Ic Block Diagrams - Sony HCD-RXD3 Service Manual

6-14.

IC BLOCK DIAGRAMS

— CD DECORD SECTION —
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
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
FOCUS PHASE
COMPENSATION
FS4
DFCT
1 2 3 4
36 34 33 32
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
5 6 7 8
— 45 —
31 30 29
FOCUS OK
COMPARATOR
PEAK/BOTTOM
MIRR
HOLD COMPARATOR
DEFECT
PEAK/BOTTOM
AMP
HOLD
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
26
IIL
↓
25
TTL
24
23
22
TTL
↓
21
IIL
20
19
VCC 18
VCC
ISET 17
TM6
16
15
14
TM5
TM2
VEE
VCC
TM4
TM3
VEE
12 13
SENS2
SENS1
C. OUT
XRST
DATA
XLT
CLK
LOCK
VCC
ISET
SL O
SL M
SL P