Philco-Radio-and-Television-Corp-T-702 电路原理图.pdf

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1、Top Composite View of Permo-Circuit Ponel ALIGNMENT PROCEDURE SIGNAL GENERATOR _ *A p 1 CONNECTION TO RADIO sjyNG SETTING 5rECIAL 1 Connect ignal generator 455 kc Tuning gang Adjust for n through a ,1-uf. sndenser fully open in order giv to ant. section of gang Use radiating loop. (See 600 kc. 600 k

2、c. Adjust for t NOTE l below) Rock tuning ing this adjv .Same as step 2. 1620 kc. 1620 kc. Adjust for i Sheet metal screws with triangles marked on their heads arc removed during disassembly DIAL SETTING DIAL SETTING SPECIAL INSTRUCTIONS ADJUST 455 kc Tuning gang fully open. Adjust for maximum outpu

3、t in order given. Z33rd i-f Z22nd i-f Z1-1st -f 600 kc. 600 kc. Adjust for maximum output. Rock tuning gang while mak ing this adjustment. T1osc. core 1620 kc. 1620 kc. (Tuning gang fully open) Adjust for maximum output. CiBosc. trimmer 1400 kc 1400 kc. Adjust for maximum output. Cl Aantenna 4 Same

4、as step 2. _j 1400 kc. | 1400 kc. /vajusr .or trimmer 5 Repeat steps 2, 3 and 4 until no further improvement is obtained. Always stop on step 4. NOTE l. Use a 6-to-8-turn, 6-inch-diameter loop made up of insulated wire. Connect to generator terminals, and place about one foot from radio loop. 104 收音机爱 好者资料库 RadioFans.CN