Samsung GH15H series Service Manual page 38

9 Schematic Diagrams
9-2 Audio Part Schematic diagram
U27
BL_EN
1
CN401
TP913
slcon2p
1 1
2
AUDIO_STANDBY
GH15H*
+12V_IN
Q403
U28 SI4435DY
1
U40
1 S1 D1 5
C420 2 S2 6
D2 1
33uF 3 S3
D3 7
4 G1 8
D4
1
R412
100K TP22
1/16W
1
U50
R413
100K
1/16W
U25
C
1
B
R414
E
Q401
10K
2SC2412K-Q
C401
150nF
16V
U29 U30 U31
R401 100 MO R403 100
1 1 1
TP914
1
U33 U34 U35
R402 100 R404
1 1 1
C402
150nF
16V
MO
C403
C404
100pF
100pF
50V
50V
MO
MO ZD401 ZD402
AGND AGND AGND AGND
R405
1K
1/16W
AUDIO_VOLUME
AUDIO_MUTE
R978
6.8K
1/16W
+12V_AUDIO
U41
FT401
1
BLM41P600S
FT402
SW_REG_EN
BLM41P600S
AGND
C407 C408
100nF 100nF
16V 16V
7 16 15
1 14
GND0
OUTR
2
GND1
3
GND2
13
11
GND3
STBY
20 12
GND4
MUTE
19
GND5
18
GND6
U32
IC401
9
1
INR
TDA7496L
17
OUTL
U36
8
100
N_C
1 4
INL
U37
10
1
SVR
VOLUME VAROUT_L
6 5
C405
100uF
16V
AGND AGND
U38
1
C406
10uF
16V
AGND
C416
47uF
AGND AGND
VCC
R415
100K
1/16W
R416 100
AUDIO_STANDBY
U19 U18
C
1 1
B
R417
E
Q402
10K
2SC2412K-Q
+12V_AUDIO
C409
100uF
16V
AGND
C410
U43 470uF
16V
1
U45
C411
1
100nF
16V
U57
1
AGND C412 TP912
U47 470uF
1
16V
1
C413
100nF
16V
C414 C415
AGND
100nF 100nF
16V 16V
AGND AGND
R406 R407
10K 10K
AGND AGND
CONFIDENTIAL
CN402
slcon3p
1
TP911
1
2
3
AGND
9-3