Crosley-Corp-J30BC 电路原理图.pdf

《Crosley-Corp-J30BC 电路原理图.pdf》由会员分享，可在线阅读，更多相关《Crosley-Corp-J30BC 电路原理图.pdf（3页珍藏版）》请在收音机爱好者资料库上搜索。

1、MANUAL OF 1941 MOST POPULAR SERVICE DIAGRAMS CROSLEY MODEL J30BC j CONNECT TO PHONO * C. TERMINAL BOARO RECEPTACLE MODEL-30 455 K.C. I.E FOR TELELEVISION SOUND OR F. M SOUND USE TERMINALS NO I S3 OF PHONO TERMINAL BOARD, WITH PHONO-RADIO SWITCH IN PHONO POSITION oV-2 V /Ue I I RED YELLOW B REO - o#

2、BLACK S RED o| w- Align ment Sequenee Dummy Antenna Frequency Setting Input Connection to Receiver Band Switch Tuning Cond. Setting Trimmer Adjusted Remarks 1. .02 MF. 455 Kc. Grid of 6A8GT B. C. Fully open 2nd I-F (2) 1st I-F (2) Adjust for Maximum. Adjust for Maximum. 2. .0002 MF. 1650 Kc. Ant. Le

3、ad (Blue) B. C. Fully open B. C. “OSC Trimmer Adjust tor peak: gang does have to tune thru signal. 3. ,0002 MF. 600 Kc. Ant. Lead (Blue) B. C. Approx. 60 on dial B. C. “OSC” Series Trimmer Adjust for maximum output 1 rocking gang thru signal. Repeat Step No. 2 to check possible shift due to series a

4、djustment 400 ohm (carbon) 400 ohm (carbon) 400 ohm (carbon) 400 ohm (carbon) 1400 Kc. Ant. Lead (Blue) B. C. Approx. 140 on dial Trimmer B. C. “PRE” Trimmer 5.3 Me. Ant. Lead (Blue) Police Fully open Pol OSC 5.0 Me. Ant. Lead (Blue) Police Approx. 5.0 Pol ANT 18.3 Me. Ant. Lead (Blue) s. w. Fully o

5、pen S. W. OSC” 18.0 Me. Ant. Lead (Blue) s. w. Approx. 18 s. w. “ANT B. C. “ANT” Adjust for maximum output: do not Trimmer touch B. C. Osc. Trimmer. B TrimmerE Adjust tor maximum output. JU rocking gang thru signal. just for peak. Gang does have to tune thru signal. just for maximum output w rocking gang thru signal. THE CROSLEY CORPORATION Cincinnati, ohio, u. s. a. COMPILED BY M. N. BEITMAN, SUPREME PUBLICATIONS 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