EN 21
3139 785 31620
7
Circuit Diagram and PWB Layout
AV Board: Circuit Diagram (Part 4)
5
6
7
13
A
B
C
D
E
F
G
H
I
A
B
C
D
E
F
G
H
I
1402 E1
1403 H2
1404 H3
1405 F3
1
2
3
4
3406 B1
3407 C2
3410 D4
8
9
10
11
12
13
1
2
3
4
5
6
7
8
9
10
11
12
3462 F6
3463 F4
3464 G4
1407 D4
1408 D9
2400 C5
2401 D4
2402 D10
2404 D8
2414 A8
2415 B5
2420 G6
2421 G4
2422 F3
2423 C2
3400 B2
3401 D6
4409 A4
4410 A7
4411 A4
3412 D7
3416 D6
3418 D4
3422 E10
3424 E9
3447 A12
3448 A10
3449 A7
3450 A4
3451 B5
3452 B12
3453 B9
3460 G6
3461 F7
6411 A8
6412 C13
6413 C11
3465 G8
3466 G7
3467 F8
4400 H3
4401 H3
4402 H4
4403 H4
4404 I3
7403 D10
7405 D6
7406 E10
4412 A7
4415 C11
4416 I3
4417 I3
4418 I4
4419 H4
5403 C4
5404 D4
5405 D10
5406 C7
6410 C11
7418 A5
7419 A8
7420 B12
6415 B11
6416 A4
6420 F5
6421 F4
6422 F4
6423 F4
6424 F3
7400 B2
7401 D4
7402 C7
F408 H2
F409 I2
F410 I2
F412 I2
F413 H2
F420 C5
7421 B10
7422 G7
7423 F4
7424 G8
F400 D2
F401 D2
F403 D2
F404 F3
F405 E2
F406 F3
F407 H2
F422 C8
F423 C11
F426 D2
F411 I2
F421 D5
+5V_Stb
1
2
7405
BC857B
1405
B2B-EH-A
5403
220R
32
42
n0
01
GND
GND
GND
+12VL
F423
52
-7
23
C
B
30
47
F421
22
43
6
K5
BC847B
7421
GND
6410
BAS316
D
V5
+
F420
0u
1
12
42
n0
01
02
42
BAS316
6415
F408
F405
+12V_Stb
3424
10K
1K0
3416
6423
BAS316
BAS316
BC847B
7422
6421
GND
F410
+5VD
V5
2
u0
01
2422
F409
a
V2
1-
GND
L
V2
1
+
61
44
a
V2
1
+
4419
+5V_Stb
F422
+5V_Stb
F400
GND
05
43
K0
1
61
3
S
A
B
61
46
7
K4
15
43
81
47
B7
58
C
B
4411
7400
BC847B
B7
58
C
B
91
47
GND
10K
7420
BC847B
3452
6412
BAS316
5404
390R
GND
GND
00
42
n0
01
20
42
V5
2
u2
2
GND
GND
76
43
7
K4
3410
10K
GND
4418
4410
GND
-12Va
GND
6424
BAS316
BAS316
6420
81
43
K0
01
BAS316
6422
10K
3401
4412
32
47
B7
58
C
B
4403
10
44
+12Va
+5VD
00
44
10K
3453
7
K4
84
43
4402
F426
GND
10K
3463
V5
2
u0
01
51
42
BC337-40
+12Va
GND
7402
F403
BAS316
6413
5406
10u
F406
10K
3460
BC847B
7406
GND
40
42
u2
2
V5
2
7
K4
D
V5
+
74
43
-12V_Stb
F401
56
43
K0
1
bt
S_
V2
1
+
10K
3466
7
K4
16
43
3464
F404
-12Va_AM
2K7
+5VA
+5V_Stb
V6
1
u0
22
41
42
71
44
R2
2 3462
10
42
V0
1
u0
01
GND
70
43
K6
5
+12Va_AM
F407
3406
10K
+5VA
GND
GND
+5VL
5405
10u
2
K2
1407
2000mA
00
43
+12V_Stb
GND
1408
2000mA
NC
GND
7424
BC847B
3
1
2
F411
SI2312DS
7401
2
3
4
5
6
F412
B6B-EH-A
1404
1
94
43
K0
1
1
2
3
4
5
6
7
8
1402
B8B-EH-A
9
6411
BAS316
1
10
11
12
2
3
4
5
6
7
8
1403
B12B-EH-A
4409
4404
+12Va
+5VD
21
43
4415
L
V2
1
+
GND
K0
1
F413
+5V_Stb
GND
TV_Mute
L
V2
1
+
-12V_Stb
L
V5
+
PD_Mute
Mute_Ctrl1
PO_Mute
Mute
Mute_Ctrl2
TD
FAN
FAN
PD_Mute
PD_Mute1
PO_Mute1
PD_Mute1
PO_Mute1
L
V2
1
+
ybt
S
n
wo
D_
P
PO_Mute
Stby
switch
switch
switch
switch
3139_243_33616_a2_sh130_sh4.pdf 2006-03-10
www.freeservicemanuals.info
6/22/15
Published in Heiloo, Holland.