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Summary of Contents for BBK LD1534SU
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Page 1: Table Of Contents
SERVICE MANUAL MODEL :LD1534SU CONTENTS SAFETY PRECAUTION SPECIFICATION BLOCK DIAGRAM CIRCUIT DIAGRAM FACTORY MODE&ADJUSTMENT UPGRADE SOFTWAR TROUBLE SHOOTING EXPLODED DIAGRAM APPENDIX... -
Page 3: Specification
Specification TV System PAL BG/DK/ I SECAM BG/DK/L/L’ Channel 48.25~865.25 MHz Coverage Picture I.F. 38.90MHz BG,DK,I Intermediate 33.40 (BG) Frequencies Sound I.F. 32.40MHz(DK,L) 32.90MHz(I) Tuning System FS With PLL Tuner Band Full Band Reception Auto Channel Scanning Number Of Preset Channels Antenna 75 Ohm Unbalanced Impedance... - Page 4 DVD/CD/VCD/CDR/CDRW/DVD-R/DVD+R/ Disc Format DVD-RW/DVD+RW/SVCD MP3/WMA/JPEG/MPEG-1/MPEG-2/MPEG-4 Multimedia Format DIVX3.XX-DIVX5.XX Output Power (1 KHz 10% THD ) NICAM / STEREO Bass Audio Treble Balance Russian , English OSD Language Brand Model M156B1-L02 Size 15.6” LCD Panel Backlight CCFLx 2 For Reference Pixel Pitch 0.252mm (H) x 0.252mm(V) Horizontal (dots) 1366...
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Page 5: Block Diagram
Block Diagram AC Power Supply Tuner 2-IN-1 Power Supply Board(AC/DC) Antenna Power manage 3.3V DC/DC & LDO 1.2V SCART RGB/AV TSUMV26KE 30PIN 2.0mm Decoder,SCALER,ADC,A LVDS jack LCD Panel udio/Video Decoder Audio TDA1517 HDMI Amplifier Speaker Board Headp Headphone EEPROM hone serial jack (option) -
Page 6: Circuit Diagram
CIRCUIT DIAGRAM MAIN BOARD SCHEMATICS-1 DC-DC Module small size POWER INPUT 5V for tuner +12V_IN 8.2K AMS1117-ADJ 4P2.0 SW_12V 90mA AGND 0.1UF TU_5V R341 AGND 68R/2W STB_5V 100K SS8050 0.01UF COMP 680R SB_3.3V DL1215/22uH +12V_IN STB_5V Max:350mA 3300PF CA26 CA10 47uF/16V 100uF/16V 0.1UF... - Page 7 CIRCUIT DIAGRAM MAIN BOARD SCHEMATICS-2 SB_3.3V Reset CA20 BAV99 10uF/16V 4.7K CL=20pf of XTAL 220R C109 22pF 100R SYS_RST HWRESET C112 1000pF C110 22pF LVDS CONNECTOR INTERFACE C154 C155 C156 C157 C158 C159 C160 C161 C134 C145 111 DDCDB_CK PANEL TXCLK- TXCLK- SCL_HD...
- Page 8 CIRCUIT DIAGRAM MAIN BOARD SCHEMATICS-3 RE28 SC_VIN# R166 SW_5V AV-CVBS C239 220pF CVBS1 C226 HD_R HD_L VOUT 2SC1815 C227 220pF RE29 SC-FB VS_RGB AV3-8.4-14/PB VOUT AGND 2SC1815 R225 4.7k FSW# 2SC1815 VGA_VS SC-FB R173 SCART:100pF /AV:0R R174 C238 47nF R159 DRIN DVD_R R148...
- Page 9 CIRCUIT DIAGRAM MAIN BOARD SCHEMATICS-4 Layout placement layout placement Close to Mstar IC Close to Tuner TDQ-6PD/T12B6CWADC & AFT7/W102G VIF_12V use for two standard audio system. PIN2 Connected to PIN1 for PAL BG/DK/I,SECAM L IF-AGC PIN2 Connected to GND for L'. I2C_SCL SW_12V 10nF...
- Page 10 CIRCUIT DIAGRAM IR BOARD SCHEMATICS TV KEY BOARD SCHEMATICS DVD KEY BOARD SCHEMATICS...
- Page 11 INTERFACE DEFINITION AND PIN FUNCTION J15: Power Switch Button NO. Definition Description Ground SW_12V Enable NO Connect NO Connect SW_5V Enable Ground J9: Inverter jack(6P 2.0mm) NO. Definition Description Power Supply Power Supply Black-Light ON/OFF Control Brightness Adjustment Ground Ground CON16: Speaker jack(4P 2.54mm) NO.
- Page 12 CN4: DVD Y/C Signal jack(4P 2.0mm) NO. Definition Description DVD_C DVD Signal C Ground DVD_Y DVD Signal C Ground J1: DVD Power jack(5P 2.0mm) NO. Definition Description DVD 5V Power Supply DVD 5V Power Supply Ground Ground 12V/MGND DVD 12V Power Supply/ motor Ground CN6: IR&LED jack(5P 2.0mm) NO.
- Page 13 CN3: LVDS Jack(2 15P 2.0mm) NO. Definition Description LCD-VDD Power for Panel LCD-VDD Power for Panel LCD-VDD Power for Panel NO Connect Ground Ground Ground Ground EDA3+ LVDS EVEN3+ Signal EDA3- LVDS EVEN3+ Signal ECK+ LVDS EVEN Clock + Signal ECK- LVDS EVEN Clock - Signal EDA2+...
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Page 14: Factory Mode&Adjustment
FACTORY MODE AND ADJUSTMENT 1) How to enter service mode Press “Source” button on the remote control, then press”2580”, the service menu will be displayed. Press “2580” Source... - Page 15 2) Service mode description Color Temp: select a color temperature mode that you want to adjust; R Gain: red gain for white balance adjusting; G Gain: green gain for white balance adjusting; B Gain: blue gain for white balance adjusting; R Offset: red offset for white balance adjusting;...
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Page 16: Upgrade Softwar
UPGRADE SOFTWAR 1) Open the update tools--Mstar ISP Utility 2) Click “Device” button and double click select correctly type(For TSUMV26 chassis select Pm25LV040 normally) 3) Click “Config” button and click “Auto Detect” button confirm that the PC and ISP tool connect properly. - Page 17 5) Click “Auto” button and remove the marker of “Blank” and “Verify” items. Then click “Run”, after several seconds the update process will be finish.
- Page 18 DVD Software upgrade 1 Please rename the upgrading file to “MTK1389FE.BIN”. and download it to a USB device 2) Enter DVD source and insert USB device to TV set. 3)Press “DVD USB CARD” button, Will shown a dialog box as below. button on remote control, Will shown a dialog box as below, 4) Press Please wait a few minutes(about 5 minutes) ,then DVD will restart auto .
- Page 19 4) After TV restart, Enter DVD setup menu in order to check the version number. 5) Press “9” “2” “1” “0” button serially, You will see DVD factory menu. A dialog box will be showed as below. Marked with red circle is the version number.
- Page 27 DVD fault Finding and Trouble Shooting...
- Page 28 EXPLODED VIEW...
- Page 29 Block Diagram...
- Page 30 Interface Description marked with is optional *1 CN10 Extended USB interface *8 CN7 Karaoke sub board interface 2(CN8) DVD Detection signal interface 9 CN9 DVD KEY interface 3 CN21 DVD Video and control signal interface *10(CN25) USB,CARD reader extended interface 4 CN2 Loading disk control *11(J1)
- Page 31 Interface define Extended USB interface Define Description GPIO USB channel control 0V Reference USB+ Extended USB+ input USB- Extended USB- input 5V power supply DVD Detection signal interface Define Description TROUT Ejecting finish signal detection signal DISCEJT Disk detection signal 0V Reference DVD Video and control signal interface Define...
- Page 32 Loading disk control Define Description 0V Reference TRIN Disk loading completed signal Feed motor input Feed motor input Power supply Define Description 5V Input 5V Input 0V Reference 0V Reference 0V Reference Read disk interface Define Description LOAD+ Loading motor + input LOAD- Loading motor - input 0V Reference...
- Page 33 DVD key interface Define Description Key 1 0V Reference key2 Assembly Instruction Picture DVD power supply, Connect to main board DVD signal output, Connect to main board...
- Page 34 2-IN-1 Power Supply Board Specification Power Supply Overview: Input Electrical Characteristics Overview Output Voltage ,Current & Regulation. Output Voltage Regulation Min. current Rated current Peak current 1.2A +12V 0.3A 0.8A 0.1A 2.2A...
- Page 35 Output Ripple & Noise. Output Voltage Ripple & Noise (Max.) +12V 120mVp-p@25 300mVp-p@-10 100mVp-p@25 150mVp-p@-10 Note: 1) Measurements shall be made with an oscilloscope with 20MHz bandwidth. 2) Outputs shall be bypassed at the connector with a 0.1uF ceramic capacitor and a 10uF electrolytic capacitor to simulate system loading.
- Page 36 Power Supply Mounting...
- Page 37 Inverter section General Description This DC-AC lnverter was developed for CCFL lamps of LCD back lighting system. Suitable load High performance low consumption Lower temperature raising Open lamp protection Wide Dimming Range Lamp Current Balance Control Absoluie Maximum Rating Lf Environment Temperature operating Temperature storage Humidity operating...
- Page 38 Output Electrical Characteristics Parameter Test Conditions Symbol MIN TYPE MAX Unit maximun Output voltage Vout Vrms brightness Output current Brightness Lout Maximnu Frequency brightenss Maximun Efficiency brightenss Open lamp No Load, protection time Open lamp No Load, Kvmax voltage Inverter topview...
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