BF-Goodrich-R662 电路原理图.pdf

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1、SWI TOP VIEW DP 8 AT TER Y PLUO NOTES: I.F.=455 Kilocycles Power change twitch (SWI) shown in battery operation position. In some models, loop loading ooU (L2) was fixed. Symbol Cl C2 C3 C4.CU C5, C6, C9 CIO. C12 C7 C8 C13 C14a CUb C14c C15 C16 C17 cie / clib CONDENSERS Inscription Part No. .05 Mid.

2、 200 Volt, Paper 64B1-32 .25 Mid. 200 Volt, Paper 64B1-28 .00042 Mid., Ifioa 65B1-9 .00025 Mid., Mica 65B5-22 .01 Mid., 400 Volt, Paper 64B1-25 .00005 Mid., Mica 65B5-U .000015 Mid., Mica 6SBf-3 .002 Mid., 600 Volt, Paper 64BM4 50 Mid., 150 Volt 1 30 Mid., 150 Volt 67C7-42 100 Mid., 25 Volt J Cond*

3、.2 Mid., 400 Volt, Paper 64A2-1 .05 Mid., 400 Volt, Paper 64B1-22 Antenna Trimmer 66A12-5 Oscillator Trimmer (Part of Gang) J Condenser, Gang 68B4 RESISTORS R1 100,000 Ohms, Vz Watt, Carbon 60B8-104 R2 220/100 Ohms, Vz Watt, Carbon 60B8-224 R3 47,000 Ohms, Vz Watt, Carbon 60B8-473 R4, R5 4.7 Megohms

4、, Vz Watt, Carbon 60B2-47S VOLTAGE CHART o2z)(5k 1,728 fiy9 iiTfccisE RESISTORS Symbol Description Part No. R6 4.7 Megohms, Vz Watt, Carbon 60B2-475 R7 3.3 Megohms, Vz Watt, Carbon 60B2-335 R8 50/100 Ohms, Vz Watt, Carbon .60B8-503 R9 1 Megohm Volume Control 75B1-100 R10 15 Megohms. Vz Watt, Carbon

5、60B2-156 Rll 1 Megohm, Vz Watt, Carbon 60B2-105 R12 2.2 Megohms, Vz Watt, Carbon 60B2-225 R13 22 Ohms. Wire Wound. Vz Watt 61A2-2 R14 2,450 Ohms, Wire Wound, 5 Wat 61A3-5 R16 1,500 Ohms, Vz Watt, Carbon 80B8-152 R17 560 Ohms, Vz Watt, Carbon 60B8-561 R18 220 Ohms. Vz Watt, Carbon 80B8-221 R19 120 Oh

6、ms, Vz Watt, Carbon 60B8-121 COILS & TRANSFORMERS (Coil, Loop Loading, (fixed) AA114 (Coil, Loop Loading, (variable)AA115 /Iron Slug for plate coil 71B1-3 t Coil, Plate 70A1-30 Oscillator Coil 69A7 Choke Filter 74A5 1st I.F. Transformer 72B9-2 COILS & TRANSFORMERS Symbol Description Part No. T2 2nd

7、I.F. Transformer 72B10-2 T3 Transformer, Output e When ordering, specify all numbers on the speaker and transformer, f Switch, Power Change CUM J (R662) 77A6 bwi i Switch, Power Change (R662N) . 77A10 MISCELLANEOUS Description Part No. Dial Background.21A18-2 Dial Cord, 12*_!.50A1-3 Dial Cord Tensio

8、n Spring.19A1-2 Escutcheon and Dial Scale.23Cl4 Knob, Tuning .-.33A14-6 Knob. Volume.33A14-5 Plug, Battery (9 prong).88A3-3 Pointer. Cream Tenite.25A15-1 Speaker & Output Transformer.78B8 Tube Shields.-.87A8 BACK OF SET slightly/ ES r INS if %* 1*7 VOLTAGE DATA 1. Voltage readings circled (O) are fo

9、r Battery Oper- tion. 2. All readings made between Tube Socket Ter minals and Terminal No. 7 on the 117Z6 (Point X on Voltage Chart). 3. A.C. Voltages measured on a 117 Volt A.C. line. 4. Battery Voltages measured with a fresh battery. 5. Dial turned to low frequency end, no signal. 6. All Voltages measured with a 1000 ohm-per-volt meter. THE Be Fe GOODRICH CO, 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 RadioFans.CN