Sony ICF-CD523 Service Manual page 27

IC501 CXA1992BR
38 37
39
PD 2 PD 1 PD
AMP
I-V AMP I-V AMP
VCC
IFB1 – IFB6
FE
40
BIAS
VEE
F I-V
F
41
AMP
E I-V
TGFL
E
42
AMP
EI
43
VEE
VEE 44
TEO 45
LPFI 46
TEI 47
ATSC 48
TZC 49
TM1
DFCT
TDFCT 50
VC
51
FZC 52
FOCUS PHASE
COMPENSATION
FS4
DFCT
1 2 3
36 34
35
LD
AMP
RF SUMMING
AMP
LASER
POWER
CONTROL
FOCUS BIAS
FOCUS ERROR
WINDOW
AMP
COMPARATOR
TGH
TRACKING GAIN
WINDOW
TGL
COMPARATOR
BALH
BALL
ATSC
E-F BALANCE
WINDOW
COMPARATOR
ATSC
WINDOW
COMPARATOR
TZC
COMPARATOR
TRACKING PHASE
COMPENSATION
TG1
FZC
COMPARATOR
CHARGE UP
FS2
4 5 6 7 8
33 32 31 30
FOCUS OK
COMPARATOR
PEAK/BOTTOM MIRR
HOLD
COMPARATOR
PEAK/BOTTOM
HOLD
IIC DATA REGISTER, INPUT SHIFT REGISTER,
ADDRESS DECODER, SENSE SELECTOR,
OUTPUT DECODER
VCC
CENTER
VOLTAGE
TM7
GENERATOR
VCC
VEE
FS1
TG2
VEE
9 10
ICF-CD523
29 28 27
IIL
↓
TTL
DEFECT
AMP
IIL
↓
TTL
TTL
↓
IIL
VCC
VCC
ISET
TM6
TM5
TM2
VEE
VCC
TM4
FSET
TM3
VEE
11 12 13
SENS2
26
25 SENS1
24 C. OUT
23 XRST
DATA
22
21 XLT
20 CLK
19 LOCK
18 VCC
17 ISET
16 SL O
15 SL M
14 SL P
27