FLOW CHART NO.3
Cassette tape can not be loaded.
When loading a cassette tape, on Pin(10) of NoCheck the line between the start sensor and
IC501, does the "L" pulse switch to the "H" pulse?Pin(10) of IC501, and service it if defective.
YesNo
When loading a cassette tape, is the specified Replace the Capstan Motor Unit.
voltage (approximately 13V) outputted to the
terminal of the Loading Motor Unit?
Yes
Replace the Loading Motor Unit.
FLOW CHART NO.4
Cassette tape is ejected right after the loading.
When loading a cassette tape, on Pin(10) of IC501, NoCheck the line between the start sensor and
does the "L" pulse switch to the "H" pulse?Pin(10) of IC501, and service it if defective.
Yes
When loading a cassette tape, on Pin(4) of IC501, NoCheck the line between the end sensor and
does the "L" pulse switch to the "H" pulse?Pin(4) of IC501, and service it if defective.
Yes
When loading a cassette tape, does the LD-SW NoCheck the line between the LD-SW(SW507) and
operate normally?Pin(9) of IC501, and service it if defective.
Yes
Replace IC501.
FLOW CHART NO.5
Cassette tape can not be ejected.
When pressing the eject button, does the CapstanNoRefer to "FLOW CHART NO.6 " <The Capstan
Motor start rotating?Motor does not rotate>.
Yes
While the Capstan Motor is rotating, is the Takeup NoCheck the Reel Disc or Reel Drive Unit, and
Reel rotating?service it if defective.
Yes
While the Takeup Reel is rotating, is the reel pulse NoCheck the line between the Takeup Reel sensor
signal inputted to Pin(80) of IC501?and Pin(80) of IC501, and service it if defective.
Yes
Replace IC501.While the reel pulse signal is inputting, is "L" pulse No
outputted to Pin(81) of IC501?
Yes
Is the specified voltage (approximately 13V) No
Replace the Capstan Motor unit.outputted to the terminal of the Lading Motor Unit?
Yes
Is the Loading Motor rotating?Replace the Loading Motor unit.No
Yes
Check the Cassette Cam or Cassette Gear, etc,
and service it if defective.
1-11-11H9941TS |
ACEC
