Ic Block Diagrams - Sony HCD-RXD7AV Service Manual

7-17.

IC BLOCK DIAGRAMS

CD DECORD Board)
IC701 CXA1992BR (
38 37
39
PD 2 PD 1 PD
I-V AMP I-V AMP AMP
VCC
IFB1 – IFB6
FE
40
BIAS
VEE
F I-V
F
41
AMP
E I-V TRACKING GAIN
TGFL
E
42
AMP
EI 43
VEE
VEE 44
TEO 45
E-F BALANCE
46
LPFI
COMPARATOR
TEI
47
ATSC 48
COMPARATOR
TZC 49
COMPARATOR
TM1
DFCT
TDFCT 50
VC 51
FZC 52
FOCUS PHASE
COMPENSATION
FS4
DFCT
1 2 3 4
36
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36 34 33 32
35
LD
AMP
RF SUMMING
AMP
LASER
POWER
CONTROL
FOCUS BIAS
FOCUS ERROR
WINDOW
AMP
COMPARATOR
TGH
WINDOW
TGL
COMPARATOR
BALH
BALL
ATSC
WINDOW
ATSC
WINDOW
TZC
TRACKING PHASE
COMPENSATION
TG1
FZC
COMPARATOR
CHARGE UP
FS2
5 7
6 8
31 30 29
FOCUS OK
COMPARATOR
PEAK/BOTTOM
MIRR
HOLD
COMPARATOR
PEAK/BOTTOM DEFECT
HOLD AMP
IIC DATA REGISTER, INPUT SHIFT REGISTER,
ADDRESS DECODER, SENSE SELECTOR,
OUTPUT DECODER
VCC
CENTER
VOLTAGE
TM7
GENERATOR
VCC
VEE
FS1
FSET
TG2
VEE
9 10 11
28 27
IIL
↓
TTL
SENS2
26
IIL
↓
25 SENS1
TTL
24 C. OUT
23 XRST
22 DATA
TTL
↓
21 XLT
IIL
CLK
20
19 LOCK
18 VCC
VCC
VCC
ISET 17 ISET
TM6
16 SL O
15 SL M
14 SL P
TM5
TM2
VEE
VCC
TM4
TM3
VEE
12 13