Ic Block Diagrams - Sony HCD-DR7AV Service Manual

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7-39. IC BLOCK DIAGRAMS

• MAIN (1/5) section
IC181 MC14052BF
2X0 1
2X2 2
2XCOM 3
2X3 4
2X1 5
INH 6
VEE 7
VSS 8
IC191 BA7615N
MUTE
1 2 4 5
3
• PANEL VR section
IC851 M65850P
14 13
OSCILLATOR
1/2 VCC
CLOCK
AUTO
RESET
RESET
D1
LPF1
1 2
16 VDD
15 X2
14 X1
13 XCOM
12 X0
11 X3
10 A
9 B
75Ω
8db
LOGIC
6 7 8 9 10
12 11 10 9 8
D/A LPF2
DO1
MO
MAIN 20KBIT
CONTROL
SRAM
MI
DO0
A/D
3 4 5 6 7
18/2/2013
• PANEL FL section
IC603 BA3830F
R02
1
P01
2
LINE
3
NF
LINE
4
IN
REC 5
NF
REC 6
IN
RESET 7
C
BIAS 8
C
GND1 9
IC604 NJU3716L
DATA 13
CLK
14
VDD
24
STB
15
CLR 16
– 103 –
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REFFERENCE
RESET
CURRENT
REFFERENCE
CURRENT
BPF
BPF
BPF
BPF
BPF
BPF
Bias
CONTROL
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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
1 P7
2 P8
3 P9
4 P10
5
P11
7 P12
8
P13
9 P14
10 P15
11
P16
12 SO
6
GND
18 GND