Galvin-Mfg-Co（Motorola）-X17N 电路原理图.pdf

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1、VOLUME R-21, MOST-OFTEN-NEEDED 1961 RADIO SERVICING INFORMATION MOTOROLA VI 2S52 0R 2SA52 CONV 2S53 OR 2SA53 1ST IF AMP V3 2S53 OR 2SA53 2ND IF AMP V4 2S53 OR 2SA53 3RD IF AMP MODEL CHASSIS X17B HS-798 X17N HS-798 X17R HS-798 L2 CONN rcOLO* DOT) OT VIE*I 3 1 | 4 5 I 2_i_y1 Tl. T2, T3 & T4 CONN OT VI

2、E*) T5&T6 CONN BOT VIE*) NOTES CAPACITORS - Unless dherwise specified decimal values in Mf all olhers in MMF VOLTAGES Measured Irom poml indicaled to ground wilh a VTVM, + 10%. No signal m TUNING RANGE 535 KC to 1620 KC IF - 455 KC Resistances measured wilh Iranslstors removed from associated circui

3、try. Zero signal current = 7.0MA IMin Volf Ground V5 2S54 OR 2SB54 AF AMP V7 2S56 OR2SB56 PWR AMP V6 2S54 OR2SB54 DRIVER VC 3 3V T*J3 I Sjd- i ANT CORE T, 4TH IF U 455 KC c ANT TRIM tw 1400 KC - 455 KC , -SC CORE vs 2S5 OR 2SB5S PWR AMP (|i|i|,|= I* 1* CHASSIS REMOVAL 1. Loosen captivated cabinet ba

4、ck mounting screw and pull off cabinet back. 2. Remove 2 chassis mounting screws. 3. Slide chassis to the right and lift out of cabinet. SPEAKER REMOVAL 1. Loosen captivated cabinet back mounting screw and pull off cabinet back. 2. Remove batteries and unsolder speaker lead connected to chassis, the

5、n unsolder earphone jack lead connected to chassis. 3. Remove chassis (see Chassis Removal). 4 Lift up 4 speaker trim ring mounting ears (located at rear of cabinet) then remove trim ring and speaker grille. (FINISH) ALIGNMENT POINT LOCATIONS r f 2-1/2 TURNS GANG SET TO HIGH END (1620KC) 91 DIAL STRINGING DETAIL 收音机爱 好者资料库 RadioFans.CN