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SUBJECT:
(主旨)
JL328/378/408-XP
Service Manual
(變更記錄)
變更次數
COPY TO
All CONTENTS
收文單位
(全 文)
APPROVED BY/核准
REVIEWED BY/審核
PREPARED BY/擬稿
□ 系 統 文 件
MODEL NO:
(機種)
DOC.NO:
(文件編碼)
EFFECTIVE DATE:
(生效日期)
發行一日後生效
CONCURRED BY/會簽
RD(电子部)
RD(机构课)
技术支援课
▓ 第一類支援文件
JL328/378/408-XP
□ 第二類支援文件
REVISION: A1
(文件版本)
PAGE 1 OF 56
REVISION STATUS
(內文版本)
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Summary of Contents for Proview JL328-XP

  • Page 1 □ 系 統 文 件 ▓ 第一類支援文件 □ 第二類支援文件 SUBJECT: MODEL NO: REVISION: A1 JL328/378/408-XP (主旨) (機種) (文件版本) JL328/378/408-XP DOC.NO: PAGE 1 OF 56 Service Manual (文件編碼) REVISION STATUS EFFECTIVE DATE: (內文版本) (生效日期) 發行一日後生效 REV. PAGE (變更記錄) 變更次數 變 更 內...
  • Page 2 JL328/378/408-XP Service Manual...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS 1. Precautions and Safety Notices ································· 4 2. S p e c i f i c a t i o n · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 5 3.
  • Page 4: Precautions And Safety Notices

    1. Precautions and Safety Notices Prior to using this service manual,please ensure that you have carefully followed all the procedures outlined in the user's manual for this product. (1) Read all of these instructions. (2) Save these instructions. (3) Follow all warnings and instructions a marked on the product. (4) Unplug this product from the wall outlet before cleaning.Do not use liquid cleaners or aerosol cleaners, use a damp cloth for cleaning.
  • Page 5: Specification

    2. Specification 328XP Panel Item Specifications Display pixels 1366 (H) x 768 (V) pixels ( 1 pixel = 1 RGB cells ) Display Area 708.954mm(H) x 398.592mm (V) Pixel Pitch 0.1730 (H) x 0.5190 (V)mm Display Colors 16.7M Pixel Arrangement R+G+B vertical stripe Display Mode Normally Black Mode...
  • Page 6 408XP Panel: Item Specifications Panel Name SAMSUNG Display pixels 1366 (H) x 768 (V) pixels ( 1 pixel = 1 RGB cells ) Display Area 885.168mm (H) x 497.664mm (V) Display Colors 16.7M Pixel Arrangement R+G+B vertical stripe Brightness 500nits typical Contrast Ratio 1200:1 typical ±89°...
  • Page 7 INPUT Source : Connector types Inputs & Outputs Signals Video Format Video Sound Main-TV PAL/ SECAM PH Type None RGB+Y/C+ RGB+Y/C+ SCART 21pin CVBS(input/output)+ CVBS(input/output)+ L/R(input/output) L/R(input/output) RGB+Y/C+ RGB+Y/C+CVBS(input SCART 21pin CVBS(input/output)+ /output)+L/R(input/outp L/R(input/output) Video1 + L/R Audio CVBS RCA x 1 RCA x 2(Red, White) Video2 + L/R Audio CVBS...
  • Page 8 B. HMDI connector is a type A receptacle for video/audio mode. 1. TMDS Data 2+ 9. TMDS Data 0- 17. CEC/GND 2. TMDS Data 2 shield 10. Clock + 18. +5V Power 3. TMDS Data 2- 11. Clock shield 19. Hot Plug Detect 4.
  • Page 9 5. Vdd from PC for DDC 10. Sync. GND 15. SCL For DDC1/2B RCA jacks are all female type. Mini DIN CNC 4 Pins (SCN570S3NS00000) for S-video, the pin assignment is described as below: 1: Ground 2: Ground 3: Y 4: C HDMI Format...
  • Page 10 HDMI Mode HDMI HDMI HDMI HDMI HDMI HDMI PRESET MODES 640X480P 720X480P 1280X720P 1280X720P 1920X1080 1920X1080I F. V 59.941Hz 59.941Hz 50Hz 59.941Hz 59.941Hz 50Hz HDMI HDMI HDMI HDMI HDMI PRESET MODES 1920X1080 640X480P 720X480P 1280X720P 720X576P F. V 60Hz 60Hz 60Hz 50Hz 60Hz...
  • Page 11 Power Source AC100 – 240 V, 60/50 Hz Sound Output 10W X2, 4 Ohm. Signal Connector Pin Assignment Assignment Assignment Assignment Red Ground Ground Green Green Gro und Blue Blue Ground Horizontal Sync. Ground Not Connected Vertical Sync. Self Test Sync.
  • Page 12: Front Panel Function Control Description

    3. Front Panel Function Control Description Operation, Adjust and Programming...
  • Page 16 The operation of each OSD controls is described as following table: Main Menu Sub Menu Option Adjustment Auto Audio System Press to select the audio system to be I,DK,L or BG Programme Auto Search Press to search program automatically Manual Program No Press to display the current program No.
  • Page 17 Clock Press to adjust the current time Turn Off Language Press Press to set the off time to select the language to be English, French, German, Portuguese, Spanish, Polish, Italian or Dutch OSD Time out Press to select the OSD Timeout to be 15,20, 25, 30, 40sec.
  • Page 18: Adjusting Procedure

    4. Adjusting Procedure ITEM Equipments Requirement Procedure and SPEC Program Menu. VIDEO adjustment Play DVD Screen is clear and fluent Video Cable Set DVD to interlaced o tp t S-VIDEO Play DVD Screen is clear and fluent S-Video Cable Set DVD to interlaced output Send TV source through 54200...
  • Page 19 Teletext operation FLUKE 54200 Sets Selects Sourceto Teletext output TV/AV1/2(SCART CVBS)/AV3 Operats Switch Teletext key Check if the teletext is normal Play Screen is clear and fluent DVD(Y,Pr,Pb) (Y,Pb,Pr1/ Y,Pb,Pr2) Component Cable Set the DVD 720p/1080i 480i.576i.480p.576p.720p DVD Player , 1080i progressive Samsung HD-931 output...
  • Page 20 NTSC/PAL/SECAM Play 1. Select SOURCE then choose AV3 switch test disc (VIDEO) or AV4(S-VIDEO). S-Video Cable VIDEO ESSENTIA 2. Sending the signal from DVD test disc Video Cable Set DVD to (sixth paragraph) FLUKE 54200 interlaced output 16 b 3. Switch DVD to output mode from NTSC/PAL/SECAM, See if there is the action of switch NTSC/PAL/SECAM.
  • Page 21 1. Set the left/right speaker to be balance d. Balance 2. Check if the action is normal. 1. Set the Bass volume e.100Hz 2. Check if the action is normal 1. Set the mediant volume f.500Hz 2. Check if the action is normal 1.Set the mediant volume g.1.5KHz 2.Check if the action is normal...
  • Page 22: Trouble Shooting Flow Chart

    5. Trouble Shooting Flow Chart STEP 1. LED Color Change Change LCD Check the Display? Change Check Remote INVETER INVETER Power Control Step2 Check LVDS Display? Check the cbale? Key Board Check Power? To Step2 Check the U38 Check 27”/32” Change CON9 3,4Pin 12V? To Step2...
  • Page 23 No Display Check LED Board & Insert OK LED ON? Main Board Connect? Check 27”/32” 3,4PIN Change Power 12V? adapter Check 37”/42” 2,3 PIN Check LED Change LED Push the Power On/Off Switch...
  • Page 24 To Step2 Change Signal Cable Check 27/32’’ Change Power 3,4PIN 12V? Adapter Check 37/40’’ 2,3PIN 5V? YES (27/32’’) Check U609 Check 5V U610 Outout Cricuit YES(37/40/42’’) Check U24 U27 Check 3.3V Check Signal U47 U50 U53 Cricuit Generator output 3.3V Check 1.8V Check U28 U30 Cricuit...
  • Page 25 No SCART Check SCART Signal Check SCART generator and cable signal Check U42, Y3 shake? Pin37,45, R528,3.3V? Pin41,50, 1.8V? YES (27/32’’) NO PIP PIP Signal Check signal source Check U42 Y3 shake? Power RN39 and RN40 soldering?...
  • Page 27 No AV/S-Video Diaplay Check AV/S-Video Signal Generator and Check AV/ cable S-Video Signal Check AV Board J70(Video) J61(S-Video) Check Check AV/S- C9,C11,C13 AV/S- Video Signal Video Signal Cricuit Check U1 EX52 Cricuit...
  • Page 28 No HDTV display Check HDTV Check U613? signal Check HDTV Generator and signal cable Check Check HDTV C8,C10,C12 signal Cricuit HDTV Siganl? Check U1 EX52 Cricuit...
  • Page 32: Exploded Diagram And Spare Parts List

    6. Exploded Diagram and Spare Parts List JL328...
  • Page 33 JL378...
  • Page 34 JL408...
  • Page 35: Block Diagrams

    7. Block Diagram LVDS MAINTV 4Mx32 PIP TV SAA7117A SVP-EX52 8 Bit PIP DECODE SCART M16C 24bit 2308 SPEAKER MSP3410 Sil9011 4052 TS5V330C Phone out HDMI S-Video Video out YPbPr1(HDTV1) YPbPr2(HDTV2) Video OUT YPbPr1(HDTV1) Video S-Video YPbPr2(HDTV2)
  • Page 36: Schematic Diagrams

    8. Schematic Diagram Main Board...
  • Page 44 н упр.
  • Page 48 IO Board...
  • Page 50 Keypad Board...
  • Page 51 Tuner Board...
  • Page 52: Pcb Layout Diagrams

    9. PCB Layout Diagram Main Board((Component Side Top)
  • Page 53 Main Board(Component Side Bottom) Keypad Board (Component Side Top) Keypad Board (Component Side Bottom)
  • Page 54 IO Board (Component Side Top) IO Board (Component Side Bottom) Tuner Board (Component Side Top)
  • Page 55 Tuner Board (Component Side Bottom)

This manual is also suitable for:

Jl378-xpJl408-xp

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