Read Sony AVD-K700P / HT-V700DP Service Manual online
14
AVD-K700P
Does the CFG signal appear at the
PMC01 Pin1?
PMC01 Pin1?
Does the PWM signal appear at the
IC501 Pin77?
IC501 Pin77?
Is “DRUM CTL” 2.8V appear at the
PMC01?
PMC01?
Check the PMC01 and the Capstan
Motor Ass’y.
Motor Ass’y.
Does the Capstan PWM signal appear at
the IC501 Pin77?
the IC501 Pin77?
Aren’t the foil patterns and Components
between IC501 Pin77 and PMC01
Pin9 short?
Pin9 short?
Does the CFG signal come into the
IC501 Pin87?
IC501 Pin87?
Aren’t the foil patterns and Components
between IC501 Pin77 and PMC01
Pin9 short?
Pin9 short?
(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”.
Trouble Shooting”.
Aren’t the foil patterns and component
between IC501 Pin87 and PMC01
Pin1 short?
Pin1 short?
Check the Capstan Motor Ass’y.
NO
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