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Instruction Manual
SERVICE MANUAL
CONTENTS
! SPECIFICATIONS ･････････････････ ･･･
･･･････ ･･････････ ･･･ 2
･･･････ ･･････････ ･･･
･･･････ ･･････････ ･･･
! SAFETY PRECAUTIONS ･･･････ ･･･････
! MAIN DIFFERENCE LIST ･････････ ･････
! FEATURES･･ ･･･ ･･ ･･････････ ･････････
･････････ ･･････････ ･･･････ 4
･･ ･･･ ･･ ･･････････ ･････････
･････････ ･･････････ ･･･････
! FUNCTIONS ･････････ ･･････････ ･･････
･･･ ････････ ･･････････ ･･ ･･ 6
･････････ ･･････････ ･･････
･･･ ････････ ･･････････ ･･ ･･
1
COLOUR TELEVISION
HV-29LPZ
HV-29LPZ
HV-29LPZ
HV-29LPZ
･････････ ･････3
･･･････ ･･･････
･････････ ･････
･･･････････ ･･･4
･････････ ･････
･･･････････ ･･･
CO PYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD.
/HK
/-A
/EE
! SPECIFIC SERVICE INSTRUCTIONS ･･･ ･
! SERVICE ADJUSTMENTS･･･ ････ ･････
! PARTS LIST ･･･ ････ ････ ･･ ････ ････ ･･
･･ ･ ･･ ････ ････ ･･ ････ ････ 37
･･ ･ ･･ ････ ････ ･･ ････ ････
･･･ ････ ････ ･･ ････ ････ ･･
★ OPERATING INSTRUCTIONS
★ STANDARD CIRCUIT DIAGRAM ･･ ･･･ ･･
HV- 29LPZ
BASIC CHASSIS
MF
･･ ･ ･ 8
･･･ ･
･･ ･ ･
･･ ･･･ ････ ･･ ･ 14
･･･ ････ ･････
･･ ･･･ ････ ･･ ･
･･･ ････ 2-1
･･ ･･･ ･･
･･･ ････
No.52012
Jun. 2002
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Table of Contents
Related Manuals for JVC HV-29LPZ
Summary of Contents for JVC HV-29LPZ
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Page 1: Colour Television
HV- 29LPZ SERVICE MANUAL COLOUR TELEVISION HV-29LPZ BASIC CHASSIS HV-29LPZ HV-29LPZ HV-29LPZ CONTENTS ! SPECIFICATIONS ･････････････････ ･･･ ･･･････ ･･････････ ･･･ 2 ! SPECIFIC SERVICE INSTRUCTIONS ･･･ ･ ･･ ･ ･ 8 ･･･････ ･･････････ ･･･ ･･･････ ･･････････ ･･･ ･･ ･ ･... -
Page 2: Specifications
AV Compulink Stereo mini jac k (φ3.5mm ) Headphone jack RM-C214 (AA/R06 / UM-3 , Dry cell battery×2) : HV-29LPZ / HV-29LPZ / HV-29LPZ Remote Contr ol Unit RM-C215 (AA/R06 / UM-3 , Dry cell battery × 2) : HV-29LPZ Design &... -
Page 3: Safety Precautions
HV- 29LPZ SAFETY PRECAUTIONS 1. The design of this product contains special hardware, many 9. Isolation Check circuits and components specially for safety purposes. For (Safety for Electrical Shock Hazard) continued protection, no changes should be made to the original After re-ass embling the product, always perform an isolation design unless authorized in writing by the manufacturer. -
Page 4: Main Difference List
WST (world standard sys tem) system. make the optimum picture which is eas y on the eye. * Exc ept HV-29LPZ " Pure FLAT CRT reproduc e fine textured. " Digi Pure pro : Auto digi pure with motion picture c ompensation. -
Page 5: System Block Diagram
HV- 29LPZ SYSTEM BLOCK DIAGRAM MICOM PWB IC 001 IC 004 MICRO COMPUTER MEMORY SDA 0 SCL 0 SDA 2 SDA 1 SCL 2 SCL 1 MAIN PWB IC 301 IC 701 DEF & RGB BBE CONTROL PROCESSOR IC 101 TU0 01 MULTI SOUND TUNER... - Page 6 HV- 29LPZ FUNCTIONS ■ ■ ■ ■ Front Terminal & Control 1 HEADPHONE jack 7 SENSOR (Remote Control & ECO) 2 VIDEO-4 terminal 8 SPATIALIZER LAMP (S-VIDEO / VIDEO / L/MONO / R) 3 MENU/OK Button 9 ECO LAMP 4 CHANNEL -/+ A POWER LAMP Button (MENU UP/DOWN)
- Page 7 O FUNCTION Key (▲/▼& PMENU/OK Key Q COLOUR Key (Choos e the appropriate colour system.) RCOLOUR SYSTEM Key (Choos e the appropriate colour system.) SSOUND SYSTEM Key (Choos e the appropriate sound system.) UTELETEXT Key (W ithout HV-29LPZ/HK) No. 52012...
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Page 8: Specific Service Instructions
HV- 29LPZ SPECIFIC SERVICE INSTRUCTIONS DISASSEMBLY PROCEDURE REMOVING THE REAR COVER CHECKING THE PW BOARD 1. Unplug the power c ord. To check the back side of the PW Board. 2. Remove the 16 screws marked ! ! as shown in the Fig. 1. 1) Pull out the chassis . - Page 9 HV- 29LPZ DOME SPEAKER BOX FRONT CABINET SOCKET FRONT CONT ROL PWB (2/2) CONT ROL BASE MICOM POWER & DEF CLAW CHASSIS 100Hz FRONT TERMINAL CONT ROL PWB (1/2) CONT ROL BASE MAIN PWB CLAW AV SW PWB (×5) DOME SPEAKER BOX POWER CORD REAR COVER...
- Page 10 HV- 29LPZ REMOVING THE CRT ∗ Replacement of the CRT should be performed by 2 or more pers ons. CRT CHANGE TABLE • After removing the c over, chassis etc., 1. Putting the CRT c hange table on soft cloth, the CRT change table should also be c overed with s uch soft cloth (shown in Fig.3).
- Page 11 HV- 29LPZ REPLACEMENT OF MEMORY ICs 1. Memory ICs This TV us e memory ICs. In the memory ICs, there are memorized data for correctly operating the video and deflection circuits . When replacing memory ICs, be s ure to us e ICs written with the initial values of data. S E RV ICE M EN U 2.
- Page 12 HV- 29LPZ SETTING VALUES OF SYSTEM CONSTANT SET (TABLE 1) MODEL No. HV- 29LPZ HV- 29LPZ HV- 29LPZ HV- 29LPZ Setting item 1. TEXT ← 2. BLUE BACK MUTE ← ← ← 3. E. M. C ← ← ← 4. WHITE BACK ←...
- Page 13 HV- 29LPZ USER SETTING VALUES (TABLE 3) Setting item Setting value Setting item Setting value MAIN POWER SW SUB POWER SHIPPING CHANNEL DISPLAY INDICATED See ; OPERATING PRESET CHANNEL VOLUME LEVEL INSTRUCT IONS. PICTURE SETTING INSTALL PICTURE MODE BRIGHT LANGUAGE ENGLISH WHITE MODE EDIT...
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Page 14: Service Adjustments
HV- 29LPZ SERVICE ADJUSTMENTS BEFORE STARTING SERVICE ADJUSTMENT 1. There ar e 2 ways of adjusting this TV: One is with the 7. Preparation for adjustment (pres etting): REMOTE CONTROL UNIT and the other is the conventional Unless otherwis e specified in the adjustment items, preset the method using adjustment parts and components. -
Page 15: Main Pwb
HV- 29LPZ ADJUSTMENT LOCATIONS FRONT CONTROL PWB (1/2) FRONT CONTROL PWB (2/2) T V/VID EO EXT VO L UP VO L DO WN S IN PO WER SW PO WER SPET IA LI ZE R CD S FRON T FRON T M ENU / IN (V IDEO -4 ) HEA D... - Page 16 HV- 29LPZ BASIC OPERATION SERVICE MENU 1. TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the REMOTE CONTROL UNIT. 2. SERVICE MENU ITEMS With the SERVICE MENU, various settings (adjustments) c an be made, and they are broadly c lassified in the following items of settings (adjus tments ): (1) 1.
- Page 17 HV- 29LPZ 3. BASIC OPERATION OF SERVICE MENU (1) Ho w to enter SERVICE MENU Press the PICTURE MODE key and the DISPLAY key of the SERVICE MENU REMOTE CONTROL UNIT simultaneous ly, and the SERVICE MENU sc reen of Fig. 1 will be dis played. S E RV ICE M EN U 1.
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Page 18: Service Menu
HV- 29LPZ SERVICE MENU SCREEN SERVICE MENU SERVICE MENU 1. I F 2. V /C 3. A UDI O 4. DE F 5. V S M PR ES E T 6. S TA T US 7. P IP 8. W B P RE SE T 9. - Page 19 HV- 29LPZ (3) Method of Setting " Method of Setting 1.IF [VCO] ･･･････ ･････････････ ･･･････ * It must not adjust without signal ① 1 Key ･･･････ ･････････････ ･････ Select 1.IF. ② 1 Key ･･･････ ･････････････ ････ Select 1. VCO (CW) Check the arrow position between the ABOVE REF.
- Page 20 HV- 29LPZ ADJUSTMENT CHECKING ITEM Measuring Item Test point Ad justment part Description instrument Check of B1 Signal TP-91(B1) 1. RGB BLK 1. Receive any broadc ast. Power Supply Generator TP-E(# # # # ) 2. Press the ZOOM key and select the FULL mode. [X connector 3.
- Page 21 HV- 29LPZ ADJUSTMENT OF FOCUS & SCREEN Measuring Item Test point Ad justment part Description instrument Ad justment of Signal FOCUS 1 VR(In HVT) 1. Receive a cross -hatc h signal. FOCUS gener ator FOCUS 2 VR(In HVT) 2. Press the ZOOM key and select the regular mode. 3.
- Page 22 HV- 29LPZ VSM PRESET SETTING Measuring Item Test point Ad justment part Description instrument Setting of Remote 1.CONT. 1. Select 5.VSM PRESET from the SERVICE MENU. VSM PRESET control unit 2. BRIGHT 2. Select STD with the PICTURE MODE key of the remote control 3.
- Page 23 HV- 29LPZ VIDEO/CHROMA CIRCUIT ADJUSTMENT The setting (adjustment) using the REMOTE CONTROL UNIT is made on the basis of the initial setting values. The setting values which adjust the scr een to the optimum condition can be different from the initial setting values. "...
- Page 24 HV- 29LPZ Measuring Item Test point Ad justment part Description instrument Ad justment Remote 7.COLOUR [Method of adjustm ent without m easuring instrument] of SUB control unit (PAL/SECAM/NT SC) COLOURⅠ Ⅰ Ⅰ Ⅰ PAL COLOUR (PAL COLOUR) Receive PAL broadcast. Select 2.V/C from the SERVICE MENU.
- Page 25 HV- 29LPZ Measuring Item Test point Ad justment part Description instrument Ad justment Signal TP-47B 7.COLOUR [Method of adjustm ent using measur ing instrument] of SUB gener ator TP-E(# # # # ) (PAL/SECAM/NT SC) COLOUR Ⅱ Ⅱ Ⅱ Ⅱ [CRT PAL COLOUR (PAL COLOUR)
- Page 26 HV- 29LPZ Measuring Item Test point Ad justment part Description instrument Ad justment Remote 8.TINT [Method of adjustm ent without m easuring instrument] control unit NTSC 3.58 TINT (NTSC 3.58 TINT) SUB TINT 1. Input a NTSC 3.58MHz COMPOSITE VIDEO signal (full field colour bar with 75% white) from the EXT terminal.
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Page 27: Table Of Contents
HV- 29LPZ DEF. CIRCUIT ADJUSTMENT There are 3 aspect mod es ( ① ① ① ① REGULAR, ② ② ② ② ZOOM & ③ ③ ③ ③ 16 : 9) of the adjustment ( 1 ) 100Hz i mode & ( 2 ) 60Hz p mode ･･････ ･･････... -
Page 28: V- Shift +7
HV- 29LPZ Measuring Item Test point Ad justment part Description instrument Ad justment Signal 1. V- SHIFT [REGULAR mode] gener ator 1. Receive a circle pattern signal of vertic al frequency 50Hz. V-SHIFT 2. Select 4.DEF from the SERVICE MENU. Remote 3. -
Page 29: H-Cent -21
HV- 29LPZ Measuring Item Test point Ad justment part Description instrument Ad justment of Signal 3.H-CENT. 13. Receive a c ircle pattern s ignal. gener ator H. CENTER 14. Select 3.H-CENT and set the initial setting value. 15. Adjust H-CENT to make C=D. Remote 16. -
Page 30: Trapez
HV- 29LPZ Measuring Item Test point Ad justment part Description instrument Ad justment Signal 5.TRAPEZ 26. Receive a cross-hatch signal. gener ator of TRAPEZ 27. Select 5.TRAPEZ with the function UP/DOWN key. Remote 28. Set the initial setting value of TRAPEZ with the function control unit LEFT/RIGHT key. -
Page 31: Bow
HV- 29LPZ Measuring Item Test point Ad justment part Description instrument " In cas e where there is a bow-shaped distortion of images on Ad justment Signal 11.BOW gener ator of BOW the screen. (Fig.B) Remote 42. Select 11.BOW with the function UP/DOWN key. control unit 43. - Page 32 HV- 29LPZ AUDIO CIRCUIT ADJUSTMENT " Do not touch 3. AUDIO adjustment of the SERVICE MENU as it requires no adjustment. If values had changed for the some reas on, set the initial values in the following table. 3. AUDIO(Do not adjust) Setting item Variable range fixed value...
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Page 33: Purity Adjustment
HV- 29LPZ PURITY, CONVERGENCE ADJUSTMENT PURITY ADJUSTMENT 1. Demagnetize CRT with the demagnetizer. WEDG E DYNAM IC CO NVERG ENCE ADJUSTMENT 2. Loosen the retainer screw of the deflec tion yoke. PURITY MA GNET (P) 3. Remove the wedges. 4. Input a green raster signal from the signal generator, and turn the screen to green raster. - Page 34 HV- 29LPZ STATIC CONVERGENCE ADJUSTMENT (FRONT VIEW) 1. Input a cross hatch signal. 2. Using 4-pole convergence magnets , overlap the red and blue lines in the center of the screen (Fig.1) and turn them to magenta (red/blue). 3. Using 6-pole convergence magnets, overlap the magenta (red/blue) and green lines in the c enter of the screen and turn Fig.
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Page 35: Replacement Of Chip Component
HV- 29LPZ REPLACEMENT OF CHIP COMPONENT ! CAUTIONS 1. Avoid heating for more than 3 seconds. 2. Do not rub the electrodes and the resist parts of the pattern. 3. When removing a c hip part, melt the s older adequately. 4. - Page 36 HV- 29LPZ No.52012...
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