Audiovox CX15 Service Manual

MARCH 2003 HHEA-MANUFACTURING DIVISIONPANo. 017250HDT50M/55M: PT3-H ChassisAVC51: AVC3-U ChassisR/C: CLU-5726TSI (50HDT50/55)R/C: CLU-120S (50HDT55)NN

10PT3-H AVC3-UCIRCUIT PROTECTIONCAUTION: Below is an EXAMPLE only. See Replacement Parts List for details. The following symbol near the fuseindicate

100PT3-H AVC3-U7C7C7A7B7D7FITEM DESCRIPTION 50HDT50M 50HDT55M1 BEZEL ASSEMBLY QD35403 QD354042 SPEAKER UNIT GM01232 GM012333 BACK COVER A

PT3-H AVC3-U101REPLACEMENT PARTS LISTPRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Befor

102PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

103PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

PT3-H AVC3-U104PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of thes

PT3-H AVC3-U105PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of thes

106PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

107PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

108PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

109PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

11PT3-H AVC3-UDestination U.S.A. / CANADA U.S.A. / CANADA Exterior Cabinet Dimensions: 1,218x714x104mm 1,218x714x104mm(Main Body) (Speaker &

110PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

111PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

112PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

113PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

114PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

115PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

116PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

117PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

118PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

119PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

12PT3-H AVC3-U AVC SPECIFICATIONS (1 of 2)Model _ AVC51Size 1 430mmx85mmx240mmDimensionWeight 2 3.5 kgInput AC Voltage 3 AC108 ~132(with 3 Plug AC

120PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

121PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

122PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

123PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

124PRODUCT SERVICE NOTE: Components marked with a have special characteristics important to safety. Before replacingany of these components,

125PT3-H AVC3-U125No. Cir.No. P# Description Function PWB ASSY Remarks1 H901 CW00352 UPM0518SA SWITCHING REGULATOR POWER2 I901 CZ00869 STR-F6668B(LF1

126PT3-H AVC3-U126Function of Digital Interface(1) Specification of TMDS connector (24P DVI-D)No.Signal nameFunction Remarks1Difference data AVC PDP

13PT3-H AVC3-UAVC SPECIFICATIONS (2 of 2)Model AVC51Gamma Correction 38 Only for Service MenuPicture Enhancer 39 With (only RGB)Input Signal Identifi

14PT3-H AVC3-UBASIC SETUP & OPERATION50504" Minimum4" MinimumBESTHORIZONTALVIEWING ANGLE5’10’15’20’SSRLVIEWINGThe major benefit of the

15PT3-H AVC3-USecuring to a table-top1. Using wood screws (two) fasten the set to the clamping screw holes on the rear of the Plasma Display stand as

16PT3-H AVC3-UFRONT PANEL CONTROLSFRONT VIEW MENU/SELECT buttonThis button allows you to enter the MENU, making it possible to set TV features to yo

17PT3-H AVC3-U POWER buttonDisplay Monitor “MAIN POWER” buttonThis power button is for the complete system, and must be turned ON/OFF manually. It

18PT3-H AVC3-UREAR PANEL JACKS Component: Y-PBPRInputsInputs 1 and 2 provide Y-PBPRjacks for connecting equipment with this capability, such as a DV

19PT3-H AVC3-UPDP MONITORSelf DiagnosticThis button is also a troubleshooting aid, when a PDP monitor failure occurs, the pressing of the sub-power b

2PT3-H AVC3-UNOTICE: Comply with all cautions and safety-related noteslocated on or inside the cover case and on the chassis or plasmamodule.WARNING:

20PT3-H AVC3-UCONNECTING AV NETWORKYour Hitachi Plasma Television is equipped with an AV Network feature. This feature helps to control your externa

21PT3-H AVC3-UAV NETWORK SETUP WIZARD5. Follow the steps below to setup the AV network (See page 22 for AV Network Codes).There are six steps in the

22PT3-H AVC3-UAUDIO/VIDEO CODES FOR AV NETWORKVCR BRAND . . . . . . . . . . . . . . . . . . . . . . . . . . . CODEAdmiral . . . . . . . . . . . . . .

23PT3-H AVC3-UREAR PANEL CONNECTIONSRear Panel of Display MonitorVCR #1Outside antenna orcable TV coaxial cable2-Way signal splitterANT INOUTPUTS-VID

24PT3-H AVC3-UTIPS ON REAR PANEL CONNECTIONS• S-VIDEO connections are provided for high performance laserdisc players, VCRs etc. that have this featu

25PT3-H AVC3-UTV MODE ON-SCREEN DISPLAY1. Press MENU on the remote control to display the different features on your HITACHI Plasma TV.2. Use the THU

26PT3-H AVC3-UTV MODE ON-SCREEN DISPLAYPicture Mode Select between the two picture modes; Dayand Night.Contrast Adjust contrast.Brightness Adjust bri

27PT3-H AVC3-URGB MODE ON-SCREEN DISPLAY1. Press TV/RGB button on the remote control to switch between TV and RGB modes.2. Press MENU on the remote c

28PT3-H AVC3-URGB MODE ON-SCREEN DISPLAYContrast Change the contrast between black and white levels in the picture.Brightness Adjust overall picture

29PT3-H AVC3-UADJUSTMENTS TABLE OF CONTENTS1 Adjustment procedure start up...

3PT3-H AVC3-UPRODUCT SAFETY NOTICEMany electrical and mechanical parts in HITACHI televisionreceivers have special safety-related characteristics. T

30PT3-H AVC3-U1 ADJUSTMENT PROCEDURE START-UPThe 50HDT50M/55M PDP TV set, undergoes throughadjustment procedures during its assembly process.These a

31PT3-H AVC3-U2.2 FACTORY AND SERVICE ADJUSTMENTSThe adjustment item that is affected by the memoryinitialize operation is shown below:3 AMPLITUDE A

32PT3-H AVC3-U4 WHITE BALANCE ADJUSTMENTS(PDP MONITOR)General Notes for White Balance(1) If the incident illumination is more than 20 lux,change the

33PT3-H AVC3-U4.3 VIDEO COLOR TEMPERATURE ADJUSTMENT(STD)Preparation(1) Same as “Video Color Temperature adjustment:(HIGH)”.Adjustment(1) Perform th

34PT3-H AVC3-U4.7 WHITE BALANCE ADJUSTMENT OSD FLOW DIAGRAMBACK TO ADJUSTMENTS

35PT3-H AVC3-U5 SCREEN CHECKPreparation(1) Set AC120±1V.(2) Turn on the power and leave it more than 5 min.(3) Receive circle pattern at 4:3 Expande

36PT3-H AVC3-UTable 1 - Factory ResetFunction Initial Data/Condition NoteNTSC Channel(Main, Sub) 03ChannelInput Mode Ant ASleep Timer Not RegisteredF

37PT3-H AVC3-UTable 1 - Factory Reset (Continued)Channel Lock Not RegisteredInput Lock Not RegisteredFront Panel Lock Not RegisteredTV Time OutStart/

38PT3-H AVC3-UADJUSTMENTMODE OSDADJUSTMENT ITEM ADJUSTMENTRANGE(HEX)INITIALDATA(HEX)ADJUSTVALUE(HEX)V POSITION480i 7E 3F480p 7E 3F720p 7E 3FV POSITIO

39PT3-H AVC3-UADJUSTMENTMODE OSDADJUSTMENT ITEM ADJUSTMENTRANGE(HEX)INITIALDATA(HEX)ADJUSTVALUE(HEX)UPD64083 (3D-Y/C) (B8H)MSS Compulsion Frame/Line

4PT3-H AVC3-UCAUTION: Before servicing instruments covered by thisservice data and its supplements and addenda, read andfollow the “Important Safety

PT3-H AVC3-U40MTINT-G720p/1080i HDTV0F 07MYBLAC4TV/NTSCFE B5MYBLACD Main Y Black Level Control 00: OFF 01: MIN_FE: MAX480i/480p720p/1080iFE 00MTOFF0

PT3-H AVC3-U41HSEPL-4TV/NTSC03 00HSEPL-5 480i 03 00HSEPL-6 480p 03 00HSEPL-CHorizontal Sync SeparationLevel Switch0: 20%, 1: 27%2: 34%, 3: 40%720p/10

PT3-H AVC3-U42ADJUSTMENTMODE OSDADJUSTMENT ITEM ADJUSTMENTRANGE(HEX)INITIALDATA(HEX)ADJUSTVALUE(HEX)PDPR-DRVHRed Drive Gain Adjustment (HIGH) FF FF

43PT3-H AVC3-UADJUSTMENTMODE OSDADJUSTMENT ITEM ADJUSTMENTRANGE(HEX)INITIALDATA(HEX)ADJUSTVALUE(HEX)FC4 Read ModeTVCINETV≈^Cinema Detection display

44PT3-H AVC3-UV.E3 NTSC 03 03V.E5 480i/480p 03 03V.E3-NR NTSC-NR 03 00V.E5-NR 480i-NR 03 00V.EB 720p/1080i 03 00V.E6 480P 03 03V.EN-NR 480p/720p/1080

45PT3-H AVC3-UNRMLCNTBrightness maxNormal/Real FE BCBSGOFSBlack Stretch Gain OffsetALL 3F 1FCOLOR-FSDTV(NT1/NT2/HD3/HD4/HD6) 7F 55COLOR-GColorHDTV(NT

46PT3-H AVC3-US-CONTS 720p/1080i(DVI)1F13S-CLR-RSub Color Control 32/37/42VGA(DVI)1F0D SCLR-RSub Color Control 50VGA(DVI)1F0DV-POSI5 480i 44

PT3-H AVC3-U47(PDP MONITOR)Burn-in mode check (*1)NG?Is AVC Power Indicatoralways red and no soundof Relay heard?YesNoNo pictureNo soundNoYesCheck AV

PT3-H AVC3-UTrouble of Main Switching-regulatorIs I901 inintermittent oscillation?Is I901(4)pin voltageat the moment of power-ONbelow 16V?Check Q930,

PT3-H AVC3-U49Protection circuit OperationIs D944(K) voltagebelow 2.8V?Check D933, D936, etc.Or check AV PWB.YesNoB.Is D940(A) voltagebelow 3.8V?Chec

5PT3-H AVC3-UGeneral Soldering Guidelines1. Use a grounded-tip, low-wattage soldering iron andappropriate tip size and shape that will maintain tipte

PT3-H AVC3-U(Trouble of PDP MONITOR)Is the power indicatorLED always dark?Check FILTER PWBD901, H920, etc.YesNoC.<FILTER PWB>Is PSU  (STB+5V)v

51PT3-H AVC3-USELF DIAGNOSTIC FUNCTION• PDP MonitorThe blinks of the LED on the panel unit indicate a PDP monitor failure with no picture.The LED is

52PT3-H AVC3-UI001 Pin 29 I001 PIN 30 I001 PIN 28I001 PIN 31 I001 PIN 23 I001 PIN 25I001 PIN 62 I001 PIN 64 I001 PIN 56I001 PIN 53 I001 PIN 52 I001 P

53PT3-H AVC3-UTP301 (PS0FP PIN 24) TP302 (P50FP PIN 23) TP303 (P50FP PIN 22)TP304 (P50FP PIN 20) TP305(P50FP PIN 19) TP306 (P50FP PIN 17)TP307 (P50FP

54PT3-H AVC3-UTPX51 (IX01 PIN 44) TPX54 (IX01 PIN 56) TPX55 (IX01 PIN 58)TPW03 (IW01 PIN 84, after LPF) TPZ23 (IW01 PIN 83, after chroma) I008 PIN 54

55PT3-H AVC3-UDC VOLTAGE TABLESAVC3-U Audio/Video Board (Signal)Symbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol

56PT3-H AVC3-UDC VOLTAGE TABLESAVC3-U Audio/Video Board (Signal) (Cont.)Symbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol pin No. DC Voltage

57PT3-H AVC3-UDC VOLTAGE TABLESAVC3-U Audio/Video Board (Sound, Power)Symbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol pin No. DC Voltage S

58PT3-H AVC3-UDC VOLTAGE TABLESAVC3-U Audio/Video Board (DVI)Symbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol pin No. DC Voltage1 3.29 1 0.

59PT3-H AVC3-UDC VOLTAGE TABLESAVC3-U Audio/Video Board (Input)Symbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol p

6PT3-H AVC3-UFuses and Conventional Resistor Removal/Replacement1. Clip each fuse or resistor lead at top of circuit board hollow stake.2. Securely c

60PT3-H AVC3-UDC VOLTAGE TABLESAVC3-U Audio/Video Board (Input) (CONT.)Symbol pin No. DC Voltage Symbol pin No. DC Voltage1 2.90 E 2.342 0.00 QX22 B

61PT3-H AVC3-UDC VOLTAGE TABLESAVC3-U VideoSymbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol pin No. DC Voltage1 0

62PT3-H AVC3-UDC VOLTAGE TABLESAVC3-U Video (Cont.)Symbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol pin No. DC Vo

63PT3-H AVC3-UDC VOLTAGE TABLESAVC3-U Video and PowerSymbol pin No. DC Voltage Symbol pin No. DC Voltage Symbol pin No. DC Voltage Power PWBE 4.77 E

64PT3-H AVC3-UDC VOLTAGE TABLESPT3-H SignalSymbol Pin No. DC Voltage Symbol Pin No. DC Voltage SymbolPin No.DC Voltage Symbol Pin No. DC Voltage1 5.1

65PT3-H AVC3-UDC VOLTAGE TABLESPT3-H Signal (Cont.)Symbol Pin No. DC Voltage Symbol Pin No. DC Voltage SymbolPin No.DC Voltage Symbol Pin No. DC Volt

66PT3-H AVC3-UDC VOLTAGE TABLESPT3-H Signal (Cont.)Symbol Pin No. DC Voltage Symbol Pin No. DC Voltage SymbolPin No.DC Voltage Symbol Pin No. DC Volt

67PT3-H AVC3-UDC VOLTAGE TABLESPT3-H Signal (Cont.)Symbol Pin No. DC VoltageB 0.0Q403 C 0.0E 0.0B 1.3Q404 C 0.0E 0.0B 1.3Q405 C 0.0E 0.0B 5.0Q406 C 0

1 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar signa

16151714131819202122124313658791210111 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal

7PT3-H AVC3-UMH DIODERESISTORLeadless Chip Components(surface mount)Chip components must be replaced with identicalchips due to critical foil track s

24231 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar s

2726251 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar

29281 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar s

1 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar signa

1 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar signa

1 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar signa

1 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar signa

1 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar signa

1 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar signa

323331301 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color b

8PT3-H AVC3-UAGENCY REGULATORYINFORMATIONFederal Communications Commission NoticeThis equipment has been tested and found to comply with the limits f

1 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar signa

1 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar signa

1 23456ABCDE All DC voltage to be measured with a tester (100k/V). Voltage taken on a complex color bar signal including a standard color bar signa

PRINTED CIRCUIT BOARDAVC3-U Audio/Video PWB83PT3-H AVC3-UTABLE OF CONTENTS

PRINTED CIRCUIT BOARDAVC3-U Audio/Video PWB84PT3-H AVC3-U

PRINTED CIRCUIT BOARDAVC3-U Power PWB85PT3-H AVC3-U

PRINTED CIRCUIT BOARDAVC3-U Power PWB86PT3-H AVC3-U

PRINTED CIRCUIT BOARDAVC3-U Control/SW Jig PWB87PT3-H AVC3-UPT3-H FILTER PWB

PT3-H AVC3-UPRINTED CIRCUIT BOARDPT3-H Signal/Audio PWB88

PRINTED CIRCUIT BOARDPT3-H Signal/Audio PWB89PT3-H AVC3-U

9PT3-H AVC3-UACKNOWLEDGMENTSAND TRADEMARKSThis Plasma Television complies with VESA DDC2B specifications, Plug & Playis a system with computer, p

PT3-H AVC3-UBLOCK DIAGRAMAV/Control/Power for AVC3-UJ401POWER BLOCKMonitor Output VIDEO__ S-VIDEO__ L/R__JX01 Input 1 Y1 _

PT3-H AVC3-UBLOCK DIAGRAMFC4 Unit91BACK TO TABLE OF CONTENTS

PT3-H AVC3-U92To frameGNDAC in120VFuse F9015A/125VRelayS901StandbyrectifierMainrectifierMainSwitching-regulatorD902D901StandbyDC/DC converterH901L

93PT3-H AVC3-U93PDP PANELFRONTAUDIOCONTROLAUDIOOUTTRUBASSRXD0TXD0AVDETPDP-GOCPU-GOIRQMUTESPRLYSDA1SCL1FVPPMD1RESRLEDGLEDREM L/RPDPMicrocomputerFrom A

94PT3-H AVC3-U94Audio Circuit Block DiagramOVER LOADSP OUT LchSP OUT RchRELAY CONT.MUTE CONT.SCL1SDA1Lch INRch INNJW1133AMASTER VOL.BALANCETONE CONT.

95PT3-H AVC3-USpeaker X 2Main PowerSWRemoteControlAC120VDigital RGBDifferentialSignalCPU(system)Signal/AudioPWBOSC16MHzAudioProcessingAudio Signal Pr

PT3-H AVC3-UCONNECTION DIAGRAMPSCPCS P50FP P001PP501P PSC1 PSC11 POW LEDPOW_LED150GND GND 11 GND 1 LED1 LED1 12 POWER.SAVE POWER.SAVE 2 4 9 NC NC 22 T

PT3-H AVC3-UAVC3-U CHASSIS WIRING DRAWING97

98PT3-H AVC3-UPT3-H CHASSIS WIRING DRAWINGPOWER UNITX-SUSFILTERINLETAUDIO/VIDEOY-SUS

99PT3-H AVC3-U123444466656678911126141315161718DESCRIPTIONPART NO.QTY.1ITEMFRONT PANEL ASSEMBLY1111112345678111910111112134TOP CASE AVC3PH30943QA0264