Audio Panel: Amplifier - Philips LC4.41E Service Manual

Circuit Diagrams and PWB Layouts

Audio Panel: Amplifier

2D11 B2 2D23 E14 2D37 G6 2D46 H10 2D55 F2 2D66 F9
2D14 E7 2D26 F2 2D38 G2 2D47 H2 2D56 F6 2D67 H2
2D15 E7 2D27 F9 2D39 F13 2D48 H3 2D57 F14 2D68 H10
2D17 E15 2D28 G7 2D40 F13 2D49 H10 2D60 H9 2D70 C4
2D18 E15 2D30 F3 2D41 G7 2D50 H10 2D61 H9 2D71 G1
2D19 F2 2D31 F11 2D42 G7 2D51 C8 2D62 H9 2D72 F9
2D20 F7 2D32 F6 2D43 G14 2D52 E6 2D63 C6 3D10 A3
2D21 G14 2D35 F2 2D44 G15 2D53 F7 2D64 E9 3D11 B4
2D22 G14 2D36 F10 2D45 H3 2D54 F14 2D65 E9 3D12 B4
1 2 3
AUDIO: AMPLIFIER
C1
+12_20V
A
VP
3
7D10-1
3D13
9 LM339P
14
2K7 ID49
3D14
LEFT-SPEAKER GND-D 8
12
220K
VN VP
ID52 3 7D10-4
3D17
RIGHT-SPEAKER
7
LM339P
B 220K ID54
3D18
6
12
47K
+12_20V VN
GND-D
*
GND-D
C
7D12-2
ID57
BC847BS
3
4
D
E 3D43 ID80 *
7D24
+12_20V
10R
*
BC817-25W
ID81
ID20
* * VP
F -12_20V
* *
ID62 3
ID25 2D26 ID26 GND-D 7D10-2
3D50
11
LM339P
2D30
13
ADAC1
3K9 1u0
10
10n
12
ID34
2D71
FEEDBACK
1p0 3D39-3
3 6
22K
G
5D16 ID39
VN
-12_20V
220R
3D67 ID42 3D68
ID44
3K9 100K
GND-D
ID46
3D71
10K
H
3139 123 6149.1
1 2 3
LC4.41E AA
3D13 A2 3D22 C5 3D39-1 F4 3D43 E1 3D56 F2 3D69 G10
3D14 A2 3D23 D4 3D39-2 E4 3D44 F5 3D57 F9 3D70 G11
3D15 B4 3D24 C4 3D39-3 G3 3D45 F12 3D58 G11 3D71 H3
3D16 B5 3D25 C3 3D39-4 E5 3D46 F6 3D60 F6 3D72 H11
3D17 B2 3D26 D4 3D40-1 F11 3D47 F13 3D61 F13 3D73 H3
3D18 B2 3D34 E3 3D40-2 G11 3D49 E1 3D64 G4 3D74 H11
3D19 B4 3D35 E4 3D40-3 E11 3D50 F1 3D65 G11 3D75 B9
3D20 B5 3D37 E11 3D40-4 E13 3D51 F9 3D67 G3 3D76 G5
3D21 B3 3D38 E11 3D42 C3 3D54 F1 3D68 G3 3D77 E6
4 5 6
+3V3-STANDBY +3V3-STANDBY
ID50
3D11 ID51 ID48
1 6
22K
6D10 ID53
2 7D11-1
BC847BS
BAS316
1
+12_20V
3
GND-D
7D11-2 5 ID55
BC847BS
*
4
ID56
2D70
ID61
1n0
5 6 7D12-1
3D23
2
-12_20V
2K2
1
BC847BS
-12_20V
ID92
*
*
7D18-1
7D15
3D39-2
ID13 ID93
2 7 BC807-25W
7D30
4 GND-DL
22K BC857BW
* *
ID14 5D18
6 FDS4559
220R
*
ID82 3D60 5D12
2 7D16-1
BC847BPN
0R1 ID16
33u
1
*
7D14
BC847BW
ID23
*
ID83
9D03-1
1 8
ID87
*
9D03-2
7D16-2
2 7
4
ID86
* GND-DL GND-DL
3D39-1 *
1 8 9D03-3
7D18-2
3 6
5
*
22K
ID28 9D03-4
BC847BPN GND-DL ID35 4 5
3 2
ID32
7D17
FDS4559
ID36
*
BC817-25W
*
GND-DL
4 5 6
7. 71
3D78 E12 3D88 C10 5D14 G7 7D10-3 F10 7D16-2 F4 7D23-1 E13 9D03-1 F6
3D79 G12 3D90 E9 5D15 G15 7D10-4 B3 7D17 G4 7D23-2 F12 9D03-2 F6
3D81 G4 3D91 E9 5D16 G2 7D11-1 B5 7D18-1 E5 7D24 E2 9D03-3 F6
3D82 C7 3D92 H3 5D18 E6 7D11-2 C5 7D18-2 F5 7D25-1 C8 9D03-4 F6
3D83 C7 3D93 H10 5D19 E14 7D12-1 C4 7D19 F11 7D25-2 B9 9D04-1 F13
3D84 B8 5D10 E7 6D10 B4 7D12-2 C4 7D20 E12 7D26-1 C9 9D04-2 F13
3D85 B8 5D11 E15 6D11 C4 7D14 F4 7D21-1 F12 7D26-2 B10 9D04-3 F13
3D86 C10 5D12 F6 7D10-1 A3 7D15 E5 7D21-2 F12 7D30 E6 9D04-4 F13
3D87 C10 5D13 F14 7D10-2 F3 7D16-1 F5 7D22 G12 7D31 E14 ID10 E7
7 8 9 10
+12_20V
4
ID70
BC847BPN
7D25-2
5 4
BC847BPN
3 7D26-2
3
ID31
ID91
6
ID30
3D82 ID73
2 7D25-1
BC847BPN
47K
1 6
7D26-1 2
ID63 ID72
BC847BPN
1
+12_20V +12_20V
ID10 2D64
INV-MUTE
ID67
1p0
FEEDBACK
*
2D65
FEEDBACK-LR
ID66
GND-DL GND-DL 1p0
2D66
FEEDBACK-RL
1p0
* *
ID74
ID24 2D27 ID27
3D51
5
ADAC2
3K9 1u0
4
ID38
ID40 5D14
-12_20V
220R 3D69
*
3K9
2D60
100n
GND-DL GND-DL 2D61 GND-DR
100n
2D62 GND-DL
100n
GND-D
7 8 9 10
ID11 E15 ID22 F12 ID31 B8 ID40 G7 ID49 A3 ID61 C4
ID12 E11 ID23 F4 ID32 G5 ID41 G15 ID50 B4 ID62 F1
ID13 E4 ID24 F9 ID33 G12 ID42 G3 ID51 B4 ID63 C7
ID14 E5 ID25 F1 ID34 G3 ID43 G10 ID52 B2 ID66 E9
ID15 F12 ID26 F2 ID35 F6 ID44 G2 ID53 B4 ID67 E9
ID16 F6 ID27 F10 ID36 G4 ID45 F13 ID54 B3 ID70 B8
ID17 F13 ID28 F4 ID37 G11 ID46 H3 ID55 C6 ID71 C10
ID20 F2 ID29 F12 ID38 G10 ID47 H11 ID56 C4 ID72 C10
ID21 F11 ID30 B7 ID39 G2 ID48 B6 ID57 C3 ID73 B9
11 12 13
DIVERSITY LIST
POS 2x5W (16 ohm) 2x15W (8 ohm )
6D11 BZX384-C18 BZX384-C27
2K2
3D25 1K0
3D50 10K 6K8
3D51
10K 6K8
3D35 1K0
1K2
5 3D38
1K2 1K0
3D64 1K2 1K0
3D65 1K2 1K0
5D18 BEAD 0805 220 E 100MHz ------------
5D12 ------------ 33uH
5D19 BEAD 0805 220 E 100MHz ------------
5D13 ------------ 33uH
ID71
2D15 100uF/16V ------------
2D52 ------------ 220uF/25V
2D28 ------------ 220uF/25V
100uF/16V
2D42 ------------
100uF/16V
2D18 ------------
2D23 ------------ 220uF/25V
220uF/25V
2D22 ------------
2D44 100uF/16V ------------
2D53 ------------ 470nF/25V
2D54 ------------ 470nF/25V
*
7D20
3D40-3 ID12
3 6 7D23-1
22K BC857BW
4
BC807-25W
6
ID15 FDS4559
3D61
2 7D21-1
ID21
BC847BPN
ID17 0R1
1
*
7D19 9D04-1
VP 1
BC847BW
ID22
*
9D04-2
ID78 2
7D21-2 *
ID76 9D04-3
BC847BPN
7D10-3 3
4
LM339P ID75
2D31 *
3D40-1
2 1 8 9D04-4
7D23-2 4
5
10n 22K ID29
GND-DR 2D40
ID33 ID45
3 2
7D22
1n5
FDS4559
3D40-2 ID37
VN 2 7
22K
*
BC817-25W
ID43 3D70
100K
ID47
3D72
10K
11 12 13
ID74 F9 ID86 F4
ID75 F11 ID87 F4
ID76 F11 ID91 B10
ID77 E14 ID92 E6
ID78 F13 ID93 E6
ID80 E1 cD01 D15
ID81 E1 cD04 D15
ID82 F5 cD05 D15
ID83 F6
14 15
C1
A
B
C
D
cD01
cD04
GND-DR
cD05
GND-D GND-DL
ID11 5D11
+12_20V
220R
E
* *
7D31
*
ID77
5D19
GND-DR GND-DR GND-DR
220R
*
5D13
33u
* *
8
F
7
6
GND-DR
GND-DR
5
G
ID41 5D15
-12_20V
220R
*
*
GND-DR GND-DR GND-DR
H
G_16240_001.eps
140206
14 15