1-10-9
H9740TS
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(10) of
IC501, does the "L" pulse switch to the "H" pulse?
When loading a cassette tape, on Pin(10) of IC501,
does the "L" pulse switch to the "H" pulse?
When loading a cassette tape, on Pin(4) of IC501,
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
service it if defective.
Replace IC501.
Replace the Capstan Motor unit.
Replace the Loading Motor unit.
While the Capstan Motor is rotating, is the Takeup
Reel rotating?
Is the Loading Motor rotating?
Check the Cassette Cam or Cassette Gear, etc,
and service it if defective.
While the Takeup Reel is rotating, is the reel pulse
signal inputted to Pin(80) of IC501?
While the reel pulse signal is inputting, is "L" pulse
outputted to Pin(81) of IC501?
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(10) of IC501, and service it if defective.
Replace the Capstan Motor Unit.
Replace the Loading Motor Unit.
Replace IC501.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
Check the line between the start sensor and
Pin(10) of IC501, and service it if defective.
Check the line between the end sensor and
Pin(4) of IC501, and service it if defective.
Check the line between the LD-SW(SW507) and
Pin(9) of IC501, and service it if defective.
Check the line between the Takeup Reel sensor
and Pin(80) of IC501, and service it if defective.
No
No
No
No
No
No
No
No
No
No
Содержание DV-NC100S
Страница 48: ...1 12 3 1 12 4 H9740SCM1 Main 1 9 Schematic Diagram VCR Section ...
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Страница 51: ...Main 4 9 Schematic Diagram VCR Section 1 12 9 1 12 10 H9740SCM4 ...
Страница 52: ...1 12 11 1 12 12 H9740SCM5 Main 5 9 Schematic Diagram VCR Section ...
Страница 53: ...Main 6 9 Schematic Diagram VCR Section 1 12 13 1 12 14 H9740SCM6 ...
Страница 54: ...Main 7 9 DVD Open Close Schematic Diagrams VCR Section 1 12 15 1 12 16 H9740SCM7 ...
Страница 55: ...Main 8 9 Schematic Diagram VCR Section 1 12 17 1 12 18 H9740SCM8 ...
Страница 56: ...1 12 19 1 12 20 H9740SCM9 Main 9 9 Schematic Diagram VCR Section ...
Страница 58: ...Jack A Schematic Diagram 1 12 23 1 12 24 H9740SCJ ...
Страница 59: ...AFV Schematic Diagram 1 12 25 1 12 26 H9740SCAFV ...
Страница 60: ...1 12 27 1 12 28 H9740SCD1 DVD Main 1 3 Schematic Diagram DVD Section ...
Страница 61: ...1 12 29 1 12 30 H9740SCD2 DVD Main 2 3 Schematic Diagram DVD Section ...
Страница 69: ...1 12 46 BE5900G04012 1 12 45 DVD MAIN CBA Top View ...
Страница 70: ...1 12 47 1 12 48 BE5900G04012 DVD MAIN CBA Bottom View ...
