14
TROUBLESHOOTING
E. No sound in broadcasting (Stereo)
Is 5V obtained at IC101
pin#1, 11, 33?
Oscillation of IC101 pin#5,6?
YES
NO
NO
NO
YES
YES
Is SIF output from RF101
pin#18 to IC101 pin#2?
Is AUDIO output at IC101
pin#26, 27?
Check IC251 pin#2,3.
Check POWER circuit.
Exchange X101.
Check RF101.
Exchange IC101.
NO
NO
Is Video signal input at IC601
pin#50?
Check POWER circuit.
No OSD appears.
Is 5V obtained at IC601 pin#
53, 98, 99?
Is Video signal output at IC601
pin#52?
NO
Replace IC601.
D. No OSD(On Screen Display) appears
YES
YES
NO
Check IC 601.
Check IC 601.
Содержание DV6T811N-LT
Страница 27: ...26 WAVEFORMS 15 9 P201 2 2 AUDIO 2 1 AUDIO Mono 2 2 AUDIO HI Fl Q901 collector...
Страница 29: ...28 CIRCUIT DIAGRAM 1 POWER SUPPLY SCHEMATIC DIAGRAM 120V ONLY 5...
Страница 30: ...29 CIRCUIT DIAGRAM 2 PO W ER SUPPLY SCH EM ATIC DIA G RA M DV D CO M BO FREE 5...
Страница 31: ...30 CIRCUIT DIAGRAM 3 VIDEO AUDIO SCHEMATIC DIAGRAM...
Страница 32: ...CIRCUIT DIAGRAM 4 SERVO SYSCON SCHEMATIC DIAGRAM 31...
Страница 33: ...CIRCUIT DIAGRAM 5 DIGITAL AUDIO SCHEMATIC DIAGRAM 32...
Страница 34: ...CIRCUIT DIAGRAM 6 Hi Fi SW CIRCUIT DIAGRAM 33...
Страница 35: ...CIRCUIT DIAGRAM 7 INPUT AUTPUT SCHEMATIC DIAGRAM 34...
Страница 36: ...CIRCUIT DIAGRAM ATATI 35...
Страница 37: ...CIRCUIT DIAGRAM 36...
Страница 38: ...CIRCUIT DIAGRAM CPU 37...
Страница 39: ...CIRCUIT DIAGRAM DECODER 38...
Страница 40: ...39 PCB CIRCUIT BOARD 1 1 VCR MAIN 6...
Страница 41: ...PCB CIRCUIT BOARD 1 2 POWER 40...
Страница 42: ...PCB CIRCUIT BOARD 1 3 LOGIC 41...
Страница 43: ...PCB CIRCUIT BOARD 2 1 DVD MAIN A 42...
Страница 44: ...PCB CIRCUIT BOARD 2 2 DVD MAIN B 43...
Страница 48: ...47 INSTRUMENT DISASSEMBLY FIG 6 F MAIN PCB DISASSEMBLY Remove 1 screws then remove MAIN PCB Remove 3 screws...
Страница 49: ...48 INSTRUMENT DISASSEMBLY G MAIN CHASSIS DISASSEMBLY FIG 7 Remove 6 screws then remove MAIN CHASSIS...