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Sanyo DP42545 Service Manual

Remote control plasma color television.
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SERVICE MANUAL
Contents
Safety Instructions . . . . . . . . . . . . . . . . . . 2
Service Adjustments . . . . . . . . . . . . 3 - 12
Power Failure Circuit . . . . . . . . . . . . . . . 13
Mechanical Disassemblies . . . . . . . 14 - 19
Chassis Electrical Parts List . . . . . . 20 - 34
Cabinet Parts List . . . . . . . . . . . . . . . . . . 35
Locations . . . . . . . . . . . . . . . . . . . 36 - 40
Block Diagrams . . . . . . . . . . . . . . . . 41 - 50
Control Port Functions . . . . . . . . . . 54 - 55
Schematic Notes . . . . . . . . . . . . . . . . . . . 57
Pin Layouts. . . . . . . . . . . . . . . . . . . . . . . . 57
Capacitor and Resistor Codes . . . . . . . . 57
Board Connections . . . . . . . . . . . . . 58 - 60
Schematic Diagrams . . . . . . . . . . . . 61 - 72
DP42545, J3TR, PRODUCT CODE 111008200
Remote Control Plasma
Color Television
Specifications
Power Rating . . . . . . . . . . . . . . . . . . . . . . . . 120VAC
Antenna Input Impedance . . . . . . . . . . . . . . . . . 75
Receiving Channel . . . . . . . . . . . . . . . . 2 - 13 (VHF),
Remote Ready . . . . . . . . . . 32 Key Remote Control
Sound Output . . . . . . . . . . . . . . . . . . . . . . 5.0 W/CH
Intermediate Frequency
Picture IF Carrier . . . . . . . . . . . . . . . . . . 45.75MHz
Sound IF Carrier . . . . . . . . . . . . . . . . . . 41.25MHz
Color Sub Carrier . . . . . . . . . . . . . . . . . 42.17MHz
Cabinet Dimensions
Width . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1206mm
Height . . . . . . . . . . . . . . . . . . . . . . . . . . . . 716mm
Depth including base . . . . . . . . . . . . . . . . 249mm
AS
FILE NO.
DP42545
(U.S.A.)
(CANADA)
ORIGINAL VERSION
Chassis No. 42545-00
NOTE: Match the Chassis No. on
the unit's back cover with
the Chassis No. in the
Service Manual.
If the Original Version
Service Manual Chassis
No. does not match the
unit's, additional Service
Literature is required. You
must refer to "Notices" to the
Original Service Manual
prior to servicing the unit.
300W, 3.5A (Max)
UHF/VHF/CATV
14 - 69 (UHF),
01, 14-94, 95-125 (CATV)
1-99 (Digital)
SM
REFERENCE No.
Digital
780103

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   Summary of Contents for Sanyo DP42545

  • Page 1: Table Of Contents

    Board Connections ... . . 58 – 60 Schematic Diagrams ... . 61 – 72 DP42545, J3TR, PRODUCT CODE 111008200 Remote Control Plasma...

  • Page 2: Safety Instructions

    SAFETY PRECAUTIONS WARNING: The chassis of this receiver has a floating ground with the potential of one half the AC line voltage in respect to earth ground. Service should not be attempted by anyone not familiar with the precautions necessary when working on this type of equipment.

  • Page 3: Service Adjustments

    GENERAL This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the ser- vice adjustments. ON-SCREEN SERVICE MENU SYSTEM 1. Enter the Service Menu: While pressing the Volume (–) button on the televi- sion, press the Number Key 1 on the remote control unit.

  • Page 4

    ON-SCREEN SERVICE MENU Name CVBS/S_W/B__R Drive CVBS/S_W/B__G Drive CVBS/S_W/B__B Drive CVBS/S_B/B__R Cutoff CVBS/S_B/B__G Cutoff CVBS/S_B/B__B Cutoff RF_W/B__R Drive RF_W/B__G Drive RF_W/B__B Drive RF_B/B__R Cutoff RF_B/B__G Cutoff RF_B/B__B Cutoff D1/D2_W/B__R Drive D1/D2_W/B__G Drive D1/D2_W/B__B Drive D1/D2_B/B__R Cutoff D1/D2_B/B__G Cutoff D1/D2_B/B__B Cutoff D3/D4_W/B__R Drive D3/D4_W/B__G Drive D3/D4_W/B__B Drive...

  • Page 5

    Name Sub Image_CVBS/S_V_Coring Sub Image_CVBS/S_V_Pairing Sub Image_CVBS/S_V_Vlinsw Sub Image_CVBS/S_3DYCSh Sub Image_CVBS/S_Filter_1 Sub Image_CVBS/S_Filter_2 Sub Image_RF_Contrast Sub Image_RF_Bright Sub Image_RF_Color Sub Image_RF_Tint Sub Image_RF_H_Sharp Sub Image_RF_Sub_Sharp Sub Image_RF_H_Detail Sub Image_RF_H_Shoot Sub Image_RF_H_Coring Sub Image_RF_H_PeakF Sub Image_RF_V_Sharp Sub Image_RF_V_Coring Sub Image_RF_V_Pairing Sub Image_RF_V_Vlinsw Sub Image_RF_3DYCSh Sub Image_RF_Filter_1 Sub Image_RF_Filter_2...

  • Page 6

    Name Sub Image_D2_V_Pairing Sub Image_D2_V_Vlinsw Sub Image_D2_Filter_1 Sub Image_D2_Filter_2 Sub Image_D3_Contrast Sub Image_D3_Bright Sub Image_D3_Color Sub Image_D3_Tint Sub Image_D3_H_Sharp Sub Image_D3_Sub_Sharp Sub Image_D3_H_Detail Sub Image_D3_H_Shoot Sub Image_D3_H_Coring Sub Image_D3_H_PeakF Sub Image_D3_V_Sharp Sub Image_D3_V_Coring Sub Image_D3_V_Pairing Sub Image_D3_V_Vlinsw Sub Image_D3_Filter_1 Sub Image_D3_Filter_2 Sub Image_D4_Contrast Sub Image_D4_Bright Sub Image_D4_Color...

  • Page 7

    Name Sub Image_Digital_Filter_2 Step_Contrast Step_Bright Step_Color Step_Tint Step_Sharp StaticGamma_Selg1stc StaticGamma_Selg2stc B/S_CVBS/S/D1/D2_Start B/S_CVBS/S/D1/D2_Bapl B/S_CVBS/S/D1/D2_Area B/S_CVBS/S/D1/D2_Bpgstp2 B/S_CVBS/S/D1/D2_Bpgstp1 B/S_CVBS/S/D1/D2_Areadet B/S_CVBS/S/D1/D2_Detlevel Black Stretch_D3/D4_Start Black Stretch_D3/D4_Bapl Black Stretch_D3/D4_Area Black Stretch_D3/D4_Bpgstp2 Black Stretch_D3/D4_Bpgstp1 Black Stretch_D3/D4_Areadet Black Stretch_D3/D4_Detlevel Black Stretch_Digital_Start Black Stretch_Digital_Bapl Black Stretch_Digital_Area Black Stretch_Digital_Bpgstp2 Black Stretch_Digital_Bpgstp1 Black Stretch_Digital_Areadet Black Stretch_Digital_Detlevel Black Level Con_Blvcgain...

  • Page 8

    Name CTI_Cselfil CTI_Cselfil CTI_Selccoa CTI_Selclim N/H_ON CVBS/S_Venhslice N/H_ON CVBS/S_Noise Gain N/H_ON CVBS/S_Sharpdown N/H_OFF CVBS/S_Venhslice N/H_OFF CVBS/S_Noise Gain OFFSET_CR OUT_D1 OFFSET_CB OUT_D1 OFFSET_CR IN_D1 OFFSET_CB IN_D1 OFFSET_CR OUT_D2 OFFSET_CB OUT_D2 OFFSET_CR IN_D2 OFFSET_CB IN_D2 OFFSET_CR OUT_Digital OFFSET_CB OUT_Digital OFFSET_CR IN_Digital OFFSET_CB IN_Digital Image Menu_Sports_Contrast Image Menu_Sports_Bright Image Menu_Sports_Color...

  • Page 9

    Name PLL Cont_RF_SEPA LVL PLL Cont_RF_HD AMP1 PLL Cont_RF_HD GAIN1 PLL Cont_RF_HD AMP2 PLL Cont_RF_HD GAIN2 PLL Cont_RF_HD AMP3 PLL Cont_RF_HD GAIN3 PLL Cont_AV_SEPA LVL PLL Cont_AV_HD AMP1 PLL Cont_AV_HD GAIN1 PLL Cont_AV_HD AMP2 PLL Cont_AV_HD GAIN2 PLL Cont_AV_HD AMP3 PLL Cont_AV_HD GAIN3 PLL Cont_D1/D2_SEPA LVL PLL Cont_D1/D2_HD AMP1...

  • Page 10

    Name SRT_Digital Clock Polarity Rotation_Minute ROM Correction_Number 01 ROM Correction_Number 02 D-Clamp_D1 D-Clamp_D1 Power ON_Enable Time AD9985_Phase_D2 AD9985_Phase_D3 AD9985_Phase_D4 AD9985_Gain_D2-R AD9985_Gain_D2-G AD9985_Gain_D2-B AD9985_Gain_D3-R AD9985_Gain_D3-G AD9985_Gain_D3-B AD9985_Gain_D4-R AD9985_Gain_D4-G AD9985_Gain_D4-B AD9985_Offset_D2-R AD9985_Offset_D2-G AD9985_Offset_D2-B AD9985_Offset_D3-R AD9985_Offset_D3-G AD9985_Offset_D3-B AD9985_Offset_D4-R AD9985_Offset_D4-G AD9985_Offset_D4-B AD9985_Clamp Placement_D2 AD9985_Clamp Placement_D3 AD9985_Clamp Placement_D4 AD9985_Clamp Duration_D2 AD9985_Clamp Duration_D3...

  • Page 11

    Name TA1318_FAN Td TA1318_FAN Te TA1318_FAN Tf TA1318_Power Error OSD H-POS Color Temp_Warm_Color Color Temp_Warm_Tint Color Temp_Cool_Color Color Temp_Cool_Tint SIDE BAR_APL_Auto Ratio SIDE BAR_APL_Auto Max Other_D2_Phase Adjust DM_DM WDT – – Aging_Pattern Select GAM SEL_CVBS/S_Gamma Table GAM SEL_RF_Gamma Table GAM SEL_D1_Gamma Table GAM SEL_D2_Gamma Table GAM SEL_D3_Gamma Table GAM SEL_D4_Gamma Table...

  • Page 12

    SERVICE ADJUSTMENTS WHITE BALANCE ADJUSTMENT Composite (External Video Input) 1. Connect a color-bar generator to the external (composite) video input terminal. 2. Switch the generator to the white pattern. 3. Set the television to following conditions: Picture: SPORTS Color Enhancer: Normal Picture Size: Full...

  • Page 13: Power Failure Circuit

    The CPU (IC801) is programmed so the set will go to the standby mode when there is a circuit failure as described below. (Refer to”Power Supply Lines” page 38.) 1. Power Failure 1: Detected voltage failure for analog circuit. (Connected to IC801 pin 52.) (Normal: High, Failure: Low) 2.

  • Page 14: Mechanical Disassembly

    MECHANICAL DISASSEMBLY BACK CABINET REMOVAL – SIDES Remove 24 screws to take the side cabinets off. (A:3X8, 6pcs; B:4X12, 18pcs) SERVICE DIGITAL DIGITAL UHF/VHF/CATV AUDIO ANTENNA IN OUTPUT BACK CABINET REMOVAL– CENTER Remove 32 screws to take the back cabinet off. (C:3X8, 11pcs;...

  • Page 15

    1: Main Board 2: D-TU (Digital) Board 3: Filter Board 1: MAIN BOARD REMOVAL Remove 4 screws (3X8) to take the main board with the shield case (assembly parts) off. 2: D-TU BOARD REMOVAL Remove 3 screws (3X8) to take the D-TU (digital) board with the shield case (assembly parts) off.

  • Page 16

    MECHANICAL DISASSEMBLY (CONT.) Position TV face down on a padded or cushioned surface to protect the screen and finish. Remove 2 screws (6X18) from each foot and remove. FILTER GLASS REMOVAL 1. Remove the key switch board. 2. Disconnect the following socket connections. Control Board ~ Main Board: Speakers ~ Main Board: 3.

  • Page 17

    4. Remove 20 screws (G:3X8) to take the filter glass and upper plates off. FRONT CABINET REMOVAL 1. Remove 18 screws (F:4X12) to take the filter glass with upper and lower plates (assembly parts) off. 2. Remove the speakers. 3. Remove a screw (4X10) to take the control board and holder off. —...

  • Page 18

    MECHANICAL DISASSEMBLY (CONT.) PANEL MODULE REMOVAL 1. Remove the key switch board. 2. Disconnect the following socket connections. Main Board ~ Power Unit: D-TU Board ~ Power Unit: Filter Board ~ Power Unit: Control Board ~ Main Board: Speakers ~ Main Board: PDP Module ~ Main Board: 3.

  • Page 19

    POWER UNIT REMOVAL Remove 9 screws to take the power unit off. This PDP TV uses several different kinds of screws. Using the correct screw is required to prevent damage The gasket is provided to prevent interference to other radio and television receivers. The gasket should be returned to its previous posi- tion after servicing.

  • Page 20: Chassis Electrical Parts List

    CHASSIS ELECTRICAL PARTS LIST CAUTION: To Protect against electrical shock and for continued product safety, refer to SAFETY PRECAUTIONS, and PRODUCT SAFETY NOTICE on Page 2. PRODUCT SAFETY SHOULD BE CONSIDERED WHEN A REPLACEMENT IS MADE IN ANY AREA OF A RECEIVER. COMPONENTS INDICATED BY A STAR ( ) IN THIS PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY CAN BE OF SPECIAL SIGNIFICANCE.

  • Page 21

    Schematic Part No. Location MISCELLANEOUS DIGITAL PC BOARD MAIN PC BOARD CAPACITORS Schematic Description Location — 21 — Part No. Description...

  • Page 22

    Schematic Part No. Location Schematic Description Location — 22 — Part No. Description...

  • Page 23

    Schematic Part No. Location Schematic Description Location — 23 — Part No. Description...

  • Page 24

    Schematic Part No. Location Schematic Description Location — 24 — Part No. Description DIODES INTEGRATED CIRCUITS...

  • Page 25

    Schematic Part No. Location COILS Schematic Description Location — 25 — Part No. Description TRANSISTORS...

  • Page 26

    Schematic Part No. Location Schematic Description Location — 26 — Part No. Description...

  • Page 27

    Schematic Part No. Location Schematic Description Location — 27 — Part No. Description...

  • Page 28

    Schematic Part No. Location Schematic Description Location — 28 — Part No. Description...

  • Page 29

    Schematic Part No. Location RESISTORS Schematic Description Location — 29 — Part No. Description...

  • Page 30

    Schematic Part No. Location Schematic Description Location — 30 — Part No. Description...

  • Page 31

    Schematic Part No. Location Schematic Description Location — 31 — Part No. Description...

  • Page 32

    Schematic Part No. Location Schematic Description Location — 32 — Part No. Description...

  • Page 33

    Schematic Part No. Location Schematic Description Location — 33 — Part No. Description SURGE-ABSORBERS CRYSTAL/FILTERS...

  • Page 34

    Schematic Part No. Location MISCELLANEOUS FILTER PC BOARD CAPACITORS RESISTORS MISCELLANEOUS CONTROL PC BOARD CAPACITORS RESISTORS Schematic Description Location — 34 — Part No. Description MISCELLANEOUS KEY PC BOARD RESISTORS SWITCHES MISCELLANEOUS...

  • Page 35: Cabinet Parts List

    CABINET PARTS LIST P O W CABINET PARTS LIST ACCESSORY PARTS LIST KEY NO. PARTS NO. DESCRIPTION KEY NO. PARTS NO. DESCRIPTION — 35 —...

  • Page 36: Component And Testpoint Locations

    COMPONENT AND TESTPOINT LOCATIONS MAIN BOARD PARTS SIDE — 36 —...

  • Page 37

    — 37 —...

  • Page 38

    COMPONENT AND TESTPOINT LOCATIONS (Cont.) MAIN BOARD FOIL SIDE — 38 —...

  • Page 39

    — 39 —...

  • Page 40

    COMPONENT AND TESTPOINT LOCATIONS (Cont.) CONTROL BOARD PART SIDE KEY BOARD PART SIDE KEY BOARD FOIL SIDE FILTER BOARD PARTS SIDE FILTER BOARD FOIL SIDE CONTROL BOARD FOIL SIDE — 40 —...

  • Page 41

    BLOCK DIAGRAM DATA BUS LINES IC801 DM OUT DM SOUT DM SIN Serial Line DM SCLK BUSY SCL1 IC803 IIC Bus SW SDA1 IC804 EEPROM 24CL16BT SCL2 (3.3V) SDA2 IC2001 Decoder TC90288XBG SCL3 (5V) SDA3 A201 Tuner/IF/MTS F1FAM0152 IC805 Factory PC Flash-Writing IC301 IC4101...

  • Page 42

    BLOCK DIAGRAM POWER LINES — 42 —...

  • Page 43: Block Diagrams

    BLOCK DIAGRAM SIGNAL LINES Audio — 43 —...

  • Page 44

    BLOCK DIAGRAM SIGNAL LINES (Cont.) Video — 44 —...

  • Page 45

    IC BLOCK DIAGRAMS Digital Decoder (IC2001) — 45 —...

  • Page 46

    IC BLOCK DIAGRAMS (Cont.) D/A Converter (IC004) De-emphasis Serial Interface Interpolation Multibit Filter Modulator Interpolation Multibit Filter Modulator — 46 — Switched Capacitor DAC and Filter Switched Capacitor DAC and Filter Internal Voltage Reference...

  • Page 47

    Scan Converter (IC301) — 47 —...

  • Page 48

    IC BLOCK DIAGRAMS (Cont.) LVDS Transmitter (IC7001) CMOS /T TL IN PU TS TA 0-6 TB 0-6 TC0 -6 TD 0-6 TRANSMITTER CLOCK IN (20 to 85MHz) R/ F /PDWN THC63LVDM83R PL L — 48 — DATA (LVDS) TA + /- TB +/ - TC +/ - TD + /-...

  • Page 49

    A/D Converter (IC4101) — 49 —...

  • Page 50

    IC BLOCK DIAGRAMS (Cont.) Audio AMP (IC101) — 50 —...

  • Page 51: Troubleshooting Flow Charts

    TROUBLESHOOTING FLOW CHARTS NO POWER — 51 —...

  • Page 52

    TROUBLESHOOTING FLOW CHARTS (Cont.) NO AUDIO All Modes ? D-TU Digital Tuner Input Is there Check: signal at speaker Speaker (SP901, SP902) terminal ? Check: there signal at IC001 21pin (L) or 10pin (R) ? Check: Video 1, Component 2, Component 3, (Analog) Tuner, or Audio Out Check:...

  • Page 53

    NO VIDEO All Modes? Check: Line: IC2001 - IC301 - IC7001 - PDP Panel Parts: Around IC2001 (Digital Decoder),IC301 (Scan Converter),IC7001 (LVDS Interface),PDP Panel (Analog) TV only Check: Line: Video 1 only IC1201 1pin (Composite Video: CV), 9pin (S-Input: Y), Q2104/Q2103 - IC2001 163pin (S-Input: C) Parts: Around Q2103, Q2104 Check:...

  • Page 54: Control Port Functions

    CONTROL PORT FUNCTIONS System Control (CPU : IC801) — 54 —...

  • Page 55

    — 55 —...

  • Page 56

    For parts or service contact SANYO Fisher Service Corporation 21605 Plummer Street Chatsworth, CA 91311 (U.S.A.) 300 Applewood Crescent, Concord, Ontario L4K 5C7 (CANADA) March / 2005 / 2000 SMC Printed in U.S.A. — 56 —...

  • Page 57: Schematic Diagrams

    MODEL DP42545 Chassis No. 42545-00 SCHEMATIC DIAGRAMS NOTES ON SCHEMATIC DIAGRAMS 1. All resistance values in ohms K=1,000 M=1,000,000. 2. Unless otherwise noted on schematic, all capacitor values less than 1 are expressed in µF (Micro Farad), and the values more than 1 are in pF.

  • Page 58

    MODEL DP42545 Chassis No. 42545-00...

  • Page 59

    MODEL DP42545 Chassis No. 42545-00...

  • Page 60

    MODEL DP42545 Chassis No. 42545-00...

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