Teac AG-790 Service Manual Download Page 8 | Manualshive

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4 PC BOARDS AND PARTS LIST

MAIN PCB

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Summary of Contents for AG-790

Page 1: ...ws are not supplied As regards the resistors and capacitors refer to the circuit diagrams contained in this manual Parts marked with this sign are safety critical components They must be replaced with...

Page 2: ...ponse 30 Hz 15 kHz 2 3 dB Stereo Separation 1 kHz 35 dB Signal to Noise Ratio Mono 57 dB Stereo 55 dB AM Tuner Section Tuning Range 530 kHz 1 720 kHz 10 kHz steps Usable Sensitivity 55 dB m Total Harm...

Page 3: ...switch to CD 2 Set 7VR1 and 7VR2 to the center position 3 Connect the DC voltmeter as shown below after preheating for 10 minutes and adjust 7VR2 Lch so that the voltage becomes 3 3 1 3mV 4 Adjust 7VR...

Page 4: ...OUT FM 90 MHz 2L2 4 5T Max 5 FM Distortion 98 MHz 60 dBf 1 kHz 100 Mod REC OUT FM 98 MHz 2T4 PINK Min distortion 6 FM Stereo 98 MHz 60 dBf Stereo signal L R REC OUT FM 98 MHz 2T5 2T6 Min distortion 1...

Page 5: ...ltmeter FM Signal Generator Stereo Signal Generator Distortion Analyzer D E G F AC Voltmeter AM Signal Generator B C AM Loop Antenna 60cm 2T3 2T6 2T5 2T2 2T1 2T4 2L2 2L3 2TC2 2R19 2J2 TUNER PCB DC Vol...

Page 6: ...3 EXPLODED VIEWS AND PARTS LIST 6...

Page 7: ...ASSY 037900206 19 9A09756560 POWER PCB ASSY 037900505 21 9A09760500 BOTTOM COVER 520505200 22 9A09759500 POWER TRANSFORMER 159642022 23 9A09760900 HEAT SINK 560502200 24 9A06901200 H S BRACKET 540082...

Page 8: ...8 4 PC BOARDS AND PARTS LIST MAIN PCB...

Page 9: ...9 SP JACK PCB SP SEL PCB HEADPHONE PCB POWER PCB FRONT PCB TUNER PCB...

Page 10: ...649A 7V19 20 9A09754000 TR 2SC5200 O 7V21 22 9A09754100 TR 2SA1943 O 7V23 24 9A09589700 TR 2N5551 7V25 9A09589800 TR 2N5401 7V26 29 9A09590100 TR 2SC8050D 7VR1 2 9A09585700 VR SEMI FIXED 300 J RELA D...

Page 11: ...660 SP SEL PCB ASSY 9A09758700 SP SEL PCB SWA B 9A09758800 SP SELECTOR SW SP JACK PCB ASSY REF NO PARTS NO DESCRIPTION 9A09759060 SP JACK PCB ASSY 9A09759100 SP JACK PCB 9A09759200 SP JACK POWER PCB A...

Page 12: ...L REC L AUX L AUX R TAPE L REC R TAPE R 4R1 470 4R2 470 4R5 22K 4R6 22K 4C1 471 4C2 471 4C3 181 4C4 181 4C5 181 4C6 181 4C9 102 4C10 102 4C13 223 4C14 223 4C11 562 4C12 562 4R9 12K 4R10 12K 4R7 270 4...

Page 13: ...3 7C14 30P 7C10 104 7V8 5401 7V6 5401 7V12 5551 7V14 5551 7V18 649A 7V22 1943 7V20 5200 7V16 669A 7V10 5401 7R14 22K 7R12 100 7R10 100 7V4 5551 7C6 47U 63V 7R30 220 7R26 3K3 0 5W 7R8 3K3 7R6 3K3 7C2 4...

Page 14: ...102 2C21 102 2R15 300K 2R14 2K 2R9 100K 2C10 501 2C15 203 2C9 20 2R10 8K2 2R6 100K 2C13 203 2C4 7 2C6 152 2R3 3K3 2R5 3K3 2C12 203 2C8 152 2C25 104 2R4 100 2R8 100K 2C14 203 2R7 100K 2C7 152 2R16 22K...

Page 15: ...N4148 8D6 1N4148 8D7 1N4148 8R21 10K 8R22 10K 5V POW DGND 0V 8R1 10K 8C2 100U 25V 8C3 100U 35V 8D2 1N4148 8C1 470U 16V 8R26 10K 8R25 10K 8R24 10K 8R23 10K V F D 8C6 104 S13 S14 S15 S16 1 2 3 4 5 6 7 8...

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