File information: | |
File name: | f170adj.pdf [preview f170adj] |
Size: | 1717 kB |
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Mfg: | LG |
Model: | f170adj 🔎 |
Original: | f170adj 🔎 |
Descr: | LG Audio ffh-170 f170adj.pdf |
Group: | Electronics > Consumer electronics > Audio |
Uploaded: | 07-03-2022 |
User: | Anonymous |
Multipart: | No multipart |
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Decompress result: | OK | |
Extracted files: | 1 | |
File name f170adj.pdf ADJUSTMENTS 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. ADJUSTMENT & TEST POINT L21 (FM IF ADJUSTMENT) L140 (RECORD BIAS ADJUSTMENT) Figure 1. Main P.C. Board -8- TUNER ADJUSTMENT Item Test Point Adjustment Adjust for DC Voltage IC10 , pin L21 0V 50mV Electronic FM Antenna OSCILLOSCOPE Terminal Signal Generator 26 , 28 PIN Unit GND Figure 2. Tuner(S curve) Adjustment Connection Diagram TAPE DECK ADJUSTMENT 1. AZIMUTH ADJUSTMENT Deck Mode Test Tape Test Point Adjustment Adjust for Remark Speaker Forward:Righthand Side Screw Playback MTT-114 Head Screw R/L Maximum Terminal Reverse:Lefthand Side Screw Electronic Dual-trace Voltmeter synchroscope Head Speaker Playback Mode Terminal L out L ch CH1 CH2 Test Tape Unit MTT-114 R ch GND |
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