JVC KD-G318 Service Manual page 11

Q Q
CD servo control section
3 7 6 3 1 5 1 5 0
FEED-
GND
FEED+
FEED-
VF2
T E
L 1 3 9 4 2 2 9 6 5 1 3 FEED+
VCC
GND GND
PSW VT2
SPINDLE- SW1
SPINDLE+ VT1
SW2
VF1
PSW
VR
GND
SPINDLE-
SW1
LD
SW2
SPINDLE+
FOCUS-
VREF
TRACKING-
FOCUS+
TRACKING+
MD
FOCUS+
TRACKING+
FOCUS-
TRACKING-
LD
GND
MD
VR
VF1
VREF
VT1
GND
VT2
VCC
VF2
w w w
.
C569
0.033
C571
47p
R574
LM
51k
C565
0.01
CN501
QGB2027M4-22S
FEED-
VF2
FEED+
VCC
VT2
SW1
VT1
SW2
PSW
VF1
R517
150
VR
SPINDLE+
LD
SPINDLE-
FOCUS-
FOCUS+
C522
MD
TRACKING+
TRACKING-
C524 C523 0.022
0.033 0.033
C521
0.022
VT1 R515
47k
VT2 R516
47k
VF2
VF1
IC501
AN22002A-W
MD
VCC
C505
3p
R505
3.3k
RF TP
Q501
LD R503 2SA2093/QR/-T
12 C503
0.022
x a o
y
C506
R506
1.5k
68p
i
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8
C573
C568
100/10 47/6.3
R579
Q561
10k
2SA2093/QR/-T
D561
1A3G-T1
IC521
MN6627482WA
IC561
TRV
LA6242H-X
TVD
ECM
ECS
C541 68p
FOD
R567 VREF
270k
R566 R568
5.6k
FBAL
12k
TBAL
FE
R590
TE 1k
RFENV
C540
C566 VDET 0.1
220/10
OFTR
R589 1M
C572
47/10
RFDET
BDO
LDON
ARF
Q Q
3 7 6 3
C538
470p
TP
ARF
VREF
TP TP
R533
FE
C517
C515
120k
100/10
0.047
TE
TP
C514
0.1
R510
39k
C520 C516
270p 100p
L501
4.7U
u 1 6 3
.
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2 4
9 9 8
C536
0.1
C582
R581
18k
4.7/25
R538 100
C535
0.01
C534
220/10
1 5 1 5 0 8 9 2 4
L522
4.7U
X521
QAX0714-001Z
C592
4.7/25
R591
18k
R585 22k
R586
R595 22k
R596
C591
0.001
C528 C529
0.1 100/10
m
c o
2
9 9
PSW
SW1
SW2
LM
MSW
GND
CD8V
CD.RESET
STATUS
SUBQ
SQCK
TLOCK
FLOCK
CD.SENSE
MLD
MDATA
MCLK
C583
R584 CD.RCH
CD.LCH
1.5k
150p
9V 9V
GND
IC581
NJM4565M-WE
9 8 2 9 9
C593 R594
150p 1.5k
22k
22k
SHEET 2
2-3