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- SERVICING NOTE
- GENERAL
- DISASSEMBLY
- Case and Front Panel Assembly
- Bracket (T), (L) and (R)
- BD Board
- SUB Chassis
- Shutter Assembly
- Over Write Head
- Slider Complete Assembly
- TEST MODE
- ELECTRICAL ADJUSTMENTS
- DIAGRAMS
- Circuit Boards Location
- Block Diagrams
- Waveforms
- Printed Wiring Board — BD Section
- Schematic Diagram — BD Section
- Schematic Diagram — Main Section
- Printed Wiring Board — Main Section
- Printed Wiring Board — Panel Section
- Schematic Diagram — Panel Section
- Printed Wiring Board — HP Section
- Schematic Diagram — HP Section
- IC Block Diagrams
- IC Pin Functions
- EXPLODED VIEWS
- Case and Main Board Section
- Front Panel Section
- Mechanism Deck Section (1) (MDM - 3A)
- Mechanism Deck Section (2) (MDM - 3A)
- ELECTRICAL PARTS LIST
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Good quality service manual German user manual. German user manual This is a quality scan of a manual in excellent condition and is just as good as having the original manual in hand
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The manual for Sony LBT-D505 component stereo system is was excellent , with schematics, parts layout and parts list as well as instructions for adjustments for each component. Print was clear even when enlarged.
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SECTION 1 SERVICING NOTE
JIG FOR CHECKING BD BOARD WAVEFORM
The special jig (J-2501-124-A) is useful for checking the waveform of the BD board. The names of terminals and the checking items to be performed are shown as follows. I+3V IOP TEO VC RF : : : : : For measuring IOP (Check the deterioration of the optical pick-up laser) For measuring IOP (Check the deterioration of the optical pick-up laser) TRK error signal (Traverse adjustment) Reference level for checking the signal RF signal (Check jitter)
Mechanism deck VC TEO IOP I + 3V CN110 RF
Jig (J-2501-124-A)
FORCED RESET
The system microprocessor can be reset in the following way. Use these methods when the unit cannot be operated normally due to the overrunning of the microprocessor, etc. Method : Disconnect the power plug, short-circuit the land of RESET.
[MAIN BOARD] (Conductor Side)
CN303 Short land IC401 TP (RESET)
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