Service manual
AL-2030/2040CS/2050CS CIRCUIT DIAGRAM 13 - 14
2. OPERATION PWB (AL-2030/2040CS)
DRST
D-GND
ONL
SELIN1
D-GND
KIN1
SELIN3
OP-STB
KIN2
5V
DRST
PSW
SELIN2
OP-CLK
OP-DATA
5VEN
PSL
D-GND
D-GND
DRST
D-GND
KIN1
KIN2
SELIN3
SELIN2
SELIN1
PSW
5V
D-GND
D-GND
OP-STB
OP-CLK
OP-DATA
PSL
ONL
5VEN
OP-LATCH
OP-LATCH
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
+5V
5VEN
ONL
PSL
ONL
PSL
5VEN
LEDM
f1
e1
a1
g1
d1
b1
c1
a2
g2
d2
f2
e2
b2
c2
a3
g3
d3
e3
b3
c3
LEDM
f3
DU22 AE MPL PE ME ZPL DU21
SPFL JPL CS1L DPL EXL EXD EXN CS2L DAA1 SCNL
SJAL BPL 1ENR TPL 3RE 2RE 1RE NOR DAA2 2ENR
PML ONLL
DUPK
EXUPK
EXDWK
EXMODK
ZUPK
ZDWK
CRSK
BPK
10UPK
MAGK
SCNK
OLK
CLK
1UPK
PSW
CVOP
RPL
SKQNABD010
SW16
LTL-1LHEE-002A
LED74
TP52
d1
Q306
2SB1197K
2
1 3
C341
1000p
CN304
18FMN-BMTTR-A-TB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
SKQNABD010
SW19
IC306
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
SKQNABD010
SW23
C347
1000p
b2
TP25
R382 100J
TP5
C339
1000p
g2
TP42
d3
D317
1SS133
LTL-1LHG-002A
LED98
C328
200PF
TP59
C336
1000p
C354
N.M.
LTL-1LHG-002A
LED79
TP36
TP45
LTL-1LHG-002A
LED90
TP53
R363 470J
R401
4.7KJ
SKQNABD010
SW28
R376
150J
LTL-1LHG-002A
LED70
D313
1SS133
TP2
C332
1000p
TP16
TP26
TP6
R397
4.7KJ
R409 150J
R372
150J
LTL-1LHG-002A
LED61
TP43
C343
22000PF
R416 510J
TP60
TP46
C329
1000p
TP54
LTL-1LHEE-002A
LED94
R368
150J
LTL-1LHG-002A
LED75
R426
10kJ
TP18
R422
150J
C346
200PF
c1
R387
100J
IC305
74HC151
D0
4
D1
3
D2
2
D3
1
D4
15
D5
14
D6
13
D7
12
A
11
B
10
C
9
G
7
W
6
Y
5
VCC
16
GND
8
TP17
TP27
TP49
SKQNABD010
SW24
R406
4.7KJ
TP7
a2
C349
0.1uF
TP28
C348
22000PF
R425
1kJ
R383 100J
C345
200PF
TP61
f3
TP47
C340
1000p
c3
LTL-1LHG-002A
LED99
SKQNABD010
SW20
TP55
LTL-1LHG-002A
LED80
R427
1kJ
D318
1SS133
LTL-1LHG-002A
LED91
TP13
TP19
R380 100J
R431
4.7KJ
TP50
R364 470J
R402
100J
LTL-1LHG-002A
LED71
TP8
g1
TP29
D314
1SS133
TP51
C333
1000p
TP62
TP65
f2
TP48
R398
4.7KJ
IC304
LC7935AN
IC304
/Q3
33
/Q4
34
/Q5
36
/Q6
37
/Q7
38
/Q9
40
/Q10
41
/Q11
42
/Q17
1
/Q18
2
/Q19
3
/Q20
4
/Q21
6
/Q22
7
/Q23
8
/Q24
9
/Q25
10
/Q26
11
/Q12
43
/Q13
45
/Q14
46
/Q15
47
/Q8
39
/Q1
31
VCC
63
/STROBE
51
BEO
49
/LATCH
50
S IN
30
CLOCK
64
S OUT
19
GND1
5
GND2
14
GND3
35
GND4
44
GND5
62
/Q31
17
/Q30
16
/Q28
13
/Q27
12
/Q32
18
/Q16
48
/Q2
32
/Q29
15
TP56
R373
150J
Q304
2SB1197K
2
1 3
R417 1KJ
SKQNABD010
SW29
C351
N.M.
TP20
C330
1000p
LTL-1LHG-002A
LED95
LTL-1LHG-002A
LED72
R394
4.7KJ
b1
TP9
R391
4.7KJ
CN303
S3B-PH-K-S
1
2
3
R369
150J
TP30
R388
100J
R413 1KJ
SKQNABD010
SW25
LTL-1LHG-002A
LED67
TP15
TP63
TP66
R407 100J
C350
0.1uF
R421 1KJ
TP57
CN305
NM_ S3B-PH-K-R (RED)
1
2
3
R418 1KJ
R410 150J
SKQNABD010
SW21
b3
R384
100J
R378
150J
TP21
LTL-1LHG-002A
LED81
LTL-1LHG-002A
LED92
R404 100J
TP10
D319
1SS133
TP31
C337
1000p
R423
1.5KJ
LTL-1LHG-002A
LED76
f1
TP37
TP64
TP67
SKQNABD010
SW17
R403
4.7KJ
d2
D315
1SS133
C334
1000p
TP22
R365
150J
TP70
R399
4.7KJ
LTL-1LHG-002A
LED96
R374
150J
TP11
C352
N.M.
LTL-1LHG-002A
LED77
D311
1SS133
TP32
C331
1000p
a1
TP38
TP68
SKQNABD010
SW26
R395
4.7KJ
SKQNABD010
SW30
R408 150J
R370
150J
LTL-1LHEE-002A
LED68
R392
4.7KJ
R414 510J
R389
100J
TP71
SKQNABD010
SW22
a3
R419 1KJ
R366
150J
TP12
R385
100J
e2
R377
150J
R411
1.5KJ
TP33
LTL-1LHG-002A
LED102
R405
4.7KJ
TP39
TP69
LTL-1LHG-002A
LED73
R428
10kJ
D320
1SS133
e1
R381 100J
SKQNABD010
SW18
R339 1KJ
C338
1000p
R424
10kJ
c2
D316
1SS133
TP23
g3
C335
1000p
LTL-1LHG-002A
LED97
e3
LTL-1LHG-002A
LED78
R400
4.7KJ
TP40
LTL-1LHEE-002A
LED89
R429
1kJ
R375
150J
TP1
D312
1SS133
Q305
2SB1197K
2
1 3
C353
N.M.
TP34
R379
150J
SKQNABD010
SW27
R430 100J
NM_LTL-1LHEE-002A
LED69
R396
4.7KJ
R393
4.7KJ
C344
200PF
R371
150J
R415 1KJ
C342
47uF/16V
TP14
TP24
R390
100J
C355
NM_1000p
LTL-1LHG-002A
LED60
LTL-1LHG-002A
LED101
TP41
R367
150J
R420
150J
TP3
TP58
R386
100J
LTL-1LHG-002A
LED93
R412
1.5KJ
TP35
TP44
A
A
B
B
C
C
D
D
E
E
4 4
3 3
2 2
1 1
OPERATION PWB (7SEG) (AL-2030/2040CS)
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