69
AVR-4810CI/AVR-4810
4. Power AMP
No sound is output
The protector operates.
YES
Is the power transistor open or short circuit?
YES
Replace the power transistor.
NO
Is the emitter resistance of the power
transistor open?
YES
Replace the emitter resistance.
NO
Is the base resistance of the power
transistor open?
YES
Replace the base resistance.
NO
Is trimmer potentiometer between the base
of the power transistor open?
YES
Replace the trimmer potentiometers.
NO
Is the zener diode and diode which are
connected with the base of a power
transistor short-circuited?
YES
Replace the Zener diode and the
diode.
NO
Is other transistor trouble?
YES
Replace the transistor.
NO
Is other resistance trouble?
YES
Replace the resistance.
NO
Turn on power, check that voltage of the section is normal and that idling electric current is
flowing.
Содержание AVR-4810
Страница 3: ...3 AVR 4810CI AVR 4810 DIMENSION AVR 4810CI AVR 4810 ...
Страница 75: ...75 AVR 4810CI AVR 4810 BLOCK DIAGRAMS 1 4 AUDIO SECTION ...
Страница 76: ...76 AVR 4810CI AVR 4810 BLOCK DIAGRAMS 2 4 ADD AUDIO SECTION 18ch PRE 15ch SPEAKER ...
Страница 77: ...77 AVR 4810CI AVR 4810 BLOCK DIAGRAMS 3 4 DIGITAL AUDIO SECTION ...
Страница 78: ...78 AVR 4810CI AVR 4810 BLOCK DIAGRAMS 4 4 VIDEO SECTION ...
Страница 88: ...88 AVR 4810CI AVR 4810 MEMO ...
Страница 105: ...105 AVR 4810CI AVR 4810 BU9450KV E2 Terminal Function ...
Страница 106: ...106 AVR 4810CI AVR 4810 NJW1321FP1 AV IC501 Functional Block Diagram ...
Страница 109: ...109 AVR 4810CI AVR 4810 LA73053 TLM E AV IC101 ...
Страница 110: ...110 AVR 4810CI AVR 4810 LA73062V TLM E AV IC305 ...
Страница 111: ...111 AVR 4810CI AVR 4810 AK4125VF DI IC466 Functional Block Diagram ...
Страница 112: ...112 AVR 4810CI AVR 4810 PCM1804 DI IC302 ...
Страница 113: ...113 AVR 4810CI AVR 4810 PCM1791ADBR DI IC301 IC304 IC305 IC306 IC353 IC354 PCM1791ADBR Terminal Function ...
Страница 114: ...114 AVR 4810CI AVR 4810 LC74781M DI IC201 Functional Block Diagram ICL3232CVZ T MA IC101 ...
Страница 115: ...115 AVR 4810CI AVR 4810 AK4424ET DI IC351 IC352 Functional Block Diagram ...
Страница 120: ...120 AVR 4810CI AVR 4810 CS2100 CZZR DI IC154 Functional Block Diagram ...
Страница 121: ...121 AVR 4810CI AVR 4810 2 FL DISPLAY FLD 19 ST 02GINK FR FL101 PIN CONNECTION GRID ASSIGNMENT ...
Страница 122: ...122 AVR 4810CI AVR 4810 ANODE CONNECTION ...
Страница 123: ...123 AVR 4810CI AVR 4810 PRINTED WIRING BOARDS 8U 110047 FRONT P W B UNIT 1 2 COMPONENT SIDE ...
Страница 124: ...124 AVR 4810CI AVR 4810 8U 110047 FRONT P W B UNIT 2 2 FOIL SIDE ...
Страница 125: ...125 AVR 4810CI AVR 4810 8U 110048 POWER SUPPLY P W B UNIT 1 2 COMPONENT SIDE ...
Страница 126: ...126 AVR 4810CI AVR 4810 8U 110048 POWER SUPPLY P W B UNIT 2 2 FOIL SIDE ...
Страница 127: ...127 AVR 4810CI AVR 4810 8U 110049 P AMP P W B UNIT 1 2 COMPONENT SIDE ...
Страница 128: ...128 AVR 4810CI AVR 4810 8U 110049 P AMP P W B UNIT 2 2 FOIL SIDE ...
Страница 129: ...129 AVR 4810CI AVR 4810 8U 110067 SPEAKER P W B UNIT 1 2 COMPONENT SIDE ...
Страница 130: ...130 AVR 4810CI AVR 4810 8U 110067 SPEAKER SUPPLY P W B UNIT 2 2 COMPONENT SIDE ...
Страница 131: ...131 AVR 4810CI AVR 4810 8U 110074 SPEAKER P W B UNIT COMPONENT SIDE FOIL SIDE ...
Страница 133: ...133 AVR 4810CI AVR 4810 8U 210063 A AUDIO VIDEO P W B UNIT 2 2 FOIL SIDE ...
Страница 134: ...134 AVR 4810CI AVR 4810 8U 210064 MAIN CPU P W B UNIT COMPONENT SIDE FOIL SIDE ...
Страница 135: ...135 AVR 4810CI AVR 4810 8U 310030 DIGITAL P W B UNIT 1 4 COMPONENT SIDE ...
Страница 136: ...136 AVR 4810CI AVR 4810 8U 310030 DIGITAL P W B UNIT 2 4 COMPONENT SIDE ...
Страница 137: ...137 AVR 4810CI AVR 4810 8U 310030 DIGITAL P W B UNIT 3 4 FOIL SIDE ...
Страница 138: ...138 AVR 4810CI AVR 4810 8U 310030 DIGITAL P W B UNIT 4 4 FOIL SIDE ...
Страница 139: ...139 AVR 4810CI AVR 4810 8U 310045 DSP3 ASSIGN P W B UNIT 1 2 COMPONENT SIDE ...
Страница 140: ...140 AVR 4810CI AVR 4810 8U 310045 DSP3 ASSIGN P W B UNIT 2 2 FOIL SIDE ...
Страница 192: ...192 AVR 4810CI AVR 4810 MEMO ...