Tel 13942296513 - Sony HD-XB4K Service Manual

QQ
3 7 63 1515 0
• IC Block Diagrams – MAIN Section –
IC201 M62427FP
64 63 62 61
65
KEY IN2
–
66
BPF OUT
+
BPF IN 67
68
NC8
69
IN 2B
70
NC9
IN 2A 71
AVSS 72
73
AGND
74
IN 1A
75
NC1
76
IN 1B
NC2 77
78
DELAY IN
+
–
DELAY OUT 79
KEY IN1 80
TE
L 13942296513 3
1 2 4
IC281 µPC1237HA
OVER LOAD DET
OFFSET DET
LATCH/
AUTORESET
AC OFF
DET
1 2 3 4
www
.
http://www.xiaoyu163.com
60 59 58 57 56 55 54 53
SBAND GRAPHIC EQUALIZER
+
–
– –
+ +
+
–
SBAND GRAPHIC EQUALIZER
5 6 7
8 9 10 11 12
V ON
CC
F/F
MUTE
V
CC
5 6 7 8
x ao
y
i
http://www.xiaoyu163.com
8
52
51 50 49 48 47 46 45
+
–
+
–
–
+
–
+
–
+
Q Q
3 6 7 1 3
13 14 15 16 17 18 19 20
u163
.
– 78 –
2 9 9 4 2 8
44 43 42 41
40
BB22
39
BUF IN1
38 BUF OUT1
37
NC5
36
AVDD
+
–
35
DGND
34 LATCH
U-CON
INTER 33 DATA
FACE
32
CLOCK
31
DVDD
30 PORT C
–
+
29
PORT B
28 PORT A
27 BUFOUT1
26
BUFIN1
BB21
25
1 5 0 5 8 2 9 9 4
23 24
21 22
m
co
9 9
2 8 9 9