Sony MHC-NX1 Service Manual - Page 76

Ic103, Cxa2568m-t6, Clamp Motor/load Motor Board, Ic701, M54641l Clamp Motor Board, Ic702, M54641l

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IC103 CXA2568M-T6 HOLD 1 APC PD AMP + - VEE + - VEE AGC VTH 2 LD 3 PD 4 + - VCC APC LD AMP + - + - 50µA VCC VC VCC 24 VCC 23 LC/PD 22 LD ON 21 HOLD SW 20 AGC CONT 19 RF BOT + - + - + - A5 B6 C7 D8 VEE 9 VEE VC + F 10 - E 11 VC VC 12 - + VC BUFFER VC - + VC - + VC VC VEE RF SUMMING AMP + VC - VC RF EQ AMP + - FOCUS ERROR AMP + - VC VEE VCC - + TRACKING ERROR AMP VC 18 RFTC 17 RF I 16 RF O 15 RFE 14 FE 13 TE - CLAMP MOTOR/LOAD MOTOR Board - IC701 M54641L (CLAMP MOTOR Board) IC702 M54641L (LOAD MOTOR Board) VCC 1 OUT2 2 IN1 3 GND 4 REG INPUT AMP. CONTROL 8 VCC POWER AMP. INPUT AMP. 7 OUT1 POWER AMP. 6 IN2 5 REFERENCE - AUDIO Board - IC602 µPC1330HA INVERTER COMPARATER 1 2 3 4 5 6 7 8 9 SW R1 GND SW P1 CONT GND VCC SW P2 GND SW R2 33

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33
IC103
CXA2568M-T6
APC PD AMP
APC LD AMP
RF SUMMING AMP
RF EQ AMP
FOCUS ERROR AMP
TRACKING
ERROR AMP
VC BUFFER
VCC
50
μ
A
VEE
VEE
VC
VC
VC
VC
VC
VC
VC
VC
VC
VC
VCC
VEE
VCC
VEE
VEE
VC
VCC
LC/PD
LD ON
HOLD SW
AGC CONT
RFTC
RF I
RF O
RFE
TE
FE
RF BOT
HOLD
AGC VTH
LD
PD
A
B
C
D
VEE
F
E
VC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
+
–
+
–
+
–
+
–
+
–
+
–
+
–
VCC
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
+
–
REG
CONTROL
INPUT
AMP.
INPUT
AMP.
1
2
3
4
5
6
7
8
POWER AMP.
POWER AMP.
VCC
OUT1
IN2
REFERENCE
GND
IN1
OUT2
VCC
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1
CONT
GND
VCC
SW P2
GND
SW R2
– CLAMP MOTOR/LOAD MOTOR Board –
IC701
M54641L (CLAMP MOTOR Board)
IC702
M54641L (LOAD MOTOR Board)
– AUDIO Board –
IC602
μPC1330HA