46
FLOW CHART
Is Y-FM signal from pin 7 of
IC401 fed to pin 15 of IC301?
YES
To OSD circuit
Check PREAMP circuit
NO
NO
Check Q301, R301, R302
C306, C307, C308, L301
Is the luminance signal from pin
15 of IC301 fed to pin 25 of IC301
through pin 17 and pin 20 ?
YES
NO
Check Q302 and R309
Is the luminance signal from pin
25 fed to pin 26 of IC301
through Q302?
YES
NO
Change IC301
Is the luminance signal from
26 fed to pin 38 of IC301?
YES
NO
Check ON/OFF 5V
Is ON/OFF 5V supplied to pin 36
and pin 47 of IC301 at 5 volts?
YES
F. TROUBLESHOOTING OF LUMINANCE IN THE PLAYBACK MODE.
Содержание DV-K82 series
Страница 71: ...68 CIRCUIT DIAGRAMS 9 1 Connection Diagram SECTION 9 CIRCUIT DIAGRAM 68...
Страница 72: ...69 CIRCUIT DIAGRAMS R819 5 1 9 2 Power Circuit Diagram...
Страница 73: ...70 CIRCUIT DIAGRAMS 9 3 Syscon and Logic Circuit Diagram...
Страница 74: ...71 CIRCUIT DIAGRAMS 9 4 AV SW Circuit Diagram...
Страница 75: ...72 CIRCUIT DIAGRAMS 9 5 IF PDC Circuit Diagram TM...
Страница 76: ...73 CIRCUIT DIAGRAMS 9 6 If Module Circuit Diagram A2...
Страница 77: ...74 CIRCUIT DIAGRAMS 9 7 If Module Circuit Diagram Nicam...
Страница 78: ...75 CIRCUIT DIAGRAMS 9 8 Hi Fi Pre Amp Circuit Diagram...
Страница 79: ...76 CIRCUIT DIAGRAMS 9 9 Video Audio Circuit Diagram...
Страница 80: ...77 CIRCUIT DIAGRAMS 9 10 Remocon Circuit Diagram...
Страница 81: ...SECTION 10 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 78 P C B LOCATION 10 1 PCB Main...
Страница 82: ...80 P C B LOCATION 10 3 PCB Logic DV K8K S S Series DV K86 S S Series DV K82 S S Series...
Страница 83: ...81 P C B LOCATION DV K88 S S Series...
Страница 84: ...SECTION 11 DISASSEMBLY 83 DISASSEMBLY 11 1 Packing Ass y...
Страница 85: ...84 DIAGRAMS DV K88 Series DV K82 Series DV K8K Series DV K86 Series 11 2 Front Panel Assembly...