Sony HCD-W550 Service Manual page 14

IC101 CXA1992AR
39
PD2 IV PD1 IV
AMP AMP
FE_BIAS
40
F 41
–
+
F IV AMP
E 42 –
+
E IV AMP
EI 43
VEE
VEE 44
TEO 45
+
–
E-F BALANCE
46 WINDOW COMP.
LPFI +
+
–
–
TEI 47
–
+
ATSC 48
–
+
ATSC
WINDOW
COMP.
TZC 49
–
+
TZC COMP.
TDFCT 50
VCC
VC 51
VEE
VCC
FZC 52
+
–
FZC COMP.
1
IC701 M54641L
VCC
1
REG
INPUT
IN1
3
AMP.
CONTROL
INPUT
IN2
6
AMP.
4
GND
38 37 36 35
VEE
VCC
APC
VEE
LASER POWER CONTROL
VCC
FE AMP
VEE
FO. BIAS
WINDOW
COMP.
+
–
+
TRK. GAIN
–
WINDOW COMP.
+
–
DFCT
TM1
TRACKING
PHASE COMPENSATION
TG1
FOCUS
PHASE COMPENSATION
DFCT
FS4
2 3 4 5
VCC
8
5 REFERENCE
POWER
2 OUT2
AMP.
POWER
OUT1
7
AMP.
34 33 32 31
–
+
RF SUMMING
AMP
VCC
+
–
+
VEE
–
LEVEL S
VEE
VCC
MIRR
FOK
FOH
FOL
TGH
IIL DATA REGISTER
TGL
INPUT SHIFT REGISTER
BALH
ADDRESS DECODER
BALL
SENS SELECTOR
ATSC
OUTPUT DECODER
TZC
FZC
DFCTO
IFB1-6
BAL1-4
TOG1-4
VCC
FS1
FS2
Charge
up
VEE
6 7 8 9
IC602 UPC1330HA
1 2 3
SW R1 GND SW P1
— 39 —
30 29 28
VCC
VEE
DFCT
IIL
↓
TTL
FS1-4 TG1-2 TM1-7 PS1-4
VCC
TM4
TM7
TM3
VEE
FSET
TG2
10 11 12
INVERTER
COMPARATER
4 5 6 7
CONT GND VCC SW P2
27
SENS2
26
IIL
↓
25 SENS1
TTL
24 C. OUT
XRST
23
22 DATA
TTL
↓
21 XLT
IIL
20 CLK
19 LOCK
18 VCC
VCC
ISET 17 ISET
VCC
16 SL_O
TM6
SL_M
15
TM5
14 SL_P
VEE
TM2
13
8 9
GND SW R2