Philips P&S 22HFL4372D/10 Service Manual page 118

Circuit Diagrams and PWB Layouts
Audio amplifier
Audio amplifier
HC02
1
D601 D601
A
+12V_AMP
LL4148 LL4148 C602 C602
10U 10V 10U 10V
R604 R604
1K 1/16W 5% 1K 1/16W 5%
ZD601 ZD601
R606 R606
RLZ10B RLZ10B
22K 1/16W 5% 22K 1/16W 5%
R607 R607
Q601 Q601
PMBT3904 PMBT3904 R610 R610
470OHM1/10W 470OHM1/10W
22K 1/16W 5% 22K 1/16W 5%
R611 R611
10K 1/10W 5% 10K 1/10W 5%
B
C615 1UF 10V C615 1UF 10V R618 R618 62K 1/16W +/-5% 62K 1/16W +/-5%
[2] AUDIO_L
C617 1UF 10V C617 1UF 10V R620 R620 62K 1/16W +/-5% 62K 1/16W +/-5%
[2] AUDIO_R
C
D
1
Q552.1HE LA 10. EN 118
2 3
3V3_STBY
(EMI) FB601 FB601
1 2
+12V_AMP
12V
300OHM 300OHM D602 D602
1 2
NC/FB340M NC/FB340M
FB602 FB602
R602 R602
1 2
22K 1/16W 5% 22K 1/16W 5%
300OHM 300OHM
R605 R605
0R05 1/16W 0R05 1/16W
Q602 Q602
PMBT3904 PMBT3904
+12V_AMP
/SD
MUTE
C608 C608
100N16V 100N16V
R614 R614
R615 R615 C613 C613 1UF 10V 1UF 10V 10R 1/16W 5% 10R 1/16W 5%
100R 1/16W 5% 100R 1/16W 5% C614 C614 1UF 10V 1UF 10V
10
R601 R601 R617 R617
11
R619 R619 100K 1/16W 5% 100K 1/16W 5% C616 C616
12
1uF 25V 1uF 25V C618 C618
100K 1/16W 5% 100K 1/16W 5% 1uF 25V 1uF 25V
100K 1/16W 5% 100K 1/16W 5%
10K 1/10W 5% 10K 1/10W 5%
GAIN0
GAIN1
2 3
2010-Nov-19
4
R608 R608
2.2K 1/10W 2.2K 1/10W
C604 C604 C605 C605
L601 L601 C606 C606
+ +
C603 C603 33uH 33uH
330UF 16V 330UF 16V 100N16V 100N16V 100N16V 100N16V
C607 C607
470N 16V 470N 16V
+12V_AMP
U602 U602
TPA3124D2PHPR TPA3124D2PHPR R613 R613
1 24
PVCCL PGNDL
0R01 1/10W 0R01 1/10W
2 23
SD PGNDL C601 C601
3 22
PVCCL LOUT
C611 C611
4 21
MUTE BSL
220N 25V 220N 25V 100N16V 100N16V
5 20
LIN AVCC
6 19
RIN AVCC
GAIN0
7 18
BYPASS GAIN0
GAIN1
8 17
AGND GAIN1
9 16
AGND BSR
15
PVCCR ROUT
14
VCLAMP PGNDR
13
PVCCR PGNDR
+12V_AMP
R622 R622 R623 R623
NC/10KOHM +-5% 1/10W NC/10KOHM +-5% 1/10W
R624 R624 R625 R625
4
back to
div. table
5
CN601 B5 C601 B4
C602 A1 C603 B3
C604 B3 C605 B4
C606 B4 C607 B4
C608 B3 C610 B5
C611 B4 C612 B5
C613 B2 C614 B2
C615 B1 C616 B3
A
C617 B1 C618 C3
C619 B1 C620 B1
D601 A1 D602 A3
FB601 A2 FB602 A3
L601 B4 Q601 A1
R609 R609
Q602 A2 R601 B2
2.2K 1/10W 2.2K 1/10W
R602 A2 R604 A1
R605 A2 R606 A2
R607 A1 R608 A4
R609 A5 R610 A2
CN601 CN601
1
SPK_OUT
2
R611 A1 R613 B4
330UF 16V 330UF 16V
R614 B3 R615 B2
R617 B3 R618 B2
3
PHONEJACK PHONEJACK R619 B2 R620 B2
PHONE JACK 3.5mm 3P V/T BLACK
B
R622 C3 R623 C3
R624 D3 R625 D3
C610 C610
470pF 50V 470pF 50V
R626 C5 R627 C5
C612 C612
4U7 16V 4U7 16V
R628 C5 R629 D5
U602 B3 ZD601 A1
C
R626 R626 0R05 1/4W 0R05 1/4W
R627 R627 0R05 1/4W 0R05 1/4W
R628 R628 0R05 1/4W 0R05 1/4W
R629 R629 0R05 1/4W 0R05 1/4W
(EMI)
D
5
iTV board
HC02
B 2010-09-24
715G4309
19040_510_100924.eps
101111