Read Sony MEX-1HD Service Manual online
MEX-1HD
34
34
6-8.
SCHEMATIC DIAGRAM – SERVO Board (1/3) –
•
See page 60 for IC Block Diagrams.
TP14
IC10
C13
TP5
TP4
TP3
TP2
TP6
TP8
C3
C4
IC2
C5
C6
C8
TP17
R2
R3
C11
R8
R9
R7
R6
R12
R10
D12
D13
R14
TP15
TP12
TP16
C7
C14
C50
C15
R19
R20
R13
R17
R16
R24
R21
R23
R22
R4
C12
R5
TP21
TP20
IC3
IC12
C9
TP24
TP25
TP23
TP22
C10
TP7
TP1
TP9
C1
R35
R31
R26
TP26
TP27
R30
R27
R34
R41
TP30
TP19
TP18
C35
Q5
R36
R42
C38
C37
C34
R38
R39
C31
C36
C33
R48
R49
C39
TP29
TP32
TP31
TP37
C48
C47
R55
R57
TP50
C46
C45
C44
C43
C40
C41
IC1
Q10
CN3
TP102
TP101
BP4
C26
C29
C30
C27
C2
R47
TP43
TP42
TP41
TP40
TP44
TP45
TP46
TP39
TP47
TP48
TP36
TP35
TP34
TP33
TP38
TP10
TP11
TP13
TP57
C16
R1
CN1
M102
Q1
IC6
NJM12904
0.1
0.001
22
10V
TK71520ASCL
10
10V
0.1
10
10V
1k
1.2k
10
10V
10k
10k
10k
10k
10k
10k
MA8056-TX
1SS355TE-17
10k
0.1
10 10V
0.1
0.1
10k
10k
10k
10k
10k
10k
10k
10k
10k
910
10
10V
1.2k
NJU7034V-T
E2
NJU7034V-T
E2
10
10V
10
10V
0.1
1k
1k
10k
10k
10k
1k
1k
0.1
DTC143XKA-
T146
1.2k
680
1
1
4p
0
0
1
0.1
10
10V
75k
75k
1
220p
100p
15k
39k
0.01
68p
10
10V
0.1
0.01
0.1
LA9246T
2SC4617TL-
Q
2P
0.1
22
10V
0.1
0.1
0.001
3.3k
0.1
10
13P
2SA1037AK-
T146-QR
BA5918FP-Y
A1
A2
A3
A4
A5
A6
A7
A8
A9
B1
B2
B3
FCS(+)
FCS(-)
FCS(-)
FCS(+)
TRK(+)
TRK(-)
TRK(-)
TRK(+)
T1
T2
T3
T4
T5
T6
T7
T8
T9
T10
T11
T12
T13
T14
T15
T15
BHC
PHC
RFAD
GND
RFA-
RFA+
FIN1
FIN2
E
F
REFI
VREF
LDD
LDS
LDON
GHS
BHH
EQS
FCS(-)
TRK(+)
FCS(+)
GND
VCC
E
F
PD
LD
RF
B
A
TRK(-)
+V
V-
V
0
4
+
V
04-
V
03+
V
0
3-
V
C
C
G
N
D
O
PIN
+
O
P
IN
-
O
P
O
U
T
VIN
3
V
IN
3
V
VIN
4
+V
V-
GND
VDD VOUT
(1/3)
(SLED)
RF AMP,
FOCUS/TRACKING ERROR AMP
LD ON
BUFFER
AMP
TRACKING
OFFSET
AUTOMATIC
POWER
CONTROL
FOCUS/TRACKING
COIL DRIVE,
SLED MOTOR DRIVE
STANDBY
SWITCH
SL+
SL-
GND
VCC
+2V REGULATOR
V
C
C
B
IA
S
V
IN
1
V
IN
2
V
V
IN
2
G
N
D
G
N
D
S
TBY
VC
C
V
0
2-
V
02
+
V
0
1-
V
01
+
PH
BH
VCC1
RFSM
RHLD
GND2
REFL
FE-
FE
TE-
TE
TSS
TS
VCC2
TSH
FBAL
TBAL
SGC
BP5
(Page 35)
(Page 36)
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque
0
sont
critiques pour la sécurité.
Ne les remplacer que
par une pièce portant le numéro spécifié.
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