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Telefunken TF-LED15S27 Service Manual
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Telefunken TF-LED15S27 Service Manual

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Service Manual
Part1: Exploded View
Part2: Circuit Diagram
Part3: Common problems solution

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Summary of Contents for Telefunken TF-LED15S27

  • Page 1 Service Manual Part1: Exploded View Part2: Circuit Diagram Part3: Common problems solution...
  • Page 5 POWER 12VIN 12VIN 12VU 12VU 12VU 3.3VU 3.3VA J14 DC3AIN J14 DC3AIN +12V POWER POWER +12V1 3407 3407 3407 3407 GND1 470uF 470uF 100nF 100nF PH-4A/NC PH-4A/NC 100nF 100nF 3.3VU 100K 100K 1.32VU 1.32VU 3.3VU 1.2VU 4.7K 4.7K BL1117-ADJ BL1117-ADJ VOUT PWR-ON/OFF PWR-ON/OFF...
  • Page 6 MAIN IC Chip IC Power RESET Close to IC 3.3VU SGM810 SGM810 System-RST AVDD_DDR_2.5V/1.8V 1.8VA 2.5VA L101 0R/NC 0R/NC V29L101,C104和C105建议NC 掉,V39,V59要上件 100K 100K 100nF 100nF C104 C105 100nF/NC 100nF/NC 1u/NC 1u/NC TSUMV29LU没有USB。 3.3VU 2.5VA ADC2P5 L106 120R/FB 120R/FB 3.3VU 2.5VA AVDD25_DEMOD 120R/FB/NC 120R/FB/NC...
  • Page 7 HDMI1-RX2+ HDMI1-RX2P HDMI1-RX2P DATA2+ DATA2_SHIELD HDMI1-RX2- HDMI1-RX2N DATA2- HDMI1-RX2N HDMI1-RX1+ HDMI1-RX1P USB_5V HDMI1-RX1P DATA1+ DATA1_SHIELD HDMI1-RX1- HDMI1-RX1N HDMI1-RX1N DAT1A- HDMI1-RX0+ HDMI1-RX0P HDMI1-RX0P DATA0+ USB1_D- USB1_D- DATA0_SHIELD HDMI1-RX0- HDMI1-RX0N USB1_D+ USB1_D+ HDMI1-RX0N DATA0- HDMI1-RXC+ HDMI1-CLKP HDMI1-CLKP CLK+ PH-4A_USB/NC PH-4A_USB/NC CLK_SHIELD HDMI1-RXC- HDMI1-CLKN USB-H USB-H...
  • Page 8 CON6 CON6 VGA-B VGA-B R112 R112 RGB0_Pb+ RGB0_Pb+ VGA-G VGA-G R114 R114 RGB0_Y+ RGB0_Y+ R113 R113 RGB0_Y-SOG RGB0_Y-SOG 3 VGA-R VGA-R R115 R115 RGB0_Pr+ RGB0_Pr+ R131 R131 R132 R132 R128 R128 These components close to MST6M181 靠近MST6M48放置 VGA-HS R130 68R R130 68R VGA_HS VGA_HS...
  • Page 9 R137 R137 100R 100R IF_OUT2 100n 100n VIFM VIFM 7 C100 C100 CDT-3NP5I2-10/NC CDT-3NP5I2-10/NC 33pF/NC 33pF/NC R139 R139 C120 C120 33pF/NC 33pF/NC R138 R138 100R 100R IF_OUT1 C119 100n C119 100n VIFP VIFP 7 普通高频头 直头 3.02.06.14500 高频头 DIP CDT-3NP5I1-10 差分输出 ROHS C111 C111 普通高频头...
  • Page 10 10uF 10uF 100nF 100nF 470uF 470uF XH-4A_SPEAKER XH-4A_SPEAKER PH-4A_SPEAKER/NC PH-4A_SPEAKER/NC LOUT+ LOUT+ LOUT- LOUT- 100nF 100nF ROUT- ROUT- ROUT+ ROUT+ AMP_LIN AMP-LIN 100nF 100nF 1000R/FB 1000R/FB 10uF 10uF EAR_L AMP_LIN INNA VONA 3.3nF 3.3nF 3.3nF 3.3nF 3.3nF 3.3nF 3.3nF 3.3nF VREF 1000R/FB 1000R/FB...
  • Page 11 CV29L-F-12 Common problems solution —System Chart —Power Units Problem Solving —Display Units Problem Solving —Audio Units Problem Solving —Functional Units Problem Solving...
  • Page 12 CV29L-F-10 System Block HDMI 2M/4M Flash VGA(RGB) RGB0 YPBPR LVDS TSUMV59XU TSUMV39LU PC_AUDIO TSUMV29LU AV1_AUDIO AV2_AUDIO MAIN_R/L NS4263 Earphone Spare Voltage R620D Moudle...
  • Page 13 Figure.1 Power Units Problem Solving In stand-by condition， Check Test point TP5 have 12V？ Check TP3 have 5V,TP4 have 1.26V and TP2 have 3.3V ? Normal boot Check U5/U7/U4 power Check external power supply net After power on， Check Test point TP6 have 5V，Test point TP7 have 3.3V，Test Point TP1 have 2.5V/1.8V （TSUMV29LU is 2.5V,TSUMV59XU is...
  • Page 14 Figure.2 Display Unit Flickering or Black screen (black screen) （Back light on） Check the connection of Driver Board Cable connect well Change the LCD, check if it is ok Check the network output, J3 cable socket Works normal Change the circuit Check the software match RE-Upgrade...
  • Page 15 Figure.3 Display Unit (black screen) black screen Main board J8 No.5/6 pin Have or not 12V？ Check the Inverter power supply 4pin of J8 output voltage is over 3.3V Inverter broke or Maintenance power Check power supply circuit bad wire connection...
  • Page 16 Figure.4 Audio Unit (no sound) No sound If Any audio signal input or amplifier power supply normal Check the Volume, MUTE settings If any signal output of J5/J7 U1（NS4263）6/11 Pin have signal input Check U6 audio input pin has the signal output Check Check Maintenance U1 &...
  • Page 17 Figure.5 Function Unit (ATV broke down) TV no searching /no image Check External RF signal input Check the Turner No.2 pin of U9 have 3.3V Check Tuner No. 9,10 pin of U9 Have I2C data Check No.5/6 pin of U9 have IF signal Check external circuit Check BPF\U9 direct connect of U9 is OK?
  • Page 18 Figure.6 Function Unit（ATV with the image but no sound) TV no sound only picture Check the sound of PC and AV Check the connect net of See “NO SOUND” BPF and U9,Check the repair guide connect net of BPF and U6(TSUMV29LU)
  • Page 19 Figure.7 Function Unit (PC) PC Function Check VGA Color Image not Image circuit No signal cast In the middle shakes connection U6(TSUMV29LU) VS,HS signal R.G.B input signal Stable and well works well Check VGA circuit connection OSD settings, Carry out Or input mode Check VS.HS Check VGA...
  • Page 20 Figure.8 Function Unit （VGA） Miss color, All no signal color cast U6(TSUMV29LU)R.G.B Input signal is normal VGA socket contact is ok Check Check VGA R.G.B The system is incorrect Input network U6(TSUMV29LU) re-set settings Power supply...
  • Page 21 Figure.9 Function Unit （HDMI） HDMI No image Image, Check HDMI no sound connection U6(TSUMV29LU) Check If the sound HDMI and relevant network is ok in PC See the repairs guide Check HDMI and the Check If the sound Check HDMI and “No Sound Solution”...
  • Page 22 Figure.10 Function Unit （YPBPR） YPBPR YPBPR No signal Color cast Y/PB/PR Check U6 input signal external circuit network and Crystal circuit...