JVC HR-V506EL Service Manual page 27

7. Power Circuit(SMPS)
(2) No 12VA.(Capstan)
No 12VA.
Does 5.3VA work normally?
Is the D109 normal?
Check 12VA Line of the Main PCB short.
(3) No 12VA (CANAL, Buffer)
No 12VA.
Is Vcc(about 13VA) put into the Q155(E)?
Is Voltage(about 12V) put into the
Q155(C)?
Check or Replace the Q155.
YES
YES
YES
YES
YES
YES
NO
Check whether 5.3VA is out of order.
NO
Replace the D109.
NO
Replace the Peripheral Circuitry of D160.
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