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DIGITAL PHOTO PRINTER
DPP-EX7
SERVICE MANUAL
Volume 1 1st Edition

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   Summary of Contents for Sony DPP-EX7

  • Page 1 DIGITAL PHOTO PRINTER DPP-EX7 SERVICE MANUAL Volume 1 1st Edition...
  • Page 2 Beim Einbau des Geräts ist daher im Festkabel ein leicht zugänglicher Unterbrecher einzufügen, oder das Netzkabel mu ß mit einer in der Nähe des Geräts befindlichen, leicht zugänglichen Wandsteckdose verbunden werden, damit sich bei einer Funktionsstörung die Stromversorgung zum Gerät jederzeit unterbrechen lä ß t. DPP-EX7 V1...
  • Page 3: Table Of Contents

    2-6. PCMCIA Ejector ..................2-7 2-7. Thermal Head ....................2-8 2-8. Paper Feed Frame Assembly ............... 2-8 2-9. Chassis Assembly ..................2-9 2-10. Stepping Motor .................... 2-9 2-11. E Capstan Roller ..................2-10 2-12. LCD Module ..................... 2-11 DPP-EX7 V1...
  • Page 4 LCD Contrast Check and Adjustment ............3-2 3-4. Density Adjustment for During Thermal Head Replacement ..... 3-2 4. Troubleshooting 4-1. Electrical Troubleshooting ................4-1 4-2. Error Display ....................4-2 4-3. Mechanical Troubleshooting ............... 4-5 4-4. Upgrade ....................... 4-7 DPP-EX7 V1...
  • Page 5: Manual Structure

    Manual Structure Purpose of this manual This manual is the service manual Vol. 1 of Digital Photo Printer DPP-EX7. This manual describes the information on maintenance and the service information such as parts replacement, service mode and troubleshooting. Related manuals In addition to this “Service Manual Vol.
  • Page 7: Service Information

    PR-45 board RM-45 board MD-45 board DK-45 board JD-45 board BVTP CN201 3x20 CN152 DK-45 board BVTP PW-45 board PE-45 board 3x20 TP-45 board 3. Attach the upper cabinet assembly in the reverse order of steps 1 to 2. DPP-EX7 V1...
  • Page 8: Lcd Sub Assembly

    LCD sub assembly in the direction indicated by the arrow. Hinge cover assembly LCD sub assembly Upper cabinet assembly LCD sub assembly PTTWH 2x5 Harness Spring (PR) BVTP 2.6x6 2.6x8 6. Attach the LCD sub assembly in the reverse order of steps 1 to 5. DPP-EX7 V1...
  • Page 9: Sensor Arrangement And Functional Description

    Reflection type x1 PH905 Ribbon in-sensor Detects the existence of a ribbon cassette. JD-45 board PH1020 JD-45 board (Side A) Ref. Name Type Function Reflection type x1 PH1020 Jamming dead sensor Detects the paper position. Detects the paper type. DPP-EX7 V1...
  • Page 10 PH1030 Paper edge sensor Detects the paper position. Detects the paper type. RM-45 board Q1040 RM-45 board (Side A) Ref. Name Type Function Q1040 Ribbon mark sensor Transmissive type Detects the mark of each ribbon color. (photo transistor) DPP-EX7 V1...
  • Page 11: Replacement Of Main Parts

    Lower DK shield case Solders BVTP 7. Install the DK-45 board in the reverse order of steps 1 2.6x8 BVTP to 6. 2.6x8 Upper DK 2.6x10 shield case CN251 CN255 CN252 DK-45 board CN253 BVTT PC/MS guide Ferrite holder 2.6x5 assembly DPP-EX7 V1...
  • Page 12: Board

    MD-45 board Harnesses Harnesses 4. Install the PW-45 board in the reverse order of steps 1 to 3. Harnesses Ferrite holder Flexible flat cables 6. Install the MD-45 board in the reverse order of steps 1 to 5. DPP-EX7 V1...
  • Page 13: Board

    4. Install the JD-45 board in the reverse order of steps 1 to 3. Paper feed frame assembly Harness Paper feed frame assembly Hook PE-45 board CN1030 7. Install the PE-45 board in the reverse order of steps 1 to 6. DPP-EX7 V1...
  • Page 14: Board

    5. Install the PR-45 board in the reverse order of steps 1 assembly to 4. Hook Harness CN1040 Hook RM-45 board Paper feed frame assembly Hook 10. Install the RM-45 board in the reverse order of steps 1 to 9. DPP-EX7 V1...
  • Page 15: Dc Fan

    CN903 CN1201 CN1202 PTP 2x5 CN1203 4. Attach the DC fan in the reverse order of steps 1 to 3. Flexible printed wiring boards 7. Install the TP-45 board in the reverse order of steps 1 to 6. DPP-EX7 V1...
  • Page 16: Paper Eject Guide Assembly

    Harness PUSH portion Front door 5. Attach the paper eject guide assembly in the reverse order of steps 1 to 4. Switching regulator 6. Attach the mechanical deck assembly in the reverse order of steps 1 to 5. DPP-EX7 V1...
  • Page 17: Switching Regulator

    DK-45 board Switching regulator BVTP 2.6x8 PCMCIA ejector 4. Attach the PCMCIA ejector in the reverse order of steps 1 to 3. Hook 6. Attach the switching regulator in the reverse order of steps 1 to 5. DPP-EX7 V1...
  • Page 18: Thermal Head

    Hooks Center shim Connector Paper feed frame assembly 10. Attach the thermal head in the reverse order of steps 1 to 9. 8. Attach the paper feed frame assembly in the reverse order of steps 1 to 7. DPP-EX7 V1...
  • Page 19: Chassis Assembly

    Chassis assembly Cassette guide Hinges 6. Attach the stepping motor in the reverse order of steps Ribbon door 1 to 5. 8. Attach the chassis assembly in the reverse order of steps 1 to 7. DPP-EX7 V1...
  • Page 20: E Capstan Roller

    8. Remove the stepping motor. (Refer to Section 2-10.) 9. Remove the four screws, then remove the E R pendulum transmission gear assembly. lever assembly E transmission gear assembly BVTT 2.6x5 Roller bearing Platen roller BVTT 2.6x5 2-10 DPP-EX7 V1...
  • Page 21: Lcd Module

    Hooks LCD rear cabinet PTP 2x5 Hooks Hook M 2x3 Roller E capstan roller bearing Hinge unit LCD front cabinet assembly 16. Attach the E capstan roller in the reverse order of steps 1 to 15. 2-11 DPP-EX7 V1...
  • Page 22 (CN1) on the LCD module. Flexible flat LCD module cable Inverter unit PTP 2x5 Harnes TP-45 board LCD front cabinet assembly Flexible printed wiring board 10. Attach the LCD module in the reverse order of steps 1 to 9. 2-12 DPP-EX7 V1...
  • Page 23: Service Mode

    1. Tap the <PANEL CALBRATE> icon on the menu. 2. Tap the center of a blue circle that appears on the LCD. 3. Repeat step 2 three times. 4. When you hear a beep sound, the adjustment is completed. DPP-EX7 V1...
  • Page 24: Lcd Contrast Check And Adjustment

    9. Tap the icon of the adjustment value (R1 to R8) corresponding to the resistance of the new thermal head according to the table below. - 7350 7071 - 7350 7351 - 7640 7641 - 7940 7941 - 8240 8241 - 8540 8541 - 8850 8851 - DPP-EX7 V1...
  • Page 25 Perform steps 7 to 10, then, in step 11, tap the one-level lighter icon (third from the top of the left column). To adjust to an even lighter level, repeat steps 7 to 10, then, in step 11, select an even lighter icon. DPP-EX7 V1...
  • Page 27: Troubleshooting

    . Confirm the liquid crystal displaying module, inverter unit and flexible flat cable. . Confirm “LCD CONTRAST” of the service mode. Trouble: Touch panel does not operate. Remedy: . Confirm touch panel. . Confirm the TP-45 board. . Confirm flexible wiring board between the LCD and the main unit. DPP-EX7 V1...
  • Page 28: Error Display

    3 Total number of printing performed sheets Current STATUS 00 : 00, 00 : 00, Last STATUS 00 : 00, 00 : 00, Err 1 00 : 00, 00 : 00, Err 2 00 : 00, 00 : 00, DPP-EX7 V1...
  • Page 29 3 Total number of printing performed sheets The status is displayed by hexadecimal digit. In DPP-EX7, the status obtained when the error occurs can be displayed to ten items. The ten errors show for the last occurred errors include a latest one. More than ten error statuses do not display whatever errors may occur up to ten items for the last.
  • Page 30 (!] part): 00FF (255 sheets) Total number of printing performed sheets (!\ part): 0103 (259 sheets) Best errors of all printed sheets contain to Err3 between Err1 to Err3. That is, Err3 means a latest error. DPP-EX7 V1...
  • Page 31: Mechanical Troubleshooting

    Remedy: . Replace the K (paper feed) frame assembly if the paper feed block is abnormal. The ribbon cassette is judged to be abnormal when no abnormality is detected in a paper feed block. Confirm the ribbon cassette. DPP-EX7 V1...
  • Page 32 As for the streak caused by the adhesion of foreign objects to the thermal head surface can be improved by cleaning the surface. Clean the surface using a cloth dampened with ethyl alcohol back and forth several times. When the trouble persists even after cleaning, replace other faulty parts that may cause the trouble. DPP-EX7 V1...
  • Page 33: Upgrade

    8. After the “Check Sum value” is displayed on the monitor screen, confirm that the value is the same as for a technical memo. The Check Sum is displayed in the lowest row of the menu screen of the service mode. DPP-EX7 V1...
  • Page 35 20 V AC range are suitable. (See Fig. A) To Exposed Metal Parts on Set 0.15 µ F 1.5 k Z voltmeter (5.25V) Earth Ground Fig A. Using an AC voltmeter to check AC leakage. DPP-EX7 V1...
  • Page 36 Printed in Japan Sony Corporation DPP-EX7 (UC, CE, KR) E 2002. 11 22 B&P Company 9-955-392-11 ©2002...

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