTROL)
Pin No. 1 2 3 4 5 6 7 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 40 41 42 43 44 45 46, 47 48 49 50 51 52 53 Pin Name SEKOUT AF-SEEK WIDE ST-MONO TUNMUTE FM-ON TU-ON VCC ONNIN-RST BUSON SYSRST DOORSW LCDSO LCDCKO BEEP LCDCE UNISI UNISO UNICKI ONNIN-SI ONNIN-SO ONNIN-CKO ONNIN-CE SIRCS PLLSI PLLSO PLLCKO PLLCE ILL-ON DIMMER TIRIND LCDINH VSS C AD-ON RE-IN0, 1 DVCC DVSS SD-IN LCDANG AVCC AVRH AVRL AVSS KEYIN0, 1 RC-IN0 ONNIN-SW-ON DSTSEL1 DSTSEL2 MTP VSM I/O O O O I/O O O O -- O O O I O O O O I O I/O I O O O I I O O O O O O O -- -- O I -- -- I O -- -- -- -- I I -- I I I I SEEK OUT output AF SEEK output WIDE/NARROW select output Use a thing both as ST-IND display input and force MONO output. Tuner mute output FM ON output Tuner ON output Power supply pin (+5 V) Audio composition IC reset output Bus ON control output System reset output Door OPEN/CLOSE detection input LCD serial data output LCD serial clock output BEEP output LCD chip enable output Serial data input Serial data output Serial clock input/output Audio composition serial data input Audio composition serial data output Audio composition serial clock output Audio composition chip enable output Remote commander input PLL data input PLL data output PLL clock output PLL chip enable output Illumination power control output Dimmer control output TIR indicator control output LCD blank display control output GND Power stabilization capacitor pin Power control output of A/D conversion. Rotary encoder input 0, 1 D/A converter VREF input GND of D/A converter. Signal director input LCD view angle alignment output Analog power supply pin (+5 V) A/D converter VREF+ input A/D converter VREF input Analog GND Key input 0, 1 Rotary commander input 0 Audio composition IC power supply pin (+5V) Function select input Tuner destination setting input Tuner multi-pass input (Not used in this set.) S-Meter voltage detection input Pin Description
29
Pin No. 54 55 56 57 58 59 60 61, 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 85 86 87 88, 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
Pin Name VCC RAMBU POWSEL EQ-SEL TESTIN PACK-IND TIRPLAY SUB-SW1, 0 VSS VOLCE MUTE VOLSO/SUBSO VOLCKO/SUBCKO SUBCE FLASH-W 12CSIO 12CCKO RC-IN1 X1A X0A DAVN KEYACK BU-IN ILLIN TELMUTE NOSESW ACCIN TIR-D0, D1, D2, D3 HSTX MD2 MD0, 1 RST VSS X0 X1 VCC TIR-BUSY TIR-WR TIR-CE TIR-CE TIR-RES TIR-PDOWN TIR-RD MTLIN AMSIN REEL POS0 POS1 POS2 POS3 LM-EJ LM-LOD CM-ON
I/O -- I I O I O O O -- O O O O O I I/O O I -- -- I I I I I I I I/O -- I I I -- -- -- -- I O O O O O O I I I I I I I O O O Power supply pin (+5 V) RAM reset detection input Power select initial setting input Equalizer connection : "H" Test mode setting detection input
Pin Description
Door indicator output TIR playback audio line select output Simple SUB WOOFER control output 1, 0 GND Electric volume serial chip enable output System mute control output Main/Sub volume serial data output Main/Sub volume serial clock output Sub volume serial chip enable output Flash write in mode detection input RDS serial data input/output RDS serial clock output Rotary commander input Low speed oscillation input (32.768 kHz) Low speed oscillation input (32.768 kHz) RDS IC data taking in detection input (Not used in this set.) Key input acknowledge Back-up power detection input Illumination line detection input Telephone mute detection input Front panel detachable detection input Accessory power detection input TIR IC command input/output D0, D1, D2, D3 Connect to power supply pin. Connect to GND. Connect to power supply pin. Microcomputer reset input GND High speed oscillation input (3.68 MHz) High speed oscillation input (3.68 MHz) Power supply pin (+5 V) TIR IC BUSY output monitor pin TIR IC data write pulse output TIR IC CE output TIR IC CE output TIR IC reset/power down TIR IC power down TIR IC data read pulse output Auto METAL detection input Tape AMS music detection input Tape reel table rotation detection input Tape position detection input 0 Tape position detection input 1 Tape position detection input 2 Tape position detection input 3 Tape loading motor control output (Eject direction) Tape loading motor control output (Loading direction) Tape capstan motor control output
30
Pin No. 112 113 114 115 116 117 118 119 120
Pin Name TAPEON N-ROUT AMSON DOLBC DOLBY ONNIN-REQ LEDON VSS POWON
I/O O O O O O I O -- O
Pin Description Tape power control output Tape forward/reverse detection output Tape AMS control output Tape DOLBY B/C select control output Tape DOLBY control output Space condition indicate signal input for voice synthesizer IC. Front panel LED control output GND System power control output
31
XR-C9100R
6-7. SCHEMATIC DIAGRAM -- MAIN SECTION (1/5) -- · Refer to page 53 for IC Block Diagrams.
(Page 42)
37
38
(Page 39)
XR-C9100R
6-8. SCHEMATIC DIAGRAM -- MAIN SECTION (2/5) -- · Refer to page 53 for IC Block Diagrams.
(Page 38)
700
ILL
ILL
(Page 43)
39
40
XR-C9100R
6-9. SCHEMATIC DIAGRAM -- MAIN SECTION (3/5) -- · Refer to page 53 for IC Block Diagrams.
(Page 38)
(Page 46)
41
42
(Page 43)
XR-C9100R
6-10. SCHEMATIC DIAGRAM -- MAIN SECTION (4/5) -- · Refer to page 53 for IC Block Diagrams.
(Page 39)
(Page 47)
(Page 42)
(Page 47)
(Page 48) (Page 47)
43
44
XR-C9100R
6-11. SCHEMATIC DIAGRAM -- MAIN SECTION (5/5) -- · Refer to page 53 for IC Block Diagrams.
45
46
(Page 41)
XR-C9100R
6-13. SCHEMATIC DIAGRAM -- INVERTER/SUB SECTION --
D899 MA8062M
(Page 44)
(Page 51)
(Page 44)
(Page 44)
(Page 44)
48
XR-C9100R
6-15. SCHEMATIC DIAGRAM -- DISPLAY SECTION --
(Page 48)
51
52
· IC Block Diagrams IC10 BU2624FV-E2
20 XOUT 19 VSS PHASE DET XIN 1 REFERENCE DIVIDER MAIN COUNT CE CK DA CD 2 4 5 6 IF COUNT CTL P0 7 14 P2 I/O CTL SHIFT REGISTER LATCH 15 AMIN PRESCALER
IC101 MSM6685JSDR1 IC310, 410 TDA8574(T)
VCCL 1 INL 2
18 PD TEST RWCK NC TEST TEST 1 2 3 4 5 TIMING GENERATOR ROW DECODER ADDRESS MULTIPLEXER 26 25 24 8,388,608DATA REGISTER COLUMN DECODER I/O CONTROL REFRESH ADDRESS COUNTER ROW ADDRESS COUNTER ROW ADDRESS REGISTER 23 22 18 SAD SAS TAS VCC RS/A RFSH
IC201 LB1638MTP-T2
GND 1 10 N.C.
REFRESH TIMER
BUFFER
VCCL
IN1 2
CONTROL LOGIC
9 OUT1 8 VS 7 OUT2
16 CL+ 15 CL
TEST 9 TEST 10 DIN 11 NC 12
SVRL 3
17 VDD 16 FMIN
BUFFER
LIFT AMP
VCC 3 IN2 4
REFERENCE
VCCL SIGNAL AMP
14 LGND 13 OUTL
VSS 13
COLUMN ADDRESS COUNTER
GND 5
6 N.C.
INML 4 VCCR INMR 5 SIGNAL AMP REFERENCE
17 WRITE CLOCK GENERATOR 16 15 14
CS WE DOUT NC
12 OUTR 11 RGND
P1
9
20BIT COUNT
13 IFIN
P3 10
12 SD 11 P4
BUFFER SVRR 6 INR 7 VCCR 8 BUFFER
VCCR LIFT AMP 10 CR 9 CR+
IC150 SAA6588
PSWN 11 MAD 12 IIC-BUS SLAVE TRANSCEIVER 10 SCL 9 SDA
IC501 RN5VD33AA-TL
CD
5
4 4 SIGNAL QUALITY DETECTOR 5
RESET
AFIN 13
PAUSE DETECTOR
INTERFACE REGISTER
1
OUT
IC100 MSM6688GS
VDDA VSSA MPX VREF 14 15 16 17 CE RD WR RESET NAR MON DROM DI/0 RWCK DVDD CLOCKED COMPARATOR POWER SUPPLY AND RESET 57kHz 8th ORDER BAND-PASS RDS/RDBS DEMODULATOR RDS/RDBS DECODER 8 7 6 5 4 DAVN VDDD VSSD OSCI OSC0 CS4 WE
2
VDD
3
GND
XT XT
56 55 54 53 52
51
50 49 48 47
46
45 44
43
OSCILLATOR AND CLOCK TEST CONTROL MULTI-PATH DETECTOR
D0 D1 D2 D3
1 2 3 4
TIMING CONTROLLER MCU I/F
OSC
DATA I/O REGISTER CONTROLLER
42 41 40 39 38 37 36
CS3 CS2 CS1 SADX SADY TAS SAS
SCOUT 18 CIN 19 LVIN 20
3 TCON 2 MPTH 1 MRO
BUSY 5 RPM 6 VPM 7 ACON 8 TEST 9 MCUM 10 CE 11
STATUS REGISTER
35 PDWN 34 TEST 33 TEST ADDRESS CONTROLLER ADPCM ANALYZER/ SYNTHESIZER
IC502 BA3918-V3
IC602 BA8270F-E2
BUS ON 1 BUS ON SWITCH RESET SWITCH BATTERY SWITCH 14 VCC
32 RSEL2 31 RSEL1 30 DGND 29 AGND
REGULATOR
RST 2
NC
4
TEST 12 TEST 13 TEST 14
TEST CIRCUIT
12BIT DAC
OVER VOLTAGE PROTECT + + + +
BATT 3
13 12 11 10
RST BUS ON CLK IN BU IN
+ -
+ -
12BIT ADC
LPF
SG CIRCUIT
CLK 4 VREF 5 DATA 6 GND 7
9 DATA IN 8 DATA OUT
15
16
17 18
19 20 21 22 23 24
25
26
27
28
ADIN
FIN AMON DVDD AVDD
SG SGC
TEST
FOUT AOUT
LOUT
LINE
MOUT
MIN
1 NC
2 3 4 MODE2 MODE1 STB
5 VDD
6 AMP
7 VCC
8 ANT
9 COM
10 AM
11 FM
12 GND
53
54
IC250 CXA2511AQ
LINEOUT2 TAPEIN2 PBOUT2 AUXIN2 PBEQ2 MSSW DIREF TCH2 TCL2 GND
IC350 CXA1846N-T4
INAO 1 VRIN 1 VCT 1 INP 1 INN 1 OUT 1 GND VCT VCC 13 12 11 VCT BUFFER 8 DATA 9 10 CLK INIT N.C. 14 1dB STEP VOLUME ZC DET 1dB STEP VOLUME 7 CE
20 19
18
17
16
15
30 PBFB2 PBRIN2 PBREF2 PBFIN2 VCT PBGND PBFIN1 PBREF1 PBRIN1 PBFB1 31 32 33
29
28 120µ/70µ
27
26
25
24
23 NR
22
21 20 MSMODE 19 DRSW
+ - + X1 F2 34 35 VCT 36 37 F1 38 39 40 1 2 + X1 T1 + 120µ/70µ TAPE/AUX TAPE EQ FWD/RVS VCC LPF + F3 T2 NR BIAS
OFF/ B/C MS MODE
+
8dB STEP VOLUME
18 TAPESW 17 INSW NR MODE 16 NRSW
LATCH
LATCH CONTROL
SHIFT REGISTER
DET
15 NRMODE MS ON/ OFF 14 MSOUT 13 DGND
+
8dB STEP VOLUME
1 INP 2
12 MSTC OFF/ B/C NR 11 G1FB 9 10
2 INN 2
3 VCT 2
4 5 VRIN 2 INAO 2
6 OUT 2 24 FNTO1 23 REO1 22 21 20 19 CE CLK DGND GND 18 17 16 15 VCC VCT DATA TIMER 14 REO2 13 FNTO2
3
4
5
6
7
8
LINEOUT1
PBEQ1
PBOUT1
TAPEIN1
AUXIN1
MSLPF
TCH1
TCL1
IC301 CXA1946BQ-T6
GAIN134 TIN1 TCLC1 TCLC11 TCLC12 TCO1 LDHC1 VOUT1 LDLC1 INAO1 VRIN1 FDIN1
25 FADER 45k SHIFT REGISTER 45k IN21 IN22 IN23 IN24 GAIN21 GAIN22 43 44 45 46 47 48 VCTBUFF FADER 12
36
35 34
33
32
G2FB
VCC
31
30 29 28 27 26
LOUD GAIN12 GAIN11 IN14 IN13 IN12 IN11 37 38 39 40 41 42
VOLUME 8dB STEP
VOLUME 1dB STEP VCTBUFF
TONE
INPUT SW
VCTBUFF VCTBUFF
LATCH
LATCH CONTROL
ZCDET
INPUT SW
VCTBUFF VCTBUFF LOUD VOLUME 8dB STEP VOLUME 1dB STEP TONE
1
2
3
4
5
6
7 8 9 10 11
GAIN234
INAO2
LDHC2
VRIN2
VOUT2
55
TIN2 TCLC2 TCLC21 TCLC22 TCO2
LDLC2
FDIN2
IC900 MBM29F800-DISPU
A16 48 BYTE 47 8,388,608 CELL MATRIX Y GATE ADDRESS LATCH Y DECODER I/O BUFFER DATA LATCH STB STB GND 46 DQ15/A1 45 DQ7 44 DQ14 43 DQ6 42 DQ13 41 DQ5 40 DQ12 39 DQ4 38 VCC 37 DQ11 DQ3 DQ10 DQ2 DQ9 DQ1 DQ8 DQ0 36 35 34 33 32 31 30 29
1 2 3 4 5 6 7 8
A15 A14 A13 A12 A11 A10 A9 A8
X DECODER
9 NC 10 NC
11 12
WE RESET
CONTROL CIRCUIT
LOW VCC DETECTOR CIRCUIT WRITE/ERASE PULSE TIMER
13 NC 14 NC RY/BY 15 A18 16 A17 17 A7 18 A6 19 A5 20 A4 21 A3 22 A2 23 A1 24
WRITE CIRCUIT RY/BY BUFFER
ERASE CIRCUIT CHIP ENABLE/ OUTPUT ENABLE CIRCUIT
OE
28
GND 27 CE 26 A0 25
IC903 RSC-164
TE1/PWM BUF OUT /PWM A GND GND A VDD AIN0 AIN1
6457 1
56 55 54
53
52 51
50
ADC MIX 48 DACOUT ANALOG DAC CONTROL A15 1 A8 8 GND 9 VDD 10 A7 11 A2 16 ADC
EXTERNAL MEMORY INTERFACE
WRD RDD WRC RDC
INTERNAL ROM 32K x 8 low 32K x 8 high
SH
D0
D7
49
47 XML 46 XMH 45 44 43 42 WRD RDD WRC RDC
INTERRUPT LOGIC
PULSE WIDTH MODULATOR OSC 1 XI 2 XO 2 OSC 2 TIMER 1 TIMER 2
REGISTER SPACE 384 bytes STACK SPACE 8 bytes CPU
41 GND 40 VDD
TIMING AND CONTROL POWER CONTROL
WAKEUP LOGIC PORT 1 SLEEP PDN
PORT 0
39 38 37 36 35 34 33
CLK DO CE DI REQ P.05 IGAIN0
17 18
A1 A0
19 20
XO 1 XI 1
21
RESET
22 23
GND VDD
24 25 26 27 28 29 30 31
V.CONT(-12dB) V.CONT(-6dB) OE CE A19 A18 A17 A16
32
IGAIN1
56
IC901 MSM534001E-14TSKFDR3
32 OE 31 A10 30 CE A11 1 A9 2 A8 3 A13 4 A14 5 A17 6 A18 7 VCC 8 NC 9 A16 10 A15 11
CE OE CONTROL X DECODER ADDRESS BUFFER MEMORY CELL MATRIX 524,288 X 8
A12 12
Y DECODER
MULTIPLEXER
A7 A6 A5 A4
13 14 15 16
OUTPUT BUFFER
29 28 27 26 25 24 23 22 21 20 19 18 17
D7 D6 D5 D4 D3 VSS D2 D1 D0 A0 A1 A2 A3
57