Audio Board Section - Sony HCD-GR5 Service Manual

- AUDIO BOARD Section -

IC602 uPC1330HA
1 2 3
SW R1 GND SW P1 CONT
IC901 M62427FP
64 63 62
65
KEY IN2
66
BPF OUT
BPF IN 67
NC8 68
69
IN 2B
70
NC9
71
IN 2A
72
AVSS
AGND 73
74
IN 1A
75
NC1
76
IN 1B
NC2 77
DELAY IN 78
DELAY OUT 79
KEY IN1 80
3
1 2
INVERTER
COMPARATER
4 5 6 7 8
GND VCC SW P2 GND
61 60 59 58 57 56 55
54
–
+
+
–
–
+
+
–
+
–
SBAND GRAPHIC EQUALIZER
5 6 7 8 9 10 11
4
9
SW R2
52
53 51 50 49 48 47
SBAND GRAPHIC EQUALIZER
+
–
–
+
–
+
–
+
13 14 15 16 17
12 18
— 69 —
46
45 44 43
42 41
40
BB22
39
+ BUF IN1
–
38
BUF OUT1
37 NC5
36
AVDD
+
–
35
DGND
34
LATCH
U-CON
33
INTER DATA
FACE
32 CLOCK
31
DVDD
30
PORT C
–
+
29 PORT B
28 PORT A
27 BUFOUT1
–
+
26 BUFIN1
25 BB21
19 20
23 24
21 22