Jvc KD-G331-E Service Manual
SCHEMATIC DIAGRAMS
CD RECEIVER
KD-G331E,KD-G331EX,KD-G331EY
KD-G331EU,KD-G332E,KD-G332EX
KD-G332EY,KD-G332EU,KD-G333E
KD-G333EX,KD-G333EY,KD-G333EU
KD-G334UI,KD-G335U,KD-G335UN
KD-G335UT,KD-G335UH,KD-G337BEE
KD-G337SEE,KD-G338UF
CD-ROM No.SML200612
Only KD-G335
(for KD-G331)
(for KD-G332)
(for KD-G333)
(for KD-G337)
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
Contents
Block diagram
Standard schematic diagrams
Printed circuit boards
2-1
2-3
2-8
COPYRIGHT 2006 Victor Company of Japan, Limited.
No.MA287SCH
2006/12
Safety precaution
!
!
Burrs formed during molding may be left over on some parts of the chassis. Therefore,
pay attention to such burrs in the case of preforming repair of this system.
Please use enough caution not to see the beam directly or touch it in case of an
adjustment or operation check.
Block diagram
(For KD-G331,KD-G332 KD-G333 and KD-G337)
Main amplifier section
PICK UP
FOCUS &
TRACKING
VF1, VF2, VT1, VT2, LD, MD
TRK+/FOCUS+/-
COIL
LOAD&FEED
LOAD+/FEED+/-
MOTOR
REST
REST
SWITCH
SPINDLE
SP+/-
MOTOR
Q101,Q201
SW1, SW2
PHOTO SW
LCD & Key control section
D630
POWER LED
S601 to S616
KEY MATRIX
IC661
LCD DRIVER
COM1 to COM3
S1 to S52
LCD1
LCD DISPLAY
ACC5V
KEY0
KEY1
KEY2
LCDCLK
LCDDA
LCDCE
Used for KD-G337
IC681
REMOCON
ILL10V
D631 to D650
LIGHTING
DISPLAY
REMOCON
ENC1
ENC2
JS686
ENCODER
CD mechanism control section
CN501
CN101
CN701
CJ601
1.5V VDD5V
SW1
SW2
PSW
TRK+/FOCUS+/LOAD+/FEED+/SP+/-
X521
16.9344MHz
KEY0 to 2
LCDCLK
LCDDA
LCDCE
REMOCON
ENC1
ENC2
1.5V REGULATOR
VF1, VF2
VT1, VT2
MD, LD
PSW
IC981
IC501
BTL DRIVER
FOP
TRP
TRVP
SPOUT
IC521
RF AMP
OUTL/R
IC581
CD L.P.F.
REV, FWD
BTL_MUTE
TRAV
MLD
MDATA
MCLK
NRST
NPWDOWN
STAT
IRQ
IC523
ANT
STAT
IRQ
J1
IC71
RDS
DETECTOR
X71
4.332MHz
TU1
TU_L/R
FM/AM
TUNER
FSU
MUX
RDSDA
RDSCL
IC701
AFS
Q_OUT
SSTOP
TUSDA
TUSCL
DIMOUT
ERCLK
ERDI
MUTE
Q913,Q914
EPROM
CPU
RESET
PS2
IC775,S775
Q911,Q912
32.768KHz
STEERING
Used for Area suffix EU/EX/EY
Q781, Q782
MUTE
DRIVER
VSCL
VSDA
ILM.ADJ
IC771
RESET
PS2
X701
8MHz
X702
IC171
E.VOLUME
CD_L/R
POWER
CDON
TEL_MUTE
MUTE
RLO,RRO
MUTE
Q301
FL_OUT, FR_OUT
RL_OUT, RR_OUT
STANDBY
ILM.ADJ
EACH BLOCK
SW5V,ACC5V
VDD5V.CD8V
9V,ILL10V
IC901
REGULATOR
Q891
TEL.MUTE
Q341,Q351
LINE OUT
MUTING
IC301
POWER
AMP.
ACC
TEL_MUTE
RLO,RRO
LF+/-, RF+/LR+/-, RR+/-
CN761
LINE OUT
REAR
SPK
BATTERY
J761CN901J321
STEERING
REMOTE
2-1
Block diagram
PICK UP
VF1, VF2, VT1, VT2, LD, MD
(For KD-G334,KD-G335 and KD-G338)
CD mechanism control section
ANT
Main amplifier section
J1
IC1
FM/AM
TUNER
SDA
SCL
TUN_L/R
X1
4MHz
FOCUS &
TRACKING
TRK+/FOCUS+/-
COIL
LOAD&FEED
LOAD+/FEED+/-
MOTOR
REST
REST
SWITCH
SPINDLE
SP+/-
MOTOR
Q101,Q201
SW1, SW2
PHOTO SW
LCD & Key control section
D630
POWER LED
S601 to S616
KEY MATRIX
IC661
LCD DRIVER
COM1 to COM3
S1 to S52
LCD1
LCD DISPLAY
ACC5V
KEY0
KEY1
KEY2
LCD_CL5
LCD_DA5
LCD_CE5
REMOCON
ILL10V
D631 to D650
LIGHTING
DISPLAY
IC681
REMOTE
ENC1
ENC2
JS686
ENCODER
TRK+/FOCUS+/LOAD+/FEED+/-
CN501
CN101
CJ601
SP+/-
CN701
KEY0 to 2, REMOTE
ENC1, ENC2
IC501
BTL
DRIVER
VF1, VF2
VT1, VT2
MD, LD
PSW
SW1, SW2
FOO
TRO
FMO
DMO
FWD
REV
DRV_MUTE
IC705
LEVEL SHIFT
LCD_CL5
LCD_DA5
LCD_CE5
LCD_CL3
LCD_DA3
LCD_CE3
X701
8MHz
X702
32.768KHz
IC701
CPU
/STBO
/HOLD
/RST
SUB_SCLK
SUB_TXD
SUB_RXD
SUB_RQ
SUB_CS
IC702
SUB CPU
MUTE
SUBMUTE
SCL
SDA
VOL_M
Q781, Q782
MUTE
DRIVER
X551
16.9344MHz
OUTL/R
DIM ILM.ADJ
Q881.Q882
ILM. ADJ.
/STBO CTRL
Q701.Q702
STANDBY
PS2
RESET
IC703
S701
RESET
P_MUTE
Q301
IC161
E.VOLUME
CD_L/R
IC581
CD L.P.F.
EACH BLOCK
3.3V, SW5V, ACC5V
VDD5V
9V, ILM10V
ANT
REGULATOR
L_MUTE
RLO,RRO
MUTE
OUTFL/FR
OUTRL/RR
,
CD5V
IC901
Q976.Q977
PS2
Q342
LINE OUT
MUTING
IC301
POWER
AMP.
ACC.IN, EXT
ANT
D851
POWER
FL+/-, FR+/RL+/-, RR+/-
ANT
LR, RR
LINE OUT
REAR
CN901J321
SPK
BATTERY
2-2
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