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TEAC AUSTRALIA 

TECH MEMO – “TELEVISION”

 

Date:  29th-Jan-1999 
File:   CTM-805SR-5

 

 

 

CTM805SR 

 
 

Symptom:  FAILURE OF D402 - causing failures D403, R427 and Q402

  

 

 
 
 
 

Countermeasures:

  

Replace diode D402 with Philips type BY228. 
 
 

Temporary Countermeasure: 

Insert an additional diode in series (3TH41 Toshiba) in location D402 as per 
diagram below. (both diodes 3TH41 type) 
 

 

 
Regards, 
 
 
 
Fabian Lubanovic 
 

Summary of Contents for CT-M805SR

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Page 2: ...Symptom FAILURE OF D402 causing failures D403 R427 and Q402 Countermeasures Replace diode D402 with Philips type BY228 Temporary Countermeasure Insert an additional diode in series 3TH41 Toshiba in lo...

Page 3: ...STRALIA TECH MEMO TELEVISION Date 01 Jan 1999 File CTM 805SR 4 MODEL CTM805SR Symptom NO SOUND Instructions Replace diode D301 it may measure ok common signal diode Regards Fabian Lubanovic Technical...

Page 4: ...t is NOT a NPN transistor as shown in the CT M805SR circuit diagram This device is acting as a voltage sensing device ie For B voltage which via the opto coupler changes the pulse width on the primary...

Page 5: ...HNICAL BULLETIN 17th May 1999 Page 1 of 1 MODEL CT M805SR PROBLEM Television will go standby intermittently Instructions Move diode D904 to location D904A Regards Fabian Lubanovic TEAC Australia Pty L...

Page 6: ...ss REVSION 2 Instructions Fit a 0 1uF ceramic capacitor across R103 10k resistor in parallel Refer diagram below If the above modification fails to operate the next step is to replace the tuner Regard...

Page 7: ...itching to standby a buzzing noise may be heard for some time Using the following circuit can eliminate problem Instructions 1 Remove the link between collector and emitter of Q301 2 Insert the follow...

Page 8: ...o play video tapes This problem occurs when playing video cassette movies and is particularly noticeable when using the MV6080G VCR Instructions Locate C249A which is close to XTAL X201 4 43Mhz colour...

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Page 22: ...RC 684 PC 1 973R6330100 VOLUME CHANNEL KNOB MOULDED BLACK PC 1 0021340984A 34 CRT A80AEJ15X98 RCA WORLD WIDE YAMMING PC 1 00313137207 TUNER OSCAR 2900KKC 3X1 772 TELEFUNKEN HIGH JACK PC 1 00812233105...

Page 23: ...WOOFER PC 1 919733B0120 P DOOR TEAC DESIGN CT M805SR W CABLE READY WORDING PC 1 980733A02U0 JACK PLATE HI PS BRASS INSERT 521 882001 00 2PCS SET UL 94V0 PC 1 991733A0101 POWER KNOB METALLIC GREY 8403C...

Page 24: ...11315110517 CARBON FILM RESISTOR 150 OHM 1 4W 5 PC 1 11315120512 CARBON FILM RESISTOR 150 OHM 1 2W 5 PC 1 11315210517 CARBON FILM RESISTOR 1 5K OHM 1 4W 5 PC 3 11315310517 CARBON FILM RESISTOR 15K OHM...

Page 25: ...SITION RESISTOR 5 6M OHM 1 2W 10 PC 4 11368210217 CARBON FILM RESISTOR 6 8K OHM 1 4W 2 PC 1 11368210517 CARBON FILM RESISTOR 6 8K OHM 1 4W 5 PC 1 11368310167 METAL FILM RESISTOR 68K OHM 1 4W 1 PC 1 11...

Page 26: ...MFD 50V 10 PC 5 12647307101 MYLAR CAP 0 047 MFD 50V 10 PC 2 12647320131 POLYPROPYLENE CAP 0 047 MFD 200V 10 PC 1 12647322241 METALIZED POLYPROPYLENE CAP 0 047 MFD 275V 20 OKAYA PC 2 12647406021 METALI...

Page 27: ...ODE EGIZ SANKEN PC 1 13031004300 RECTIFIER DIODE RU4B SANKEN PC 1 13031012000 RECTIFIER DIODE FMP G12S SANKEN PC 1 13031034100 RECTIFIER DIODE 3TH41 TOSHIBA PC 1 13031034500 RECTIFIER DIODE 3JH45 TOSH...

Page 28: ...H S PC 2 16010280508 PIN CONNECTOR 2 PIN PLUG STRAIGHT PC 1 16010325527 PIN CONNECTOR 3 PINS PLUG PC 2 16010380508 PIN CONNECTOR 3 PIN PLUG STRAIGHT PC 1 16010425527 PIN CONNECTOR 4 PINS PLUG SHS PC 3...

Page 29: ...UL2468 26 2 5NN PC 0 19101020207 10 PIN SOCKET ASS Y L 120MM FLAT CABLE UL2468 26 2 5NN PC 0 19110100707 1 PIN SOCKET ASS Y L 350MM PC 1 19120004409 2 PIN SOCKET ASSM Y L 440MM PC 1 19120100307 2 PIN...

Page 30: ...0 8mm PC 2 74606310101 AC LINE CORD PIN PC 2 748733A0100 CRT MTG WASHER PC 4 75006310100 SOLDERING LUG LEG 8X4MM PC 3 75006310201 35MM SOLDERING LUG OD 7 ID 3 2 LEG 4X35MM PC 6 750733A0100 SOLDERING L...

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