Galvin-Mfg-Co（Motorola）-5R14N 电路原理图.pdf

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1、VOLUME R-19, MOST-OFTEN-NEEDED 1959 RADIO SERVICING INFORMATION MODELS CHASSIS 5R14N HS-670 MOTOROLA To Remove Chassis From Cabinet 1. Pull off control knobs. 2. Remove 3 antenna panel mounting screws. 3. Remove antenna panel (disconnect line cord from inter lock). 4. Disconnect antenna and speaker

2、leads. 5. Remove 4 record changer board mounting screws. 6. Lift changer and mounting board up and out of the way. Loosen 2 screws which hold interlock to cabinet; remove interlock from cabinet. 8. Uncrimp ends of chassis mounting brackets and melt solder at these points. CAUTION: Apply only enough

3、heat to allow chassis to slide out of brackets; too much heat may damage the plated circuit board. 9. Slide chassis out of the brackets. 10. Disconnect record changer leads from chassis. I2AV6 50C5 DET AVC-AF Fl PWR AMP “ft- IHral 4 5 3 2 3 Z 12 Connections T2 CONN TI CONN NOTES Capacitors - Decimal

4、 values in MF, atl others in MMF unless rtherwise spec lied. Vbttages Measured irom point indicated to ground with a VTVM. No signal input. Tuning Range 535 to 1620 KC. If 455 KC INPUT VOLTAGE I20V AC ONLY PLATED PANEL WIRING LEGEND iH r AVCj. FILAMENT INTERLOCK PLUG I i ON OF: | 8 BR4RC 8 09 SW 1 *

5、 RECORD | I CHANGER! TphONO I I 1_IMOJOR J J J 8LK-*-TE4(W SW on Vol Cont 50C5 I2BA6 I2BE6 12AV6 66VAC 36VAC 24VAC 12VAC osc 1620 KC ANT 1400 KC E4 L2 R7 , _ 3/ C8 R4 R3 R5 Z/C/Z / I /III I to m$ ME-, I BMb m j a / LYTIC C2 12BE6 ALIGNMENT POINTS & PARTS LOCATIONS CONV TO RECORD CHANGER MOTOR p | DET-AVC-AF AMP -A | yjf 50C5 PWR AMP SPKR , LEADS R2 II TO RECORD 12BA6 CHANGER IF AMP GROUND 88 收音机爱 好者资料库 RadioFans.CN