Galvin-Mfg-Co（Motorola）-27F1 电路原理图.pdf

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1、VOLUME R-17, MOST-OFTEN-NEEDED 1957 RADIO SERVICING INFORMATION MOTOROLA #A/0. chassis models HS-540 . r-% r o 25CA5 12 TffTT- PHONO 4 3 3 ,_tl_ R3 J2 117V AC ON-OFF SW S S ftfl in ON VOL CONT i ONLY JL- Capacitors decimal values in MF all others in MMF unless otherwise specified. Voltages - measure

2、d (rom poinl indicated to B with a VTVM. MOTOROLA fA/O. MODEL 37F1 Gray & Pink 37F2 Green & Black CHASSIS HS-541 12AV6 VOLTAGE AMP MODELS 27F1 Red & Tweed 27F2 Two Tone Blue E3 C3 R5 R3 C2 C4 R4 R1 R2 Cl i I I I U/ I / 1 I PARTS LOCATIONS To Ramove Chassis from Cabinet 1. Pull off two knobs from fro

3、nt of cabinet. 2. Remove screws which mount baffle and remove baffle. 3. Remove four screws from corners of phono mounting board. 4. Remove mounting board from cabinet. 5. Remove two screws which hpld chassis to mounting board and remove chassis. 50C5 PWR AMP 7 108 V C3 .0047 lT To Remove Chassis fr

4、om Cabinet 1. Remove perforated baffle board by removing three screws which hold the board in place. 2. Remove four screws located at the corners of the rec ord changer mounting board. 3. Grasp record changer mounting board and lift record changer out of cabinet 4. Pull off two control knobs from fr

5、ont of cabinet. 5. Remove two nuts which mount the chassis to the cabinet and remove the chassis. Capacitors - Decimal Values in MF, all others in MMF unless otherwise specified. Voltages measured to B- with VTVM. Tol. + 1OT =B- -4r=Chassis 4 73 RIO 150 50C5 12AV6 7 3 443 4-t 62 15 L-AAAA_| VAC VAC Rll 330 ON-OFF PHONO MOTOR BR2RC RECORD CHANGER R12 3300 |MF J0| C7 Tblk 117V 60 U . AC ONLY C6T.05 59 收音机爱 好者资料库 RadioFans.CN