Westinghouse-Electric-Corp-H-86ACS3 电路原理图.pdf

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1、VOLUME R-24, MOST-OFTEN-NEEDED 1964 RADIO SERVICING INFORMATION WESTINGHOUSE Chassis V-2527-2, Models H-86ACS1 A, H-86ACS2A, Also applicable to Chassis V-2527-1 used in same models and H-86ACS3. STBUCO I-1 50EH5 cAftnwoGE I AUDIO OUTPUT Ri j 2MEG 60OK R4 I S Tl UNTINNED COPPER, RIDGE k S ON INSULATI

2、ON TINNED copper RIGHT SPEAKER 4 3.2 IL R9 2 MEG ON INSULATION_ F TINNED COPPER LEFT SPEAKER 4* 3-2 IL AC PHONO MOTOR CHASSIS REMOVAL OFF ON SWITCH Part OF RECORD CHANGER RECORD CHANGER base plate - 50EH5 35W4 50EH9 50EH9 AUDIO OUTPUT G A TERMINAL nearest color dot 35W4 RECTIFIER S?-T.-.T- C5.01 1 I

3、H i I CiRCl rnrn Jl. D C voltages measured from circuit ground using A v t v m. louoness control at minimum. 2. ALL CAPACITANCE VALUES ARE IN MFD.8 ALL RESISTANCE -rC2C vaLUES IN OHMS, 1/2 WATT, UNLESS OTHERWISE SPECIFIED 40 3. BOTH TRANSFORMER WINDINGS are IN The same DIRECTION. ” MF CIRCUIT GROUND

4、 1. Remove the perforated tube service cover, attached by one phillips screw. 2. Remove 4 phillips screws holding the motor-board. Lift the motor-board out of the cabinet. 3. Disengage the amp-lok and unsolder the three input leads to the amplifier. Unsolder the leads connected to the out put transf

5、ormers. 4. Remove the 3 knobs. 5. Remove the 4 speed nuts holding the chassis to the cabinet side. Remove the chassis from the cabinet. Figure 2 - Stylus Replacement cup 4. Slide the new cartridge into the cartridge holder with the stylus marked SA-250 facing in the same direction as the side of the

6、 stylus marking 33-45. 5. Apply slight pressure to the rear of the cartridge to align the holes in the stylus selector knob and mounting shaft. Replace the screw in the stylus selector knob. STYLUS REPLACEMENT (see Figure 2) 1. Pull the stylus clip off the cartridge ridge. 2. Push the clip of the re

7、placement stylus onto the ridge. 3. Lift the front part of the stylus a small amount so that it is not pressing against the coupler then let it fall back and engage the coupler. The tabs on the stylus should be centered, with one on each side of the projecting end of the coupler. JK LEFT CHANNELJ RI

8、GHT Lchannel STYLUS FORCE ADJUSTMENT. Figure 1 - Cartridge Wiring Diagram CARTRIDGE REPLACEMENT (ctfjss/s VZ$Z72-) 1. Observe the sequence of wires, as shown in Figure 1. Remove the push-on connectors from the terminals. 2. Remove the screw from the stylus selector knob. 3. Remove the cartridge, pulling it away from the cartridge holder. CAUTION: A spring and 2 washers are located on the mounting shaft. TONE ARM HEIGHT ADJUSTMENT .STYLUS SET-DOWN ADJUSTMENT Figure 3 - Tone Arm Adjustments 170 收音机爱 好者资料库 RadioFans.CN