Toshiba DVR80KF Service Manual page 36

FLOW CHART NO.6
Capstan Motor does not rotate.
Is 5V voltage supplied to Pin(2) of CN502?
Is over approximately 2.6V voltage supplied to Pin(5)
of CN502?
Is 12V voltage supplied to Pin(1) of CN502?
Replace DECK ASSEMBLY (1B1).
FLOW CHART NO.7
Drum Motor does not rotate.
Is 5V voltage supplied to Pin(2) of CN502?
Is over approximately 2.6V voltage supplied to
Pin(8) of CN502?
Is 12V voltage supplied at Pin(11) of CN502?
Replace DECK ASSEMBLY (1B1).
FLOW CHART NO.8
Drum Motor rotates only for a few seconds.
Is the D-PFG signal inputted to Pin(90) of IC501?
Is the RF-SW signal outputted to Pin(18) of IC501?
Is 12V voltage supplied Pin(11) of CN 502?
Replace DECK ASSEMBLY (1B1).
FLOW CHART NO.9
RF-SW signal is not outputted.
Is the Drum Motor rotating?
Is the D-PFG signal inputted to Pin(90) of IC501?
Replace P1(AV ASSEMBLY).
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Check the P-ON+5V line and replace P1(AV ASSEMBLY)
if defective.
No
Check the line between Pin(5) of CN502 and Pin(76) of
IC501, and replace P1(AV ASSEMBLY) if defective.
No
Check AL+16V/+12V line, and replace P1(AV ASSEMBLY)
if defective.
Check the P-ON+5V line and replace P1(AV ASSEMBLY)
No
if defective.
No Check the line between Pin(8) of CN502 and Pin(77) of
IC501, and replace P1(AV ASSEMBLY) if defective.
No
Check the AL+12V line, and replace P1(AV ASSEMBLY)
if defective.
No
Replace DECK ASSEMBLY (1B1).
No
Replace P1(AV ASSEMBLY).
No
Check the AL+12V line, and replace P1(AV ASSEMBLY)
if defective.
D-FG
5Vp-p
No
Refer to "FLOW CHART NO.7" <Drum Motor does
not rotate> and "FLOW CHART NO.8" <Drum Motor
rotates only for a few seconds>.
No
Replace DECK ASSEMBLY (1B1).
1-11-13
D-PG
D-FG
2.5Vp-p
E9TK3TR