YES
YES
YES
Does 5.3V appear at
RS501.
Check the Power.
Check the Drum Motor
Signal.
Do Take-up reel pulses
appear at the base of
Q514?
Replace the Take-Up Reel
Photocoupler in the
Deck(RS501).
Auto stop.
Does SW30 waveform
appear at IC501 Pin 105?
Do Take-up reel pulses
appear at IC501 Pin 49?
Change IC501.
A.
NO
NO
NO
NO
YES
3. System & Front Panel Circuit
3-10
Summary of Contents for VHR-H772EV
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Page 57: ...MAINTENANCE INSPECTION PROCEDURE 4 22 GEAR F R GEAR AY P2 P3 Lever F R Base Tension Boss Cam ...
Page 90: ...MEMO ...
Page 91: ...SANYO Electric Co Ltd Osaka Japan Jun 02 K Printed in Japan ...