Philips MCM521, Service Manual

Page: 51 / 58

51 MCM595
PAINEL COMBI - AMPLIFICADOR - CANAL ESQUERDO
1 1
1 1
1 1
7114 D 9
7115 G 9
7117 G12
1K5
1K8 1K5
10 R
71 3 0 D2
71 3 1 H6
71 3 2 B11
71 33 F11
9 1 99 D1
F102 G 9
F112 G12
3 121
3 1 3 0
711 9 G6
7121 F11
7122-1 G
3
1 R 0
71 3 2 BC817-25W
7122- 3 G4
7104 B1 3
7105 C7
710 9 C11
*
*
*
F114 D14
33 0u
220u
1 n 5
71 33
BC817-25W
*
3 152
3 15 3
3 156
1K8
611 3 H 9
6114 E 9 3 142 G8
3 14 3 G5
7111 C10
711
3 F10
3 10 9
710 9
*
3 111
100 R 4 R 7
10 R
7118 F7
4 n 7
1 R 0
3 1 3 5 100 R 4 R 7
*
3 120
3 1 39
3 140
7122-2 G4
7122-4 G5
7122-5 E4
7122-6 E
3
7128 F6
712
9 D6
610 9 E8
6110 C10
6111 H8
211 9
5105
5101
3 140 G4
4K7
3 144 G2
3 145 D11
3 146 G7
21 3 8
3 148 G2
3 14 9 F 3
3 151 C10
5100 A 11
5101 E12
5102 F1
3
21 39
*
470p 1 n
4K7
*
*
*
510 3 H11
5105 E12
6106 D
9
6108 G 9
3 1 3 7 F1 3
3 1 3 8 F1 3
3 1 39 G1
2124
75W SA / 75W T A PE SA s t ands f r o r S ou nd A gen t
4K7
67841/67 9 41
*
*
Amplifier ON-OFF Switch
3 115 F6
3 147 D5
3 117 D7
3 11 9 D 9
3 120 G10 3 152 C 9
3 15 3 C 9
3 154 E8
3 155 E8
3 156 F10
3 12 9 G11
3 1 3 0 G11
3 1 33 G7
Power Stage
*
CO M BI BO AR D
AMPLIFIER /
LEFT CHANNEL
0 R 0 33
PO S.NR
2102
20u
3 1 3 4 G6
3 1 3 5 F10
3 1 3 6 E8 3 114 E 3
BE A D 9 0 M Hz
*
* VARIANT-TABLE
67781
21 3 8 A 11
21 39 H11
3 100 D2
3 121 G10
3 122 G 9
3 125 H4
3 126 D1
3 127 H6
3 108 C4
3 10 9 C10
3 110 E4
*
150W
3 11 9 15K
4K7
0 R 047
470 R
560 R
*
2121 H 9
2122 C11
2124 H10
PHX18 N Q11T
PHX18 N Q11T
S TP14 N F12FP
S TP14 N F12FP
3 111 C 9 21 3 4 F14
21 3 5 G4
21 3 6 H10
Output Filters
*
210 3 A 10
2104 D1
2106 B12
21 3 7 D7
2110 D8
2111 G10
3 101 B11
3 102 E6
3 10 3 B11
3 106 C12
3 107 G7
2117 F14
2118 G12
211
9 G 3
12
3 101
14
1 2
*
Modulator
0 R 0 33 0 R 047
10K
8 9 10
7121
220u
*
2120 F2
12 1 3 14
2125 G1
2126 H7
2128 H11
21
3 0 G11
21 3 2 G 9
F
G
H
1K2
*
5 6 7
2108 D 3
2112 D11
211 3 E8
2114 D10
2115 E14
2116 F12
8 9 10 11
1K5
1 3
A
3 4 5 6 7
2100 A 11
2101 A 11
2102 A 10
11
3 0u
A
B
C
D
E
BE A D 9 0 M Hz
1 2 3 4
B
C
D
E
F
G
H
Driver Stage + Levelshifter
21 3 5
33 0u
21
3
4
220
n
1
n
0
7104
BC856B
Short Circuit
Protection
Short Circuit
Protection
3
117
1K8
2106
9
4 A
8
4Y
11
5 A
10 5Y
1 3
6 A
12
6Y
7
G N D
14
VCC
7105
74LV14D
1
1 A
2
1Y
3
2 A
4
2Y
5
3A
6
3 Y
BC807-25W
7111
100 n
6111
B AS3 16
21
3
6
100
n
2128
3
101
712
9
BC856B
0
R
0
33
2108
33
0
n
2116
10
n
10
n
2104
1
n
0
2118
3 12 9
1K0
100K
3 110
50V
33
0u
21
39
2124 220u
3
14
3
1K0
4K7
3 1 3 6
1K2
3 142
100p 2126
5101
G N D_ S HIELD
G N D_ S HIELD
3 0u
11
5 A
10 5Y
1 3
6 A
12
6Y
7
G N D
14
VCC
G N D_ S HIELD
7118
74LV14D
1
1 A
2 1Y
3
2 A
4
2Y
5
3A
6
3 Y
9
4 A
8
4Y
4 n 7
211 9
5K6
3
1
33
G N D_ S HIELD
Co mbi b o ard P200 3 150W cl ass D , 05 . 12 . 0 3
F102
1K0
O S CILL A TO R
3
125
7122-5
11 10
74HCU04D
14
4
7122-2
3
7
1K0
3 154
74HCU04D
BC847BW
71 3 0
7122-4
74HCU04D
9
7
14
8
MM BT A 42
711 9
100 R
3 10 9
G N D_ S HIELD
100 n
21 3 0
100 n
2100
3 10 3
1K0
BC856B
7128
20u
5105
3
108
4K7
2101
100 n
G N D_ S HIELD 5100
4K7
3
14
9
33
0
R
3
1
3
4
3
145
22
R
3 111
10K
3 100
7406
G N D_ S HIELD
BC846B
71 3 1
9 1 99
220p
2122
100
n
210
3
BC817-25W
71 3 2
3
1
3
8
10K
2102
220u
B AS3 16
610 9
18K
3
148
G N D_ S HIELD
10K
3
1
3
7
2117
G N D_ A
1
n
0
3
106
22K
710 9
3 1 39
470 R
S TP14 N F12FP
510 3
7
14
6
7121
S TP14 N F12FP
7122- 3
74HCU04D
5
12
7122-6
74HCU04D
E
A B C D
F
1 3
1K5
3
107
10K 3
126
3 140
G N D_D
1K2
3
115
1K0
G N D_ S HIELD
G N D_ S HIELD
33
p
21
3
7
50V
33
0u
21
3
8
G N D_ S HIELD
MM BT A 42
7117
4K7
3
102
1
7
14
2
74HCU04D
7122-1
3 114
4K7
4
n
7
2125
BC807-25W
711 3
G N D_ S HIELD
3 1 3 5
100 R
3
144
150K
1
n
0
2115
3
147 10K
HF2024
5102
1 2
4 3
G N D_ S HIELD
F112
3
1
3
0
0
R
0
33
10K
3
127
3 155
4K7
BC817-25W
71 33
G N D_ S HIELD
10 R
3 156
G N D_ S HIELD
220p 2112
21 3 5
470p
3
146
1K5
1u0
+5V_ AM P +5V_ AM P
+5V_ AM P
S C_L
f r o m 7104
to_L S _L
2120
- AM P
to_L S _L_ neg
AM P_D
L N F
AM P_OFF
LOZ
S C_L
to E1
+ AM P_L
* *
BZX
3
84-C6V8
6108
21
3
2
1u0 2111
1u0
7115
BC817-25W
611
3
B
A
V
99
COL
2121 1u0
4K7
3
120
G N D_ S HIELD
15K
3
122
3
121
4K7
Supply
Low-Side Driver
*
*
*
1K8 3
15
3
1K8 3
152
6110
B
A
V
99
COL
B
A
V
99
COL
6114
2114
10u
10K 3
11
9
BC817-25W
7114
G N D_ S HIELD
211
3
1u0
1u0
2110
6106
BZX
3
84-C6V8
Supply
High-Side Driver
3
151
100K
10 R
3
3 3
2
4
3
5
1
1
5
0V 0V 4 . 2V
0 . 7V
4 . 2V 4 . 2V
0V
0V
0V
0V
0 , 5V
-41 , 7V
+4 3 V
+4 3 V
+4 3 V +4 3 V
+4 , 2V
-4 3 V
0V
1 .9 V 2 . 1V 2 . 1V
-41 , 7V
-41 , 8V
-42 , 4V
2 . 1V 2 . 1V 2 . 1V
0 . 4V
B C D E F
G1
G2
H2
H1
I J K
fo r wa v e fo rms see ch a pt er 11-2 Ser v i c e H in t s
... V DC volt ages meas u red in Tu ner m o de EV M V
7
,
8V
7 , 8V
44 , 7V
-42 ,9 V
-42 , 8V
33,3
V
1
,
2V
-40 , 7V
-4 3 V
-VL
-VL2
+VL
+V1L
-V1L
7
,
8V
1
,
2V
2
9,3
V
1 . 2V
-4 3 V
- 3 6V
- 39 V
+46V
-40V
- 3 5V
-42V
+42V
-40V
+50V