7 - 1
7 - 1
LCD / KEY BOARD - CIRCUIT DIAGRAM
TUNER
REPEATALL
RDS
CD
SLEEP
PROGRAM
SHUFFLE
MP3CD
STEREO
CONTROLLER
INPUT
DISPLAY
SHIFT REGISTER
DISPLAY LATCH
DISPLAY SEGMENT OUTPUTS
R
R
R
GENERATOR
BIAS
LCD
SELECTOR
VOLTAGE
LCD
OUTPUTS
BACKPLANE
COUNTER
ADDRESS
SUB-
POINTER
DATA
SELECTOR
SELECTOR
BANK
OUTPUT
24x4 BITS
RAM
BANK
12C BUS
FILTERS
INPUT
DECODER
COMMAND
RESET
ON
POWER-
CONTROLLER
DISPLAY
OSCILLATOR
TIMING
BLINKER
DEM
BAND
PASS
CTRL
CIRCUIT
AGC
INP
PIN
KEY GROUP 1
IR RECEIVER
0V
4V
Communication
EEPROM_DATA
EEPROM_CLK
+B
+C
D_GND
RC5
D_GND
KEY_G1
VSS
KEY_G2
FRONT BOARD
To / From
KEY GROUP 2
LCD DRIVER
BACK_LIGHT
LCD / KEY BOARD
VSS
CD_KEY
BOARD
T
o / From
Value Re-adjust
*
*
BACK LIGHT
*
*
RDS
Option
CD
PRG
PRE-UP
PRE-DWN
BAND
SER-DWN
SER-UP
SLEEP
T484 I4
T485 J4
T486 J4
T487 I13
T488 I13
3418 K10
3419 K13
3420 L13
3917 I14
3919 C6
3920 C6
3921 D6
3922 D7
3923 I7
3924 I8
3925 K14
3953 G9
3954 H8
3955 H8
3960 L7
3961 L7
4406 K5
4407 L5
5406 G5
7406 F7
7407 K10
7408 A13
T409 I4
T410 K13
T411 K10
T413 I4
T414 J4
T415 J4
T416 I4
T417 J4
T418 I4
T419 K4
G
H
I
J
K
L
M
1408 K6
1409 K7
1410 L8
1411 K8
1412 K8
1413 L7
1414 L6
1415 L6
1418 L8
1427 H3
1428 K6
1430 I13
2406 H6
2407 L10
2408 L14
2409 H7
2410 I14
3406 G6
3407 G6
3408 H7
3409 K6
3410 K7
3411 K7
3412 K8
3415 L6
4
5
6
7
8
9
10
11
12
13
14
15
16
A
B
C
D
E
F
G
H
I
J
K
L
M
A
B
C
D
E
F
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
8
9
1427
FE-ST-VK-N
1
10
11
2
34 35 36 37 38 39
4
40 41 42 43 44
5
6 7
2
20 21 22 23 24 25 26 27 28 29
3
30 31 32 33
1
10 11 12 13 14 15 16 17 18 19
2K2
3961
TTD5695
7408
EH-B
1
2
3960
1K8
10K
3955
1430
150K
33K
3954
T484
3953
T486
T485
T488
T487
T416
T418
4407
4406
10n
2410
220u
5406
1K
3925
3917
10R
1K
3924
3922
1K
1K
3923
1K
3921
2
1K
3919
3920
1K
10n
PH-S
1418
1
T419
2409
T415
T417
T413
T414
T411
T409
T410
3408
100R
3406
12K
3407
6K8
1413
1414
3415
1K2
1415
1408
1428
1409
3409
1K2
1K8
3410
4K7
3412
3411
2K2
1412
22
S5
23
S6
24
S7
25
S8
26
S9
10
SA0
2
SCL
1
SDA
3
SYNC
5
VDD
12
VLCD
11
VSS
S26
44
S27
45
S28
46
S29
20
S3
47
S30
48
S31
49
S32
50
S33
51
S34
52
S35
53
S36
54
S37 S38
55 56
S39
21
S4
29
S12
30
S13
31
S14
32
S15
33
S16
34
S17
35
S18
36
S19
19
S2
37
S20
38
S21
39
S22 S23
40 41
S24
42
S25
43
7406
7
A0
8
A1
9
A2
13
BP0
15
BP1
14
BP2
16
BP3
4
CLK
6
OSC
S0
17 18
S1
27
S10
28
S11
PCF8576T
1411
1410
3
GND
1
OUT
2
VS
2406
100n
2408
1n
7407
TSOP2236
3420
100K
10K
3419
4u7
100R
3418
2407
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
41
42
43
44
42
43
31
30
29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
12
11
10
9
21
22
23
24
25
26
27
36
35
34
33
32
44
40
39
38
37
17
16
15
14
13
28
8
7
6
5
4
3
+B
+B
2
1
20
19
18
LCD / KEY BOARD - CIRCUIT DIAGRAM
Содержание Expanium AZ 4000
Страница 11: ...5 2 5 2 Ant Voltage selector for dual voltage version WIRING DIAGRAM ...
Страница 48: ......