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texet TF-108 Service Manual

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Digital photo frame TF-108
Service manual
ZAO "Electronic Systems "ALKOTEL"

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Summary of Contents for texet TF-108

  • Page 1 Digital photo frame TF-108 Service manual ZAO “Electronic Systems “ALKOTEL”...

  • Page 2: Table Of Contents

    1. SPECIFCATIONS ......................... 3 2. ACCESSORIES LIST ........................3 3. LOCATION OF CONTROL ......................4 4. ELECTRICAL MAIN PARTS LIST....................5 5. MAIN IC BLOCK DIAGRAM......................9 5.1 AMLOGIC AML6213D PIN CONFGURATION ................ 9 5.2 SPANSION S29AL016D BLOCK DIAGRAM ................ 10 5.3 WINBOND W9864G6GH BLOCK DIAGRAM ...............

  • Page 3: Specifcations

    Max. Current : 1.2A Standby Current : 270mA Unit Power : 2. ACCESSORIES LIST 1 49-502-09001059 Adapter AC/DC KSAD0900150W1EU GS100~240V 9V/1.5A L1830mmφ5.5x2.1x10mm 90º KUANTECH 2 48-090-50282019 Remote Control Equipment TF-108 18 Key Model:JX-5088-1118 User Manual Warranty card - 3 -...

  • Page 4: Location Of Control

    3. LOCATION OF CONTROL 1. Four in one card slot (SD/MMC/MS/XD). 2. CF card slot. 3. Down. 4. Up. 5. Right. 6. Left. 7. Return. 8. Menu 9. Play/Enter 10. IR Receive 11. USB Host. 12. Earphone. 13. USB Slave. 14.

  • Page 5: Electrical Main Parts List

    4. ELECTRICAL MAIN PARTS LIST - 5 -...
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  • Page 9: Main Ic Block Diagram

    5. MAIN IC BLOCK DIAGRAM 5.1 AMLOGIC AML6213D PIN CONFGURATION - 9 -...

  • Page 10: Spansion S29Al016D Block Diagram

    5.2 SPANSION S29AL016D BLOCK DIAGRAM - 10 -...

  • Page 11: Winbond W9864G6Gh Block Diagram

    5.3 WINBOND W9864G6GH BLOCK DIAGRAM - 11 -...

  • Page 12: Transistor Illustration

    6. TRANSISTOR ILLUSTRATION 6.1 MMBT3904/ MMBT3906/ 2SD8050 SOT-23 6.2 BAT54C SOT-23 BAT54C 6.3 BAT54S SOT-23 K1,A2 BAT54S 6.4 RCR1521 SOT-23 RCR1521 - 12 -...

  • Page 13: Display Panel

    7. DISPLAY PANEL General Specifications Display Screen TFT-LCD PANEL 8 inch(Diagonal) LCD Size 162(W)X121.5(H) mm Active Area 183(W)X141(H)X6.3(D) mm Module Size 800X3(RGB)X600 Resolution 250 cd/m 2 Brightness Contrast 500:1 Values Symbol Condition θL Φ=180°(9 o’clock) 60º 70º Viewing Angle θR Φ=0°(3 o’clock) 60º...

  • Page 14: Mechanical Drawing

    Mechanical Drawing - 14 -...

  • Page 15: Pin Assignment

    Pin Assignment Pin No. Symbol Function Remark Polarity selection STVD Vertical start pulse input when U/D= H Output enable Vertical clock STVU Vertical start pulse input when U/D= L Power ground EDGSL Select rising edge or falling edge Power supply for digital circuit Gamma voltage level 9 Gate OFF voltage Gamma voltage level 2...
  • Page 16 Gamma voltage level 3 Power ground Red data(MSB) Red data Red data Red data Red data Red data(LSB) Power ground Power ground Green data(MSB) Green data Green data Green data Green data Green data(LSB) STHL Horizontal start pulse input when R/L = L Control signal are inverted or not Power ground DCLK...
  • Page 17 Blue data Blue data Blue data Blue data (LSB) Right/ left selection Gamma voltage level 1 Gamma voltage level 4 Gamma voltage level 7 Gamma voltage level 10 Gamma voltage level 12 Gamma voltage level 13 AVDD Power supply for analog circuit Power ground VCOM Common voltage...

  • Page 18: Schematic Diagram

    8. SCHEMATIC DIAGRAM - 18 -...
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  • Page 28: Mechanical Explosive View & Main Parts List

    9. MECHANICAL EXPLOSIVE VIEW & MAIN PARTS LIST - 28 -...

  • Page 29: Disassembly & Assembly Procedure

    10. DISASSEMBLY & ASSEMBLY PROCEDURE - 29 -...

  • Page 30: Trouble Shooting

    11. TROUBLE SHOOTING 1.2V 3.3V - 30 -...
  • Page 31 5V PWM at D4. LCD Backlight PWM at D11. System Crystal waveform LCD Basic PWM at D13 LCD CKV at RP18 LCD CLK at R192 SD Card CLK at R98 RTC CLK at C40 SDRAM CLK at R53 - 31 -...
  • Page 32 Example: No Power Check circuit short Check U1,SW1 Check main power Check U1,L4,D4,R37, Check U2,L2, Check system power 3.3V Check core power Check D2,D3 1.2V U3,R93,L3 Check LCD Check FB26,L9, backlight 10V D11,U16,R184 - 32 -...

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