Ic Block Diagrams - Sony HCD-RXD6AV 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
CONTROL
IFB1 – IFB6
FE
40
BIAS
FOCUS ERROR
VEE
F I-V
F 41
AMP
TRACKING GAIN
E I-V
TGFL
E
42
AMP
COMPARATOR
EI 43
VEE 44 VEE
TEO
45
E-F BALANCE
LPFI 46
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 5
36
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36 35 34 33 32
LD
AMP
RF SUMMING
AMP
LASER
POWER
FOCUS BIAS
WINDOW
AMP
COMPARATOR
TGH
WINDOW
TGL
BALH
BALL
ATSC
WINDOW
ATSC
WINDOW
TZC
TRACKING PHASE
COMPENSATION
TG1
FZC
VCC
COMPARATOR
CHARGE UP
FS2
VEE
6 7 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
VEE
FS1
FSET
TG2
9 10 11 12
28 27
IIL
↓
TTL
26 SENS2
IIL
↓
SENS1
25
TTL
24 C. OUT
23 XRST
DATA
22
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
13