1. Manuals
  2. Brands
  3. XOCECO Manuals
  4. TV
  5. PH-42R6
  6. Service manual

XOCECO PH-42R6 Service Manual

Pdp television
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
PDP TELEVISION
PH-42R6
Canada

Advertisement

Table of Contents
loading

Related Manuals for XOCECO PH-42R6

Summary of Contents for XOCECO PH-42R6

  • Page 1 PDP TELEVISION PH-42R6 Canada...

  • Page 2: Table Of Contents

    CONTENTS Safety precautions………………………………………………………………………..… Alignment instructions …………………………….…….……………………………….… Working principle analysis of the unit……………………………….………….…………. Block diagram…………………………………..………………………………….………… IC block diagram………………………………………………………………………..…… Wiring diagram ……………………………………………………………..……………... Troubleshooting………………………………………………………………………..…… Schematic diagram ………………………………………………………………………… APPENDIX-A: Main assembly list APPENDIX-B: Exploded view...

  • Page 3: Safety Precautions

    Note: This maintenance manual is intended only for the reference of the maintenance people. Please pay attention to the following points before carrying out the maintenance work. Safety precautions Please read the “Points for attention for the Maintenance & Repair of PDP” and “Criterion for Identifying the Defects on Screen”...
  • Page 4 static electricity. During maintenance operation be sure to cover yourself with anti-static bag and before operation make sure to have it sufficiently grounded. 1.11 There are a big number of connection wires distributed around the screen. Please take care not to touch or scuff them during maintenance or removing the screen, because once they are damaged the screen will fail to work and it’s not possible to repair it.

  • Page 5: Alignment Instructions

    become a potential safety trouble. 1.22 In addition to plasma screen, the glass is a part of high value. It has such functions as anti-radiation, adjustment of color temperature etc. Please handle it carefully. Alignment instructions 1. Test equipment VG-848 (Signal generator) CA100 (White balancer) 2.
  • Page 6 Check accessories and then packing Fig-1 adjustment flow-chart 3. The unit adjustment Connect all the boards according the wiring diagram, turn on the power and check if the display is normal. 3.1 The method of entering factory menu Enter factory menu method: press the INPUT→ 2→ 5→8→0 buttons one by one on the remote control to factory menu.
  • Page 7 signal, press auto-adjust button to all screen or adjust PC settings menu to auto correction. Separate auto adjust for TIME885 (640x480/60Hz) and TIME854 (800x600/60Hz). 3.4.2 VGA channel auto color adjustment Input the VG-848 TIME854(800x600/60Hz) and PATTERN920(GRAY 8 STEP(H)), enter the factory menu1, select the AUTO COLOR after, press the VOL+ button to select AUTO COLOR.

  • Page 8: Working Principle Analysis Of The Unit

    Working principle analysis of the unit The RF1 via integrative tuner TUNER1 after, the FBAS VIDEO1 and SIF1 is generated. Video signal of VIDEO1, AV1/S, AV2 sent to N7(TVP5160) as the main picture signal. The signal via N7 switch selection after, one way is AV OUT; another way sent 8-bit ITU-R656 format signal to N10 (FLI2310) non-interlaced processing, then sent 24bit YUV signal to main processing control chip N15 (GM1501/1601).

  • Page 9: Block Diagram

    Block diagarm SC3_L/R SC4_L/R...

  • Page 10: Ic Block Diagram

    IC block diagram 1.MSP3420 The MSP 34x0G family of single-chip Multistandard Sound Processors covers the sound processing of all analog TV-Standards worldwide, as well as the NICAM digital sound standards. The full TV sound processing, starting with analog sound IF signal-in, down to processed analog AF-out, is performed on a single chip.
  • Page 11 Fig. 1–1: Simplified functional block diagram of the MSP 34x0G...
  • Page 12 2. TVP5160 The TVP5160 device is a high quality; digital video decoder that digitizes and decodes all popular baseband analog video formats into digital component video. The TVP5160 decoder supports the A/D conversion of component YPbPr and RGB (SCART) signals, as well as the A/D conversion and decoding of NTSC, PAL, and SECAM composite and S-Video into component YCbCr.
  • Page 13 INTERNAL BLOCK DIAGRAM:...
  • Page 14 3. MP7722 The MP7722 is a stereo 20W Class D Audio Amplifier. It utilizes a single ended output structure capable of delivering 2x20W into 4Ω speakers. MPS Class D Audio Amplifiers exhibit the high fidelity of a Class A/B amplifier at efficiencies greater than 90%. The circuit is based on the MPS’ proprietary variable frequency topology that delivers low distortion, fast response time and operates on a single power supply.
  • Page 15 4. MST3383MB The MST3383MB integrates the HDMI compliant receiver for enabling advanced digital display devices such as digital TVs, plasma displays, LCD TVs and projectors to receive and display. Compliant with the HDMI 1.0 specification, the MST3383MB enables consumer electronic devices to receive uncompressed, high quality, digital audio and video HD content over a single, low-cost HDMI cable.
  • Page 16 5.GM1601/GM1501 The gm1601H is a dual channel graphics and video processing IC for Liquid Crystal Display (LCD) monitors and televisions incorporating Picture in Picture, up to WUXGA output resolutions. The gm1601H provides all key IC functions required for image capture, processing and display timing control.
  • Page 17 6. FLI2310 The FLI230x and FLI2310 are highly integrated digital video format converters for DTV and DVD applications using patented deinterlacing and post processing algorithms from Faroudja Laboratories, coupled with highly flexible scaling, a wide variety of aspect ratio conversions, and other special video enhancing features to produce the highest quality image.
  • Page 18 and Subtitle Display Modes 6.8 TrueLife™ Enhancer Two dimensional, non-linear, luma and chroma video enhancer brings out details in the picture, producing a more life-like image. 6.9 Memory 32-bit wide SDRAM (i.e. one 2M x 32-bit, or two 1M x 16-bit) controller, up to 166 MHz operation, for external SDRAM INTERNAL BLOCK DIAGRAM: 7.

  • Page 19: Wiring Diagram

    Wiring diagram TO KEYBOARD X510 X502 12 PIN X508 11 PIN...

  • Page 20: Troubleshooting

    Troubleshooting charts 1． No raster, no picture and no sound: No raster, no picture and no sound Check if power indication is light? Check the supply Check 5V-STBY power D3.3V, 12V normal normal abnormal abnormal Power board Rewrite the software Turn on the power again and check Turn problem...
  • Page 21 2． With sound but no picture: With sound but no picture Display LOGO? Check if no image for all other channels Check X13 is signal wave? Check if the white Refer to checking balance of the factory program4 menu is normal? If the panel lights or produce normal high voltage when turn on the...
  • Page 22 3． With picture but no sound. With picture but no sound If there is output from sound power amplification board check if input signal in sound power Sound box damaged amplification board Sound power amp. or other peripheral circuit have Measure if the sound input of the problem.
  • Page 23 2) No picture in YPRPB Check if N39 has input signal. N39 has problem Check if the input of N4 is normal? Check if the output N4 or the peripheral circuit of N4 is normal? have problem N4 or the peripheral circuit peripheral have problem.
  • Page 24 5． Abnormal picture : Peculiar color, which may be caused by the following phenomena: A certain differential wire pair of LVDS (RX0+/-,RX1+/-,RX2+/-,RX3+/-) of X13 is abnormal, which may lead to lack of color (it’s not a complete loss of color); Abnormal picture vertically or horizontally (bar like): Abnormal in complete line extending all the way from up downward on the screen of stand definition TV set;...
  • Page 25 then replace Y BUFFER (upper, lower) in respect to the upper, lower part of the dark line on the screen. 3. There appear on the screen one or several horizontal lines that are much brighter than the remaining horizontal lines at the edge: Check if the socket between Y driving board and Y BUFFER is plugged well.

  • Page 26: Schematic Diagram

    Power board...
  • Page 27 Power board power board...
  • Page 28 GND-D GND-D GND-D GND-D GND-D GND-D +5V_A LA42 GND-D 253D-02 CA111 100n GND-D +5V_V LA35 253D-02 R_HD +5V_A LA21 L_HD CA112 +5V_A LA56 68uH 100n 68uH RESET# GND-D GND-D 68uH MUTE LA48 GND-D CA24 CA30 CA31 1.5n 470p GND-D CA82 GND-D GND-D AVSUP...
  • Page 29 47uF A-GREEN GREEN+ BG2012B300T GREEN- 100n RED+ 47uF A-BULE BG2012B300T RED- 100n PESD5V0L4UG 75/1% 75/1% 75/1% NOT TO BE POPULATED 版 XIAMEN OVERSEAS CHINESE XOCECO ELECTRONIC CO., LTD. RGB/YPbPr_SEL TITLE: DWG NO. REV. 203-L37R70-01DL A1.0 年 月 日 Date: Sheet...
  • Page 30 SW_SDA DECSDD[13] R231 DECSDD[14] DECSDA[6] DECSDD[15] DECSDA[1] DECSDD[7] DECSDA[2] DECSDA[5] DECSDD[6] TP19 TP18 版 XIAMEN OVERSEAS CHINESE R232 DECSDD[5] XOCECO MSTR_SDA DECSDA[3] DECSDA[4] ELECTRONIC CO., LTD. BSS138LT1 DECSDD[4] DECSDD[3] SW_SCL DECSDD[2] TITLE: VDD25 VSS26 DECSDD[1] Video Decoders DECSDD[0] DWG NO.
  • Page 31 SDRAM D0 SDRAM BA1 23SDD[1] 23SDCAS# SDRAM D1 23SDCAS# SDRAM CASN 23SDD[2] 23SDRAS# SDRAM D2 SDRAM RASN 23SDRAS# 23SDWE# 23SDWE# 23SDA[10-0] 23SDA[10-0] 23SDD[31-0] 23SDD[31-0] XIAMEN OVERSEAS CHINESE XOCECO ELECTRONIC CO., LTD. TITLE: DEINTERLACER DWG NO. 203-L37R70-01DL REV. Sheet 3 of 7...
  • Page 32 +2.5V_DDR 3.3VSDRAM1 FSCLK+ FSCLK+ R103 R105 FSVREF FSCLK- FSVREF FSCLK- 3.3VSDRAM1 R104 Place this parallel termination close to corresponding memory IC pins XIAMEN OVERSEAS CHINESE XOCECO ELECTRONIC CO., LTD. TITLE: Frame Memory DWG NO. 203-L37R70-01DL REV. Sheet 4 of 7...
  • Page 33 OCMDATA1 OCMDATA1 OCMDATA[0] 3.3K C218 OCMDATA0 OCMDATA0 AT24LC32A/SN R133 R135 2.7K 2.7K +5VSTB XIAMEN OVERSEAS CHINESE +3.3V_LVDSB XOCECO ELECTRONIC CO., LTD. MSTR_SCL LL4148 IR_IN MSTR_SDA TITLE: GM1601 LL4148 MUTE OCMDATA[0-7] DWG NO. 203-L37R70-01DL I2C ADDRESS: A2H AND A3H R250 /USB_POW REV.
  • Page 34 R169 SerialInterfaceDebug3 OCMADDR[13] R170 OCMADDR[14] OCMADDR[12] OCMADDR[15] BOOTSTRAO HEADER R162 INT_OSC OCMADDR[16] OPEN=1 8-BIT_FLASH SHUNTED=0 OCMADDR[18] R159 8-BIT_FLASH1 OCMADDR[17] XIAMEN OVERSEAS CHINESE XOCECO R160 ELECTRONIC CO., LTD. 8-BIT_FLASH3 OCMADDR[19] TITLE: Memory I/F DWG NO. 203-L37R70-01DL REV. Sheet 6 of 7...
  • Page 35 R375 POWER_RET R258 MSTR_SCL BSS138LT1 +2.5V_DDR SCL_3V3 BC847AW AS1117-2V5 +5VSTB SDA_3V3 BAV99 R257 POWER_SCL R256 消 USB +1.8V POWER_SDA +5VSTB STBL3216-301 XIAMEN OVERSEAS CHINESE XOCECO USB3112 ELECTRONIC CO., LTD. STBL3216-301 TITLE: Power DWG NO. 203-L37R70-01DL REV. Sheet 7 of 7...
  • Page 36 +5V_HDTV C379 R328 BG2012B300T YUV_SW L: HDTV1; H: HDTV2 +5V_HDTV +5V_HDTV 47uF C380 PI5V330 C381 68uH +5V_HDTV BG2012B300T 47uF C382 C383 C338 100n BG2012B300T +5V_HDTV 47uF C384 C373 PESD5V0L4UG BG2012B300T +5V_HDTV 47uF C374 C375 BG2012B300T +5V_HDTV 47uF C376 C377 BG2012B300T 47uF C378 FUNCTION...
  • Page 37 STBL2012-501 R340 L_HD1 GND-D GND-D R341 STBL2012-501 +5V_HDSW R_HD1 L_HD1 GND-D GND-D 10uF GND-D C415 +5V_HDSW +5V_HDSW GND-D 68uH HEF4052BT AL_VGA 10uF C414 GND-D L_HD X-COM +5V_HDSW L_HD GND-D R_HD R342 STBL2012-501 L_HD2 R_HD Y-COM L_HD2 L_HD2 GND-D 10uF C413 GND-D GND-D GND-D...
  • Page 38 APPENDIX-A: Main assembly 203-PH42R60-10 NAME MAIN COMPONENT AND it’S NO. Analog board 667-PS42R6-53 MSP3420 (353-34200-10) M62494FP (353-62494-20) MP7722DF (353-77220-10) CPU board 667-PS42R6-56 GM1501 (353-15010-60) FLI2310 (353-23100-10) TVP5160 (353-51600-10) TVP5147 (353-51470-10) MST3383MB (353-33830-10) Keypad board 667-PS42R6-05 Power filter board 667-PH42T8-51 Power supply board 667-PH42D8-20 Remote control 301-D47R27-07A...

  • Page 39: Appendix-B: Exploded View

    APPENDIX: Exploded view(PH-42X6)
  • Page 40 PART LIST OF EXPLODED VIEW PART NO. DESCRIPTION 808-10884-AW0 Speaker front cover (left) 808-20338-222 PMMA Decorative board 743-10206-AM0 front cover Decorate piece (upper) 700-60186-00A LED column 743-10207-AM1 front cover Decorate piece (bottom) 780-I06R0-7A1 Front cover 808-10889-AW0 Speaker front cover (right) 384-41504-50 Speaker 822-10192-00...
  • Page 41 868-2A448-00 base underlay High frequency board assy 870-10313-00 Trans-connecting bracket (right) 803-30208-00B bottom Push board (left) 803-30209-00B bottom Push board (right) 803-30205-00 rightPush board 877-60593-G0 button Button board assy 360-30041-00 Power switch 870-10186-00 power bracket 877-60632-0G0 Power button 808-10722-AF0 Speaker box cover 742-30079-00 Line clasp...
  • Page 42 603-PH42R60-10 Ver.1.0...

Table of Contents