Schematic Diagram – Servo Board (1/3) - Sony MEX-1HD Service Manual

MEX-1HD
6-8. SCHEMATIC DIAGRAM – SERVO Board (1/3) – •
CN1
13P
TP5
FCS(-)
TP4
TRK(+)
TP3
TRK(-)
TP2
FCS(+)
GND
TP10
VCC
TP7
F
TP8
E
TP6
PD
TP11
LD
TP1
RF
TP13
B
TP9
A
CN3
2P
SL+
M102
(SLED) SL-
See page 60 for IC Block Diagrams.
(1/3)
TP12
TP16
TP15
C7
0.1
C11
R2
10
1k
10V
FCS(-)
C9
TRK(+)
10
R9
10V
TRK(-) 10k
FCS(+) R8
10k
C1
Q1
0.1
2SA1037AK-
R7
T146-QR
10k
AUTOMATIC
R6
POWER TP14
10k
R1
CONTROL
10
R3
1.2k
C4 TP17
C2 C3
22
0.001 0.001
10V
C5
10
10V
NJM12904
GND
+2V REGULATOR
IC2
TK71520ASCL
VDD VOUT
GND
C6
0.1
TRK(-)
TRK(+)
TP101 BP5
TP102
R31
1k
BP4
C27
0.1
C35
0.1
FOCUS/TRACKING
COIL DRIVE,
SLED MOTOR DRIVE
IC6
BA5918FP-Y
TP26 TP27
FCS(+)
R27 R30
FCS(-)
10k 10k
C29
C26 C30
22
0.1 0.1
10V
IC12
NJU7034V-T
TP20
E2
+V V-
TP21
BUFFER
TP24
R38
0
AMP
IC3
NJU7034V-T
TP25
E2 R48
75k
R13 R17 R21
10k 10k 10k
R24
10k
R49
75k
+V V-
R23
10k
R22
10k
TP23
R16
10k
TP22
C12
C16 R19 R20 R4 R5
C13 10
0.1 10k 10k 910 1.2k
0.1 10V
IC10
TRACKING
VCC
OFFSET
TP57
C50 0.1
C14 10 10V
C15 0.1
R35 R26
1k 10k
Q5
DTC143XKA-
T146
STANDBY
SWITCH
TP30
R34 R41
1k 1k
34 34
RF AMP,
FOCUS/TRACKING ERROR AMP
IC1
LA9246T
C38
1
BHC PH
PHC BH
TP29
C37
RFAD VCC1
1
TP32
R36 R42
C34 GND RFSM
1.2k 680
4p
RFA- RHLD
R47 3.3k
C31
RFA+ GND2
1
FIN1 REFL
FIN2 FE-
E FE
F TE-
TP31 C39 1 TP37
REFI TE
VREF TSS
LDD TS
C36
LDS VCC2
0.1
T15 TP36
R39
LDON TSH
0 C33
T14 TP35
10
GHS FBAL
10V
TP34
BHH TBAL
T13 TP33
EQS SGC
C10
10 TP38
C40 C41
10V
0.01 0.1
T15
Q10
2SC4617TL-
Q
LD ON
(Page 36)
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
TP48 T1
TP47 T2
TP39
TP46 T3
TP45 T4
TP44 T5
R57 39k
C48
220p T6
R55 15k
C47
100p T7
TP50
C46
C45
0.01
68p T8
TP43 T9
TP42 T10
TP41 T11
TP40 T12
C44
C43
10
0.1
10V
A1
A2
A3
A4
A5
A6
A7
(Page 35)
A8
A9
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.