TUNER ADJUSTMENTS • Use a plastic screw driver for adjustments. • Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter. • Set of unit Supply voltage : DC 12V Speaker : 32 Function switch : RADIO PARTS LOCATION 1.
TAPE DECK ADJUSTMENTS 1. HEAD REPLACEMENT • After replacement, demagnetize the heads by using a degausser. • Be sure to clean the heads before attempting to make any adjustments. • All wiring should be returned to the original position after work is completed. 2.
PARTS LIST PRODUCT SAFETY NOTICE EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE IEC SYMBOL IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY ! ! ! CAN OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED , USE ONLY THE REPLACEMENT PARTS DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED IN THE PARTS LIST IN THIS MANUAL.
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IC BLOCK DIAGRAM & DESCRIPTION IC902 LC78622E(Degital Signal Processor) Terminal Terminal DESCRIPTION symbols 1 DEFI Input terminal for defect detection signals (DEF). (Ground when not used.) 2 TAI Input terminal for test. Pull-down resistor incorporated. Make sure to ground. 3 PDO Output terminal for phase-comparator for external VCO control.
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IC BLOCK DIAGRAM & DESCRIPTION IC902 LC78622E(Degital Signal Processor) Terminal Terminal DESCRIPTION symbols 43 XVDD Power terminal for crystal oscillator 44 XOUT Joining terminal for crystal resonator (16.9344 MHz) 45 XIN 46 XVSS Ground terminal for crystal oscillator. Make sure to ground. 47 SBSY Output terminal for synchronizing signals of sub-code clock.
WIRING CONNECTION AC IN (6P) CD MECHANISM BATTERY DC12V ORANGE BLACK PICKUP (16P) BROWN FM ROD ANT. CN1101 (3P) FS1101 T1.6A L 250V DC-12V RECTIFIER P.W.B JK301 CN401 (3P) CN902 (6P) CD SWITCH CN904 (2P) CD MAIN AMP/TU P.W.B CN901 (16P) CN903 CN403...
SCHEMATIC DIAGRAM(MAIN) PRODUCT SAFETY NOTICE Each precaution in this manual should be followed during servicing. Components identified with the IEC symbol in the parts list and the schematic diagram designated components in which safety can be of special significance. ! ! ! When replacing a component identified by ! ! ! , use only the replacement parts designated, or parts with the...