Adcom GFA-7400 Service Manual page 4

5 channel power amplifier
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Q18
33000042
SCHEMATIC
ADCOM PART NUMBER
LOCATION
R01
27004050
R02
27004135
R03
27004135
R04
27004500
R05
27004050
R06
27004610
R07
27003420
R08
27003425
R09
27004610
R10
27004135
R11
27004310
R12
27004500
R13
27004135
R14
27004091
R15
27003420
R16
27003190
R17
27004135
R18
27004670
R19
27004225
R20
27004610
R21
27004610
R22
27003415
R23
27004260
R24
27004050
R26
27004145
R27
27004145
R28
27004170
R29
27004085
R30
27004085
R31
27004170
R32
27004420
R33-R36
37006055
R37
27004070
R38
27004120
R39
27004420
R40
27003200
R41
27004200
R42
27004070
R43
27004630
R44
27004070
R45
27004135
R46
27004120
R47
27003280
R48
27003280
TB1
32007000
TH2
31007400
U1
21005550
VR29
35001500
TRANSISTOR
DESCRIPTION
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
RESISTOR
THERMAL BREAKER
THERMISTOR
IC
BIAS POT
3
MPSA42
1K
4.99K
4.99K
49.9K
1K
22.1
249
347
22.1
4.99K
1.78K
49.9K
4.99K
75K
249
5.6K 1/2W
4.99K
100
475
37.4
37.4
75
2.74K
1K
392
392
10
49.9
49.9
10
33.2
.33 3W
2.21K
22.1K
33.2
5.1 2W
10K
2.21K
221K
2.21K
4.99K
22.1K
8.2K 2W
8.2K 2W
CL150
LM555
200

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