45
FLOW CHART
Is the video signal obtained
from pin 8 of IC602
(A/V SW circuit)?
YES
To PREAMP circuit
Check AV SW circuit
NO
NO
Check ON/OFF 5V
Is ON/OFF 5V supplied to pin
36 and pin 47 of
IC301 at 5 volts?
YES
NO
Check IC301
Is the down-converted colour
signal obtained from pin
14 of IC301?
YES
NO
Check Q305, R323, R324
R325, R326, R327, C356
Is the down-converted colour
signal from pin 14 of IC301 fed
to pin 7 of IC401 through
buffer(Q305)?
YES
NO
Check PCB pattern and
adjacent circuit
Is the video signal from pin 8
of IC602 fed to pin 35 of IC301?
YES
E. TROUBLESHOOTING OF PAL COLOUR IN THE RECORD MODE.
Summary of Contents for DV-K82 series
Page 71: ...68 CIRCUIT DIAGRAMS 9 1 Connection Diagram SECTION 9 CIRCUIT DIAGRAM 68...
Page 72: ...69 CIRCUIT DIAGRAMS R819 5 1 9 2 Power Circuit Diagram...
Page 73: ...70 CIRCUIT DIAGRAMS 9 3 Syscon and Logic Circuit Diagram...
Page 74: ...71 CIRCUIT DIAGRAMS 9 4 AV SW Circuit Diagram...
Page 75: ...72 CIRCUIT DIAGRAMS 9 5 IF PDC Circuit Diagram TM...
Page 76: ...73 CIRCUIT DIAGRAMS 9 6 If Module Circuit Diagram A2...
Page 77: ...74 CIRCUIT DIAGRAMS 9 7 If Module Circuit Diagram Nicam...
Page 78: ...75 CIRCUIT DIAGRAMS 9 8 Hi Fi Pre Amp Circuit Diagram...
Page 79: ...76 CIRCUIT DIAGRAMS 9 9 Video Audio Circuit Diagram...
Page 80: ...77 CIRCUIT DIAGRAMS 9 10 Remocon Circuit Diagram...
Page 81: ...SECTION 10 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW 78 P C B LOCATION 10 1 PCB Main...
Page 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...
Page 83: ...81 P C B LOCATION DV K88 S S Series...
Page 84: ...SECTION 11 DISASSEMBLY 83 DISASSEMBLY 11 1 Packing Ass y...
Page 85: ...84 DIAGRAMS DV K88 Series DV K82 Series DV K8K Series DV K86 Series 11 2 Front Panel Assembly...
