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1-10 (No.YA086)

SECTION 4

ADJUSTMENT

4.1

ADJUSTMENT PREPARATION

(1) You can make the necessary adjustments for this unit with

either the Remote Control Unit or with the adjustment tools
and parts as given below.

(2) Adjustment with the Remote Control Unit is made on the

basis of the initial setting values, however, the new setting
values which set the screen to its optimum condition may
differ from the initial settings.

(3) Make sure that AC power is turned on correctly.
(4) Turn on the power for set and test equipment before use,

and start the adjustment procedures after waiting at least
30 minutes.

(5) Unless otherwise specified, prepare the most suitable

reception or input signal for adjustment.

(6) Never touch any adjustment parts which are not specified

in the list for this adjustment - variable resistors,
transformers, condensers, etc.

(7) Presetting before adjustment.

Unless otherwise specified in the adjustment instructions,
preset the following functions with the remote control unit:

4.2

MEASURING EQUIPMENT

(1) DC voltmeter (or digital voltmeter)
(2) Signal generator (Pattern generator)

: [PAL / SECAM / NTSC]

(3) Remote control unit

4.3

ADJUSTMENT ITEM

• FOCUS ADJUSTMENT
• SCREEN ADJUSTMENT
• AGC ADJUSTMENT
• DEFLECTION CIRCUIT ADJUSTMENT
• VIDEO CIRCUIT ADJUSTMENT

4.4

ADJUSTMENT LOCATIONS

Setting item

Setting value

BRIGHTNESS

Center

CONTRAST
COLOUR
SHARPNESS
COLOUR TEMP

NORMAL

ZOOM

AUTO

FRONT

FEATURE BOX

PWB

IC750 (MEMORY)

IC752 (MI-COM)

PL409

PL4083

FBT

UPPER : FOCUS
LOWER : SCREEN

VIDEO

HEADPHONE

LED

FUSE

SIDE CONTROL

PWB

LED PWB

POWER SWITCH

PWB

AV & HEADPHONE

PWB

FRONT

TOP

FRONT

P/Ch

MAIN PWB

AV-1(SCART)
AV-2(SCART)

TUNER

TU200

Содержание AV-29QH4BU

Страница 1: ...No YA086 2005 2 COLOUR TELEVISION YA086 2005 2 AV 29QH4BU AV 29QH4SU TABLE OF CONTENTS 1 PRECAUTION 1 4 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 10 5 TROUBLESHOOTING 1 20 DVD RM C1512 VCR 1 3 2 4 6 5 7 9 8 ZOOM PICTURE MENU AV P P 0 TV ...

Страница 2: ...L 40 4MHz 6 5MHz L Colour Sub Carrier Frequency PAL SECAM NTSC 4 43MHz 4 40625MHz 4 43MHz 3 58MHz 4 43MHz Power Input AC220V AC240V 50Hz Power Consumption 130W Max 3W Standby Aerial Input Terminal 75Ω unbalanced coaxial Picture Tube Size Visible size 68cm 29 Measured diagonally H 54 1cm V 40 6cm High Voltage 31 2kV at zero bean current Speaker 5 7cm 12 6cm Oval type 2 8 0cm Round type tweeter 2 Au...

Страница 3: ...function Teletext Fastext Toptext WST It is possible to connect headphone Direct channel access APS Automatic Programming System All programs can be named Forward or backward automatic tuning Sleep timer Child Lock Blue Background Comb Filter NTSC Playback T V Link Automatic sound muting when no transmission 5 minutes after the broadcasting close down the TV switches itself automatically to stand ...

Страница 4: ...ONE PWB 3 1 7 REMOVING THE POWER SWITCH PWB Removing the REAR COVER Removing the CHASSIS 1 Remove the 2 screws G and remove the POWER SWITCH 3 1 8 REMOVING THE LED PWB Removing the REAR COVER Removing the CHASSIS Removing the POWER SWITCH PWB 1 Remove the 2 screws H and remove the LED PWB 3 1 9 REMOVING THE WOOFER TWEETER Removing the REAR COVER 1 Remove the 4 screws I and remove the WOOFER 2 Remo...

Страница 5: ... PWB LED PWB POWER SWICTH PWB AV HEADPHONE PWB SIDE CONTROL PWB x4 x8 MAIN PWB CRT SOCKET PWB FRONT CABINET SPEAKE WOOFER SPEAKE TWEETER PICTURE TUBE CHASSIS FRAME J x2 x2 I x4 G x2 H x2 D x4 C x2 F x3 E B A x2 REAR COVER BACK DOOR J ...

Страница 6: ...ress INFORMATION key to store the change value 6 Press MENU key to exit the service mode Setting item Setting value Setting item Setting value PICTURE MENU INSTALL BRIGHTNESS These adjust are automatically restored when APS bit in Service menu is set The procedure for setting APS bit is described bellow LANGUAGE ENGLISH CONTRAST COUNTRY Other COLOUR EXT 2 OUTPUT TV SHARPNESS COLOUR TEMP ZOOM HUE o...

Страница 7: ...adjustment parts which are not specified in the list for this adjustment variable resistors transformers condensers etc 7 Presetting before adjustment Unless otherwise specified in the adjustment instructions preset the following functions with the remote control unit 4 2 MEASURING EQUIPMENT 1 DC voltmeter or digital voltmeter 2 Signal generator Pattern generator PAL SECAM NTSC 3 Remote control un...

Страница 8: ...ting value 4 5 3 HOW TO EXIT SERVICE MODE 1 Press the MENU key PRODUCTION i STORE MENU EXIT H V FULL MODE V SHIFT V SIZE H SHIFT H SIZE S COR LINRT ANGLE BOW TRAPEZ PARAB U COR L COR TILT TRPZD NTSCHS TXTV HS04_3 JVC52 VIDEO WdR WdG WdB CuR CuG CuB G2Cu YDP AGC APSW APS T_T T_P YDS YDN EXT3 DVD C M 4 3 SERVICE SERVICE MENU 1 PRODUCTION i STORE MENU EXIT ADJUSTMENTS PIP CNTRST PIP YDelay PIP Frame ...

Страница 9: ... PAL I 3 SECAM B G 4 SECAM D K 5 SECAM L L 6 AUST P M FACTORY SET MENU SERVICE FATORY SETTINGS Brightness Contrast Colour Brightness Contrast Colour Brightness Contrast Colour Brightness Contrast Colour WdR WdG WdB WdR WdG WdB USER USER USER BRIGHT BRIGHT BRIGHT STANDARD STANDARD STANDARD SOFT SOFT SOFT WARM WARM WARM COOL COOL COOL FACTORY SETTINGS SERVICE MENU 1 Colour key function in the SERVIC...

Страница 10: ...rol unit SCREEN VR On the FBT 1 Press MUTING and INFORMATION key at the sametime And then press BLUE and TELETEXT key respectively Enter screen adjustment from the service mode 2 Adjust the SCREEN VR until the G2 ADJUST OK sign appears Item Measuring instrument Test point Adjustment part Description AGC adjustment Signal generator Remote control unit DC volt meter AGC 1 Receive a PAL BG signal at ...

Страница 11: ...f the adjustment becomes improper after some other geometric adjustments are done 7 Press the INFORMATION key to memorize the set value VERTICAL S CORRECTION LINEARITY adjustment Signal generator Remote control unit S COR LINRT 1 Receive a crosshatch signal 2 Enter the SERVICE MODE 3 Press the RED key to enter the H V adjustment group 4 Select S COR 5 Adjust S COR until the size of squares on both...

Страница 12: ...il vertical lines on both the left and right part of the cross hatch will be visible nor screen will be so wide 6 Check and readjust H SIZE item if the adjustment becomes improper after some other geometric adjustments are done 7 Press the INFORMATION key to memorize the set value ANGLE adjustment Signal generator Remote control unit ANGLE 1 Receive a crosshatch signal 2 Enter the SERVICE MODE 3 P...

Страница 13: ...s especially lines at the sides of the picture frame become parallel to the both sides of picture tubes as close as possible 6 Check and readjust TRAPEZ item if the adjustment becomes improper after some other geometric adjustments are done 7 Press the INFORMATION key to memorize the set value SIDE PIN adjustment Signal generator Remote control unit PARAB 1 Receive a crosshatch signal 2 Enter the ...

Страница 14: ...control unit TILT 1 Receive a crosshatch signal 2 Enter the SERVICE MODE 3 Press the RED key to enter the H V adjustment group 4 Select TILT 5 Adjust TILT to rotate the complete master clockwise and counter clockwise depending on the CRT 6 Check and readjust TRAPEZ item if the adjustment becomes improper after some other geometric adjustments are done 7 Press the INFORMATION key to memorize the se...

Страница 15: ...em if the adjustment becomes improper after some other geometric adjustments are done 7 Press the INFORMATION key to memorize the set value 4 3 TUBE adjustment Signal generator Remote control unit HS04_3 1 Receive a crosshatch signal 2 Enter the SERVICE MODE 3 Press the RED key to enter the H V adjustment group 4 Select HS04_3 5 Adjust HS04_3 to adjust the proper horizontal size of 4 3 tube 6 Pres...

Страница 16: ...e SERVICE MODE 3 Press the GREEN key to enter the VIDEO adjustment group 4 Select YDP 5 Adjust YDP until the colour transients on the colour bar pattern becomes as sharper and possible as colours between transients do not mix with each other 6 Press the INFORMATION key to memorize the set value SECAM Y DELAY adjustment Signal generator Remote control unit YDS 1 Receive a SECAM colour bar signal 2 ...

Страница 17: ...PWB CIRCUIT DIAGRAM POWER SWITCH PWB CIRCUIT DIAGRAM 2 5 PATTERN DIAGRAMS 2 25 2 27 2 29 2 30 2 30 2 31 2 32 MAIN PWB PATTERN CRT SOCKET PWB PATTERN FEATURE BOX PWB PATTERN SIDE CONTROL PWB PATTERN LED PWB PATTERN POWER SWITCH PWB PATTERN AV HEADPHONE PWB PATTERN USING P W BOARD MAIN PWB FEATURE BOX PWB CRT SOCKET PWB SIDE CONTROL PWB AV HEADPHONE PWB LED PWB POWER SWITCH PWB P W B ASS Y name PWB ...

Страница 18: ...V SCART 1 SCART 2 IC400 MSP 3452G Front_AV S1 S2 MONO IN QSS SDA IC401 TDA1308 L R HEADPHONE R L SCL C_SW SC2_R Scart2_C SVHS SVHS_Y SVHS_C C Back_V Back_A Front_V Front_A 2 150V 160V 3 3V 3 3V ST BY 8V 5V 14V audio 14V audio 2 5V ST BY 14V 22V 12 VERT VERT HORZ DRIVE EW IC600 DDP3315C IC804 SMPS MC 44608 ACTIVE PFC MC 33260 IC602 VSP9405 07 ITU656 Output TXT_CVBS 3 8 SCART2 RGB 3 S3 IC954 TDA 988...

Страница 19: ... No YA086 2 5 2 6 No YA086 MAIN PWB ASS Y 1 4 VE 20159762 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM 1 4 ...

Страница 20: ...2 8 No YA086 No YA086 2 7 MAIN PWB ASS Y 2 4 VE 20159762 MAIN PWB CIRCUIT DIAGRAM 2 4 ...

Страница 21: ... No YA086 2 9 2 10 No YA086 MAIN PWB ASS Y 3 4 VE 20159762 FBT MAIN PWB CIRCUIT DIAGRAM 3 4 ...

Страница 22: ...2 12 No YA086 No YA086 2 11 MAIN PWB ASS Y 4 4 VE 20159762 MAIN PWB CIRCUIT DIAGRAM 4 4 ...

Страница 23: ... No YA086 2 13 2 14 No YA086 FEATURE BOX PWB ASS Y 1 3 VE 20159754 FEATURE BOX PWB CIRCUIT DIAGRAM 1 3 ...

Страница 24: ...2 16 No YA086 No YA086 2 15 FEATURE BOX PWB ASS Y 2 3 VE 20159754 FEATURE BOX PWB CIRCUIT DIAGRAM 2 3 ...

Страница 25: ... No YA086 2 17 2 18 No YA086 FEATURE BOX PWB ASS Y 3 3 VE 20159754 FEATURE BOX PWB CIRCUIT DIAGRAM 3 3 ...

Страница 26: ...2 20 No YA086 No YA086 2 19 CRT SOCKET PWB ASS Y VE 20171200 LED PWB ASS Y VE 20167318 CRT SOCKET PWB CIRCUIT DIAGRAM LED PWB CIRCUIT DIAGRAM ...

Страница 27: ... No YA086 2 21 2 22 No YA086 POWER SWITCH PWB ASS Y VE 20160993 SIDE CONTROL PWB ASS Y VE 20160920 POWER SWITCH PWB CIRCUIT DIAGRAM SIDE CONTROL PWB CIRCUIT DIAGRAM ...

Страница 28: ...2 24 No YA086 No YA086 2 23 AV HEADPHONE PWB VE 20169086 AV HEADPHONE PWB CIRCUIT DIAGRAM ...

Страница 29: ... No YA086 2 25 2 26 No YA086 FRONT PATTERN DIAGRAMS MAIN PWB PATTERN ...

Страница 30: ...2 28 No YA086 No YA086 2 27 FRONT TOP FEATURE BOX PWB PATTERN ...

Страница 31: ... No YA086 2 29 2 30 No YA086 TOP TOP CRT SOCKET PWB PATTERN SIDE CONTROL SOCKET PWB PATTERN AV HEADPHONE SOCKET PWB PATTERN TOP ...

Страница 32: ... No YA086 2 31 FRONT TOP LED PWB PATTERN POWER PWB PATTERN ...

Страница 33: ...169086 3 10 POWER SWITCH P W BOARD ASS Y VE 20160993 3 10 SIDE CONTROL P W BOARD ASS Y VE 20160920 3 10 LED P W BOARD ASS Y VE 20167318 3 10 PACKING 3 11 PACKING PARTS LIST 3 11 USING P W BOARD REMOTE CONTROL UNIT P W B ASS Y name AV 29QH4BU AV 29QH4SU MAIN P W B VE 20159762 FEATURE BOX P W B VE 20159754 CRT SOCKET P W B VE 20171200 AV HEADHPONE P W B VE 20169086 POWER SWITCH P W B VE 20160993 SID...

Страница 34: ...8 VE 20173540 FRONT CABINET AV 29QH4BU 8 VE 20169089 FRONT CABINET AV 29QH4SU 9 VE 30024903 SPEAKER 8Ω 5W X2 10 VE 20153565 BUTTON FUNCTION AV 29QH4BU 10 VE 20161160 BUTTON FUNCTION AV 29QH4SU 11 VE 30024912 TWEETER 8Ω 8W X2 12 VE 20090585 CHASSIS FRAME 13 VE 20168677 BACK DOOR TERMINAL BOARD AV 29QH4BU 13 VE 20172453 BACK DOOR TERMINAL BOARD AV 29QH4SU 14 VE 20004520 CABLE HOLDER 15 VE 20153691 R...

Страница 35: ... No YA086 3 3 FEATURE BOX PWB LED PWB POWER SWICTH PWB AV HEADPHONE PWB SIDE CONTROL PWB x4 x8 MAIN PWB CRT SOCKET PWB 8 14 11 11 9 12 10 13 15 18 16 17 V01 TR101 L01 19 1 4 2 6 5 3 8 7 20 x4 ...

Страница 36: ... 30001318 DIODE D819 VE 30001285 SMD DIODE D820 VE 30001285 SMD DIODE D821 VE 30001285 SMD DIODE D822 VE 30009699 SMD ZENER DIODE D823 VE 30001285 SMD DIODE D824 VE 30009366 DIODE D826 VE 30001284 DIODE D827 VE 30007763 SMD ZENER DIODE D829 VE 30001318 DIODE D830 VE 30001285 SMD DIODE D831 VE 30001329 DIODE D951 VE 30001285 SMD DIODE D961 VE 30012411 SMD DIODE D962 VE 30001285 SMD DIODE D963 VE 30...

Страница 37: ...UF 25V M C843 VE 30000433 CER CAPACITOR 1NF 1KV M B C845 VE 30000393 EL CAPACITOR 3 3UF 50V M C846 VE 30000294 SMD CAPACITOR 100NF 50V K Ref No Part No Part Name Description Local C848 VE 30016654 SMD CAPACITOR 100NF 16V K R C850 VE 30000440 CER CAPACITOR 2 2NF 4KV M C851 VE 30000360 EL CAPACITOR 1000UF 25V M C852 VE 30012567 SMD CAPACITOR 220PF 50V J C853 VE 30012603 SMD CAPACITOR 100NF 25V K R C...

Страница 38: ...41 VE 30012657 SMD RESISTOR 1 16W 1K J R842 VE 30012641 SMD RESISTOR 1 16W 10K J R843 VE 30000466 CF RESISTOR 1 4W 1K J R845 VE 30012695 SMD RESISTOR 1 16W 470R J R847 VE 30012659 SMD RESISTOR 1 16W 2 2K J R848 VE 30012659 SMD RESISTOR 1 16W 2 2K J R849 VE 30012641 SMD RESISTOR 1 16W 10K J R850 VE 30000469 SMD RESISTOR 1 10W 1K J Ref No Part No Part Name Description Local R851 VE 30012659 SMD RESI...

Страница 39: ...TOR 22UF 50V M C440 VE 30012568 SMD CAPACITOR 270PF 50V J C441 VE 30012572 SMD CAPACITOR 390PF 50V J C444 VE 30012576 SMD CAPACITOR 56PF 50V J CH C445 VE 30012581 SMD CAPACITOR 1NF 50V K R C446 VE 30012581 SMD CAPACITOR 1NF 50V K R C447 VE 30000345 EL CAPACITOR 10UF 50V M C448 VE 30016654 SMD CAPACITOR 100NF 16V K R C449 VE 30000345 EL CAPACITOR 10UF 50V M C450 VE 30000315 SMD CAPACITOR 220NF 25V ...

Страница 40: ... 50V J C777 VE 30000345 EL CAPACITOR 10UF 50V M C778 VE 30012580 SMD CAPACITOR 820PF 50V J C779 VE 30016654 SMD CAPACITOR 100NF 16V K R Ref No Part No Part Name Description Local C781 VE 30016654 SMD CAPACITOR 100NF 16V K R C782 VE 30000413 EL CAPACITOR 4 7UF 50V M R400 VE 30012641 SMD RESISTOR 1 16W 10K J R401 VE 30012641 SMD RESISTOR 1 16W 10K J R402 VE 30012510 SMD RESISTOR 1 16W 100R J R403 VE...

Страница 41: ... J R798 VE 30012692 SMD RESISTOR 1 16W 4 7K J R801 VE 30012641 SMD RESISTOR 1 16W 10K J R806 VE 30012657 SMD RESISTOR 1 16W 1K J R807 VE 30018409 SARRAY RESISTOR 1 16W 330R J R808 VE 30018409 SARRAY RESISTOR 1 16W 330R J R809 VE 30018409 SARRAY RESISTOR 1 16W 330R J R810 VE 30018409 SARRAY RESISTOR 1 16W 330R J R811 VE 30018409 SARRAY RESISTOR 1 16W 330R J R812 VE 30018409 SARRAY RESISTOR 1 16W 33...

Страница 42: ...SISTOR 1 4W 1K J R925 VE 30000466 CF RESISTOR 1 4W 1K J R926 VE 30000779 CF RESISTOR 1 4W 68K J R927 VE 30000779 CF RESISTOR 1 4W 68K J R928 VE 30000459 CF RESISTOR 1 4W 100R J R929 VE 30000452 CF RESISTOR 1 4W 10R J R930 VE 30000707 CF RESISTOR 1 4W 47R G R931 VE 30001194 MO RESISTOR 2W 680R J R932 VE 30001245 FUSE RESISTOR 1 4W 0 47R J R933 VE 30021483 CC RESISTOR 1W 2 2K K R934 VE 30000459 CF R...

Страница 43: ...00 1100 4 VE 70000587 POLY BAG 5 VE 30021286 REMOTE CONTROL UNIT RM C1512B AV 29QH4BU 5 VE 30021287 REMOTE CONTROL UNIT RM C1512S AV 29QH4SU 6 VE 50051928 INST BOOK ENG GER FRE ITA SPA DUT POR 7 VE 50051929 INST BOOK SWE NOR DAN FIN 8 VE 50051930 INST BOOK CZE POL HUN BUL ROM 9 WARRANTY CARD BT 54013 2TK 10 BATTERY AA R06 x2 11 VE 20162887 LABEL AV 29QH4BU 11 VE 20162892 LABEL AV 29QH4SU 1 3 2 2 4...

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