JVC KD-G115 Service Manual page 37

Q Q
3 7 6 3 1 5 1 5 0
CD servo control section
FEED-
GND
FEED+
FEED-
VF2
FEED+
T E
L 1 3 9 4 2 2 9 6 5 1 3 VCC
GND
VT2
PSW
SW1
SPINDLE-
VT1
SPINDLE+
SW2
VF1
PSW
VR
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
.
0.033
R596
8.2k
C540
68p
IC541
LA6242H-X
CN501
QGB2027M4-22S
FEED-
FEED+ VF2
Vcc
VT2
SW1
VT1 SW2
VF1
R557 PSW
150
VR
SPINDLE+
SPINDLE- LD
FOCUS-
VREF
FOCUS+
MD
TRACKING+ C522
TRACKING-
0.022
C523
0.022
R513
VT2
47k
R512
VT1
47k
VF2
VF1
IC501
AN22002A-W
MD
C526
3p
R524
3.3k
RF
TP
Q501
R526
LD 2SA2093/QR/-T
12 C527
0.022
x a o
R525 C506
y
1.5k 68p
i
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8
D551
1A3G-T1
C552 C551 C546
0.01 220/10 47/10
C543
C545
0.01
C541
R558
10k 47/6.3
MN6627482WA
Q541
2SA2093/QR/-T
TRV
TVD
ECM
ECS
KICK
TRD
FOD
FBAL
TBAL
FE
R550
TE
12k
RFENV
VDET C528
OFTR
R518
1M
RFDET
BDO
LDON
Q Q
3 7 6 3
ARF
FE
TP
TP
C519
TE C516
0.047
100/10
TP
C515
R509
39k
0.1
C521 C520
270p 100p
L501
4.7U
u 1 6 3
.
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2 4
9 9 8
IC561
C574
0.01
R507
C573
1k
220/10
0.1
R560
100
1 5 1 5 0 8 9 2 4
L562
C563
4.7U
X561
470p
QAX0714-001Z
TP
ARF
R573
120k
C152
R151 R153 R155
18k 27k 1.5k
2.2/50
C153
R152
C155 8.2K
150p
47/6.3
R154 R156
22k
22k
IC151
NJM4565M-WE
R254 R256
22k 22k
C255
47/6.3
R252 C253
8.2K
150p
C252 R255
R251 R253
27k
18k 1.5k
2.2/50
m
c o
2
9 9
PSW
SW1
SW2
LM
MSW
CD8V
GND
CD.RESET
STATUS
SUBQ
SQCK
TLOCK
FLOCK
CD.SENSE
MLD
MDATA
MCLK
CD.RCH
GND
CD.LCH
9V
C570
0.01
9 8 2 9 9
SHEET 2
2-3