Sankey CLCD-2630 Service Manual Download Page 30 | Manualshive

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Sankey CLCD-2630 Service Manual Download Page 30

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6. PC Abnormal

PC: pictures aren’t in the

middle

Check HS/VS

Check electrocircuit of

HS/VS

Lack of color in PC

Check R274/R275

Check input of U23

RGB

Auto adjust

Unstable mode of PC

PC abnormal

PC: no signal

Check electrocircuit

input of RGB

Auto adjust

PC: picture

shaking

Auto adjust

Check outer

electrocircuit of HS/VS

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Summary of Contents for CLCD-2630

Page 1: ...Service Manual 26 LCD TV Model CLCD 2630 English Version...

Page 2: ...1 INDEX 1 Cautions 2 2 Product specification 3 3 Illustration of the interface panel 4 4 Illustration of the remote control 6 5 Alignment 8 6 Technical Information 9 7 Troubleshooting 24...

Page 3: ...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 literatur...

Page 4: ...deo S video Input Video Input HDTV Y Pb Pr Input HDMI Input In Out Audio Composite Input PC Input Earphone Output HDTV Input TV Antenna Color System Receiving System 75 Coaxial cable M M N NTSC PAL M...

Page 5: ...2 Power Switch AC power on off 3 VOL Adjusts the volume up 4 VOL Adjusts the volume down 5 CH Scans up through channels Selects sub menu items on the OSD mode 6 CH Scans down through channels Selects...

Page 6: ...that connects to your VHF UHF antenna or cable 5 YCbCr YPbPr Component Y Cb Pb Cr Pr video jacks 6 AV Out Used to connect a video signal from a VTR or DVD 7 AV Composite video input jacks 8 S Video S...

Page 7: ...n the battery compartment 3 Align the lower tabs of the back cover to the remote control and snap the cover into place 4 Illustration of the remote control If the remote controller is not used for a l...

Page 8: ...own 10 ZOOM Zoom the picture 16 9 16 9 Zoom 16 9 USB 14 9 Original 11 SYSTEM TV System select 12 DISPLAY Display current TV channel or cancel 13 Left orientation 14 Right orientation 15 Up orientation...

Page 9: ...0min display on the screen Press the green button 2 The factory mode will be displayed 3 Access the adjustment mode by pressing the button The adjustment parameters adjusted are listed in the accompan...

Page 10: ...9 6 TECHNICAL INFORMATION...

Page 11: ...0V VGA_5V VGA_5V 5V_SB GND GND GND Pins 6 7 8 are R G Breturn lines resp Schmitt Triggers VGA_SDA VGA_SCL 1 3 2 DA8 BAV99LT1 A7 SOT 23 1 3 2 DA9 BAV99LT1 A7 SOT 23 1 3 2 DA10 BAV99LT1 A7 SOT 23 C42 0...

Page 12: ...R240 100ohm 0603 5 1 10W 1 2 FB9 SDFL3216S100KT 1206 CX_VL18 CX_VA18 C88 0 1uF 0603 Y5V 80 20 50V E30 47uF 16V 20 4 7 105 C89 0 1uF 0603 Y5V 80 20 50V E31 47uF 16V 20 4 7 105 C90 0 1uF 0603 Y5V 80 20...

Page 13: ...15 VDD 16 VSS 8 B 9 U1 CD74HC4052 5V_AMP1 VGA_R YPbPr12_R AUDIO1 R AV_R VGA_L AUDIO1 L YPbPr12_L AV_L SEL1 SEL2 SEL2 SEL1 ISP_CTL VGA DVD YPrPb12 HDMI 0 0 0 1 1 1 0 1 LSPK RSPK 1 2 3 4 CN2 4PIN 2 54...

Page 14: ...1_Pr 1 2 3 4 5 6 7 8 9 10 CN3 NC 10PIN 2 0 D H DVD_L GND DVD_R 1 2 3 CN4 NC 3PIN 2 0 D H G R98 NC 75ohm 0603 5 1 10W R97 NC 75ohm 0603 5 1 10W R99 NC 75ohm 0603 5 1 10W 5V_AMP3 C116 NC 1uF 0603 Y5V 80...

Page 15: ...7 8 6 4 2 RN4 4 33ohm 0603 5 1 16W R176 NC 4K7ohm 0603 5 1 10W R237 47Kohm 0603 5 1 10W C135 0 1uF 0603 Y5V 80 20 50V SDIN 1 DEM SCLK 2 LRCK 3 MCLK 4 VQ 5 FILT 6 AOUTL 7 GND 8 VA 9 AOUTR 10 U15 CS434...

Page 16: ...61 SO SDA 57 P62 SI SCL 58 P63 INT0 59 P50 AN0 60 P51 AN1 61 P52 AN2 62 P53 AN3 ADTRG 63 AVCC 64 U29 T5BS4 9999 Y4 27 000MHZ 30PPM 20PF HC 49S 3 3V_SB 3 3V_SB 3 3V_SB 3 3V_SB 3 3V_SB 3 3V_SB GND GND G...

Page 17: ...1 3 2 D38 BAV99LT1 A7 SOT 23 1 3 2 D32 BAV99LT1 A7 SOT 23 1 3 2 D36 BAV99LT1 A7 SOT 23 1 3 2 D35 BAV99LT1 A7 SOT 23 1 3 2 D31 BAV99LT1 A7 SOT 23 1 3 2 D33 BAV99LT1 A7 SOT 23 1 3 2 D30 BAV99LT1 A7 SOT...

Page 18: ...TC1M 45 LVDSGND 47 LVDSVCC 46 TB1P 48 TB1M 49 TA1P 50 TA1M 51 LVDS_VDDP 52 XTALI 205 XTALO 204 PLL_VCC 39 PLL_GND 38 TESTMODE 157 AIN_HS 158 AIN_VS 159 CVBS_OUT1 163 CVBS_OUT2 162 VREFP_1 174 VREFN_1...

Page 19: ...237 NC 68pF 0603 NPO 5 50V C236 NC 68pF 0603 NPO 5 50V 2 4 CPU INTERFACE SVP CX32_208 DIGITAL OUT PWM0 55 CS 61 GPIO0 60 INTN 56 SCL 57 SDA 58 WR 62 RD 63 A_D0 83 A_D1 82 A_D2 81 A_D3 80 A_D4 79 A_D5...

Page 20: ...SSQ 6 VSSQ 12 VSSQ 46 VSSQ 52 DQ16 31 DQ17 33 DQ18 34 DQ19 36 DQ20 37 DQ21 39 DQ22 40 DQ23 42 DQ24 45 DQ25 47 DQ28 51 DQ29 53 DQ30 54 DQ31 56 DQM2 28 DQM3 59 BA1 23 VDDQ 49 VDDQ 55 VDDQ 75 VDDQ 81 VSS...

Page 21: ...119 VDDC 136 VDDM 98 VDDM 108 VDDM 134 VDDM 146 VSSC 97 VSSC 120 VSSC 137 VSSM 99 VSSM 110 VSSM 135 VSSM 147 VDDC 53 VSSC 54 VDDC 74 VSSC 75 VDDH 72 VSSH 20 VDDH 19 VSSH 73 VDDC 12 VSSC 13 VDDC 27 VS...

Page 22: ...5 L8 EC0410 101K GND C66 0 1uF 0603 Y5V 80 20 50V 5V TV E11 100uF 16V 20 6 7 105 GND L18 GZ1608D121T 0603 C91 1000pF 0603 X7R 10 50V C94 NC 330pF 0603 X7R 10 50V GND R79 75ohm 0603 5 1 10W 3V_SCL 3V_S...

Page 23: ...ideo PC Audio S Video SCART1 YPbPr Video S Video Tuner 3257 S C RGB SW RGB VIDEO FB C Y SWVIDEO OUT S_Y HDMI DVI HDMI DVI T5BS4 9999 FLASH 74ALVC573D Key SDROM Panel IR LED E2PROM CVBS CVBS YPbPr DVD...

Page 24: ...MSP3415 HDMI SCART1 SCART2 AV 4052 TDA7265 Speaker Headphone SCART1_OUT SCART2_OUT VGA YPrPb12 DVD TV TV 4052 VIDEO_OUT 7313 YPbPr1...

Page 25: ...heck U17 1501 Pin5 control the voltage Check U17 1501 Pin2 is150MHz electric wave Check MCU U29 T5BS4 9999 1 Check the voltage is ok 2 Check reset is ok 3 Check Y4 27MHz 1 Check the voltage of U19 is...

Page 26: ...OSD Joint U24 again Joint U23 CX32 again Unusual picture Check the voltage volume Confirm cables to the panel Check the panel Check the software OK Replace L20 L21 Check if U17 U3 is too hot Check the...

Page 27: ...Check BLON control the electrocircuit Check if using the right voltage CN6 Check the cables to the panel Check if U4 4405 Pin4 using right voltage Check U4 control the electrocircuits Check if U3 Pin...

Page 28: ...8 Check speaker Confirm U6 msp3415 Pin26 Pin27 audio signal in put Replace AV8 Re joint R48 R49 Confirm U1 U2 4052 1 Right power supply 2 Right control Open the outer audio in put signal Replace speak...

Page 29: ...T1 Pin12 Check L7 L8 Check U14 and controlled circuit TV no sound picture ok Replace T1 Check if there is audio signal output inT1 Pin11P14 Confirm U6 msp3415 1 Power supply all right 2 Re position al...

Page 30: ...S Check electrocircuit of HS VS Lack of color in PC Check R274 R275 Check input of U23 RGB Auto adjust Unstable mode of PC PC abnormal PC no signal Check electrocircuit input of RGB Auto adjust PC pic...

Page 31: ...3 Re position all right 4 Time and steps of electrifying Check the electrocircuit of the input signal Check antenna input Check U11 9011 1 Power supply works 2 Crystal works 3 Re position all right Ch...

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