JVC KD-G140J Service Manual page 38
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Also See for KD-G140J:
- Service manual (107 pages) ,
- Service manual (32 pages) ,
- Schematic diagrams (12 pages)
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Q Q
3 7 6 3 1 5 1 5 0
Block diagram
(For KD-G341,KD-G342,KD-G343,KD-G347S and KD-G347B)
CD MECHA
CD servo control section
VF1
SW1
Q101,Q201
VF2
SW2
Q301,Q302
VT1
VT2
PHOTO SW
MD
LD
SPINDLE
SP+/-
MOTOR
FEED
FEED+/-
MOTOR
LOAD+/-
LOAD
SP+/-
MOTOR
FEED+/-
LOAD+/-
FOCUS+/-
REST (PSW)
SW1
TRK+/-
REST SW
PSW
SW1
SW2
CD PICK UP
SRAMVDD
VF1, VF2
VT1, VT2
MD, LD
PICK UP
T E
L
1 3 9 4 2 2 9 6 5 1 3
TRK+/-
FOCUS &
FOCUS+/-
TRACKING
COIL
LCD & Key control section
COM1 to 3
LCD1
S1 to 52
IC661
LCD MODULE
LCD DRIVER
JS686
ENCODER
S601 to S619
KEY MATRIX
D630
POWER LED
w w w
D631 to D654
LIGHTING DISPLAY
AUX.L/R
.
AUX
INPUT
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Main amplifier & System control section
CD.L/R
NRST
IRQ
STAT
MLD
IC521
MDATA
Q521
MCLK
RF AMP
NPWDOWN
X521
16.9344MHz
FOP
TRP
TRVP
FWD
SPOUT
RFENV
REV
TRAV
IC501
BTL_MUTE
BTL DRIVER
IC981
VDD5V
1.5V REG.
LCDDA
LCDCE
LCDCK
ENC1 (VOL1)
LCDDA
ENC2 (VOL2 )
LCDCE
LCDCK
VOL1
VOL2
KEY0 to 2
KEY0 to 2
ACC5V
x
ILM.10V
a o
y
i
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8
X701
8MHz
X702
32.768kHz
MUTE
IC702,S701
RST
VOL_SDA
RESET
VOL_CLK
Q976,Q977
PS2
IC701
PS2
Q
Q
3
7
6
3
E2PROM_DI
CPU
E2PROM_DO
E2PROM_CLK
IC771
EPROM
Q882,Q883
DIMOUT
DIMMER
CONTROL
PCN
TELMUTE
Q891
TEL MUTE
u 1 6 3
.
2-2
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2
4
9
9
TUSDA
TUSCL
IC1
FM/AM TUNER
MPXOUT
TU.L/R
X1
RDSDA
IC71
4MHz
RDSCL
RDS
DETECTOR
Used for KD-G341,KD-G342,KD-G343
X71
4.332MHz
Q341
LINE OUT
MUTING
Q781,Q782
MUTE CONTROL
CD.L/R
MUTE
LEFT.REAR
RIGHT.REAR
IC161
LEFT.FRONT
E.VOLUME
IC301
RIGHT.FRONT
POWER AMP.
1
5
1
IN2L/R
5
0
8
9
2
POWER
3.3V,SW5V,ACC5V
VDD5V,CD8V,9V,ILM.10V
EACH BLOCK
ACC_IN
EXT
ILM.ADJ
IC901
MEMORY
REGULATOR
TELMUTE
m
c o
AUX.L/R
IC101
AUX IN AMP
2
8
9
9
J1
ANT
REAR L/R
REAR
LINE OUT
FL+/-
FR+/-
RL+/-
RR+/-
4
9
8
2
9
9
SPK
BATTERY
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