Alto L-6, Руководство по обслуживанию, Страница: 8 / 28

1
2
34
A B C D
4
3
2
1
D C B A
L6G.
S
02
Titel Siz
e
File: Dat
e
:
Draw
n By
:
Sheet
Rev
ision
Mo
d
e
l N
o
:
8-Sep-2003
KEVIN
LIN
.
D
ISPLAY STAGE
4
3o
f
ALTO L-
6
VER030709
A4
8
9
14
U24C
LM
339
1
6
7
U24B
LM
339
1
6
7
U23B
LM
339
8
9
14
U23C
LM
339
1
6
7
U25B
LM
339
8
9
14
U25C
LM
339
LD
9
GR
LD
10
GR
LD
11
GR
LD
12
GR
LD
13
YEL
LD
14
RED
R284 120R
R285 560R
R288 820R
R291 820R
R289 3K9
R292 5K6
R290 22K
+VC
C
R287
47R
-V
C
C
PGND
10
11
13
U24D
LM
339
5
4
2
U24A LM
339
5
4
2
U23A
LM
339
10
11
13
U23D
LM
339
5
4
2
U25A
LM
339
10
11
13
U25D
LM
339
LD
20
GR
LD
21
GR
LD
22
GR
LD
23
GR
LD
24
YEL
-V
C
C
LEFT M
ETER
(-30)
(-10)
(-4)
(0)
(+10)
(+18)
3 2
1
U22A
4580M
R299
100K
R301
100K
C236
47u/
25V
PGND
TR2
1
HR
+VC
C
D1A
DA
204K
D1B
DA
204K
TR2
2
HR
R273
120R
R52 470R
R53
470R
R151
10K0
PGND
5 6
7
U22B
4580M
R300 100K
R302
100K
C237
47u/
25V
PGND
L-
M
ETER
R
-M
ETER
3 12
U24E
LM
339
3 12
U25E
LM
339
3 12
U23E
LM
339
8 4
U22C
4580M
C219
100n
C220
100n
R282
47R
R283
47R
C107
47u/
25V
C108
47u/
25V
+VC
C
-V
C
C
PGND
LD
6
RED
LD
19
GR
R184
4K7
R286
2K
PGND PGND
PH PW
R
PW
R ON
PHA
N
TOM
+VC
C
R304
10K0
R303
10K0
PGND
PGND
L6G (3/4)
C238 47P
C239 47P
D2 RLS
4148
D3 RLS
4148
D4 RLS
4148
D5 RLS
4148
R
IGH
T M
ETER
LD
25
RED