Adcom GFA-5400 - ADCOM GFA-5400 Service Parts List; Power Supply PCB Components; Amplifier PCB Components

2
Step Couplin
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Ad
j
ust Ad
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ust For
Plus Lead Minus Lead
1 R675 R675 VR603 DC Voltmeter
2 R676 R676 VR604 reads 35mV
3 L SPKR + L SPKR - VR601 DC Voltmeter
4 R SPKR + R SPKR - VR602 reads 0mV
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GFA-5400 SERVICE PARTS LIST
Power Supply PCB
AF608615
SCHEMATIC ADCOM PART NUMBER DESCRIPTION
LOCATION
C901-C904 12005565 CAPACITOR ELECTROLYTIC 12000uF 63V
C905-C908 12001185 CAPACITOR MP 0.1uF 250V
C909-C912 12005420 CAPACITOR ELECTROLYTIC 1000uF 16V
C913-C916 12005195 CAPACITOR ELECTROLYTIC 470uF 100V
C917-C920 12001185 CAPACITOR MP 0.1uF 250V
D903-D914 16004003 DIODE 1N4003
R901-R904 27001590 RESISTOR 5.6K 1W MOF
R905-R912 27005030 RESISTOR ROED. 10 1/2W FUSABLE
R913-R916 27003280 RESISTOR ROED. 8.2K 2W 5% METAL
TH901, TH902 31000512 THERMISTOR SCK0512
Amplifier PCB
AF608625, AF608635
SCHEMATIC ADCOM PART NUMBER DESCRIPTION
LOCATION
C601,C602 12003175 CAPACITOR STYROL 390pF 125V
C603,C604 12001260 CAPACITOR MP 2.2uF 100V
C605,C606 12005470 CAPACITOR ELECTROLYTIC 47uF 100V
C607,C608 12001020 CAPACITOR LAYER 1uF 50V
C609,C610 12005325 CAPACITOR ELECTROLYTIC 4.7uF 50V
C611,C612 12005280 CAPACITOR ELECTROLYTIC 47uF 50V
C613,C614 12001410 CAPACITOR STYROL 47pF 125V
C615,C616 12001285 CAPACITOR MYLAR 0.1uF 100V
C617,C618 12001420 CAPACITOR STYROL 22pF 125V
C711,C712 12005090 CAPACITOR ELECTROLYTIC 10uF 25V
C713,C714 12002070 CAPACITOR CERAMIC 0.01uF 50V
C715,C716 12005040 CAPACITOR ELECTROLYTIC 22uF 50V
C717,C718 12005080 CAPACITOR ELECTROLYTIC 100uF 16V
D601-D604 16000082 DIODE RD8.2JS-T1
D607-D616 16000082 DIODE RD8.2JS-T1
D711,D712 16004003 DIODE 1N4003
F601-F604 19000500 FUSE 5A 250V
IC711, IC712 21005550 TIMER IC NJM555D
Q601-Q604 33002100 TRANSISTOR IRFD210
Q605,Q606 33000610 TRANSISTOR IRF610
Q607,Q608 33009210 TRANSISTOR IRFD9210