Westinghouse-Electric-Corp-V-2506-2 电路原理图.pdf

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1、VOLUME R-19, MOST-OFTEN-NEEDED 1959 RADIO SERVICING INFORMATION TUBE REPLACEMENT if To replace the vacuum tubes it is first necessary to remove 1 the cover at the rear of the speaker baffle. This cover has I ventilating holes and is secured by two phillips-head screws. Models H-45AC1A, H-45AC2A, Cha

2、ssis V-2506-3 CHASSIS REMOVAL 1. Remove the cover at the rear of the speaker baffle. This cover has ventilating holes and is secured by two phillips- head screws. 2. Remove the record changer mounting board. This is se cured by four phillips-head screws, one in each corner of the board. Lift the boa

3、rd up and out of the cabinet. To completely detach the changer from the phonograph remove the two cable plugs from the sockets on the amplifier chassis. 3. Remove the three 3/8 speed nuts from the bolts extend ing in from the cabinet front. 4. Tilt the cabinet front (with grille cloth) forward and r

4、emove from the cabinet. The amplifier chassis is mounted on the cabinet front. MONAURAL LOCATED ON CHANGER BASE 1 ALL CAPACITOR VALUES IN MFD, AND ALL RESISTORS 1/2 WATT RATING UNLESS OTHERWISE SPECIFIED. 2 YEARLY PRODUCTION. WESTINGHOUSE Models H-44AC1A, H-44AC2A, Chassis V-2506-2. 50C5 7fH4V BOTTO

5、M View i-1 BASS a LOUDNESS I 4 TREBLE CONT. .047 68 oT MEG| MMF AUDIO OUTPUT TRANS. _ 3.2-n. 220K 470K NOTE: 1. ALL CAPACITOR VALUES IN MFD, AND ALL RESISTORS IN OHMS 1/2 WATT-RATING UNLESS OTHERWISE SPECIFIED. 2. VOLTAGES TAKEN WITH V.T.VM. FROM POINTS INDICATED TO B- - 20% LINE VOLTAGE AT 117 V.A.

6、C CHASSIS REMOVAL 1. Remove the cover at the rear of the speaker baffle. This cover has ventilating holes and is secured by two phillips- head screws. 2. Remove the record changer mounting board. This is se cured by four phillips-head screws, one in each corner of the board. Lift the board up and ou

7、t of the cabinet. To completely detach the changer from the phonograph remove the two cable plugs from the sockets on the amplifier chassis. 3* Remove the three 3/8 speed nuts from the bolts extend ing in from the cabinet front. 4. Tilt the cabinet front (with grille cloth) forward and remove from the cabinet. The amplifier chassis is mounted on the cabinet front. 35W4 50C5VI2AV6 fw 33K M 4 3 4 3 6 200 tRED SW GREEN BLACK I RED_ I grey D IIphono I -1 II motor BLACK * 9 167 收音机爱 好者资料库 RadioFans.CN