Philips 15MF227B/27 Service Manual page 38

38 TPM1.0U LA
Scaler Schematic Diagram - AUDIO AMP
Board
1 2
S-A14
A
+16A VCC_AUDIO
FB801
1 2
600R/200mA BLM18AG601SN1D
B
C804 C802
100N 25V 470uF/25V
SOUND_EN R802 330R 1/10W
C
AO1AUXR R803 100R 1/10W C816 470N 10V
R804
C817 1K 1/10W 5%
1N 25V
R807
100R 1/10W
AO1AUXL
C823
R810 470N 10V
C824 1K 1/10W 5%
1N 25V
D
E
F
G
H
1 2
3 4
C805 100N 25V C807 100N 25V
L802 L803
33uH
33uH
C808 100P 50V C809 100P 50V
VCC_AUDIO
C803
470uF/25V C810 VCC_AUDIO
NC/10uF/50V
C811 C812
100N 25V 100N 25V
C813 C814
220N 25V 220N 25V
U801
TPA3005D2PHP
C815 1U 10V
1 36
SHUTDOWN VCLAMPR
2 35
RINN NC
3 34
RINP NC
4 33
V2P5 AVCC
5 32
LINP NC
100N 25V
6 31
LINN NC
R806 100K 1/10W 7 30
AVDDREF AGND
R801 100K 1/10W 8 29
NC AVDD
9 28
GAIN0 COSC
10 27
GAIN1 ROSC
11 26
NC AGND
12 25
NC VCLAMPL
C825
1U 10V
C828 C829
220N 25V 220N 25V
C830 C831
100N 25V 100N 25V
C832
NC/10uF/50V VCC_AUDIO
VCC_AUDIO
C833 100P 50V C834 100P 50V
L801 L804
33uH 33uH
C801 100N 25V C836 100N 25V
3 4
7. Circuit Diagrams and PWB Layouts
5 6 7
VCC_AUDIO
R80547R 1/10W
ROUT+
C818 C819 ROUT-
100N 25V
LOUT-
LOUT+
R811 C826 C827
120K 1/10W 220P 50V 100N 25V
FOR AC OFF
Q801
NC/PMBS3906
3
5 6 7
8 9 10
+16A
1 +16A
DV33
2,4,5,6,7,11,13,15 DV33
GND
1,2,3,4,5,6,7,8,9,10,11,12,13,15 GND
SOUND_EN
5 SOUND_EN
AO1AUXR
13 AO1AUXR
AO1AUXL
13 AO1AUXL
CN801
2
1
63362 2P 2.0MM
CN802
2
1
69072 2P 2.5MM
+16A
R818
NC/1K 1/10W
FOR AC ON
Q800
2 1
NC/PMBS3906
DV33
R814
NC/1K 1/10W R817
NC/4K7 1/10W
SOUND_EN
R815
NC/22K 1/10W
C838
Q802 NC/100UF 25V
NC/MMBT3904
R816
NC/10K 1/10W
CP NR. CL6xxxx
Title
DS 15MF237S MAIN BOARD (AUDIO AMP)
Size Document Number
C E157C2NKA1PMN S (715T2225-1)
Date: Nov 30, 2006
8 9 10
11
A
CN801 C8
CN802 D8
C801 E4
C802 B2
C803 B2
C804 B2
C805 A4
C806 A4
C807 A4
C808 B4
C809 B4
B
C810 B4
C811 B4
C812 B4
C813 B4
C814 B4
C815 C5
C816 C2
C817 C1
C818 C5
C819 C5
C820 C2
C821 C2
C822 C2
C823 D2
C824 D1
C825 D5
C
C826 D5
C827 D6
C828 D4
C829 D4
C830 D4
C831 D4
C832 D4
C833 E4
C834 E4
C835 E4
C836 E4
C837 F8
C838 F9
FB801 B1
FB802 B4
D
FB803 B4
FB804 D4
FB805 D4
L801 E4
L802 B4
L803 B4
L804 E4
Q800 E8
Q801 E7
Q802 F8
R801 C3
R802 C2
R803 C2
R804 C2
R805 C6
R806 C3
E
R807 D2
R808 D3
R809 D3
R810 D2
R811 D5
R812 E8
R813 E8
R814 E8
R815 F8
R816 F8
R817 F8
R818 E8
U801 C3
F
G
H
Rev
1
Sheet 14 of 15
11