Westinghouse-Electric-Corp-H-55ACS2 电路原理图.pdf

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1、VOLUME R-20, MOST-OFTEN-NEEDED 1960 RADIO SERVICING INFORMATION WESTINGHOUSE Models H-52MPS1, H-52MPS2, H-52MPS3 Aunn output CHASSIS AUDIO OUTPUT 50EH5 71- R2 i 33k 2-5 RIGHT CHAN./ is.75/1 rgr V-2508-02 STERED I CARTRIDGE! LEFT CHAN. OFF ON 8 - VOL ( ONT. AUDIO OX ,50EH5 R6 33 K LEFT CHAN. fe.75rL

2、CU 4/ v 3_3j v l4_3 v t4 I35W4 50EH5 50EH9 yplAC / pnONCy Imotow O- 35W4 RECTIFIER C28 R8 3-3 K IW 80 L _J CHASSIS REMOVAL 1. Remove 4 phillips screws holding the motorboard. Lift the motorboard. 2. Disconnect the speaker leads. 3. Remove the chassis cover (2 screws) and unsolder the 2 leads from th

3、e pickup cartridge and 2 leads from the phono motor. 4. Remove the 2 speed nuts holding the chassis to the motorboard. WESTINGHOUSE Chassis V-2508-04 Models H-55ACS1, H-55ACS2 NOTES: I. ALL CAPACITANCE VALUES IN MFD AND ALL RESISTANCE VALUES IN OHMS UNLESS OTHERWISE STATED. 2- ALL VOLTAGES MEASURED

4、FROM USING A V.T.V.M. LINE VOLTAGE SET AT 117 V.A.C. READINGS SHOULD BE AS SHOWN 20% 3. CHASSIS GROUND COMMON B- 50EH5 AUDIO OUTPUT * VOLUME 2.2M 50EH5 AUDIO OUTPUT R. CHAN o.75-n. SWITCH PART OF 1- RECORD CHANCER PL2 S02 iTT FoL 35W4 S0EH5 50EH3 Tt 6 P 3| |4 3| 4_ 35W4 RECTIFIER ALL CAPACITANCE VAL

5、UES IN MFO AND ALL RESISTANCE VALUES IN OHMS UNLESS OTHERWISE STATED. 2 ALL VOLTAGES MEASUREO FROM CIRCUIT GROUND USING A V.T. V. M., LINE VOLTAGE SET AT |?VAC, reaosngs Should be as shown * 20%. * VOLUME CONTROLS CAN BE ADJUSTED INDIVIDUALLY OR TOGETHER CIRCUIT GROUNO CHASSIS GROUND 3. REAR SECTIONS OF ALL CONTROLS ARE RIGHT CHANNEL. 163 收音机爱 好者资料库 RadioFans.CN