Read Sony MEX-BT3800U / MEX-BT3807U / MEX-BT3850U / MEX-BT38UW Service Manual online
MEX-BT38UW/BT3800U/BT3807U/BT3850U
36
IC851 TPS40200DRG4
– KEY Board –
IC901 LC75829PWH-US-H
1
2
RC
GND
DRV
ISNS
VDD
SS
3
COMP
4
FB
SOFT-START
AND
OVERCURRENT
700mV
ENABLE E/A
E/A AND SS
REFFERENCE
REFFERENCE
7
8
6
5
UVLO
OSC
PWM
LOGIC
DRIVER
48 S48
47 S47
46 S46
45 S45
44 S44
43 S43
42 S42
41 S41
40 S40
39 S39
47 S47
46 S46
45 S45
44 S44
43 S43
42 S42
41 S41
40 S40
39 S39
19
S19
20
S20
17
S17
18
S18
21
S21
22
S22
23
S23
24
S24
25
S25
26
S26
27
S27
28
S28
3
P3/S3
4
P4/S4
1
P1/S1
2
P2/S2
5
S5
6
S6
7
S7
8
S8
9
S9
10
S10
11
S11
12
S12
52
COM3
51
S51/COM4
59
VSS
58
VDD2
57
VDD1
56
VDD
64
DI
63
CL
62
CE
60
S53/OSCI
55
S52
61
INH
COMMON
DRIVER
CLOCK
GENERATOR
CCB INTERFACE
SHIFT REGISTER
CONTROL
REGISTER
SEGMENT DRIVER & LATCH
13
S13
14
S14
15
S15
16
S16
29
S29
30
S30
31
S31
32
S32
38 S38
37 S37
36 S36
35 S35
34 S34
33 S33
37 S37
36 S36
35 S35
34 S34
33 S33
50
S50
49
S49
54
COM1
53
COM2
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