M200 Repair Tips

Search: M200

Results 23

Make	Model Ch.	Symptom	Problem Solution
Hikona	RM2002	No sound.	Q201 ( BC238 ) but diff legout , TA7680
Hikona	RM2002	No sound	IC101 TA7680 Audio o/p chip pin 1 (vol cont) should read 5.8v at min vol & 0v at max. Was not varying - Q201 faulty - BC238 does
Hikona	RM2002	Crackle on sound unaffected by vol setting	check 47µ tant coupling cap under IF screening can
Fidelity	CTM2000T	Tripping	10nf lop tuning cap burn up & BU508A lop tr leaky
Fidelity	CTM2000R	Loss of sync when heated	C100 33µ 250v HT res cap (HT still measured ok at 119v)
Sony	TAM2000	NO FUNCTIONS - REPLACE IC1, P/N 8-759-276-39	No functions, although power light turns on, unit overheats.Won't go beyond initial test mode.
Sony	TAM2000	WON'T RECEIVE CALLS/CANNOT PROGRAM ANY FUNCTIONS	Won't receive calls/cannot program any functions.
Sony	TAM2000	LOUD BUZZ WHEN PLAYING BACK OGM OR MEMO - CLEAN S401.	UNIT WOULD PLAYBACK OGM OR MEMOS WITH LOUD BUZZ ON TOP OFAUDIO BUT ONLY WHEN MESSAGE/MEMO WAS RECORDED WITH S401 IN THE ANNOUNCEONLY POSITION. RECORDINGS MADE WITH S401 IN OTHER 2 POSITIONS WOULDPLAYBACK NORMALLY AS WOULD ANY ICM.
Sony	TAM2000	ANY PHONE HOOKED UP TO MACHINE IS DEAD - REPLACE Q301	Unit would not power up and also was shorting line (dialtone), making any phone hooked to unit appear dead. This occurred evenwith TAM2000 unplugged from AC adapter.
Sony	M2000	TAPE SPEED VARIES	Pinch roller will not contact capstan. Tape speed varies.The shaft that connects with spring 59 is bent or part of the pinch rollerassy is bent.
Sony	ICFM200	NO SOUND - REPLACE Q8, P/N 8-729-904-87	Had no VCC on IC1 trace to Q8.
Sony	ICFM200	NO POWER OR INTERMITTENT POWER - REPLACE IC4, P/N 875993761	The unit had no power at all. After removing back of unit,the unit would work when the main board was tapped. I followed thevoltage to IC4 and found that IC4 had 5.1v going in and 0v coming out.After replacing IC4, I had 2.7v out, but still no power.
Sony	GVM2000	RECOMMENDED SCREEN CLEANER/USE (3-731-449-01) DRY SOFT CLOTH
Sony	M2000	AUTO BACKSPACE DOES NOT WORK	Auto backspace does not engage. A shifting lever in themechanism which shifts gears reference numbers 80, 82 -performs functionsof fast forward and fast rewind. It does not shift smoothly and quicklybut the functions of fast forward and fast rewind do
Sony	CPM200	AVAILABILITY OF REPLACEMENT PARTS	The flexible pipe assembly and base are not available asreplacement parts in the service manual.
Sony	HVM200	BLOWN FUSE F-101	Blown power supply fuse. Apparent confusion over what powersupply is required. No specific Sony supply specified in manual. Note -error on front page of service manual under power consumption. Also,page 5 of service manual, item 13, connect the land
Sony	GVM2000	SUPPORT BRACKET PART NUMBER (A BOARD)	Support bracket for the A board on the GVM-2000 is needed.No part number is listed for this item in the service manual. -HQ COMMENTS: The part number for this item is 4-393-914-02. Pleaseupdate your service manual.
Sony	HVM200	DOES NOT OPERATE	The leads on the DC-DC converter board punch through theinsulating sheet and short out on the shield below it. This damagesthe converter.
Sony	GVM2000	NINE-PIN ADAPTOR	Nine-pin D-type adaptor that comes with the unit is notidentified with a part number in the service manual.
Sony	ASM200PS	REDUCED SENSITIVITY TO SCENE CHANGES	The unit does not set off the alarm when small changes aremade in the monitored scenes. Changes have to be very large to set offthe alarm.