Philips MCM595/21 Service Manual page 56

2100 A11 2106 B12 2113 E8 2118 G12 2124 H10
2101 A11 2108 D3 2114 D10 2119 G3 2125 G1
2102 A10 2110 D8 2115 E14 2120 F2 2126 H7
2103 A10 2111 G10 2116 F12 2121 H9 2128 H11
2104 D1 2112 D11 2117 F14 2122 C11 2130 G11
1 2 3
COMBI BOARD
4
AMPLIFIER /
LEFT CHANNEL
* VARIANT-TABLE
67781 67841/67941
POS.NR
150W 75W SA / 75W TAPE SA stands fror Sound Agent
2102 220u
A 330u
2138
2119 4n7 1n5
2124 220u
330u
2139
2135 470p 1n
3101 0R033 0R047
3109 100R 4R7
3111 1R0
10R
3119 10K 15K
3120 4K7 4K7
B
4K7 4K7
3121
3130 0R033 0R047
3135 100R
4R7
3139 470R 560R
3140 1K2 1K5
3152 1K8 1K5
3153 1K8 1K5
3156 10R 1R0
5101 30u
C
5105 20u
7109 PHX18NQ11T STP14NF12FP
7121 PHX18NQ11T STP14NF12FP
7132
BC817-25W
7133 BC817-25W
0V
2
7406
9199 0.7V
3100
7130
AMP_OFF
BC847BW
10K
Amplifier ON-OFF Switch
D
0V
GND_SHIELD
GND_D GND_SHIELD
from 7104
3114
SC_L
4K7
E
Modulator
F
+5V_AMP
B
7122-1
GND_SHIELD
74HCU04D
14
* 3139
1
1
3
LNF
A
G
470R
2.1V
7
GND_SHIELD
* 2119
4n7
GND_SHIELD
GND_SHIELD
GND_A
H
1 2 3
11-8
2132 G9 2138 A11 3103 B11 3110 E4 3119 D9 3126 D1
2134 F14 2139 H11 3106 C12 3111 C9 3120 G10 3127 H6
2135 G4 3100 D2 3107 G7 3114 E3 3121 G10 3129 G11
2136 H10 3101 B11 3108 C4 3115 F6 3122 G9 3130 G11
2137 D7 3102 E6 3109 C10 3117 D7 3125 H4 3133 G7
4 5 6
3 3
+5V_AMP +5V_AMP
4.2V 4.2V
5
AMP_D
-41,7V
0,5V
0V
7122-6 7122-5
74HCU04D 74HCU04D
13 12 11 10
1 1
E F
0V 4.2V 0V
3110
100K
0V
0.4V 0V
7128
C D E F BC856B
7122-2 7122-3 7122-4
74HCU04D 74HCU04D 74HCU04D
14 14 14
3140
2 * 3 4 5 6 9 8
1 1 1 7119
B C D
MMBTA42
1K2
1.9V 2.1V 2.1V 2.1V 2.1V
7 7 7
2135
*
470p
LOZ -41,7V
3
OSCILLATOR
4 5 6
3134 G6 3139 G1 3145 D11 3151 C10 3156 F10 5105 E12
3135 F10 3140 G4 3146 G7 3152 C9 5100 A11 6106 D9
3136 E8 3142 G8 3147 D5 3153 C9 5101 E12 6108 G9
3137 F13 3143 G5 3148 G2 3154 E8 5102 F13 6109 E8
3138 F13 3144 G2 3149 F3 3155 E8 5103 H11 6110 C10
7 8 9
+50V
-40V
* 3111
10R
GND_SHIELD
Driver Stage + Levelshifter
Supply
High-Side Driver
7105
74LV14D
14
VCC
1A
1Y
1 2
7114
2A
2Y BC817-25W
3 4
3A
3Y
5 6
+V1L
4A
4Y
9 8
5A
11 5Y 10
6A
6Y
13 12
+46V
GND
7
-39V
-V1L 1.2V
G2
6109
BAS316
3154
1K0
3136 3155
4K7 4K7
G1
*
7118
-36V 74LV14D
14
VCC
1A
1 1Y 2
-43V
2A
2Y
3 4
3A
3Y
5 6
4A 7115
4Y
9 8
F102 +VL
BC817-25W
5A
5Y
11 10
13 6A 6Y 12
GND
7
3142
Supply
1K2
6111
Low-Side Driver
BAS316
-40,7V -VL
-41,8V
7131
BC846B
-42,4V
-43V -VL2
7 8 9
11-8
6111 H8 7109 C11 7117 G12 7122-2 G4 7128 F6 7133 F11
6113 H9 7111 C10 7118 F7 7122-3 G4 7129 D6 9199 D1
6114 E9 7113 F10 7119 G6 7122-4 G5 7130 D2 F102 G9
7104 B13 7114 D9 7121 F11 7122-5 E4 7131 H6 F112 G12
7105 C7 7115 G9 7122-1 G3 7122-6 E3 7132 B11 F114 D14
10 11 12
Power Stage 1
+AMP_L
2101
+43V
100n
5100 GND_SHIELD
BEAD 90MHz
2100
100n
GND_SHIELD
*
*
GND_SHIELD
Short Circuit
*
Protection
3103
*
7132
BC817-25W
+43V +43V
1K0
H2
3109
*
* SC_L
7109
100R to E1
STP14NF12FP
7111
BC807-25W
GND_SHIELD
I
* 5105
+42V
20u
* 5101
-42V
30u
7,8V
7133
*
-35V
BC817-25W
-40V
H1
3156 * 3135
7121
*
10R 100R
STP14NF12FP
GND_SHIELD
44,7V
7113
Short Circuit
BC807-25W
Protection
7117
MMBTA42
3129 -42,8V
F112
1K0
-42,9V
*
2130
100n
GND_SHIELD
5103
BEAD 90MHz
2128
100n
GND_SHIELD
GND_SHIELD
EVM
-43V
-AMP
1
10 11 12
13 14
A
B
+43V
7104
BC856B
+4,2V
C
D
J K
Output Filters
E
to_LS_L
5102
2 1
5
3 4 GND_SHIELD
HF2024
to_LS_L_neg
GND_SHIELD
F
G
H
V ...V DC voltages measured in Tuner mode
for wave forms see chapter 11-2 Service Hints
Combi board P2003 150W class D, 05.12.03
13 14