Table of Contents
Related Manuals for Konka Group KDL26BZ31U
Summary of Contents for Konka Group KDL26BZ31U
- Page 1 LCD TV SERVICE MANUAL Model list KDL26BZ31U KDL32BZ22U KDL32BZ23U KDL32BZ25U KDL32BZ25U-A KDL32BZ31U KDL37BZ23U KDL37BZ25U KDL37BZ25U-A KDL37BZ31U KDL42BZ23U KDL42BZ31U KDL42BZ25U-A 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. Those who are thoroughly familiar with precautions necessary when working on high voltage equipment should only perform work on these models. Exercise care when servicing this chassis with power applied. -
Page 3: Specification
A. SPECIFICATION Color System : NTSC_M、ATSC/Free QAM Sound System : BTSC/SAP Frequency range: Antenna(2~69)、Cable(1~135) Audio output power 10%THD 5W X 2 Antenna Impedance 75Ω(Unbalance) Power Consumption 160W(26”)，180W(32”)，195W(37”)，290W(42”) Power Supply : AC~110-240V, 60Hz item Port list RF Antenna & Cable HDMI 1 HDMI 2 Headphone Audio Output VGA Audio Input... -
Page 4: Adjustment Manual
B. Adjustment Manual 1. Test notes 1. Please follow the pointed test steps and choose the proper test equipment to conduct adjustment, otherwise good effect of TV set could not be obtained. Pointed bias voltage value should be ensured during test to get satisfied test result. Be sure that you have the static electricity –protective glove in before test. -
Page 5: Parameters Setting
4.4.2 Adjust white balance. Enter factory menu, select “White Blance” item, enter to the White Balance Adjust Menu. Adjust WBRO 0-100 WBGO 0-100 WBBO 0-100 WBRG 0-100 WBGG 0-100 WBBG 0-100 4.4.3 Adjusting chromaticity coordinates of black and white to fit the requirement. Cool(9300K) x=0.283±0.015 , y=0.297±0.015 Normal(7500K) -
Page 6: Advanced Video Menu
4.10 Advanced Video Menu Select the item of “Advanced Video Menu” in factory menu, press “OK” to enter Advanced Video Menu. Then you can set some value . 4.11 AGC Select the item of “AGC” in factory menu, press “OK” to set the value (0/1/2/3/4/5/6), then choose the value for the best image effect. - Page 7 Screen is clear and fluent, Play VIDEO Audio checks DVD Video Cable DVD to interlaced check output is normal 。 output Y, Pb, Pr HDTV Receiver Screen is clear and fluent, SDTV: Play ATSC HDTV Audio checks 480P SDTV/HDTV (Y, Tuner Component output is normal 。...
- Page 8 C. Key IC list Item Type Circuit No. Qty. 32001649 FQD1236/F N101 19006243 S29GL032A90TFIR4 N001 N002 19006052 HY5DU561622ETP N003 19006246 P89V51RB2FA N004 19006244 CAS-220/CSO-LQFP100-Zoran N102 19006247 PT2313L-SOP28 N203 19003653 BA09FP-TO252-3-ROHM N204 19006300 MST9883B-2-LF-110-LQFP80-MSTA N301 N302 19003889 SN74CBT3257DBQR-CU257 N303 N306 19006245 ZR39660BGCG-BGA400- N401 19003312...
- Page 9 ZR39660 CHASSIS SYSTEM LAYOUT...
- Page 10 ZR39660 CHASSIS POWER SUPPLY SYSTEM 5V_TUNER 0.3A 5V_1 N804 3V3_ZR 0.4A 1117 3V3_MST 0.36A N801 3V3_CAS 0.05A MP1430 N805 3V3_FLA 0.03A 1117 3V3S 0.02A 5V_2 N803 2V5_DDR 0.2A 1117 2V5_ZR 0.2A N807 (N803,N805 FOR LCD) BAO25 (N807,N808 FOR PDP) FOR ZR39660 1.0A N802 VCC1_8...
- Page 11 N401A N401A GDAT[0:13] Guest Bus Guest Bus GADR[0:15] GDAT15 GDAT14 GDAT13 GDAT13 GDAT12 GDAT12 GDAT11 GDAT11 N001 N001 GDAT10 GDAT10 GDAT9 GDAT9 GDAT8 GADR1 GDAT0 GDAT8 GDAT7 GADR2 GDAT1 GDAT7 GDAT6 GADR3 GDAT2 GDAT6 GDAT5 GADR4 GDAT3 GDAT5 GDAT4 GADR5 GDAT4 GDAT4 GDAT3...
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Page 12: Ddr Sdram Interface
DDRA[0:12] N002A N002A N401B N401B DDR SDRAM DDR SDRAM DDRA12 DDR SDRAM CTLR DDR SDRAM CTLR RES(A12) DDRA11 DDRDQ0 DDRA10 DDRDQ1 DDRA0 RN001A RN001A 15x4 15x4 15x4 15x4 RN002B RN002B DDRDQ5 DDRA9 DDRDQ2 SADR0 SDATA0 DDRA1 RN007A RN007A 15x4 15x4 15x4 15x4 RN002C... - Page 13 5V_1 HDMI1_IN_5V HDMI1_5V XS302 XS302 C354 C354 C351 C351 R345 R345 N305 N305 VD302 VD302 (HDMI Input) N401D N401D SHELL1 3V3S HDMI1_RX2+ BAV70L BAV70L 10uF/10V 10uF/10V 0.1uF 0.1uF SHELL3 HDMI In HDMI In D2 Shield 5V_SUPPLY HDMI1_RX2- TMDS_BYP LV_SUPPLY HDMI1_RX1+ Rx0+ HDMI_D0P HDMI1_IN_5V...
- Page 14 N102A N102A C108 10nF C108 10nF N101 N101 AIN2_P D_OUT0 AIN2_N D_OUT1 FQD1236 FQD1236 L101 L101 D_OUT2 R104 R104 C116 C116 GND1 AIN1_P D_OUT3 220nH 220nH GND2 AIN1_N D_OUT4 27pF 27pF GND3 D_OUT5 C117 C117 C101 C101 GND4 D_IN0 D_OUT6 10nF 10nF D_IN1...
- Page 15 Supply Bypass, Audio ADC 5V_1 R622 R622 VAVcc R623 R623 VDVcc RN604 RN604 RN602 RN602 C622 C622 C623 C623 C624 C624 C625 C625 C626 C626 47uF/16V 47uF/16V 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 10Kx4 10Kx4 10Kx4 10Kx4 5V_1 CVBS_L C633 C633...
- Page 16 N401I N401I C677 C677 R677 R677 Video Decoder Video Decoder N311 N311 C653 C653 C654 C654 C655 C655 FMS6143 FMS6143 R680 R680 12pF 12pF 12pF 12pF 12pF 12pF VFE_YIN VIN1 OUT1 VFE_YIN XS607-1 XS607-1 C672 C672 0.1uF 0.1uF SVIDEO_C VFE_IBEXT VIN2 OUT2 VFE_IBEXT...
- Page 17 5V_1 N401G N401G L201 L201 CBG201209U360B CBG201209U360B R248 R248 R202 R202 C204 C204 C213 C213 0.1uF 0.1uF Audio Audio 47uF/16V 47uF/16V L202 L202 C215 C215 CBG201209U360B CBG201209U360B R258 R258 3V3S C224 C224 R249 R249 C225 C225 0.1uF NC 0.1uF NC 100uF/16V NC 100uF/16V NC ADATAI0...
- Page 18 TXOUT3+ TXOUT3+ TXOUT3- TXOUT3- TXCLK+ TXCLK+ TXCLK- TXCLK- 5V_SB TXOUT2+ TXOUT2+ TXOUT2- L503 L503 TXOUT2- TXOUT1+ I2C0DATA 3V_SDA CBW321611U121B NC CBW321611U121B NC TXOUT1+ TXOUT1- I2C0CLK 3V_SCL TXOUT1- TXOUT0+ /DISPLAY/HV-ON ODSEL2 TXOUT0+ TXOUT0- TXOUT0- XS502 XS502 3V3S 3V3S 3V3S PANEL_POWER /DISPLAY/HV-ON CBW321611U121B CBW321611U121B CBW321611U121B...
- Page 19 PIXOUT[0..23] VCC_PLL 22x4 22x4 RN306 RN306 PIXOUT16 (Digital Display Capture Input) PIXOUT17 PIXOUT18 PIXOUT19 N401F N401F 22x4 22x4 RN305 RN305 Digital Video Digital Video N301 N301 MST9883 MST9883 PIXOUT20 PIXOUT21 PIXOUT0 PIXOUT0 PIXOUT22 PIXOUT1 PIXOUT1 PIXOUT23 PIXOUT2 PIXOUT2 PIXOUT3 PIXOUT3 PIXOUT4 22x4 22x4...
- Page 20 5V_SB 5V_SB N401E N401E 5V_SB RN608 RN608 RN609 RN609 Super I/O Super I/O R036 R036 D001 D001 4.7Kx4 4.7Kx4 4.7Kx4 4.7Kx4 4.7K 4.7K 1N4148 1N4148 C032 C032 R047 R047 C031 C031 47uF/16V 47uF/16V R037 R037 Q609 Q609 0.1uF 0.1uF MMBT3906 MMBT3906 4.7K 4.7K...
- Page 21 N401H N401H POWER & GROUND POWER & GROUND N002B N002B N003B N003B 3V3_ZR IVDD DDR SDRAM DDR SDRAM 2V5_ZR DDR SDRAM DDR SDRAM 2V5_ZR IVDD (PWR) (PWR) (PWR) (PWR) IVDD IVDD VDD1 VDD1 IVDD VDD2 VDD2 IVDD VDD3 VDD3 IVDD 2V5_ZR 2V5_ZR IVDD...
- Page 22 (4A) D5V/D6V/D9V C856 C856 C802 C802 C803 C803 N802 N802 R813 R813 5.6K 5.6K C826 C826 3.3nF 3.3nF (2A) 5V_SB MP1430DN MP1430DN L801 L801 470uF/16V 470uF/16V 0.1uF 0.1uF 10nF 10nF L816 L816 CBW321611U121B CBW321611U121B C825 C825 0.1uF 0.1uF C827 100pF C827 100pF COMP CBW453215U310B...
- Page 23 5V_TUNER 0.3A 5V_1 N804 3V3_ZR 0.4A 1117 3V3_MST 0.36A N801 3V3_CAS 0.05A MP1430 N805 3V3_FLA 0.03A 1117 3V3S 0.02A 5V_2 N803 2V5_DDR 0.2A 1117 2V5_ZR 0.2A N807 BAO25 (N803,N805 FOR LCD) (N807,N808 FOR PDP) FOR ZR39660 1.0A N802 VCC1_8 MP1430 FOR Cascade220 0.7A Title...