Sears-Roebuck-and-Co-9203 电路原理图.pdf

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1、VOLUME R-20, MOST-OFTEN-NEEDED 1960 RADIO SERVICING INFORMATION Sears, Roebuck & Co. Model 9222, Chassis 528.53400 TR5 Sri 1253 aubo OUTPUT VALUES OF CAPACITORS |* MFO.UNLES* OTHERWISE NOTED ALL RESISTORS l/2 WATT UNLESS OTHERWISE NOTED. NUMSERINS LEFT TO RI8HT FAClNS SCHEMATIC SIDE I *T P TR4 AUDIO

2、 2N306 DRiVERj n L- transI TR3 ,- 2N5I5 T 2 0 2,? OH I n TR5 c SYLI SC COL _/TRt 3 2N2I2 Some models were produced using two type 2N214 output transistors in piace of type 1253 transistors when replacing Output transistors, replace with two type 1253 transistors or two type 2N2i4 transistors. DO NOT USE ONE TRANSISTOR OF EACH TYPE. TR5 3 YU 253 SYL1253 * * On some models C6 is 33m mfd. I.F. 455 KC. TUNING Rl CONOENSER CIB CIA IA R4 C4 / /R2 m Sears, Roebuck & Co. Models 9202 and 9203, Chassis 132.45100, Models 9202A, 9203A, Chassis 132.45102 are 138 收音机爱 好者资料库 RadioFans.CN