3-9
Does the CFG signal appear at the
PMC01 Pin1?
Does the PWM signal appear at the
IC501 Pin108?
Is “DRUM CTL” 2.8V at the PMC01?
Check the PMC01 and the Capstan
Motor Ass’y.
Does the Capstan PWM signal appear at
the IC501 Pin108?
Aren’t the foil patterns and Components
between IC501 Pin108 and PMC01
Pin9 short?
Does the CFG signal come into the
IC501 Pin9?
Aren’t the foil patterns and Components
between IC501 Pin108 and PMC01
Pin9 short?
2. SERVO CIRCUIT
(3) When the Capstan Motor doesn’t run,
NO
NO
NO
YES
YES
YES
When the Capstan Motor doesn’t run,
Does 12VA appear at the PMC01?
YES
Replace the IC501.
YES
NO
NO
YES
Refer to “SMPS(CAPSTAN/12Volt)
Trouble Shooting”.
Aren’t the foil patterns and component
between IC501 Pin9 and PMC01
Pin1 short?
Check the Capstan Motor Ass’y.
NO
Summary of Contents for HV-DX2E
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Page 45: ...3 50 3 51 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
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Page 69: ...LOCATION GUIDE 3 86 3 87 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...
Page 70: ...LOCATION GUIDE 3 88 3 89 2 MAIN P C BOARD BOTTOM VIEW ...