Ic Block Diagrams - Sony HCD-DR8AV Service Manual

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7-39.

IC BLOCK DIAGRAMS

• MAIN (1/5) section
IC181 MC14052BF
16
2X0 1
15
2X2 2
14
2XCOM 3
13
2X3 4
12
2X1 5
6
INH 11
VEE 7 10
VSS 8 9
IC191 BA7615N
MUTE
75Ω
8db
LOGIC
1 2 3 4 5 6 7 8 9 10
• PANEL VR section
IC851 M65850P
14 13 12 11 10
OSCILLATOR
D/A
1/2 VCC
CLOCK DO1
MO
AUTO
MAIN
RESET
RESET
CONTROL
MI
D1 DO0
A/D
LPF1
2 3 5 6
1 4
VDD
X2
X1
XCOM
X0
X3
A
B
9 8
LPF2
20KBIT
SRAM
7
— 103 —
• PANEL FL section
IC603 BA3830F
R02 REFFERENCE
1
CURRENT
REFFERENCE
P01 2
CURRENT
LINE BPF
3
NF
BPF
LINE
4
IN
BPF
REC 5
BPF
NF
BPF
REC 6
IN
BPF
RESET 7
C
BIAS 8
Bias
C
GND1 9
IC604 NJU3716L
DATA 13
CLK 14
VDD
24
STB
15
CONTROL
CLR
16
RESET 18 RESET
17 f01
DET
16 f02
DET
15 f03
DET
14 f04
DET
DET
13 f05
DET
12 f06
DET
11 REC
LEVEL
10 VCC
17 P1
19
P2
20 P3
21 P4
22 P5
23 P6
P7
1
2 P8
3 P9
4 P10
5
P11
7 P12
8 P13
9 P14
10
P15
11 P16
12 SO
6 GND
18
GND