Toshiba D-VR7KC, Service Manual

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1-10-13 E9KG0TR
FLOW CHART NO.3
FLOW CHART NO.4
Cassette tape can not be loaded.
Cassette tape is ejected right after the loading.
FLOW CHART NO.5
Cassette tape can not be ejected.
When loading a cassette tape, on Pin(88) of
IC1501, does the "L" pulse switch to the "H" pulse?
When loading a cassette tape, on Pin(88) of
IC1501, does the "L" pulse switch to the "H" pulse?
When loading a cassette tape, on Pin(81) of
IC1501, does the "L" pulse switch to the "H" pulse?
When pressing the eject button, does the Capstan
Motor start rotating? Refer to "FLOW CHART NO.6 " <The Capstan
Motor does not rotate>.
Check the Reel Disc or Reel Drive Unit, and
replace P1 (BOARD MCV) if defective.
Replace P1 (BOARD MCV).
While the Capstan Motor is rotating, is the Takeup
Reel rotating?
Is the Loading Motor rotating?
While the Takeup Reel is rotating, is the reel pulse
signal inputted to Pin(3) of IC1501?
While the reel pulse signal is inputting, is "L" pulse
inputted to Pin(26) of IC1501?
Is the specified voltage (approximately 13V)
outputted to the terminal of the Lading Motor Unit?
When loading a cassette tape, does the LD-SW
operate normally?
When loading a cassette tape, is the specified
voltage (approximately 13V) outputted to the
terminal of the Loading Motor Unit?
Check the line between the start sensor and
Pin(88) of IC1501, and replace P1 (BOARD MCV)
if defective.
Replace P1 (BOARD MCV).
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Check the line between the start sensor and
Pin(88) of IC1501, and replace P1 (BOARD MCV)
if defective.
Check the line between the end sensor and
Pin(81) of IC1501, and replace P1 (BOARD MCV)
if defective.
Check the line between the LD-SW(SW1512) and
Pin(87) of IC1501, and replace P1 (BOARD MCV)
if defective.
Check the line between the Takeup Reel sensor
and Pin(3) of IC1501, and replace P1 (BOARD
MCV) if defective.
No
No
No
No
No
No
No
No
No
No
Replace 1B1 (DECK ASSEMBLY).
Replace 1B1 (DECK ASSEMBLY).
Replace 1B1 (DECK ASSEMBLY).
Replace 1B1 (DECK ASSEMBLY).
Replace 1B1 (DECK ASSEMBLY).