Sony HCD-M80 Service Manual page 40

HCD-M80
• IC Block Diagrams
– BD Board –
IC103 CXA2581N-T4
DVC
–
VOFST
+
VC
VC
LD 1
PD 2
APC AMP
EQ IN 3
RFAC
AC SUM 4 SUMMING
AMP
GND 5
B C D
A
A
A 6
B
B 7
C
C 8
D
D 9
E 10
GM
F 11 GM
APC-OFF
(Hi-Z)
SW 12
RW/ROM
(H/L)
DVCC 13
B
DVC
D
DVC 14
A
C
RFAC 15
40
RW/ROM
A
–
–
B
+
+
C
DVC
D
DVC
VCC
VC
RW/ROM
EQ
EQ ON/OFF
RFAC
VCA
RW/ROM
VCC
VOFST
B
C
–
–
A
+
+
D
DVC
VC
RW/ROM
RW/ROM
–
+
VC
RW/ROM
RW/ROM
VOFST
–
–
+
+
DVC
VC
RW/ROM
– VMP Board –
IC301 BA7046F
H. OSC 1 H. OSC
30 DC OFST
29 RFDCI
2
HD
28 RFDCO
SYNC 3
4 V. SEPA
VD
27 VC
26 RFC
25 VFC
24 BST
IC303 NJM2255 (TE2)
23 RFG
8
22 VCC
21 CEI
20 CE
HUE ADJUST
19 TE BAL
1
18 TE
17 FEI
16 FE
PHASE
PHASE
8
COMP
COMP
7
VCC
SYNC
6 VIDEO
SEPA
5
GND
5
7 6
SATURATION
+Ø
ADJUST
(COLOR BURST)
SATURATION
ADJUST
–X (COLOR BURST)
4
2 3