Philips HTS3455/51 Service Manual page 21

Circuit Diagram and PWB Layout
AV Board: Circuit Diagram (Part 4)
1 2 3
A
+5VD
+12Va
B
switch
3406
Stby
7400
BC847B
10K
GND
GND GND
C
+5V_Stb
F400
+5V_Stb
F401
D
GND
+5V_Stb
F426
GND
F403
1 +12V_Stb
2
3
4
5
6 +5V_Stb
F405
7
-12V_Stb
8 NC
E
B8B-EH-A
1402
1405
F406
1
F404
F 2
B2B-EH-A
G
+5VL
H
1403
F407
1
1404
2
F413
3 1
4 2
5 3
F408
6 4
7 5
F409
GND
8 6
F410
9
F411 B6B-EH-A
10
11
12
F412
I
B12B-EH-A
1 2 3
3139 785 31590
4 5 6
PO_Mute
4409
+5VD
4411
+12Va
GND
5403 F420
+5VA
220R
GND
7405
7401 1407 5404 F421 3401
switch
+5VD
3 2
390R 10K
2000mA
SI2312DS
3410
GND
switch
GND
10K
GND
3462
6424 6423 6422 6421 6420
BAS316 BAS316 BAS316 BAS316 BAS316
2422
3463
10K
3464
GND
FAN
2K7
3460
TD
GND
10K
4402
+5VA
4403
+5V_Stb
GND
4419
+12Va_AM
4404
GND
4418
-12Va_AM
GND
4 5 6
7 EN 21
7 8 9
PD_Mute
BAS316
4410
6411
4412
GND
PD_Mute
3453
10K
-12V_Stb
7402 5406 F422
-12Va
10u
BC337-40
3416
+12V_Stb
1K0
2000mA
BC857B
GND
3424
switch
10K
FAN
3466
7424
BC847B
10K
7422
BC847B
GND
GND
GND
7 8 9
10 11 12
PD_Mute1
PO_Mute
3452
7420
BC847B
7421
10K
BC847B
GND
GND
PD_Mute1 Mute
6415
BAS316
Mute_Ctrl1
6410
Mute_Ctrl2
BAS316
PO_Mute1
6413
BAS316
+12VL
4415
F423
5405
+12Va
1408 10u
GND
7406
BC847B
GND
3139_243_33617__a2_sh130_sh4.pdf
10 11 12
13
1402 E1
1403 H2
1404 H3
1405 F3
1407 D4
1408 D9
2400 C5
2401 D4
2402 D10
A
2404 D8
2414 A8
2415 B5
2420 G6
PO_Mute1
2421 G4
2422 F3
2423 C2
3400 B2
3401 D6
3406 B1
3407 C2
3410 D4
B
3412 D7
3416 D6
3418 D4
3422 E10
3424 E9
3447 A12
3448 A10
3449 A7
3450 A4
TV_Mute
6412
3451 B5
3452 B12
BAS316
C 3453 B9
3460 G6
3461 F7
3462 F6
3463 F4
3464 G4
3465 G8
3466 G7
3467 F8
4400 H3
4401 H3
4402 H4
D
4403 H4
4404 I3
4409 A4
4410 A7
4411 A4
4412 A7
4415 C11
4416 I3
4417 I3
4418 I4
4419 H4
5403 C4
E
5404 D4
5405 D10
5406 C7
6410 C11
6411 A8
6412 C13
6413 C11
6415 B11
6416 A4
6420 F5
6421 F4
6422 F4
F
6423 F4
6424 F3
7400 B2
7401 D4
7402 C7
7403 D10
7405 D6
7406 E10
7418 A5
7419 A8
7420 B12
G
7421 B10
7422 G7
7423 F4
7424 G8
F400 D2
F401 D2
F403 D2
F404 F3
F405 E2
F406 F3
F407 H2
F408 H2
H
F409 I2
F410 I2
F411 I2
F412 I2
F413 H2
F420 C5
F421 D5
F422 C8
F423 C11
F426 D2
I
2006-03-10
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