Ic Block Diagrams - Sony HCD-C5 Service Manual

HCD-C5

6-20. IC BLOCK DIAGRAMS

IC301 M62428AFP600C (AUDIO BOARD)
AVDD
VREFI 1
SUR R 2
SURROUND SW
AGND
SUR C 3
IN1A
4
IN1B
A B
B A
5 –
+
IN1C
BUFF
6
AMP1
IN1D
MIX
MIX
7
AMP1 AMP2
REC OUT1 8
INBAS1 9
BASS
AMP1
NFBAS1 10
FBAS1 11
FTRE1 12
TONE
TONE
AMP1
AMP2
TONE OUT1 13
VOL IN1 14
BASS BOOST SW
FBB1 15
NFBB1 16
FIN
BB FIN
AMP2
AMP1 AMP1
INBB1 17
OUT1 18
DGND 19
LATCH 20 CPU
INTERFACE
DATA 21
IC102 BA5982FP-E2 (BD (CD) BOARD)
BIAS IN
1
OPIN1 + 2
OPIN1 – 3
10k
10k
OPOUT1 4
10k 10k
OPIN2 + 5
OPIN2 – 6
10k 10k
OPOUT2 7
20k
10k
8
GND
STAND BY STAND BY
STBY1 9
CH1 2 3
PowVcc1 10
Vcc
10k 10k
VO2 (–) 11
10k
Level Level
Shift Shift
VO2 (+) 12
10k
10k 10k 10k 10k
VO1 (–) 13
10k Level Level
Shift Shift
VO1 (+) 14
10k
10k 10k
REF AMP VREF
42 AGND
–
+
41 VREFO
MIC
AMP – 40 MIC IN
+
39 IN2A
–
38 IN2B
+
BUFF
AMP2 37 IN2C
36 IN2D
35 REC OUT2
34 INBAS2
BASS
AMP2
33 NFBAS2
32 FBAS2
31 FTRE2
30 TONE OUT2
29 VOL IN2
BASS BOOST SW
28 FBB2
27 NFBB2
BB
AMP2
26 INBB2
25 OUT2
24 AVDD
23 DVDD
22 CLK
PreVcc
28
Vcc
27 OPIN4 +
26 OPIN4 –
25 OPOUT4
24 OPIN3 +
23 OPIN3 –
22 OPOUT3
21
GND
20 STBY2
CH4
PowVcc2
19
Vcc
18 VO3 (–)
10k
17 VO3 (+)
10k
16 VO4 (–)
10k
15 VO4 (+)
10k
IC101 CXD3068Q (BD (CD) BOARD)
64 64
IC103 CXA2581N-T4 (BD (CD) BOARD)
RW/ROM
30
29
A
–
–
B
+
28
+
C
DVC
D
DVC
VCC
VC
DVC
– RW/ROM
VOFST 27
+
VC
VC
LD 1 26
EQ 25
PD 2 APC AMP 24
EQ ON/OFF
RFAC
EQ IN 3 23
VCA
RW/ROM
VCC 22
RFAC
AC SUM 4 SUMMING
AMP
VOFST 21
B
C
–
GND 5 –
A
+
20
+
D
A B C D
DVC
A
A 6
B
VC
B 7
C
C 8
RW/ROM
D
D 9 19
RW/ROM
E 10 GM
–
18
+
F 11 GM
VC
APC-OFF
RW/ROM
(Hi-Z)
SW 12
RW/ROM
RW/ROM
(H/L)
DVCC 13
B
17
DVC VOFST
D
–
DVC 14 –
A
+
16
+
C
DVC
VC
RW/ROM
RFAC 15
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE