Ic Block Diagrams - Sony CDX-737 Service Manual

• IC Block Diagrams

– RF Board –
IC11 CXA1992BR
38
39
PD 2 PD 1
I-V AMP I-V AMP 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
49
TZC
TM1
DFCT
TDFCT 50
VC 51
FZC 52
COMPENSATION
FS4
DFCT
1 2 3
37 36 34
35
LD
PD
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
FOCUS PHASE
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
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
26 SENS2
SENS1
25
24 C. OUT
XRST
23
22 DATA
21 XLT
CLK
20
19 LOCK
18 VCC
17 ISET
16
SL O
SL M
15
SL P
14
29