Aiwa-XRMD85-cs-si99047e0 电路图 维修手册.pdf

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1、1/1 Service Technical Information MODEL NO. XR MD85 EZ SUBJECT Tape stop at FM recordingREF.No.:G99047E0 DATE:01. NOV. 1999 A tape stops in approximately 5 minutes after starting recording of an FM program on tape, using the model in question. This problem occurs when an FM signal includes RDS signa

2、l. Take the following steps: 1. Solder the base terminal of DTC144ES to pin 5 on IC620, and solder the collector terminal of DTC144ES to pin 16 of IC620. 2. Solder the emitter terminal of DTC 144ES to the wire, and let the wire in the tube. 3. Solder an end of the wire to the resistor. Solder the ot

3、her end of the resistor to pin 16 of IC850. 4. Lock DTC144ES onto IC620, and lock the tube and the resistor onto the main C.B. with glue. After taking the above actions, RDS indication will not be updated during REC operation on tape. Ref.Parts CodeDescriptionRemarks 87 026 218 080TR,DTC144ES 88 121

4、 222 080RES,2.2K 1/8W 87 844 002 010TUBE,H P 0.7 20 87 600 102 210WIRE,P0 10 2 GRCode No.Access CodeModified Ser. No.Parts Schedule 13.Jan.2000 8 9 IC620 ? ? ? ? ? to PIN16 of IC850 RES 2.2k TUBE WIRE DTC144ES E:to PIN16 of IC850 through WIRE and RESISTOR C:to PIN16 of IC620 B:to PIN5 of IC620 MAIN C.B PATTERN SIDE E C B GLUEIC620 8 9 IC850 16 1 9 8 RadioFans.CN 收音机爱 好者资料库