Audio Output Amplifier - Philips 32PW9618 Service Manual

Circuit Diagrams and PWB Layouts

Audio Output Amplifier

1 1 2 2 3 3
AUDIO OUTPUT AMPLIFIER
A A
B B
WIRED 1100 1
2110
R-AUD 3106
3
AUDIO
I122 1K0 470n
L-AUD
INPUT 2
5
3.5 STEREO
HSJ1636-011070
JACK I123
2115
3110
1K0 470n
C C
PVCC PVCC
I105
D D
7103
BC847CW
E E
1106
PH-B
I111
1
R-RCV
2 I108
To 1790
I112
3
L-RCV
4 SUPPLY RECEIVER
+10V
5
RECEIVER
I110
BACK-END
6 MUTE
I109
F F
7 PWR_SAVE
G G
H H 1109
1108
I115
2 CM04
2 4
DC-SUPPLY
4 EMI
13VDC
1 3
I116
3
PINPOSITIVE
I I
3104 123 4371.2
1 1 2 2 3 3
EM6E
4 4 5 5 6 6
3100
I101
SUPPLY_PREAMP
10V6 220R
3101
8K2
I124 2102 2103 7100-A
3
4
LM837MX
220n 220n
1
2
11
3107
OPTION
OPTION
33K
3108
REF
4 5 6
1102 10K
SSSS822101
LEFT-RIGHT
1 2 3
3111
(OPTION)
33K
3114
8K2
SUPPLY_PREAMP
2127 2128 7100-B
5
4
LM837MX
I125
220n 220n
7
6
11
OPTION
3127
REF
10K
R-RCV
PVCC
ON
GREEN
PVCC
I113
I126
I128 I129
6102 3132 3133 3134
7104
BC847CW
BAS316 10K 47K 100K
3135
7106
BC847CW
47K
6103 3138
7107
BC847CW
BAS316 10K
PVCC
7110
LM317MDT
I117
+13V 3 2
I O +10V
A
1
I121
7111
BC847CW
I120
4 4 5 5 6 6
7. 115
7 7 8 8 9 9 10 10
SUPPLY_PREAMP
REF_AMP 3140 12
PVCC
13
2105
I102
3103
10K
220n AUDIO OUTPUT
20
VP1
19
2111
REF CIN
REF 18
REF
IN1-
220n
2118
17
IN1+
I103
470u 16V
16
CSE
2121
3115 15
10K
PVCC DIAG
470u 16V
14
IN2+
13
2129 IN2-
REF
12
I106 2130
220n OC1
3119
11
10K
220n VP2
REF
REF
PVCC
1110 1104 1105
STANDBY
HOLE 3.5MM HOLE 3.5MM HOLE 3.5MM
RED
I127
7105
BC847CW
OPTION
LED
AMPLIFIER I110 (MUTE) <0V6
GREEN
ON I109 (PWR_SAVE) <0V6
AMPLIFIER I110 (MUTE) 4V
GREEN
MUTED I109 (PWR_SAVE) <0V6
AMPLIFIER I110 (MUTE) 4V
RED
STANDBY I109 (PWR_SAVE) PULSED*
Pulsed * I109 Powersafe from receiver
0.2 Sec
4Vdc
0V6
7 7 8 8 9 9 10 10
11 11 12 12 13 13
7100-D
4
LM837MX
I114
14
REF
SUPPLY_PREAMP
11
7100-C
10
4
LM837MX
8
9
11
7101
TDA1564TH
AMPLIFIER
1
NC1
I104
2
MUTE_AMPn
MODE
3109 I118
3 2112 2113
OUT1-
220n 2116 220n 2117 3R9 3112
4
OUT1+
220n 220n 3R9
5
GND1
6
GND2
2122 2123 3117
7
OUT2-
8 2125 220n 2126 220n 3118 3R9 I119
OUT2+
220n 220n 3R9 I107
9
OC2
10
NC2
I117 I105
Normal Operation
10V 0V7
3.5 mm Jack plugged in
1V2 0V
(wired input)
MUTE_AMP REF AMP2_IN AMP1_IN SE_OUT OUT1+ OUT2+
I126 I127
I113 I114 I106 I102 I103 I118
0V1 11V5 9V7 3V3 3V3 3V3 <7V 6V7
0V1 11V5 2V3 3V3 3V3 3V3 <7V 6V7
11V 0V1 0V1 11V 11V 11V <0V7 <0V7 <0V7
4 Sec
11 11 12 12 13 13
14 14 1100 B1 6102 F3
1101 B14 6103 G4
1102 B5 7100-A B6
1103 C14 7100-B C6
1104 E8 7100-C A12
1105 E9 7100-D A10
1106 E1 7101 B11
1108 H1 7103 D2
1109 H4 7104 F4
1110 E8 7105 F6
2100 A6 7106 F5
2101 A6 7107 G5
2102 B5 7110 H6
A A
2103 B5 7111 I6
2104 B10 I101 A6
2105 B8 I102 B8
2106 B9 I103 C9
2107 B6 I104 B13
2108 B8 I105 D2
2109 B8 I106 C8
2110 B3 I107 C13
2111 B9 I108 E1
2112 B12 I109 F2
2113 B12 2113 B12 I110 F2
B B 2114 C9 I111 E3
2115 C3 I112 E3
2116 C12 I113 F5
2117 C12 I114 A11
1101 To RIGHT
2118 C8 I115 H3
TC28
SPEAKER
2119 B3 I116 H3
4R/15W
2120 C3 I117 H6
2121 C8 I118 B13
2.5 MONO
2122 C12 I119 C13
JACK
2123 C12 I120 I5
2124 C9 I121 H6
2125 C12 I122 B2
C C
2126 C12 I123 C2
2127 C5 I124 B4
1103 To LEFT
2128 C5 I125 C4
TC28 SPEAKER
2129 C9 I126 F5
4R/15W
2130 C8 I127 F6
2.5 MONO 2131 C6 I128 F3
2132 D8 I129 F4
JACK
2133 D8
2134 D9
2135 D11
2136 D10
2137 F3
D D
2138 A11
2139 H3
2140 H4
2141 H5
2142 H5
2143 I6
2144 I6
2145 B10
2146 D10
2147 E2
2148 E2
E E 2149 F2
2150 F2
2151 C11
2152 C11
2153 C11
2154 C11
3100 A7
3101 A6
3102 D2
3103 B7
3104 B4
3105 B5
F F
3106 B3
3107 B4
3108 B7
3109 B13
3110 C3
3111 C4
3112 C13
3113 C2
3114 C6
3115 C9
3116 C4
3117 C13
G G
3118 C13
3119 C7
I107
3120 D5
3121 D2
6V7
3122 D4
3123 D4
6V7 3124 D4
3125 D4
3126 B2
3127 D7
3128 D2
H H 3129 E5
3130 E6
3131 F5
3132 F3
3133 F4
3134 F6
3135 F5
3136 F4
3137 F5
3138 G4
3139 G4
3140 A10
I I
3141 H6
3142 I6
4100 B4
4101 B7
4102 C4
4103 D7
4104 F9
4105 F9
4106 F8
CL36532008_142.eps 6100 E5
130503 6101 E6
14 14