3-7
2. SYSTEM/KEY CIRCUIT
(1) AUTO STOP
(2) The unstable loading of a Cassette tape
Auto Stop
Does the SW30 waveform
appear at the IC501
Pin18?
Do the T-UP Reel Pulses
appear at the IC501 Pin80?
Is 12V applied to the
PMC01 Pin8?
Check the Drum Motor
signal.
Does 5V appear at the
RS501?
Check the Q160 Power
Circuit.
Refer to “SMPS DRUM
12 Volt Trouble Shooting”.
Is 5V applied to the
R531 ?
Refer to SMPS 5.3VA
troubleshooting.
Check the IC501
Pins22, 23, 24, 25.
Do T/UP Reel Pulses
appear at the point
between R556 and R536?
Replace the T/UP Reel
Sensor (RS501).
Check the CST SW and
the peripheral circuitry.
Replace the IC501.
The unstable loading of a
Cassette tape
Does the “H” signal appear
at the IC501 Pin60 during
inserting the CST ?
Does the “L” signal appear
at the IC501 Pin19 during
inserting the CST?
Check the Deck
Mechanism.
Caution :
Auto stop can occur because Grease or Oil is dried up
YES
YES
YES
NO
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
Содержание dvw6100
Страница 36: ...3 34 3 35 2 TU IF CIRCUIT DIAGRAM PB REC ...
Страница 41: ...3 44 3 45 7 KEY CIRCUIT DIAGRAM SRC1203 SRC1203 SRC1203 LD601 C6G1 C6G2 PT3955 DVW 6100 SANYO ...
Страница 44: ...PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE 3 50 3 51 ...
Страница 63: ... 02 12 04 R17149A DVW 6100 SANYO DAP202K 3 76 3 77 6 JACK CIRCUIT DIAGRAM ...
Страница 68: ...LOCATION GUIDE 3 86 3 87 PRINTED CIRCUIT DIAGRAMS NS 1 SUB P C BOARD TOP VIEW ...
Страница 69: ...LOCATION GUIDE 3 88 3 89 2 SUB P C BOARD BOTTOM VIEW ...
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