Galvin-Mfg-Co（Motorola）-5MF 电路原理图.pdf

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1、收音机爱 好者资料库 RadioFans.CN I DUMMY GENERATOR GENERATOR ADJUST. 1- step! antenna CONNECTION FREQUENCY TUNER SET TO (in order shown) REMARKS IF ALIGNMENT I. 1 .1 mf Pin 7 -6BE6 265 Kc Hi end stop Peak for maximum. MANUAL OF 19SS MOST-OFTEN-NEEDED RADIO DIAGRAMS MOTOROLA Alignment for Ford Models 5MF and

2、5MF8 (Continued) ALIGNMENT Connect output meter across speaker voice coil. Set tone control to high fc volume to maximum. Attenuate generator to maintain 1.79 volts (1 watt) on output meter to prevent overloading receiver. * Field alignment of tuner is not recommended unless it has been tampered wit

3、h.or has had components replaced. *RF ALIGNMENT - Note: For step 2 back tuner cores 1-3/8 out of coils to eliminate their effect See Fig. See Fig. See Fig. Ant.recept Ant recept Ant recept 1605 Kc 1200 Kc 1605 Kc Hi end stop 9/32 from hi end stop Hi end stop Repeat steps 3 It 4 until no further incr

4、ease; Oxen cement cores in place SENSITIVITY CONTROL 6. I See Fig. I Ant recept ANTENNA TRIMMER ADJ 7. 600 Kc It 5 microvolts output Tune for max Weak station around. 1400 Kc 5, 6 fc 7 8, 9 c 10 5, 6 fc 7 Sensitivity control on trimmer adjustments. Peak for maximum. Peak for maximum using core align

5、ment tools shown in Figure. Peak for maximum. Adj for 1. 79 volt output (1 watt) With receiver in car peak ant trim for max volume. Ant should be fully ex tended. TO CALIBRATE POINTER A. Remove dial scale and tune receiver to 1400 Kc signal. B. To rotate pointer pull pointer off shaft, set to coinci

6、de with calibration mark on front housing (see cover photo) and push back onto shaft. CAUTION: Do not twist pointer while on shaft; this may result in a broken pointer or dial cord. si u uiT * gs ou lutr ontJ -HI END STOP |Tj-MOVE CARRIAGE/it * r FROM HI END STOP FOR 1200 KC. M M M p- r, r i | I I I I I * . J I _l L. 1 J_M COIL TUNING CONE 1605 KC TRIM IBOLQ000TOPJ CORE ALIGNMENT TOOL DETAIL 265 KC ALIGNMENT ADJUSTMENT LOCATION8 DETAIL 52 收音机爱 好者资料库 RadioFans.CN