Westinghouse-Electric-Corp-H-M1780A 电路原理图.pdf
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Westinghouse-Electric-Corp-H-M1780A 电路原理图.pdf
VOLUME R-25 MOST-OFTEN-NEEDED 1965 RADIO SERVICING INFORMATION 收音机爱 好者资料库 RadioFans.CN VOLUME R-25, MOST-OFTEN-NEEDED 1965 RADIO SERVICING INFORMATION WESTINGHOUSE Chassis V-2515-11, Models H-M1780, A, H-M1781, H-M1783 V 2 F.M.t A.M. I.F I2BA6 V 3 F.M. I.F. I2BA6 fua* (J| V 4 FM. DET. T 6 FM RATIO DET, 107 MC L FM INPUT TD V MULTIPLEX (.0047 r OUTPUTI A.M. CONVERTER 1 I2BE6 J.C 16 5-3K -CI5 PREAMP LEFT .CHANNEL IfittJT AUDIO AMR C19 .0047 AM - j(-AUDiO ,p OUTPUT MULTIPLEX RIGHT CHAMCL OUTPUT MULTIPLEX ADAPTER PL2 MULTIPLEX LEFT CHAfWCL OUTPUT -Ly ADAPTER MULTIPLEX INPUT VCWED FROM MATING END T 3 BOTTOM VIEW T4 BOTTOM VIEW V8 35EH5 AUDIO OUTPUT PREAMP RIGHT CHAMHEL INPUT V6B AUDIO AMR 47025 -| OR J I2AX7 290i iiri _/ V7 TlAUOO OUTP. 3 4 3jC44i4 3 C42i:C.oii: -01 ? I. ALL CAPACITANCE VALUES IN MED. AND ALL RESISTANCE VALUES Co?X IN DHMS, 4 WATT, UNLESS OTHERWISE SPECIFIED. *iC4l I -2<yo j 2. D.C. VOLTAGES MEASURED FROM POINTS INDICATED TD CIRCUIT GROUND - ND SIGNAL APPLIED, USING A V.T.V.M. UNE VOLTAGE SET AT 120 V A.C. NO SIGNAL INPUT ICUDNESS AT MIN, TO TUNING CAPC. AT MAX. 3. UNDERLINED VOLTAGES ARE TAKEN IN FM POSITION. 4. SW4A AND B IS SHOWN IN THE CCW POSITION, (AM. POSITION) 5. ALL REFERENCES TO LEFT AND RIGHT ARE AS VIEWED FACING FRONT OF SET. 6. REAR SECTIONS OF CONTROLS (FARTHEST FROM SHAFTS) ARE RIGHT CHANNEL. 7. ARROWS DN CONTROLS INDICATE CW ROTATION (CONTROL VIEWED FROM SHAFT END.) T 5 BOTTOM VIEW T 6 BOTTOM VIEW 167 收音机爱 好者资料库 RadioFans.CN 168 Top Viow of V-2515-11 Chassis 收音机爱 好者资料库 RadioFans.CN
