LG fx4adj free download

File name fx4adj.pdf

MODEL:FR-X4A ADJUSTMENTS(TUNER) This set has been aligned at the factory and normally will not require further adjustment. As a result, it is not recommended that any attempt is made to modificate any circuit. If any parts are replaced or if anyone tampers with the adjustment, realignment may be necessary. 1. ADJUSTMENT & TEST POINT (Tuner P.C. Board) 2. AM IF ADJUSTMENT(on P.C. Board) AM Mode Condition Test Point Adjustment Adjust for 603kHz MOD. 30% Speaker L201 Maximum Terminal 3. FM 0 Volt Adjustment(on P.C. Board) FM mode Contion Test Point Adjustment Adjust for 90MHz 60dB Between point L204 0 100mV R214 -7- MODEL:FJ-X4 ADJUSTMENTS 1. AZIMUTH ADJUSTMENT Deck Mode Test Tape Test Point Adjustment Adjust for Speaker Playback MTT-114 Head Screw R/L Maximum Terminal Electronic Dual-trace Speaker Voltmeter synchroscope Head Terminal Playback Mode L ch L out CH1 CH2 Test Tape R ch Unit MTT-114 GND R out (Azimuth Adjustment Connection Diagram) 2. MOTOR SPEED ADJUSTMENT Deck Mode Test Tape Test Point Adjustment Adjust for Speaker Top side of Playback MTT-114 3kHz 45Hz Terminal mechanism