Sankey CLCD-2630 Service Manual

26” lcd tv

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Service Manual

26" LCD TV

Model: CLCD-2630

English Version

Table of Contents

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Summary of Contents for Sankey CLCD-2630

Page 1: Service Manual
Service Manual 26” LCD TV Model: CLCD-2630 English Version...
Page 2: Table Of Contents
INDEX Cautions…………………………………………….…………………2 Product specification………………….…………………………..……..3 Illustration of the interface panel………….…………..………………4 Illustration of the remote control……………….……….………………6 Alignment…………………………………………………………………8 Technical Information……………………...………….………...…..…9 Troubleshooting……………………………………….………...…...…24...
Page 3: Cautions
1- Cautions 【Warning】 To reduce the risk of fire or electric shock, do not expose this equipment to rain or moisture. This symbol is intended to alert the user to avoid the risk of electric shock, do disassemble this equipment by anyone except a qualified service personnel. This symbol is intended to alert the user to the presence of important operating and maintenance instructions in the literature accompanying the appliance.
Page 4: Product Specification
2- Product specification ITEMS SPECIFICATION Panel Type 26” TFT LCD Display Area 575.769 × 323.712 Panel Display Color 16.7 million View angle 176°(H) / 176°(V) Resolution MAX resolution 1366×768 Analog RGB 15 pin D-sub Video S-video Input Video Input HDTV (Y, Pb, Pr) Input HDMI Input In/Out Audio...
Page 5: Illustration Of The Interface Panel
3- Illustration of the interface panel (1) Illustration of control board ③ ④ ⑤ ∧ ⑥ ∨ ⑦ ⑧ ⑨ ② ① ITEM DESCRIPTION Infrared Receiver. (IR) 1 IR & LED The LED light indicates when the LCD TV is activated. AC power on/off.
Page 6 (2) Illustration of the interface panel ⑵ ⑶ ⑷ ⑹ ⑺ ⑻ ⑼ ⑾ ⑴ ⑸ ⑽ ITEM DESCRIPTION 1 AC IN Connects the AC power cord. (100~240V AC, 50/60Hz) 2 Earphone Out Earphone out interface. 3 YCbCr/YPbPr Audio in (L/R) jacks of your DVD player, HDTV, or video equipment. Audio (L/R) 4 RF(75Ω) The RF input that connects to your VHF/UHF antenna or cable.
Page 7: Illustration Of The Remote Control
4- Illustration of the remote control Installing the batteries in your remote control 1. Pull the tab of the back cover and pull up on the cover to open the battery compartment. 2. Insert two AAA size batteries. Make sure to match the (+) and (-) ends of the batteries with the (+) and (-) ends indicated in the battery compartment.
Page 8 Illustration of the keys on the remote control: 1. POWER Turns the LCD TV on and into standby mode. 2. MUTE Mutes and restores your LCD TV sound. 3. 0~9 TV channel number select 4. -/-- One bit, two bit or three bit TV channel select Switches back and forth between the current and previous channels.
Page 9: Alignment
5- ALIGNMENT FACTORY 1. This mode uses the special remote control. Turn on the LCD TV. Press SMODE until “Theater” display on the screen. Press SLEEP until “120min” display on the screen. Press the green button. 2. The factory mode will be displayed. 3.
Page 10: Technical Information
6- TECHNICAL INFORMATION - 9 -...
Page 11 VGA_5V +5V_SB' VGA_Rin R269 75ohm-0603-±5%-1/10W +5V_SB' LL4148-LL-34 LL4148-LL-34 R174 R219 4K7ohm-0603-±5%-1/10W 4K7ohm-0603-±5%-1/10W VGA_Gin CN11 ISP_SCL C200 VGA_SDA ISP_SDA D351-015F-001-短体 R310 75ohm-0603-±5%-1/10W VGA_SCL 0.1uF-0603-Y5V-+80%-20%-50V R220 R222 ISP_SDA 10Kohm-0603-±5%-1/10W VGA_Rin R311 100ohm-0603-±5%-1/10W 10Kohm-0603-±5%-1/10W VGA_SDA' VGA_Gin HS_VGA VGA_Bin VGA_Bin VGA_5V VS_VGA R270 ISP_SCL 75ohm-0603-±5%-1/10W VGA_SCL' R312 100ohm-0603-±5%-1/10W...
Page 12 TC5026U-470K-BK/NA ST-BY<70mA 470uF-16V-±20%-8*12－105℃ 1500mA 180mA SK34(1N5822)-SMD/SMA 1.3A 0.1uF-0603-Y5V-+80%-20%-50V +5V_SB 0.1uF-0603-Y5V-+80%-20%-50V +5V_SB' AZ1117H-3.3(TR)E1 +12V AP1501-50K5L(A) 40mA +12VEXT 3.3V_SB R334 2A-S1013-快断 SDFL3216S100KT-1206 ON/OFF R212 +E75 0ohm-1206-±5%-1/4W 47uF-16V -±20%-4*7 － ℃ － ℃ 100uF-16V-±20%-6*7 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V R205 0ohm-1206-±5%-1/4W 470uF-25V-±20%-10*13－105℃ +12VEXT 3A-S1013-快断 0.1uF-0603-Y5V-+80%-20%-50V R353 100uF-16V-±20%-6*7－105℃...
Page 13 5V_AMP1 SEL2 SEL1 ISP_CTL 220ohm-0603-±5%-1/10W 100uF -16V-±20% -6*7 － ℃ 5V_2 0.1uF-0603-Y5V-+80%-20%-50V R338 VGA_R EC0410-101K YPrPb12 47uF-16V-±20 %-4*7 － 10 5 ℃ 0.1uF-0603-Y5V-+80%-20%-50V M D-40SV R342 VGA_L VGA_R VGA_R' VGA_L VGA_L' HDMI 0.1uF-0603-Y5V-+80%-20%-50V CKX3-3.3-11D 100Kohm-0603-±5%-1/10W 100Kohm-0603-±5%-1/10W 47uF-16V-±20%-4*7 － ℃ MLVS0603M07 100Kohm-0603-±5%-1/10W 4K7ohm-0603-±5%-1/10W 100Kohm-0603-±5%-1/10W...
Page 14 R169 +5V_AMP3 C100 R117 R119 NC/100ohm-0603-±5%-1/10W NC/47uF-16V-±20%-4*7－105℃ NC/0.1uF-0603-Y5V-+80%-20%-50V C116 C117 DVD_Y' YPbPr1_Y YPbPr1_Y' ISP_CTL DVD_Y DVD_YPbPr R118 R120 C184 C189 NC/47Kohm-0603-±5%-1/10W +5V_AMP3 NC/47Kohm-0603-±5%-1/10W YPbPr1 NC/1uF-0603-Y5V-+80%-20%－10V NC/1uF-0603-Y5V-+80%-20%－10V NC/47Kohm-0603-±5%-1/10W NC/47Kohm-0603-±5%-1/10W NC/4K7ohm-0603-±5%-1/10W R111 0ohm///1uF-0603-Y5V-+80%-20%－10V NC/0.1uF-0603-Y5V-+80%-20%-50V NC/1uF-0603-Y5V-+80%-20%－10V 0ohm-0603-±5%-1/10W R121 R123 0ohm-0603-±5%-1/10W R129 DVD_Y' YPbPr1_Y' C118 C119 YPbPr_Y...
Page 15 SDFL3216S100KT-1206 0.01uF-0603-X7R-±10%-50V 0.1uF-0603-Y5V-+80%-20%-50V 3V3S 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V C125 C126 C127 C164 C165 C166 C167 C168 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V RX_INT# SCDT RESET_L BIN0 DP_DE_FLD DP_VS RX3V_DDC_SDA DP_HS RX3V_DDC_SCL DP_CLK' 4*33ohm-0603-±5%-1/16W ANTSTO RXC- RXC- 3V3S RXC+ RXC+ RX0- RX0- RX0+ RX0+ R173 RX1- RX1- 4K7ohm-0603-±5%-1/10W...
Page 16 3.3V_SB 100ohm-0603-±5%-1/10W 100ohm-0603-±5%-1/10W NC/4K7ohm-0603-±5%-1/10W R185 100ohm-0603-±5%-1/10W 22ohm-0603-±5%-1/10W 0ohm-0603-±5%-1/10W 100ohm-0603-±5%-1/10W 22ohm-0603-±5%-1/10W 0ohm-0603-±5%-1/10W R184 100ohm-0603-±5%-1/10W 22ohm-0603-±5%-1/10W NC/4K7ohm-0603-±5%-1/10W 100ohm-0603-±5%-1/10W 22ohm-0603-±5%-1/10W 100ohm-0603-±5%-1/10W R315 3.3V_SB 3V_SDA 5V_SDA 3V_SDA R316 RESET_L 3V_SCL 3V_SCL 5V_SCL R324 8051_CS2CX R170 C175 1000pF-0603-X7R-±10%-50V NC/NDC7002N CX_INT# R325 NC/4K7ohm-0603-±5%-1/10W R187 4K7ohm-0603-±5%-1/10W R171 KEYB R326 8051_WR#...
Page 17 SCART-AROUT1 SCART-AROUT2 SCART_RI SCART_RI_S SCART-ALOUT1 SCART-ALOUT2 AGND AGND BGND BGND SCART_LI SCART_LI_S SCART_Bin SCART_SWITCH_IN SCART2_SWITCH_IN SWTCH SWTCH GGND GGND CLKOUT CLKOUT SCART_Gin DATA DATA RGND RGND DATAGND DATAGND SCART_Rin SCART2_C SCART_ FB BLNK BLNK VGND VGND BLNKGND BLNKGND SCART-VOUT SCART2-VOUT VOUT VOUT SCART_VI...
Page 18 U23A SVPTMCX32 CN10 VSEL VSEL TV_CVBS C142 TD1+ CVBS1 TD1P VSEL TD1- TD1M YPbPr_Y C143 Y_G1 TA1- TA1+ TC1+ TC1P SCART_Gin C144 TB1- TB1+ TC1- Y_G2 TC1M TC1- TC1+ CVBS C145 TB1+ Y_G3 TB1P TCLK1- TCLK1+ TB1- TB1M 0.1uF-0603-Y5V-+80%-20%-50V VGA_Gin C146 TD1- TD1+...
Page 19 U23B SVPTMCX32 up_A[0...7] 8051_A0 uP_A0 ADDR0 8051_A1 uP_A1 ADDR1 ADJ_PWM0 8051_A2 uP_A2 PWM0 ADDR2 RN10 8051_A3 uP_A3 ADDR3 8051_A4 uP_A4 ADDR4 CX_SCL 8051_A5 uP_A5 ADDR5 8051_A6 uP_A6 ADDR6 CX_SDA 8051_A7 uP_A7 ADDR7 up_AD[0...7] RN11 8051_AD0 uP_AD0 A_D0 SEL3 8051_AD1 uP_AD1 GPIO0 A_D1 SEL4...
Page 20 R206 CX_MA11 15ohm-0603-±5%-1/10W R306 0ohm-0603-±5%-1/10W CX_DQM0 DQM1 CX_BA0 15ohm-0603-±5%-1/10W CX_WE# 15ohm-0603-±5%-1/10W R307 CX_DQM1 DQM0 CX_CAS# 15ohm-0603-±5%-1/10W CX_RAS# R308 CX_DQM2 DQM2 CX_MCLK CX_CLKE R309 CX_DQM3 DQM3 U23C SVPTMCX32 HY57V643220DT-6 DQM0 CX_MA0 DQM0 CX_MA0 DQ15 DQM1 CX_MA1 DQM1 CX_MA1 DQ14 DQM2 CX_MA2 DQM2 DQ13 DQM3...
Page 21 CX_VD18 0.01uF-0603-X7R-±10%-50V C269 C270 C271 C210 C211 C212 0.01uF-0603-X7R-±10%-50V 0.01uF-0603-X7R-±10%-50V 0.1uF-0603-Y5V-+80%-20%-50V 0.1uF-0603-Y5V-+80%-20%-50V U23D SVPTMCX32 0.1uF-0603-Y5V-+80%-20%-50V VDDC VSSC VDDC VSSC VDDC VSSC VDDC VSSC VDDC VSSC VDDC VSSC VDDC VSSC CX_VD33 150mA VDDC VSSC 120mA VDDH VSSH FB14 VDDH VSSH SDFL3216S100KT-1206 C215 C214 C219...
Page 22 AF OUT AF OUT' AUDIO 5V-AU VCC2 TV_CVBS VIDEO SIF' 2nd IF GZ1608D121T-0603 5V-AU EC0410-101K GZ1608D121T-0603 100uF-16V-±20%-6*7－105℃ 0ohm-0603-±5%-1/10W 0.1uF-0603-Y5V-+80%-20%-50V NC/330pF-0603-X7R-±10%-50V 1000pF-0603-X7R-±10%-50V 200mA 75ohm-0603-±5%-1/10W +5V_SB 0.1uF-0603-Y5V-+80%-20%-50V GZ1608D121T-0603 100Kohm-0603-±5%-1/10W 100ohm-0603-±5%-1/10W 3V_SDA 3V_SDA' 100ohm-0603-±5%-1/10W TV-CON 3V_SCL 3V_SCL' 5V/TV AO4405 VCC1 100uF-16V-±20%-6*7－105℃ 0.1uF-0603-Y5V-+80%-20%-50V EC0410-101K 100uF-16V-±20%-6*7－105℃...
Page 23 2052 FLASH 74ALVC573D T5BS4-9999 E2PROM SDROM SVP_CX32 Panel YPbPr CVBS HDMI 3257 Tuner VIDEO SWVIDEO-OUT CVBS YPbPr VIDEO YPbPr YPbPr PC-Audio SCART1 HDMI Video S-Video SCART2 YPbPr (Video) (S-Video)
Page 24 VIDEO_OUT YPrPb12 4052 SCART2_OUT HDMI SCART1_OUT MSP3415 SCART1 TDA7265 Speaker SCART2 4052 Headphone 7313 YPbPr1...
Page 25: Troubleshooting
7- TROUBLESHOOTING 1. NO POWER Check the voltage of F2(2A) Power:12V Check the power supply outlet Check the indicator light is ok Check U10 (SM601) Open the power supply 1. Check the voltage is ok 2. Check reset is ok 3.
Page 26 Abnormal phenomena 2. Poor Picture Unusual picture Unusual OSD Joint U24 again Check the voltage volume Confirm cables to the panel again Joint U23 (CX32) Check the panel Replace panel Check the software Check the time and steps of electrifying Check if U17/U3 is too hot Replace L20/L21 - 25 -...
Page 27 Black Screen 4. No Picture electrocircuit Check if using the right voltage CN6 Check BLON, control the Check the cables to the panel Check if U4(4405)Pin4 using right voltage Check U4, control the electrocircuits Check if U3 Pin2 is150KHz Replace L21 - 26 -...
Page 28 5. NO SOUND No Sound Check if using the right audio in-put signal Volume up Open the outer audio in-put signal Check the volume state, mute Check the power supply U7(TDA7265) Close U7(7265) Confirm U7(7265)Pin5＜17V 1. Mute 2. ST-BY Confirm U6(msp3415) Confirm (msp3415) Confirm U7 Pin7/Pin 11 audio...
Page 29 6. TV abnormal Tv no auto search /no signal Check RF input Check antenna input Confirm if T1 Pin3Pin13 is 5V Check L7/L8 Check if I2C has Check if T1 Pin4Pin5 I2C all right connected to MCU Check U14 and controlled circuit 上...
Page 30 6. PC Abnormal PC abnormal PC: no signal Unstable mode of PC Lack of color in PC shaking PC: picture middle PC: pictures aren’t in the Check R274/R275 Check input of U23 Check HS/VS Auto adjust Check electrocircuit of HS/VS Auto adjust Check outer...
Page 31 8．Abnormal signal from other interfaces AV/S-VIDEO/YpbPr: No signal HDMI: no signal HDMI no sound Confirm if there is signal input Check RN4 Check antenna input board Check the state of the chip on the connected 检查 U15(4334)工作正常 Confirm U23(CX32) 1． Power supply works 2．...