Read Sony HCD-XGR90AV / LBT-XGR90AV Service Manual online
54
HCD-XGR90AV
IC321
µ
PC1330HA (MAIN BOARD (3/3))
IC103 CXA2581N-T4 (BD BOARD)
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1
CONT
GND
VCC
SW P2
GND
SW R2
27
29
30
4
3
EQ IN
9
D
10
F
E
8
C
7
B
6
A
AC SUM
DC_OFST
RFDCI
28 RFDCO
VC
24 BST
25 VFC
CEI
EQ
APC
5
GND
AC
SUM
26 RFC
AC
VCA
23 RFG
22 VCC
20
21
CE
19 TE_BAL
18 TE
17 FEI
16 FE
1
LD
2
PD
11
SW 12
13
DVCC
14
DVC
15
RFAC
VC
EQ
ON/OFF
VC
VC
VC
VC
DVC
DVC
APC-OFF(Hi-Z)
RW/ROM
(H/L)
DVC
DVC
AVC
DVCC
VC
DVC
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
DVCC
VCC
VCC
VCC
VOFST
VOFST
VOFST
B
C
A
D
gm
gm
DVCC
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