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Good scan of the original service manual. All schematics and adjustment procedures are there. It helped me to fix a long lasting problem with the tracking circuitry. The manual also includes the supplementals 1,2 and 3. Included are; electrical schematic's , pcb layout's, mechanical drawing's and exploded views, disassembly manual and maintenance procedures. 236 pages.
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The Service Manual received was helpful. The electronic information is exactly what I needed.
I recomend all of my friends about this technical page.
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High quality scan of service manual. I am satisfied!
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Excellent copies.
I will use "Owner Manual" again a second time.
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Very good manual for Technics SL 303. Manuale molto utile.
DV-SP502/502E SERVICE PROCEDURES-2
2. Safety-check out
(Only U.S.A. model) After correcting the original service problem perform the following safety check before releasing the set to the customer Connect the insulating-resistance tester between the plug of power supply cord and terminal GND on the back panel. Specifications: More than 10M ohm at 500V
INITIALIZING
Factory-shipped condition. Connect the power cord to inlet terminal. Push button "ON" (Mechanical SW). Lighting the LED condition. Press the [STOP] and [STANDBY] same time with NO DISC condition. Push button "STANDBY". Pull out the power cord.
REMOVE THE SOLDER OF LASER DIODE SHORT
When replace the mechanism or DVD main PC board. Shorting the solder of Shot-circuit land. (2 positions)
Mechanism
Short Land
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