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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Description DSL ON control output of headphones. DSL ON= H. Audio mute output. Standby output of headphones. During standby =L. Power on= H. Wired LCD remote control output. Power-off output of power supply IC. L= Power off. Discharge output. Charge output. Full indication LED output of battery remaining amount display. L= LED ON. Medium indication LED output of battery remaining amount display. L= LED ON. Empty indication LED output of battery remaining amount display. L= LED ON. Not used. Open/close detection switch input of lid. EL backlight control output. Spindle PWM control output. Outputs to light button LED of CAR-KIT model. H= Lights. Spindle-loss mode. (H= There is no spindle-loss mode). L= Enters TEST mode. Input to select either 10 seconds or 10/40 seconds by AHC-5. H= 10 seconds. L= 10/ 40 seconds. Not used. LCD segment output. Not used.
