Sony MEX-BT3800U - Bluetooth Audio System Service Manual - Page 36

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Sony MEX-BT3800U - Bluetooth Audio System Service Manual
MEX-BT38UW/BT3800U/BT3807U/BT3850U
IC851 TPS40200DRG4
RC
1
SS
2
SOFT-START
OVERCURRENT
COMP
3
FB
4
– KEY Board –
IC901 LC75829PWH-US-H
64
63
62
61
CCB INTERFACE
SHIFT REGISTER
P1/S1
1
2
P2/S2
3
P3/S3
CONTROL
4
REGISTER
P4/S4
5
S5
6
S6
7
S7
8
S8
9
S9
10
S10
11
S11
12
S12
13
S13
14
S14
S15
15
16
S16
17 18
19 20
36
UVLO
OSC
E/A AND SS
REFFERENCE
AND
700mV
ENABLE E/A
59 58 57 56
54 53
52 51
60
55
COMMON
DRIVER
CLOCK
GENERATOR
SEGMENT DRIVER & LATCH
21 22 23 24 25 26 27 28
29 30 31 32
PWM
LOGIC
DRIVER
50 49
48 S48
47 S47
46 S46
45 S45
44 S44
43 S43
42 S42
41 S41
40 S40
39 S39
38 S38
37 S37
36 S36
35 S35
34 S34
33 S33
8
VDD
7
ISNS
6
DRV
5
GND