Philips 32PF9968/10 Service Manual page 62

Circuit Diagrams and PWB Layouts
SSB: Audio Headphone
2HV2 C5 2HV6 C2 2HVA C2 2HVD C2
2HV3 D3 2HV7 B10 2HVB B4 2HVE C2
2HV4 C5 2HV9 C2 2HVC B4 2HVG C7
1 2
AUDIO HEADPHONE
B05C
A
B
2HVD IHV2
1u0
ADAC(3)
2HVE 1u0 IHV3
ADAC(4)
2HV9
IHV4
C
10u
IHV5
A-PLOP-HDPH
D
3139 123 6309.3
1 2
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PB52.1HU LA 7.
3HV3 B8 3HV8 D8 3HVR C4 3HVW B7 3HVZ C9
3HV4 B9 3HVN C4 3HVS C4 3HVX C7 5HV0 A3
3HV7 B9 3HVP B4 3HVT C9 3HVY C8 7HV0-1 B3
3 4
+3V3
IHV1
7HV0-1
TPA4411RTJ
FHV1
3HVP
10 19
Φ
SVDD PVDD
33R
HEADPHONE IHV6
3HVN
13 9
L DRIVER L
IN 33R
15 OUT
R IHV7 FHV2
3HVS
11
R
33R
1
P
3HVR
4
C1
3 6
N 33R
8
14 NC 12
SDR
16
18 20
SDL
VSS GND
DNC
S P S P HEATSINK
21
7 5 17 2
IHV0
3 4
62
7HV0-2 D5 7HVA-2 B9 FHV2 C5 IHV1 A3
7HV1 D9 9HV1 D3 FHVA C9 IHV2 C2
7HVA-1 C8 FHV1 B5 IHV0 D3 IHV3 C2
5 6 7
AUDIO-HDPH-L-AP
IHVA 3HVW IHVB
AUDIO-RESET
22K
AUDIO-HDPH-R-AP
7HV0-2
TPA4411RTJ
VIA
22 24
23 VIA 25
VIA
5 6 7
IHV4 C2 IHV7 C4 IHVC B8 IHVF B9
IHV5 C2 IHVA B7 IHVD B9 IHVG D8
IHV6 C4 IHVB B7 IHVE B8 IHVH D9
8 9
+5V-STANDBY
IHVF
4
IHVE
3HV7
5
BC847BPN
7HVA-2
6
22K IHVD
3HV3 IHVC
2
3
22K
1
7HVA-1
BC847BPN
+3V3 +3V3-STANDBY
3HVT FHVA
3 A-PLOP-HDPH
IHVH
12K
3HV8 IHVG
1
22K 7HV1
2 BC847BW
8 9
10
B05C
A
B
A-PLOP
C
D
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