12 Procedure for Checking Operation of Individual Parts of
Deck Mechanism Unit
12.1. Operation Check with Cassette Tape
1. Pull up the EJECT lever using a rubber band. (Fig. 6)
2. Supply DC5V to MOTOR. (
→
MOTOR rotates.) (Fig. 5)
3. Insert a cassette tape to the unit.
4. Supply DC9V to the plunger, and turn the power ON and OFF. (
→
Power +PL, -PL) (Fig. 5)
a. FWD PLAY: Supply the plunger power in a flash. (ON: approx. 5msec)
b. FWD FF: Supply the plunger power in a flash at PLAY mode. (ON: approx. 5msec)
c. STOP: Supply the plunger power in a flash at FWD FF mode. (ON: approx. 5msec)
d. REV PLAY: Supply the plunger power in a normal timing at STOP mode. (ON: approx. 200msec)
e. REV REW: Supply the plunger power in a flash at REV PLAY mode. (ON: approx. 50msec)
f.
STOP: Supply the plunger power in a flash at FF mode. (ON: approx. 50msec)
Repeat the operation (
→
FWD PLAY)
(Note) Other operation may start if a timing of supplying the plunger power is missed.
12.1.1. Connection Status between Mechanism and Power Supply (Motor, Plunger)
12.1.2. Operative Parts of Deck Mechanism Unit (EJECT lever fitted with rubber band,
Plunger/Rib operation)
Fig. 6
12.2. Operation Check without Cassette Tape
1. Pull up the EJECT lever using a rubber band. (Fig. 6)
2. Supply DC5V to MOTOR. (
→
MOTOR rotates.)
3. Lift up the mechanism unit’s plunger/rib with the tip of a negative screwdriver, and operate the unit in the same timing as
supplying the power. (Fig. 7)
68
SA-AK770PL / SA-AK770GCP
Содержание SA-AK770PL
Страница 7: ...7 SA AK770PL SA AK770GCP ...
Страница 10: ...6 Operation Procedures 6 1 Main Unit Key Buttons Operations 10 SA AK770PL SA AK770GCP ...
Страница 11: ...6 2 Remote Control Key Buttons Operations 11 SA AK770PL SA AK770GCP ...
Страница 13: ...6 4 Connecting and Playing a USB Mass Storage Class Device 13 SA AK770PL SA AK770GCP ...
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Страница 25: ...8 3 Main Components and P C B Location 25 SA AK770PL SA AK770GCP ...
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Страница 72: ...14 1 2 Main P C B 14 1 3 Panel P C B 72 SA AK770PL SA AK770GCP ...
Страница 73: ...14 1 4 SMPS P C B 14 1 5 D Amp P C B 14 1 6 Deck P C B Deck Mechanism P C B 73 SA AK770PL SA AK770GCP ...
Страница 74: ...14 1 7 Tact Switch P C B Mic P C B 14 1 8 Jupiter USB P C B 74 SA AK770PL SA AK770GCP ...
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Страница 76: ...14 2 Waveform Chart 76 SA AK770PL SA AK770GCP ...
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Страница 121: ...22 Exploded Views 22 1 Cabinet Parts Location SA AK770PL SA AK770GCP 121 ...
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Страница 123: ...22 2 Deck Mechanism Parts Locations RAA4407 S SA AK770PL SA AK770GCP 123 ...
Страница 124: ...22 3 Packaging SA AK770PL SA AK770GCP 124 ...