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SERVICE MANUAL FLAT COLOUR TELEVISION YA280 2005 AV-29VX15 , AV-29VX15 AV-29VX15 , AV-29VX15 AV-2955VE BASIC CHASSIS EXIT RM-C1286 TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
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SPECIFICATION Contents AV-29VX15/G Items AV-29VX15/S AV-29VX15/U AV-2955VE AV-29VX15/L Dimensions (W × H × D) 81.2cm × 58.42cm × 52.05cm Mass 43kg 40kg 43kg (40kg from Lot #6) TV RF System B, G, I, D, K, M Colour System TV Mode PAL / SECAM / NTSC3.58 / NTSC4.43...
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MAIN CPU [MAIN PWB : IC701] PIN FUNCTION Pin name Function Pin name Function HP-R O Not used VssP2 CVBSO/PIP O CVBS / PIP output VssC4 O Not used V1.8C4 1.8V (Digital) FbiSo Flyback input/sandcastle output V3.3A3 3.3V Hout O Horizontal output VrefP_Sdac 3.3V (Positive) VssComb...
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REPLACEMENT OF MEMORY IC 3.2.1 MEMORY IC This TV uses the following memory IC. Memory IC: IC702 on MAIN PWB SERVICE MENU The memory IC memorizes data for correctly operating the video and deflection circuits. When replacing the memory IC, be sure SERVICE MENU to use the same type IC written with the initial values of data.
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3.2.3 FACTORY SETTING VALUE SETTING OF SYSTEM CONSTANT SET Setting value Setting item Setting content AV-29VX15/G AV-29VX15/S AV-29VX15/L AV-29VX15/U AV-2955VE MULTI TRIPLE THAI SYSTEM MULTI COMB TILT SUPER BASS SINGLE TEXT E/R/C/M/I LANGUAGE E/R/C/M/I E/R/A/P/F E/R/A/P/F E/R/A/P/F E/R/U E/R/U STEREO...
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SETTING OF BASIC FUNCTIONS SERVICE MENU SETTING ITEMS Setting item Setting value Setting item Setting value POWER 1. IF 1. VCO 2. DELAY POINT SUB POWER 2. V/C 1. SCREEN VOLUME 2. CUTOFF(B/G) INPUT 3. WDR(R/G/B) COLOR SYSTEM 4. BRIGHT(TV/VDO 1/2/3) SOUND SYSTEM 5.
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SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION (1) You can make the necessary adjustments for this unit with either the remote control unit or with the adjustment equipment 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 used for setting the screen to its optimum condition may differ from the initial settings.
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ADJUSTMENT LOCATIONS FRONT CONTROL PWB ASS’Y (1/2) FRONT CONTROL PWB ASS’Y (2/2) SPEAKER (L) SPEAKER (R) FRONT FRONT S805 S801 S803 J804 J803 J802 J801 S804 S806 S802 ROTATION COIL S901 CN00S CNDEG CN002 CN001 POWER CORD DEG COIL MAIN PWB ASS’Y FRONT CN001 CN00W...
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BASIC OPERATION IN SERVICE MENU Operate the SERVICE MENU with the remote control unit. 4.6.1 SERVICE MENU ITEMS With the SERVICE MENU, various settings (adjustments) can be made, and they are broadly classified in the following items of settings: 1. IF For entering/adjusting the setting values (adjustment values) of the IF circuit.
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4.6.3 SERVICE MENU FLOW CHART 1. IF SERVICE MENU SERVICE MENU IF SERVICE MENU 1. IF 2. V/C VCO (CW) ***** 3. AUDIO 4. DEF TOO HIGH 5. VSM W/B 6. STATUS 1. VCO ABOVE REFERENCE 7. PLUG & PLAY (ON) JUST REFERENCE 2.
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ADJUSTMENT PROCEDURE 4.7.1 B1 VOLTAGE Measuring Item Test point Adjustment part Description instrument B1 VOLTAGE Signal B1 (pin 1) (1) Receive a PAL black and white signal. check generator GND (pin 5) (2) Connect a DC voltmeter between B1 and GND [CN00X (between pins 1 and 5 of the connector CN00X).
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• Do not change the initial setting values of the setting (adjustment) items not listed in "ADJUSTMENT PROCEDURE". • The initial setting values in parenthesis ( ) are fixed offset values, needing no further adjustment. [AV-29VX15/G, AV-29VX15/S, AV-29VX15/L] Initial setting value Adjustment item...
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[AV-2955VE] (Applicable for the production batch from Lot #6). [AV-29VX15/U] (Applicable for the production batch from Lot #3).The CRT type used in these productions: A68QCU870X52K Initial setting value Adjustment item Variable range COMPONENT (V-2) SECAM NTSC3.58 NTSC4.43 525i 625i 1. SCREEN 0 ~ 63 2.
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Measuring Item Test point Adjustment part Description instrument WHITE Signal [2. V/C] Note: • Set PICTURE MODE (VSM) to "BRIGHT". BALANCE generator 2. CUTOFF (B) (Low light) 2. CUTOFF (G) - COMPOSITE WHITE BALANCE - adjustment Remote (1) Receive a PAL black and white signal (colour off). control unit SCREEN VR (2) Select 2.
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Measuring Item Test point Adjustment part Description instrument SUB BRIGHT Remote [2. V/C] Notes: adjustment control unit 4. BRIGHT • Proceed to the following adjustment after having completed the WHITE BALANCE (Low light) and WHITE BALANCE (High light) adjustment. • Set PICTURE MODE (VSM) to "BRIGHT". (1) Receive a PAL broadcast.
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(4) Set the initial setting value of PAL COLOUR. (5) Connect the oscilloscope between TP-47B and TP-E. (6) Adjust PAL COLOUR to set the value (A) in the figure to +29V [AV-29VX15/G, AV-29VX15/S, AV- 29VX15/L] or +28V [AV-29VX15/U, AV-2955VE]. - SECAM COLOUR -...
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(6) Connect the oscilloscope between TP-47B and TP-E. (7) Adjust NTSC 3.58 TINT to set the value (B) in the M R B figure to +7V [AV-29VX15/G, AV-29VX15/S, AV- 29VX15/L] or +2V [AV-29VX15/U, AV-2955VE]. (8) Press the [DISPLAY] key twice to return to the normal screen.
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4.7.5 AUDIO SETTING This submenu is for display only, no adjustment is required. [AV-2955VE] Function Item Setting value AUDIO 1. DC XO ADJ 2. NICAM LOWER ERR LIM 3. NICAM UPPER ERR LIM 4. A2 ID THR [ALL MODEL] Function MODE Item 100Hz...
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COMPRESS: OFF (4:3) Measuring Item Test point Adjustment part Description instrument V. SLOPE Signal [4. DEF] - PAL V. SLOPE - adjustment generator 2. V-SLOPE (1) Receive a PAL circle pattern signal of vertical frequency 50Hz. Remote (2) Select 4. DEF from the SERVICE MENU. control unit (3) Select 2.
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Measuring Item Test point Adjustment part Description instrument H. WIDTH Signal [4.DEF] - PAL H. WIDTH - adjustment generator 5. H-SIZE (1) Receive a PAL crosshatch signal. (2) Select 5. H-SIZE. Remote (3) Set the initial setting value of 5. H-SIZE. control unit (4) Adjust 5.
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Measuring Item Test point Adjustment part Description instrument V.LINEARITY Signal [4. DEF] - PAL V. LINEARITY - adjustment generator 12. V-S. CR (1) Receive a PAL crosshatch signal. 13. V-LIN (2) Select 12. V-S.CR. Remote (3) Set the initial setting value of 12. V-S. CR. control unit (4) Select 13.
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Measuring Item Test point Adjustment part Description instrument H. BOW Signal [4.DEF] - PAL H. BOW - adjustment generator 11. BOW (1) Receive a PAL crosshatch signal. (2) Select 11. BOW. Remote (3) Set the initial setting value of 11. BOW. control unit (4) Adjust 11.
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Measuring Item Test point Adjustment part Description instrument SIDE PIN Signal [4. DEF] - PAL SIDE PIN - adjustment generator 7. EW-PIN (1) Receive a PAL crosshatch signal. (2) Select 7. EW-PIN. Remote (3) Set the initial setting value of 7. EW-PIN. control unit (4) Adjust 7.
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VIDEO - 2 SET: COMPONENT Measuring Item Test point Adjustment part Description instrument H. POSITION Signal [4. DEF] (1) Receive a PAL circle pattern signal to VIDEO-2 adjustment generator 4. H-CENT component terminal. (2) Select VIDEO-2 SET from the MENU and set Remote VIDEO-2 SET to COMPONENT.
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4.7.8 PURITY AND CONVERGENCE PURITY ADJUSTMENT Note: The final adjustment of CONVERGENCE must be done after WEDGE DEFLECTION the FOCUS adjustment. (CONVERGENCE is changed by YOKE FOCUS adjustment.) When makes difference by FOCUS adjustment, should be reconfirming PURITY adjustment. (1) Demagnetize CRT with the demagnetizer. P / C (2) Loosen the retainer screw of the deflection yoke.
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STATIC CONVERGENCE ADJUSTMENT (1) Input a crosshatch signal. (2) Using 4-pole convergence magnets, overlap the red and blue lines in the centre of the screen (Fig.1) and turn them (FRONT VIEW) to magenta (red/blue). (3) Using 6-pole convergence magnets, overlap the magenta (red/blue) and green lines in the centre of the screen and turn them to white.
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SECTION 5 TROUBLESHOOTING SELF CHECK FUNCTIONS 5.1.1 OUTLINE This model has self check functions given below. When an abnormality has been detected, the SUB POWER is turned off and POWER LED flashes to inform of the failure. An abnormality is detected by the signal input state of the control line connected to the microcomputer.
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AV-29VX15 , AV-29VX15 , AV-29VX15 AV-29VX15 , AV-2955VE STANDARD CIRCUIT DIAGRAM NOTE ON USING CIRCUIT DIAGRAMS 1.SAFETY Type No indication : Ceramic capacitor The components identified by the symbol and shading are : Metalized mylar capacitor critical for safety. For continued safety replace safety ciritical : Polypropylene capacitor components only with manufactures recommended parts.
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USING P.W.BOARD ................................ 2-2 BLOCK DIAGRAM ................................2-3 CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM [AV-29VX15/G, AV-29VX15/S, AV-29VX15/L, AV-2955VE] (1/2) ......2-5 MAIN PWB CIRCUIT DIAGRAM [AV-29VX15/G, AV-29VX15/S, AV-29VX15/L, AV-2955VE] (2/2) ......2-7 MAIN PWB CIRCUIT DIAGRAM [AV-29VX15/U] (1/2) ....................2-9 MAIN PWB CIRCUIT DIAGRAM [AV-29VX15/U] (2/2) ....................
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BLOCK DIAGRAM MAIN PWB IC701 MAIN MICRO COMPUTER IC351 IF VIDEO RGB SYNC DEF. PROCESS RGB OUT 108,109 SCL1, SDA1 I 2 C IC702 127,128 SCL0, SDA0 MICRO MAIN MEMORY Q208,Q209 DIGITAL SIGNAL PROCESS COMPUTER ROTATION VM OUT TU001 COIL 98,99 TUNER REMOTE...
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FRONT CONTROL FRONT CONTROL CIRCUIT DIAGRAMS PWB ASS'Y PWB ASS'Y CN001 CN002 MAIN PWB CIRCUIT DIAGRAM [AV-29VX15/G, AV-29VX15/S, AV-29VX15/L, AV-2955VE] (1/2) CRT SOCKET PWB ASS'Y CN00T CN00C CN001 CN002 CN00T QGF1220C2-09 QGF1220C2-19 QGA2501C5-06Z QJK002-083633 D341 R816 C1_GND D342 R341 SDA1...
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VOLTAGE CHARTS WAVEFORMS <MAIN PWB> <CRT SOCKET PWB> <FRONT CONTROL PWB> -MAIN PWB- MODE MODE MODE MODE MODE MODE DC (V) DC (V) DC (V) DC (V) DC (V) DC (V) PIN NO. PIN NO. PIN NO. PIN NO. PIN NO. PIN NO.
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PARTS LIST CAUTION The parts identified by the symbol are important for the safety . Whenever replacing these parts, be sure to use specified ones to secure the safety. The parts not indicated in this Parts List and those which are filled with lines --- in the Parts No. columns will not be supplied. P.W.
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PRINTED WIRING BOARD PARTS LIST [AV-29VX15/G] MAIN P.W. BOARD ASS'Y (SCW-1742A-H2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D710 MA8091/H/-X Z DIODE D711 MA111-X SI DIODE IC401 LA78041 D712 MA111-X SI DIODE...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C554 QEHR1EM-108Z E CAPACITOR 1000uF 25V M C770 NCB31CK-104X C CAPACITOR 0.1uF 16V K C555 QFLC2AJ-103Z M CAPACITOR 0.01uF 100V J C772 NCB31CK-224X C CAPACITOR 0.22uF 16V K C571 QETM2CM-227...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R411 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R728 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R412 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R729 NRSA63J-472X MG RESISTOR 4.7kΩ...
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CRT SOCKET P.W. BOARD ASS'Y (SCW-3024A-H2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R936 QRZ9017-2R2 FUSI RESISTOR 2.2Ω 1/4W J R937 QRE121J-820Y C RESISTOR 82Ω 1/2W J IC351 TDA6107AJF/N1 R951 QRE121J-103Y C RESISTOR 10kΩ...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local L351 QQL244J-5R6Z COIL 5.6uH J R961 NRSA63J-223X MG RESISTOR 22kΩ 1/16W J FR201 QRZ9021-561 FUSI RESISTOR 560Ω 1W J L401 QQL244K-820Z PEAKING COIL 82uH K K201 QQR1114-001Z FERRITE BEADS...
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PRINTED WIRING BOARD PARTS LIST [AV-29VX15/S] MAIN P.W. BOARD ASS'Y (SCW-1765A-H2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D710 MA8091/H/-X Z DIODE D711 MA111-X SI DIODE IC401 LA78041 D712 MA111-X SI DIODE IC601 AN5277 D713...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C554 QEHR1EM-108Z E CAPACITOR 1000uF 25V M C770 NCB31CK-104X C CAPACITOR 0.1uF 16V K C555 QFLC2AJ-103Z M CAPACITOR 0.01uF 100V J C772 NCB31CK-224X C CAPACITOR 0.22uF 16V K C571 QETM2CM-227...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R411 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R728 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R412 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R729 NRSA63J-472X MG RESISTOR 4.7kΩ...
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CRT SOCKET P.W. BOARD ASS'Y (SCW-3024A-H2) Ref No. Part No. Part Name Description Local REFER TO PARTS LIST IN PAGE 3-9 FOR THIS P.W. BOARD. R936 QRZ9017-2R2 FUSI RESISTOR 2.2Ω 1/4W J R937 QRE121J-820Y C RESISTOR 82Ω 1/2W J R951 QRE121J-103Y C RESISTOR 10kΩ...
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PRINTED WIRING BOARD PARTS LIST [AV-29VX15/L] MAIN P.W. BOARD ASS'Y (SCW-1744A-H2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D710 MA8091/H/-X Z DIODE D711 MA111-X SI DIODE IC401 LA78041 D712 MA111-X SI DIODE IC601 AN5277 D713...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C554 QEHR1EM-108Z E CAPACITOR 1000uF 25V M C770 NCB31CK-104X C CAPACITOR 0.1uF 16V K C555 QFLC2AJ-103Z M CAPACITOR 0.01uF 100V J C772 NCB31CK-224X C CAPACITOR 0.22uF 16V K C571 QETM2CM-227...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R411 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R728 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R412 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R729 NRSA63J-472X MG RESISTOR 4.7kΩ...
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CRT SOCKET P.W. BOARD ASS'Y (SCW-3024A-H2) Ref No. Part No. Part Name Description Local REFER TO PARTS LIST IN PAGE 3-9 FOR THIS P.W. BOARD. R936 QRZ9017-2R2 FUSI RESISTOR 2.2Ω 1/4W J R937 QRE121J-820Y C RESISTOR 82Ω 1/2W J R951 QRE121J-103Y C RESISTOR 10kΩ...
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PRINTED WIRING BOARD PARTS LIST [AV-29VX15/U] MAIN P.W. BOARD ASS'Y (SCW-1745A-H2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D704 MA8091/H/-X Z DIODE D706 MA8036-X Z DIODE IC401 LA78041 D707 MA111-X SI DIODE IC601 AN5277 D708...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C531 QEZ0195-475Z BP E CAPACITOR 4.7uF 50V M C763 NCB31CK-224X C CAPACITOR 0.22uF 16V K C532 QETN2EM-106Z E CAPACITOR 10uF 250V M C764 NCB31CK-104X C CAPACITOR 0.1uF 16V K C551...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R315 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R715 NRSA63J-391X MG RESISTOR 390Ω 1/16W J R316 NRSA63J-0R0X MG RESISTOR 0Ω 1/16W J R716 NRSA63J-562X MG RESISTOR 5.6kΩ...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R901 QRF154K-2R2 UNF WW RESISTOR 2.2Ω 15W K LC802 QQR1199-002 EMI FILTER R907 QRL039J-473 OMF RESISTOR 47kΩ 3W J LC803 QQR1199-002 EMI FILTER R922 QRL039J-273 OMF RESISTOR 27kΩ...
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PRINTED WIRING BOARD PARTS LIST [AV-2955VE] MAIN P.W. BOARD ASS'Y (SCW-1766A-H2) Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local D710 MA8091/H/-X Z DIODE D711 MA111-X SI DIODE IC401 LA78041 D712 MA111-X SI DIODE IC601 AN5277 D713...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local C554 QEHR1EM-108Z E CAPACITOR 1000uF 25V M C770 NCB31CK-104X C CAPACITOR 0.1uF 16V K C555 QFLC2AJ-103Z M CAPACITOR 0.01uF 100V J C772 NCB31CK-224X C CAPACITOR 0.22uF 16V K C571 QETM2CM-227...
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Ref No. Part No. Part Name Description Local Ref No. Part No. Part Name Description Local R411 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R728 NRSA63J-101X MG RESISTOR 100Ω 1/16W J R412 NRSA63J-472X MG RESISTOR 4.7kΩ 1/16W J R729 NRSA63J-472X MG RESISTOR 4.7kΩ...
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CRT SOCKET P.W. BOARD ASS'Y (SCW-3024A-H2) Ref No. Part No. Part Name Description Local REFER TO PARTS LIST IN PAGE 3-9 FOR THIS P.W. BOARD. R936 QRZ9017-2R2 FUSI RESISTOR 2.2Ω 1/4W J R937 QRE121J-820Y C RESISTOR 82Ω 1/2W J R951 QRE121J-103Y C RESISTOR 10kΩ...