Galvin-Mfg-Co（Motorola）-HS-668 电路原理图.pdf

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1、VOLUME R-19, MOST-OFTEN-NEEDED 1959 RADIO SERVICING INFORMATION MOTOROLA Cli/.Ol 25CA5 1r=n POWER AMP I 120Y . 1 i L . . 2-5/ r-4 MODELS CHASSIS 2F12N HS-667 2F12W HS-667 tk OA jn; T20MF 4 3 p.+ R5 120 ,mv -e- - TONE | 50K 25V R6 22 RM* C3C + 50 MF f C3D *t 50 MF - MODELS 2F11B 2F11R CHASSIS HS-666

2、HS-666 25CA5 PWR AMP 120V 2-5(JZZZ- ON-OfF SW (oh vol com J wht_ if EDd CAPACITORS - Decimal values in MFa all others in MMF unless otherwise specified. VOLTAGES Measured from point indicated lo B- with a VTVM. -? = CHASSIS CAPACITORS Decimal values In Mf all others In MMF unless otherwise specified

3、. VOLTAGES Measured from point indicated to B- with a VTVM. CHASSIS-4r rr r-i DISASSEMBLY INSTRUCTIONS To Remove Chassis from Cabinet 1. Pull off two knobs from front of cabinet. 2. Remove four (4) motor board and three (3) baffle retainer screws. 3. Remove baffle. 4. Lift rear of motorboard slightl

4、y and slide out. 5. Remove two screws which hold chassis to motorboard and remove chassis. To Remove Turntable 1. Remove C” washer from spindle. 2. Remove turntable by pulling up - off of spindle. J / R1 R3 ./ / -.SPEAKER POWER * LEADS R6 C4 AMP 25CA5 / POWER MOTOR r: 7 S I2AV6 VOLTAGE AMP 50C5 POWE

5、R AMP MODELS CHASSIS 3F13B 3F13W HS-668 HS-668 NOTES CAPACITORS Decimal values In MFC all others In MMF unless crtherwise specified. VOLTAGES Measured Irom point Indicated to B- with a VTVM. +10%. Line Voltage maintained at 120V AC. 7 * B- * Chassis ON OFF SW Is! Rll 150 t*. C8i/.Q5 50C5 I2AV6 64V AC 12T AC A 1 T 3 4 BR4RC RECORO CHANGER TO REMOVE CHASSIS unsolder leads connected to chassis if necessary. 87 收音机爱 好者资料库 RadioFans.CN