Control Part - Philips AZ7381 Service Manual
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Also See for AZ7381:
- Service manual (31 pages) ,
- User manual (9 pages) ,
- Instructions for use manual (22 pages)
Table of Contents
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1
2
3
CONTROL PART
A
Resume/Hold
1418
SSSS2-13
4
3
2
D
B
ACCU_IN
CHG_ON
DCDTB
BATIN
C
POWER
LOBAT
PWM_DM
RESET
MUTE_S
D
E
F
Start-up circuit
DCDTB
KIN2
G
3421
2404
KIN3
1M
1n
H
I
V
EVM
DC Voltages measured in
PLAY-mode, ESA off
Set supplied via mains adapter
1
2
3
4-4
4
5
6
+uP
+uP
1430
1401
ESE11SH1
DOOR
1
+uP
uP
+uP
3423
1M
3.0V
3425
2405
7405
1M
BC857B
1n
2.5V
3.0V
2.5V
0V
7404
BC847B
uP
uP
uP
4
5
6
7
8
9
from/to membrane assembly
80
79
78
77
76
75
74
1
1.5V
LCD - DRIVER
2
1.5V
3
7400
1.5V
TMP87CH20F
4
1.5V
5
6
7
8
0V
9
VLC
uP
10
uP
11
12
3.0V
2411
RESET
13
22p
5400
uP
14
CLOCK
4.23
2412X
15
3430
uP
VSS
22p
1k
16
3.0V
17
1.8V
18
19
16
20
21
3.2V
22
uP
23
24
I/O PORT P0
25
26
27
28
29
30
31
7
8
9
4-4
10
11
12
+uP
ESD
3401
220k
3402
220k
3403
220k
73
72
71
70
69
68
67
66
65
64
63
62
61
60
2.0V
KO3
ROM
59
0.2V
KO2
58
KO1
0.2V
RAM
57
2.0V
KIN3
56
3.0V
KIN2
16 BIT
55
KIN1
3.0V
TIMER/COUNTER
54
0.7V
PWM_IN
53
MUTE_S
WATCHDOG
TIMER
52
uP
TEST
51
1.8V
50
2.6V
49
2.4V
3431
48
100
47
3432
100
46
2.5V
45
2.2V
44
43
3.0V
42
3.0V
+uP
41
0V
VDD
I/O PORT P1
32
33
34
35
36
37
38
39
40
+uP
uP
uP
10
11
12
13
1401 A 6
1418 A 2
1430 A 5
2404 G 2
2405 G 3
2407 H11
2410 F 6
SERVICE TEST
A
2411 E 7
2412X E 7
2413 E 5
COM 3
3376 H12
3.8V
3377 H12
3401 B11
TB 5ms/Div
3402 B11
3403 B11
3404 A 3
Pin 6
3405 A 4
3.8V
3417 H 3
3420 E 5
3421 G 3
TB 5ms/Div
B
3423 F 4
3424 G 5
3425 G 4
3430 F 7
3431 F12
3432 F12
5400 E 7
7400 C 8
7404 G 4
7405 G 5
C
D
E
DBB
MUTE
BEEP
SDA
F
SCL
RA
SILD
STATUS
G
PORES
CL4
H
YMCLK
YMDATA
YMLD
ZSENSE
NPC_RES
PWM_IN
I
MABEL3A/4A - PB2 Control Part 19980318
13
CS 46 529
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