Cxa1992Ar (Bd Board) - Sony HCD-GR8 Service Manual

IC101 CXA1992AR (BD BOARD)
39
PD2 IV PD1 IV
AMP AMP
FE_BIAS
40
F 41 –
+
F IV AMP
E 42
–
+
E IV AMP
43
EI
VEE
VEE 44
TEO 45
+
–
E-F BALANCE
46 WINDOW COMP.
LPFI +
+
–
–
TEI 47
–
+
ATSC 48
–
+
ATSC
WINDOW
COMP.
49
TZC –
+
TZC COMP.
TDFCT 50
VCC
51
VC
VEE
VCC
FZC 52
+
–
FZC COMP.
1
38 37 36 35
VEE
VCC
APC
VEE
LASER POWER CONTROL
VCC
FE AMP
VEE
FO. BIAS
WINDOW
COMP.
+
–
+ TRK. GAIN
–
WINDOW COMP.
+
–
DFCT
TM1
TRACKING
PHASE COMPENSATION
TG1
FOCUS
PHASE COMPENSATION
DFCT
FS4
2 3 4 5
34 33 32 31
–
+
RF SUMMING
AMP
VCC
+
–
+
VEE
–
LEVEL S
VEE
VCC
MIRR
FOK
FOH
FOL
TGH
IIL DATA REGISTER
TGL
INPUT SHIFT REGISTER
BALH
ADDRESS DECODER
BALL
SENS SELECTOR
ATSC
OUTPUT DECODER
TZC
FZC
DFCTO IFB1-6
BAL1-4
TOG1-4
VCC
FS1
FS2
Charge
up
VEE
6 7 8 9
– 84 –
30 29 28
VCC
VEE
DFCT
IIL
↓
TTL
FS1-4 TG1-2 TM1-7 PS1-4
VCC
TM4
TM7
TM3
VEE
FSET
TG2
10 11 12
27
SENS2
26
IIL
↓
25 SENS1
TTL
24 C. OUT
XRST
23
22 DATA
TTL
↓
21 XLT
IIL
20 CLK
19 LOCK
VCC 18 VCC
ISET 17 ISET
VCC
16 SL_O
TM6
15 SL_M
TM5
SL_P
14
VEE
TM2
13