3. TROUBLESHOOTING
3-1. Main Circuit
3-1-1. Servo System
(1) Initial Operation after Power ON
Power ON
Send each LSI hard RST
command and initial command.
Pickup head is positioned at
transmission initial position.
Is tray closed?
Pin 5 of CN502,
TCLS=L
Disc presence/absence and
disc judgement
Is a disc present?
DVD or CD initial setting.
DVD single
Initial setting.
DVD dual
Initial setting.
CD
Initial setting.
To each disc playback process.
DVD single (single-layer)
DVD single
(single-layer)/DVD dual
(dual-layer)/CD?
CD
DVD dual (dual-layer)
1
Tray close operation
Pin 126 of IC605: LDMP = H/L
Pin 127 of IC605: LDMN = L
Is tray closed?
Pin 5 of CN502:
TCLS = L
Y
N
Tray stops.
Pin 126 of IC605: LDMP = H
Pin 127 of IC605: LDMN = L
Laser OFF
Display: INSERT DISC
Monitor screen: NO DISC
Y
Y
NG
N
N
2
Fig. 1-3-1
Содержание SD-110EB
Страница 4: ...SECTION 1 GENERAL DESCRIPTIONS 1 OPERATING INSTRUCTIONS SD 110EB SECTION 1 GENERAL DESCRIPTIONS ...
Страница 80: ...4 2 Power Supply Block Diagram Fig 3 4 2 ...
Страница 82: ...Fig 3 4 5 4 3 3 Front Display Power Switch Block Diagram ...
Страница 83: ...µ Fig 3 4 6 4 4 Main Block Diagrams 4 4 1 Servo System Block Diagram ...
Страница 84: ...Fig 3 4 7 4 4 2 Signal System Block Diagram ...
Страница 85: ...Fig 3 4 8 4 5 Output RGB Block Diagram ...
Страница 86: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 5 1 5 CIRCUIT DIAGRAMS 5 1 Power Supply Circuit Diagram ...
Страница 88: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 5 3 5 2 Front Display Power Switch Circuit Diagram ...
Страница 91: ...5 3 2 Main Circuit Diagram Fig 3 5 5 ...
Страница 92: ...5 3 2 Main Circuit Diagram ...
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Страница 99: ...Fig 3 5 5 ...
Страница 101: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F Fig 3 5 7 5 4 Output RGB Circuit Diagram ...
Страница 102: ...10 1 3 4 A B C D E G 2 5 6 7 8 9 F 5 5 Motor System Circuit Diagram Fig 3 5 8 ...
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