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Summary of Contents for Konka KLC-2718UG
- Page 1 LCD TV SERVICE MANUAL Model list KLC-2718UG KLC-3216UG KLC-3211UG KLC-3711UG KONKA GROUP CO,LTD. Digital Flat Display Division...
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Page 2: Important Service Safety Information
IMPORTANT SERVICE SAFETY INFORMATION Operating the receiver outside of its cabinet or with its back removed involves a shock hazard. Work on these models should only be performed by those who are thoroughly familiar with precautions necessary when working on high voltage equipment. -
Page 3: Specification
A. SPECIFICATION NTSC-M System L-VHF: 2～6 55.25MHz～83.25MHz Channel : H-VHF: 7～13 175.25MHz～211.25MHz UHF :14～69 471.25MHz～801.25MHz CABLE:2～G 55.25MHz～157.25MHz H～CCC 163.25MHz～451.25MHz DDD～125 457.25MHz～801.25MHz : VIF 45.75MHz ; SIF 41.25 MHz ; CIF 42.17 MHz Audio Output Power : 7% THD 4 W+4 W Antenna Impedance : 75Ω... -
Page 4: Adjustment Manual
B. ADJUSTMENT MANUAL Ⅰ. TEST NOTE Please follow the pointed test steps and choose the right test equipment to conduct adjustment, otherwise good effect of Unit could not be obtained. The unit should be warmed up for 30 minutes before adjustment and every parameter should be adjusted repeatedly till the optimum value obtained, the pointed voltage value should be ensured during test to get satisfied test result. - Page 5 b. AGC adjust 60dB , Color bar and Adjusting the AGC data to make the picture TV Video Signal Gray in the best condition Generator 5. 5.GAMMA Pattern Generator 1280X1024@75Hz ； 256 Set Gamma data is “1.0” Gray 6. OSD 1280X1024@75Hz ；...
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Page 6: Power Board
GM1601/1501 CHASSIS SYSTEM LAYOUT GM1601/1501 CHASSIS SYSTEM LAYOUT System Power supply Power board Speaker connector Change LVDS to board panel Inverter Sound to panel Chassis connector Power Back light Supply Control Digital board Switch input Key board System power supply : DC+12V +24v +5v(standby), PW_off Chassis power supply : DC +12V +5V(standby), PW_off Back light control : DC +3.3V or +5V... - Page 7 GM1601/1501 CHASSIS POWER SUPPLY SYSTEM GM1601/1501 CHASSIS POWER SUPPLY SYSTEM +12V N806 Panel Power AP9453M to LVDS port XS502 N801 MP1410 To tuner N809 +3.3V_SW 7805 N802 BA33BC0FP +12V +5V_SW +1.8V_SW N804 N803 MP1410 BA18BC0FP +5V_DEC +2.5V DDR +3.3V N805 N808 BA25BC0FP +2.5V Tele...
- Page 8 GM1601/1501 CHASSIS SIGNAL BLOCK DIAGRAM GM1601/1501 CHASSIS SIGNAL BLOCK DIAGRAM SIF1/SIF2 EPCOS SIF_MAIN M9352M For Europe Model RF IN N408 N408 TUNER S1_R/G/B PI5V330 PI5V330 9885T/9886T EPCOS N404 N404 TU_CVBS M3953M VIF1/VIF2 2MB static 2MB static Tele text R/G/B SCART-1 S1_CVBS S1_AUDIO_in_R/L N407...
- Page 9 GM1501 Functional Block Diagram FLI2310 – Simplified Internal Block Diagram...
- Page 10 R316 R317 C306 12pF K ON K A GR OU P C O.,LTD Multimedia Product Development Center Title +3.3V +3.3V +3.3V 1. Graphic/Component IN Size Document Number Konka KLC-2318UG 、 3218UG、 3728UG MAIN BOARD Date: Thursday, September 15, 2005 Sheet...
- Page 11 0.22uF YCbCr_Y YCbCr_Cr R4110 C4119 0.22uF YCbCr_Cr K ON K A GR OU P C O.,LTD Multimedia Product Development Center Title 2. Video Decoders Size Document Number Konka KLC-2318UG 、 3218UG、 3728UG MAIN BOARD Date: Wednesday, January 05, 2005 Sheet...
- Page 12 EXBLK1 +3.3V_TELE SCARTFB SCARTFB CBW321611V121B R439 R438 C444 SELECT 0.1uF R440 PI5V330 SCRT/CCSEL SCRT/CCSEL KONKA GROUP CO.,LTD Multimedia Product Development Center Title 3. Teletext Size Document Number 、 Konka KLC-2318UG、 3218UG 3728UG MAIN BOARD Date: Wednesday, January 05, 2005 Sheet...
- Page 13 C571 C572 K ON K A GR OU P C O.,LTD Multimedia Product Development Center TC511 22uF 0.1uF 0.1uF 0.1uF Title OCMDATA[0..7] 4. gm1601 Size Document Number Konka KLC-2318UG 、 3218UG、 3728UG MAIN BOARD Date: Thursday, September 15, 2005 Sheet...
- Page 14 FSCLK- 0.1uF 0.1uF 0.1uF 0.1uF Place this parallel termination close to R413 corresponding memory IC Pins KONKA GROUP CO.,LTD Multimedia Product Development Center Title 5. Frame Memory Size Document Number 、 Konka KLC-2318UG、 3218UG 3728UG MAIN BOARD Date: Wednesday, January 05, 2005...
- Page 15 R407 OCMADDR14 OCMADDR12 OCMADDR15 RN404 10K_4 OCMADDR16 INT_OSC OCMADDR18 8-BIT_FLASH2 OCMADDR17 8-BIT_FLASH1 R408 OCMADDR19 8-BIT_FLASH3 R409 KONKA GROUP CO.,LTD Multimedia Product Development Center Title 6. Memory I/F Size Document Number Konka KLC-2318UG、3218UG、3728UG MAIN BOARD Date: Wednesday, January 05, 2005 Sheet...
- Page 16 RInput_P Q109 BC847 TC117 R154 MUTE_Control R156 470K 47uF Q110 BC857 R155 KONKA GROUP CO.,LTD Multimedia Product Development Center Title 7. Tuner And Audio Size Document Number 、 Konka KLC-2318UG、 3218UG 3728UG MAIN BOARD Date: Wednesday, January 05, 2005 Sheet...
- Page 17 0.1uF L829 L830 L831 L832 L833 +1.8V CBW321611V121B CBW321611V121B CBW321611V121B CBW321611V121B CBW321611V121B CBW321611V121B L834 KONKA GROUP CO.,LTD Multimedia Product Development Center Title 8. Power Size Document Number 、 Konka KLC-2318UG、 3218UG 3728UG MAIN BOARD Date: Wednesday, January 05, 2005 Sheet...
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