1. Remove the three screws A on the back of the body and the two screws B on both sides of the body. 2. Remove the top cover upward from behind. 3. Remove the two screws C attaching the side covers on the back of the body and the six screws D on both sides. 4. Slide the right and left covers backward and unhook the two hooks a in the lower part of the side covers as shown in Fig.2-2.
A C A
Top cover
A
C
Side cover(L) Side cover(R)
Fig.1
Top cover Hook
B
D
Side cover(R)
D
Fig.2-2
Hook
Hooks a
D
Fig.2
B
Top cover
D
D
Hooks a
D
Side cover(L)
Fig.3
1-5
MX-J100 Removing the CD Tray fitting (See Fig. 4 to 6)
Prior to performing the following procedure, remove the top cover and the side covers.
POWER button
CD tray OPEN/CLOSE button
ATTENTION: Be sure to remove the CD tray fitting before removing the CD changer unit. 1. Press the POWER button. Press the OPEN/CLOSE button to eject the CD tray. 2. Move the CD tray fitting upward and release the joint b. 3. Press the OPEN/CLOSE button to insert the tray.
Joint b CD tray fitting
Fig.4
Removing the CD Tray fitting (See Fig. 5 to 7)
- How to eject the CD tray without turning on power 1. Turn the black loading pulley gear marked c from the back of the CD changer unit as shown in Fig.7 and draw the CD tray toward the front. 2. Move the CD tray fitting upward and release the joint b. 3. Push and insert the CD tray manually.
Joint b
Fig.5
CD tray
Marked c Loading pulley gear
This slot of the board.
Fig.7
Fig.6
1-6
MX-J100
Removing the CD changer unit (See Fig.8 to 10)
Prior to performing the following procedure, remove the top cover, the side covers and the CD Tray fitting. 1. Disconnect the card wire from connector SCW1 of the CD servo board on the back of the CD changer unit. 2. Disconnect the harness from connector FW2 on the inner side of the mother(main) board in the body. 3. Remove the two screws E attaching the CD changer unit on the back of the body. 4. Draw the CD changer unit upward from behind while pulling the rear panel outward.
CD servo board SCW1 CD changer unit
Mother(main) board
FW2
Fig.8
E
Rear panel
Fig.9
Front panel assembly CD changer unit
Rear panel
Fig.10
1-7
MX-J100 Removing the front panel assembly (See Fig.11 to 13) Front panel assembly
Prior to performing the following procedure, remove the top cover, the side covers, the CD Tray fitting and the CD changer unit. There is no need to remove the rear panel. 1. Disconnect the harness from head wire connector DW1 and DW2 on the inner side of the mother (main) board in the body. 2. Disconnect the harness from connector HCW1 of the headphone board on the right side of the body. 3. Remove the three screws F attaching the front panel assembly on both sides of the body. Remove the screw V attaching the earth terminal extending from the front compartment. 4. Remove the screw G attaching the front panel assembly on the bottom of the body. 5. Release the two joints d on both sides and two joints e on the bottom of the body using a screwdriver. At the same time, disconnect the front compartment from connector CCW1 and CCW2 of the mother(main) board.
Joint d
Mother (main) board CCW1 CCW2 DW2
DW1
F
earth wire
V
Fig.11
Front panel assembly
F
Headphone board HCW1
F
Mother (main) board
Joint d
Fig.12
Joint e
G
Joint e
Fig.13
1-8
MX-J100 Removing the rear panel (See Fig.14)
Prior to performing the following procedure, remove the top cover, the side covers, the CD Tray fitting and the CD changer unit. There is no need to remove the front panel assembly. 1. Remove the seven screws H attaching the mother(main) board and the tuner board to the rear panel on the back of the body. 2. Remove the three screws I attaching the heat sink to the rear panel on the back of the body. 3. Remove the three screws J attaching the rear panel on the back of the body.
Rrear panel
H I H H
J
J
Fig.14
Front panel assembly
Removing the mother(main) board (See Fig.15 and 16)
Prior to performing the following procedure, remove the rear panel. 1. Disconnect the harness from connector HCW1 of the mother(main) board on the right side of the body. Release the harness from the clamp in the body. 2. Disconnect the harness from head wire connector DW1 and DW2 extending to the mother(main) board in the body. 3. Disconnect the harness from connector RCW1 of the power transformer. 4. Remove the screw K attaching the earth terminal to the base chassis. 5. Disconnect connector CCW1 and CCW2 connected to the mother(main) board from the front compartment (The mother(main)) board will be detached with the tuner board and the assembly.
Headphone board HCW1
Mother (main) board
Fig.15
CCW1 CCW2 DW1 DW2 Mother (main) board
Tuner board Heat sink Power transformer
Clamp
K
RCW1
Fig.16 1-9
MX-J100
Removing the heat sink (See Fig.17 and 18)
Prior to performing the following procedure, remove the mother(main) board. 1. Remove the three screws L attaching the heat sink cover plate. 2. Remove the two screws M attaching the power IC to the heat sink and the three screws N attaching the heat sink to the mother (main) board. Fig.17
Heat sink cover plate
L M
Removing the tuner Board (See Fig. 18 to 20)
Joint tab f
The tuner board can be removed even if the Tuner board mother(main) board is attached. Heat sink cover plate 1. Release the joint tab f of the tuner board holder and the mother(main) board, and disconnect connector FW1 connected to the mother(main) board. Remove the tuner board assembly (Refer to Fig.18). 2. Remove the screw O attaching the tuner board holder. Release the two tabs g outward and remove the tuner board from the holder.
Heat sink
FW1
Mother(main) board
N
Fig.18
Removing the power transformer (See Fig .21)
Prior to performing the following procedure, remove the top cover and the side covers. 1. Disconnect the power cord from connector RCW2 of the power transformer. 2. Disconnect the harness from connector RCW1 of the power transformer.
Tuner board
Mother(main) board
3. Remove the four screws P attaching the power transformer and the screw Q attaching the earth terminal. ATTENTION: Prior to disconnecting the power cord from the body, remove the rear panel.
FW1
Fig.19
Q
RCW1
RCW2
Tuner board
Tab g
P
Fig.21
1-10
P
Power cord
Power transformer
O
Tuner board holder
Tab g
Fig.20
MX-J100
Prior to performing the following procedure, remove the top cover, the side covers, the CD tray fitting and the front panel assembly.
Tab h
R S S
System board
Tab h
R
Tab h UCW2 Power / CD switch board
S S
Headphone board
Removing the power / CD switch board (See Fig.22)
1. Remove the three screws R attaching the power / CD switch board and release the three tabs h outward.
S
S
2. Disconnect the harness from connector UCW2 of the Mechanism board power / CD switch board. Cassette mechanism assembly Fig.22
Removing the system board (See Fig.22 and 23)
Prior to performing the following procedure, remove the power / CD switch board. 1. Pull out the volume knob toward the front. 2. Disconnect the card wire from the mechanism board of the cassette mechanism assembly. 3. Remove the nine screws S board. attaching the system
Front panel assembly
Volume knob
Fig.23
Removing the headphone board (See Fig.24)
1. Remove the system board temporarily and remove the screw T attaching the headphone board. Pull out the headphone board.
T
Headphone board
Removing the cassette assembly (See Fig.25)
mechanism
Fig.24
1. Disconnect the card wire from the mechanism board of the cassette mechanism assembly. 2. Remove the seven screws U attaching the cassette mechanism assembly.
Mechanism board
U U
Cassette mechanism assembly
U
U
Fig.25 1-11
MX-J100
Prior to performing the following procedure, remove the CD changer unit.
Removing the CD tray (See Fig.26 to 28)
1. Turn the black loading pulley gear marked c on the under side of the CD changer unit in the direction of the arrow and draw the CD tray toward the front until it stops.
Loading pulley gear marked c CD tray
2. Disconnect the card wire from connector SCW5 of the CD servo board on the upper side of the CD changer unit. 3. Push down the two tray stoppers marked i and pull out the CD tray.
Fig.26
CD tray
Reinstall the CD tray (See Fig.29 to 30)
1. Align the gear-cam with the gear-tray as shown fig.29, then mount the CD tray. 2. When assembling the CD tray, take extreme care not engage with gear - synchro.
CD tray
Fig.27
Tray stopper marked i
Tray stopper marked i CD servo board SCW5
Fig.28
Gear-cam
Gear-tray
Gear-convert
Gear-cam timing point Gear-tray CD tray
Gear-synchro
Gear-convert
Gear-tray
Fig.29
Fig.30
1-12
MX-J100 Removing the sensor board / the tray motor (See Fig.31 to 33)
Prior to performing the following procedure, remove the CD tray. 1. Release the two tabs j attaching the sensor board on the under side of the CD tray. 2. Disconnect the harness from connector CW1 on the sensor board and release the harness from the two hooks k. Remove the sensor board.
Hooks k Tab j Sensor board Tab j
CW1
3. Remove the screw W attaching the tray turn table. Detach the tray turn table from the tray. 4. Pull outward the tab marked m attaching the tray turn table motor assembly on the upper side of the tray and detach the tray turn table motor assembly from the tray.
Fig.31
Tray turn table
Tray
W
Fig.32
Tray turn table motor assembly
Tab m
Fig.33
1-13
MX-J100 Removing the belt, the CD servo board and the switch board (See Fig.34 and 35)
Prior to performing the following procedure, remove the CD tray. 1. Detach the belt from the pulley on the upper side of the CD changer unit (Do not stain the belt with grease). 2. Disconnect the card wire from the pickup unit connector on the under side of the CD changer unit.
CD changer unit Belt
3. Disconnect the motor wire harness from connector on the CD mechanism board. 4. Remove the two screws X attaching the CD servo board. First release the n side of the two tabs n and two tabs o attaching the CD servo board motor to raise the CD servo board slightly, then release the o side. If the tabs n and o are hard to release, it is recommendable to unsolder the two soldered parts on the motor terminal of the CD servo board. Disconnect the terminal CW3 connected to the switch board and remove the CD servo board. 5. Release the three tabs p attaching the switch board outward and detach the switch board.
Switch board CW3
Fig.34
X
Tabs p
CD servo board Tabs o Soldered parts Motor Tabs n
CD mechanism board motor connecter Pickup unit connector
Fig.35
1-14
MX-J100 Removing the CD mechanism holder assembly (mechanism included) (See Fig.36 to 39)
1. Disconnect the harness from connector on the CD mechanism board in the CD mechanism assembly on the under side of the CD changer unit. Disconnect the card wire from the pickup unit connector. 2. Remove the screw Y attaching the shaft on the right side of the CD mechanism holder assembly. Pull outward the stopper fixing the shaft on the left side and remove the CD mechanism holder assembly from behind in the direction of the arrow. 3. Turn the CD mechanism holder assembly half around the lift up slide shaft r of the CD mechanism holder assembly until the turn table is reversed, and pull out the CD mechanism holder assembly.
Motorconnecter
CD changer unit CD mechanism assembly Pickup unit connector
Fig.36
Y
Stopper CD mechanism holder assembly
Fig.37
Lift up slide shaft
Lift up slide shaft r
CD mechanism holder assembly
CD mechanism holder assembly
Fig.39
Fig.38
1-15
MX-J100
Removing the CD mechanism holder from the CD chassis to remove the CD mechanism. (Refer to "Removing the CD mechanism holder assembly" (Pag.2-11)) A Shaft Shutter Pickup unit
Removing the pickup unit.
1. Loosen the two screws A fixing the chassis.(Fig.1) 2. Removing the feed gear stopper c on the bottom of the mechanism and pull out the gear. (Fig.1, Fig.3, Fig.4) 3. Pull out the shaft by opening the pickup shaft stopper outward to unlock.(Fig.1, Fig.2) 4. Removing the pickup unit.(Fig.1) Stopper A B Fig.1 Feed Gear
Removing the motor board.
1. Unsolder the motor terminal on the motor board.(Fig.3) 2. Remove the moter board.(Fig.3)
Shaft
Removing the feed motor.
Remove the two motor fixing screws at B and removing the feed motor.(Fig.1, Fig.3)
Removing the spindle motor.
The spindle motor cannot be removed as a single unit. When removing the spindle motor, change the chasis and turntable together as aunit.(Fig.5) Stopper Fig.2
Motor board Feed motor
Unsolder
c
Spindle motor
Spindle motor Unsolder Screw W Fig.3
Turn table Screw Chassis Fig.5
1-16
(Feed gear stopper) Fig.4
B
MX-J100
· Removing the record/playback mechanism.
R/P Head
Removing the R/P head.
1. Remove the screw A on the right side of the R/P head.(Fig.1, Fig.2) 2. Remove the screw B on the left side of the R/P head.(Fig.1, Fig.2)
Remove the erase head.
Remove the screw C fixing the erase head.(Fig.1) E. Head Stoppsr
C B
A
Removing the pinch roller.
1. Pull out the pinch roller by opening the pinch roller stopper outward to unlock .(Fig.3) 2. When reassembling the pinch roller, refer to fig. 4 to hook up the spring.
Pinch roller assembly
Fig.1
B
A
Spring
R/P Head Fig.2
Pinch roller
Pinch roller stopper
Fig.3
Return spring
Pinch roller
Pinch roller spring
Return spring Fig.4
Return spring
1-17
MX-J100
Mecha. board b E Motor terminal D E b
a
Removing the motor.
1. Remove the two screws D fixing the motor. Be careful to grease's splash when the drive belt comes off.(Fig.5, Fig.6) 2. Unsolder the motor terminal.(Fig.5)
Removing the mechanism board.
1. Unsolder the four parts a on the solenoid
coil terminal.(Fig.5) 2. Remove the two screws E fixing the board.(Fig.5) 3. Unhook the three parts b from the board.(Fig.5) 4. Remove the mechanism board.(Fig.5) Motor Fig.5 Drive belt Motor D
a Drive belt
Removing the flywheel.
Remove the cut-washers at c and d from the capstan shaft, then remove the flywheen. When reassembling the flywheel, be sure to use new washers as they cannot be reused.(Fig.8, Fig.9)
Drive belt Fig.6
Capstan washer
Capstan washer
d c Sleeve Sleeve Washer FR belt
Fig.7
Flywheel FR belt Flywheel 1-18 Fig.9 Fig.8 Flywheel
MX-J100
Ajustment method
Tuner
* Adjustment Location of Tuner PCB
ITEAM
AM(MW) OSC Adjustment
AM(MW) RF Adjustment
Received FREQ. Adjustment point
520~1720 KHz Non- Adjustment 1~7.0 ±0.5V
590 KHz MW -ANT Maximum Output(Fig1-4)
Output
MAIN PCB
VT
GND
TESTER
Fig 1-4 OSC Voltage
1-19
MX-J100
FM THD Adjustment SSG FREQ. Adjustment point (TL3) Output 98 MHz FM DETECTOR COIL 60 dB
Output GND FM S.S.G
FM Antenna SET Terminal Input Speaker Terminal output Distortion Meter
Input
Oscilloscope
Minumum Distortion (0.3% below) (Figure 1-1)
Figure1-1 IF CENTER and THD Adjustment
FM Search Level Adjustment SSG FREQ. Adjustment point (TSR1) Output 98 MHz BEACON SENSITIVITY SEMI-VR(20K½) 28 dB(±2dB)
20 k½ 28 dB FM Antenna SET FM S.S.G GND FM IN
Adjust TSR1 so that "TUNED" of FL T is lighted (Figure 1-2) *Adjust FM S.S.G level to 28dB
Figure1-2 FM Auto Search Level Adjustment
AM(MW) I.F Adjustment SSG FREQ. Frequency Adjustment point (TL2) 450 kHz 520 kHz AM I.F COIL
OUTPUT AM SSG 450KHZ
INPUT
60cm TL2 AM ANT IN Speaker Terminal
Maximum output (Figure 1-3)
VTVM
OUTPUT
Oscilloscope
Figure1-3 AM I.F Adjustment
1-20
MX-J100
Cassette deck
1. To adjust tape speed
Notes 1) Measuring tape: VT 712 (or equivalent) (Tapes recorded with 3kHz) 2) Connect the cassette deck to the frequency counter as in figure 1-5.
output Figure 1-5 Cassette Deck SPK OUT Frequency Counter
Step
Item
Pre-Setup Condition OUT (connected to the frequency counter)
Pre-Setup 1) Deck A:VT 712 2) Press PLAY SW button 3) Deck B:Same as above
To Adjust
Standard
Remark
1
NOR SPEED Control
Turn UVR2 to left and right (FRONT PCB)
3KHz
±1% range
Recording /Play head Cassette Deck REVERSE PLAY
SPK OUT
VTVM
Oscilloscope
(GND)
FWD PLAY AZIMUTH control screw Figure 1-6
In Out Figure 1-7
Audio OSC.
SET (MAIN PCB)
LINE OUT IN AUX IN TP DW2
VTVM
Oscilloscope
IN OUT
Figure 1-8
1-21
MX-J100
2. To adjust playback lebel/REC
Notes 1) Before the actual adjustment, clean the play/recording head. 2) Measuring tape : i) VT 705(or equivalent 12.5kHz AZIMUTH control) 3) The cassette deck is connections as shown in figure 1-7.
1 Adjust Deck A Play Level
Step Item Pre-Setup Condition Pre-Setup To Adjust Standard Remark
1
AZIMUTH
After putting VT705 - Turn the control After TP1 OUT into Deck A screw to as shown Max output adjustment (VTVM is - Press FWD PLAY in Figure 1-6. and same phase secure it with (both channels) connected to button. REGION the scope) LOCK.
2 Adjust Deck B Play Level/REC BIAS
Step Item Pre-Setup Condition Pre-Setup To Adjust Standard Remark
1 AZIMUTH
After putting VT705 - Turn the control TP1 OUT into Deck B screw to as shown Max output (VTVM is 1)Press FWD PLAY in Figure 1-6. and same phase connected to (both channels) button. the scope) 2)Press REV PLAY button.
After putting MTT -
After adjustment secure it with REGION LOCK.
2
Recording Bias Voltage
5512 into Deck B
Fig 1-8
Turn DVR1,DVR2 to the right and left 7V(±0.5V)
1)Press REC PLAY button. 2)MAIN PCB DCW2, connectted to VTVM
1-22
MX-J100
Flow of functional operation until TOC read
Check Point
Power ON
Play Key
RESET a CD LSI
Confirm that the voltage at the pin38 of KB9223(IC922) is "L" "H".
LIMIT SW ON
Confirm that the voltage at the pin41 of KB9223(IC922) is "H" "L" "H".
SET Default value of TE gain, TE balance
Automatic adjusting of focus bias
Automatic adjusting of FE offset
Automatic adjusting of TE offset
LASER power ON
Confirm that the voltage at the pin70 of KB9223(IC922) is 3.5V.
Detection of disk
Tracking error waveform at TOC reading Pin 54 of KB9223/TE (IC922)
Approx 0.4V 2.50V
Approx.3.7sec
Disc is rotated
Confirm that the signal from pin46 of KB9223(IC922) is 3.5V as a accelerated pulse during approx.1.96s. Confirm the waveform of the Tracking error signal at the pin 54 of KB9223(IC922).
Automatic adjusting of TE balance
Disc states to rotate
Automatic adjusting of TE gain
TOC reading
Confirm the eye-pattern at the pin74 of KB9223(IC922).
Play a disc
1-23
MX-J100
Maintenance of laser pickup
(1) Cleaning the pick up lens Before you replace the pick up, please try to clean the lens with a alcohol soaked cotton swab. (2) Life of the laser diode When the life of the laser diode has expired, the following symptoms will appear. 1. The level of RF output (EFM output:ampli tude of eye pattern) will below.
Replacement of laser pickup
Turn off the power switch and,disconnect the power cord from the ac outlet.
Replace the pickup with a normal one.(Refer to "Pickup Removal" on the previous page)
Is the level of RFOUT under 1.1V 0.2Vp-p?
NO
Replace it.
Plug the power cord in,and turn the power on. At this time,check that the laser emits for about 3seconds and the objective lens moves up and down. Note: Do not observe the laser beam directly.
YES O.K Play a disc.
Check the eye-pattern at TP1.
Finish.
(3) Semi-fixed resistor on the APC PC board The semi-fixed resistor on the APC printed circuit board which is attached to the pickup is used to adjust the laser power.Since this adjustment should be performed to match the characteristics of the whole optical block, do not touch the semi-fixed resistor. If the laser power is lower than the specified value,the laser diode is almost worn out, and the laser pickup should be replaced. If the semi-fixed resistor is adjusted while the pickup is functioning normally,the laser pickup may be damaged due to excessive current.
1-24
MX-J100
Description of major ICs
LC75341 (FIC1):Function
1-25
MX-J100
LC72131D (HIC1) : PLL
XIN XOUT
1 22 1/2
REFERENCE DIVIDER
PHASE DETECTOR CHARGE PUMP
18 PD
FMIN
16
SWALLOW COUNTER 1/16, 1/17 4D1ts
19 AIN UNLOCK DETECTOR 20 ADUT
AMIN CE DI CL DO VDD Vss
15
12bita PROGRAMMABLE DIVIDER
3 4 5 6 P0WER ON RESET 2 C B 1/F
DATA SHIFT REGISTER LATCH
UNIVERSAL COUNTER
12 IFIN
17
21
7
BO1
8
BO2
9
BO3
10
BO4
11
IO1
13
IO2
STK402-040 (AIC1)
1-26
MX-J100
LA1837 (TIC1) : FM IF/DET AM RF/IF/DET
1-27
MX-J100
KS9286B (IC928) : DSP/D-A Converter
SBCK SDAT S0S1
SUBCODE SYNC DETECTOR 23BIT SHIFT REGISTER 26
SUBCODE OUTPUT
32
33 SUBCODE-Q REGISTER 30 29
SQDT SQCK
EFMI
66
EFM PHASE DETECTOR
EFM DEMODULATOR
CNTVOL DPFIN DPFOUT DPDO SMEF SMON SMDP SMSD LOCK XOUT XIN
5 3 4 2 72 73 75 76 70 9 8
8BIT DATA BUS
DIGITAL PLL
FRAME SYNC DETECTOR PROTECTOR INSERTER
ADDRESS GENERATOR
DIGITAL CLV SERVO X-TAL TIMING GENERATOR
16K SRAM
ECC INTERPOLATOR 11 12 14 DIGITAL FILTER & DE-EMPH D/A CONVERTER 77 67 80 24 17 22
MDAT MCK MLT TRCNT /ISTAT
37 38 36 69 68
CPU INTERFACE
TRACK COUNTER
LRCHO ADATAO BCKO BCKI ADATAI LRCHI EMPH VREFL1 VREFH1
MODE SELECTOR
DIGITAL OUTPUT
61
62
63
65
19
20
7
XTALSEL
TESTO
CDROM
TEST1
DATX
RCHOUT
LCHOUT
1-28
MX-J100
KB9223 (IC922) : ASSP(CD RF)
MDATA TRCNT RESET WDCH ISTAT LOCH ATSC
MCK
FGD 28
MLT
TZC
FLB
TE1
FE2
59
54
22
30
29
31
38
37
36
35
51
52
58
26
27
FS3 3
RF 73
FEI
RF Amp RF Amp
RFO 74 PD1 65 PD2 66 63 F 67 E 68 EI 79 Tracking Error Amp E/F Balance & Gain Control Focus Error Amp FE-BIAS Adjustment
Micom Data Interface Logic
Focus Phase Compensation & Offset cancel circuit
60 FDFCT 47 FE48 FEO 57 TDFCT 49 TE-
Tracking Phase Compensation Block & Jump Pulse GEN.
MICOM TO SERVO CONTROL AUTO SEQUENCER
50 TEO 53 TE2 55 LPFT 62 TG2 61 TGU
PD 69 APC Amp LD 70 VR 71 78 ARF 76 IRF 75 ASY 32 EFM 33 RFI 77 MIRROR DETECTION CIRCUIT FOK DETECTION CIRCUIT 15 GC10 16 GC11 13 CH10 14 CH11 19 MUTEI 17 RRC 12 CH20 11 CH21 9 GC21 10 GC20 EFM Comparator Center Voltage Amp.
ADJUSTMENT-FREE CONTROL
43 SLO Sled Servo Amplifier & Sled Kick GEN. 44 SL 42 SL+ RF Level AGC & Equalizer 46 SPDLO FS1 to FS4 TM to TM6 BAL1 to BAL5 PS1 to PS4 GA1 to GAS Spindle Servo LPF (Double Speed) 45 SPDL23 SMDP 24 SMON 25 SMEF 6 FSET
39 MIRROR 1 MCP
DCB
2 4 Defect Dectection Circuit
Built-in Post Filter Amp (L&R)
40 FOK
5 DCC1
1-29
MX-J100
KA9258D (IC925) : 4-ch Motor driver
28 27 26 25
10K
24
23
22
GND
21
20
19
10K
18
17
16
15
VCC
VCC 10K
10K
REGULATOR T·S D 10K
50K MUTE
+ LEVEL SHIFT
+ LEVEL SHIFT
10K
1
2
3
10K
4
5
6
7
10K
GND
8
9
10
11
12
13
14
KA22291(DIC1) : Cassette amp.
R/P PB NF(2) PR IN(2) SW 23 22 21 8
R/P SW 100K B-IN A-IN
MUTE MUTE SW (IN2) ALC RECOUT(2) 20 19 18 15
ALC TIME CONSTANT 100K N.F PRE INPUT
PBOUT(2) 24 Vcc 16 Vcc 17 REC GND 9 PB OUT(1) 1
N.F PRE INPUT RECORD LREF PLAYBACK LREF REC.BIAS PB.BIAS MODE CONTROL /BIAS CIRCUIT
14 REC NF(2) 13 REC IN(2)
ALC DET
INPUT A/B SELECT S/W PRE NF B-IN A-IN INPUT N.F 100K
12 REC IN(1) 11 REC IN(1)
PRE
100K
2
PU NF(1)
3
4
5
A/B SW
7
PB GND
6
MUTE IN(1)
10
REC OUT(1)
PB IN(1)
1-30
MX-J100
VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK B.U. 10-1,1Chome,Ohwatari-machi,maebashi-city,371-8543,Japan
No.20817
Printed in Japan 200006(V)