Crosley-Corp-JC-6BN 电路原理图.pdf

VOLUME R-16, MOST-OFTEN-NEEDED 1956 RADIO SERVICING INFORMATION 24 收音机爱 好者资料库 RadioFans.CN VOLUME R-16, MOST-OFTEN-NEEDED 1956 RADIO SERVICING INFORMATION CROSLEY Chassis R103 Alignment Information Models: . JC-6BN, c4 TCUT/ 1 ! I JC-6BN, JC-6BK, JC-6TN, JC-6WE. a/J i 1 . fR5 IT* * 0 * VOLUME M CONTROL r X C9AJL 1 R9A, L1 J, C98 1 Tt _Ilia- |R9C C9Q. * Ic90_:I-1 * ; ,2e &f | 1 gErfS. : <- c 1st i 1 i Hi ki510 T A* Si TO OUTPU* / T itL / TO O - _ TRANS. “ X-3E a i 2 *-INTERLOCK LEAD TO LEAD TO swi 1 swia * MOTOR COIL PRINTED CIRCUIT BOARD See the page at the left for circuit diagram and additional service data. ALIGNMENT PROCEDURE To operate set when it is removed from cabinet, connect switch leads (brown and black leads) together. Turn the Volume Control to maximum clockwise position and adjust the signal generator output to produce approximately mid-scale deflection of the output meter, but maintain signal generator output as low as possible to prevent AVC action. ALIGNMENT CHART A S5W4 2m j Alignment Signal Generator Output F req. in KC. In Series With TO 455 200 mmf. Mixer grid pin 7 of V 455 200 mmf. Mixer grid, pin 7 of V 3 Repeat steps 1 and 2 until maximum output is obtained. 1620 Radiated Sig. Antenna 1400 Open Tune in Signal Remarks See note 1 See note 1 See note 2 See note 3 See note 3 1. Connect a 33, 000 ohm resistor from mixer grid to B-. Disconnect loop to gang wire. 2. Connect loop to gang wire, remove 33,000 ohm resistor from mixer grid to B-. The signal can be radiated to the antenna by placing the output lead of the signal generator close to the antenna 25 收音机爱 好者资料库 RadioFans.CN