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Sharp 29V-FT450S Service Manual

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29V-FT450S
In the interests of user-safety (Required by safety regulations in some countries ) the set should be restored to its
original condition and only parts identical to those specified should be used.
ELECTRICAL SPECIFICATIONS ......................................................................................................... 1
IMPORTANT SERVICE SAFETY PRECAUTION .................................................................................. 2
LOCATION OF USER'S CONTROL ..................................................................................................... 3
SER
VICE ADJUSTMENT ....................................................................................................................
TROUBLESHOOTING FLOWCHART ................................................................................................. 26
CHASSIS LAYOUT ...............................................................................................................................34
BLOCK DIAGRAM ............................................................................................................................... 35
SCHEMATIC DIAGRAMS .................................................................................................................... 38
REPLACEMENT PARTS LIST .............................................................................................................
PACKING OF THE SET .......................................................................................................................
POWER INPUT ........................................ 110~240V AC, 50/60 Hz
POWER RATING .................................................................. 138W
PICTURE SIZE ....................................... 2,193.5 cm
CONVERGENCE .................................. Self Convergence System
SWEEP DEFLECTION .................................................... Magnetic
FOCUS ............................................... Hi-Bi-Potential Electrostatic
INTERMEDIATE FREQUENCIES
Picture IF Carrier Frequency ..................................... 38.90 MHz
Sound IF Carrier Frequency ...................................... 34.40 MHz
Color Sub-Carrier Frequency .................................... 35.32 MHz
AUDIO POWER
OUTPUT RATING .............. 7.5W + 7.5W (at 10% distortion and
SHARP CORPORATION
SERVICE MANUAL
Service Manual
29V-FT95S
CONTENTS
.............................................................................................................. 4
..........................................................................................

ELECTRICAL SPECIFICATIONS

SPEAKER
SIZE ......................................................................... 8 cm round
(339sq inch)
VOICE COIL IMPEDANCE ............................... 8 ohm at 400 Hz
2
ANTENNA INPUT IMPEDANCE
VHF/UHF ..................................................... 75 ohm Unbalanced
TUNING RANGES
VHF-Channels ............................................................... 2 thru 13
UHF-Channels ............................................................ 14 thru 69
(Nominal)
Specifications are subject to change without
Dual CH Operate)
prior notice.
This document has been published to be used for after
sales service only.
The contents are subject to change without notice.
TVSM062-29V-FT450S/29V-FT95S
COLOR TELEVISION
Chassis No. GB-5
29V-FT450S
29V-FT95S
CATV Channels
...........................................................1 thru 125
29V-FT450S
29V-FT95S
Page
2 0
40
43
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  • Page 1: Table Of Contents

    29V-FT450S 29V-FT95S SERVICE MANUAL Service Manual TVSM062-29V-FT450S/29V-FT95S COLOR TELEVISION Chassis No. GB-5 29V-FT450S 29V-FT450S 29V-FT95S 29V-FT95S In the interests of user-safety (Required by safety regulations in some countries ) the set should be restored to its original condition and only parts identical to those specified should be used.

  • Page 2: Important Service Safety Precaution

    29V-FT450S/29V-FT95S 29L-FG1MX Service Manual 29L-FG1MX Market IMPORTANT SERVICE NOTES IMPORTANT SERVICE NOTES Maintenance and repairing of this receiver should be done by qualified service personnel only. SERVICE OF HIGH VOLTAGE SYSTEM AND PICTURE TUBE When servicing the high voltage system, remove static charge from it by connecting a 10K ohm resistor in series with an insulated wire (such as a test probe) between picture tube dag and 2nd anode lead.

  • Page 3: Location Of User's Control

    29V-FT450S/29V-FT95S LOCATION OF USER'S CONTROL Front Panel Note : Appearance design may vary depending on model; TIMER VIDEO / AUDIO (AV-2 IN) MAIN POWER Input Terminal Press Press again CHANNEL UP / DOWN ) Selects next higher channel ON TIMER ) Selects next lower channel.

  • Page 4: Adjustment Precaution

    29V-FT450S/29V-FT95S 29L-FG1MX Service Manual 29L-FG1MX Market ADJUSTMENT PRECAUTIONS ADJUSTMENT PRECAUTIONS This model's setting are adjusted in two different ways: through the I2C bus control and in the conventional analog manner. The adjustments via the I2C bus control include preset-only items and variable data.
  • Page 5 29V-FT450S/29V-FT95S 1) In the Service Mode, key is use to select the mode in the following order. ADJUSTMENT MODE 50Hz/60Hz RF AGC MENU button GEOMETRIC ADJ SETTING MODE 1 of R/C Picture Setting PICTURE CUT OFF/ SUB ADJ WHITE BALANCE ADJ...
  • Page 6 29V-FT450S/29V-FT95S ADJUSTMENT MODE ITEMS SEQUENCE GEOMETRIC WHITE POINT PICTURE SUB ADJ ADJ MODE ADJ MODE MODE V SLOPE DRI-RS SUB-BRI VER-SHI-F60 DRI-GS SUB-BRI-DVD VER-AMP-F60 DRI-BS SUB-COL HOR-SHI-F60 CUT-RS SUB-CON EW-W-F60 CUT-GS SUB-CON-DVD E/W-PAR-F60 DRI-RC SUB-TINT-DVD H-PAR DRI-GC SUB-TINT H-BOW DRI-BC...
  • Page 7 29V-FT450S/29V-FT95S OPTION MODE MENU ITEM SERVICE MODE EEPROM ITEM DATA INITIAL DATA SETTING DATA 0001 Option Mode Picture Tube Used Type TUBE-TYPE 0002 PIF Frequency Setting 0..7 0003 Sound M SND-M 0004 Sound DK SND-DK 0005 Sound I SND-I 0006...
  • Page 8 29V-FT450S/29V-FT95S Adjustment Mode Items Item EEPROM SETTING DATA RANGE INITIAL DATA SETTING DATA A001 RF-AGC 0…63 UOC-TV RF-AGC A002 V SLOPE 0…63 UOC-TV V SLOPE A003 VER-SHI-F50 0…63 UOC-TV VER-SHI-F50 A004 VER-AMP-F50 0…63 UOC-TV VER-AMP-F50 A005 HOR-SHI-F50 0…63 UOC-TV HOR-SHI-F50...
  • Page 9 29V-FT450S/29V-FT95S Item EEPROM SETTING DATA RANGE INITIAL DATA SETTING DATA A036 DRI-GC 0…63 UOC-TV DRI-GC A037 DRI-BC 0…63 UOC-TV DRI-BC A038 CUT-RC 0…63 UOC-TV CUT-RC A039 CUT-GC 0…63 UOC-TV CUT-GC A040 DRI-RW 0…63 UOC-TV DRI-RW A041 DRI-GW 0…63 UOC-TV DRI-GW...
  • Page 10 29V-FT450S/29V-FT95S Item EEPROM SETTING DATA RANGE INITIAL DATA SETTING DATA A071 E/W-PAR-C50 0…63 UOC-TV E/W-PAR-C50 A072 SUB-SCROLL-C 0…63 UOC-TV SUB-SCROLL-C A073 SUB-VX-C50 0…63 UOC-TV SUB-VX-C50 A074 VER-SHI-P50 0…63 UOC-TV VER-SHI-P50 A075 VER-AMP-P50 0…63 UOC-TV VER-AMP-P50 A076 HOR-SHI-P50 0…63 UOC-TV HOR-SHI-P50...
  • Page 11 29V-FT450S/29V-FT95S SETTING DATA PATTERN FOR DIFFERENT CRT SETTING EEPROM SETTING DATA ITEM SETTING DATA LG CRT MTPD CRT SAMSUNG CRT V SLOPE A002 VER-SHI-F50 A003 A004 VER-AMP-F50 A005 HOR-SHI-F50 EW-W-F50 A006 E/W-PAR-F50 A007 H-BOW A009 A010 UPCOR-PAR A011 LOCOR-PAR E/W-TRAP...
  • Page 12 29V-FT450S/29V-FT95S SETTING MODE 1 EEPROM SETTING DATA RANGE ITEM INITIAL DATA SETTING DATA V-LINCTRL 0…2 V-LINCTRL S001 UOC-TV IFPLL 0…63 IFPLL S002 UOC-TV S003 SOC1-0 0…3 UOC-TV SOC1-0 WHITE LMT 0…15 WHITE LMT S004 UOC-TV S005 UOC-TV S006 AGC0-1 0…3...
  • Page 13 29V-FT450S/29V-FT95S EEPROM SETTING DATA RANGE ITEM INITIAL DATA SETTING DATA S043 UOC-TV S044 UOC-TV S045 UOC-TV S046 RPA1-0 0…2 UOC-TV RPA1-0 RPO1-0 0…3 RPO1-0 S047 UOC-TV S048 COR1-0 0…3 UOC-TV COR1-0 S049 CRA0 UOC-TV CRA0 SPR2-0 0…6 SPR2-0 S050 UOC-TV...
  • Page 14 29V-FT450S/29V-FT95S EEPROM SETTING DATA RANGE ITEM INITIAL DATA SETTING DATA S085 VMA-CTM 0…3 UOC-TV VMA-CTM WS-CTM 0…3 WS-CTM S086 UOC-TV S087 U-COL-SOFT 0…31…62 UOC-TV U-COL-SOFT S088 U-COL-STD 0…31…62 UOC-TV U-COL-STD U-COL-DYN 0…31…62 U-COL-DYN S089 UOC-TV S090 U-CON-SOFT 0…60 UOC-TV U-CON-SOFT...
  • Page 15 29V-FT450S/29V-FT95S EEPROM SETTING DATA RANGE ITEM INITIAL DATA SETTING DATA S127 UOC-TV S128 GAIN-RED 0…127 UOC-TV GAIN-RED GAIN-GREEN 0…127 GAIN-GREEN S129 UOC-TV S130 GAIN-BLUE 0…127 UOC-TV GAIN-BLUE S131 AUTO-AGC-MAX 0…32 UOC-TV AUTO-AGC-MAX SVM2-0-NTSC 0..7 SVM2-0-NTSC S132 UOC-TV S133 IFO-TV-MODE 0…7...
  • Page 16 29V-FT450S/29V-FT95S SETTING MODE 3 ITEM EEPROM SETTING DATA RANGE INITIAL DATA SETTING DATA S301 S302 S303 BPB2 BPB2 S304 FILTBW-M 0…3 FILTBW-M S305 ID-BYBPF ID-BYBPF S306 ID-PGAIN ID-PGAIN S307 MPX-P-BW MPX-P-BW S308 FMSUB-BW FMSUB-BW S309 EIAJ-DEL 0…3 EIAJ-DEL S310 NDETPB...
  • Page 17 29V-FT450S/29V-FT95S ITEM EEPROM SETTING DATA RANGE INITIAL DATA SETTING DATA S337 BAMAMO 0…3 BAMAMO S338 BAMASUB BAMASUB S339 BAMAFC 0…15 BAMAFC S340 BASS-MV 0...31 BASS-MV S341 TREB-MV 0...31 TREB-MV S342 EQ100-MV 0...31 EQ100-MV S343 EQ300-MV 0...31 EQ300-MV S344 EQ1K-MV 0...31...
  • Page 18 29V-FT450S/29V-FT95S SHIPPING SETTING & CHECKING (1) The following default data has been factory-setting for the EEPROM. Model-Set: The data in table below (1.1), Model set overview is updated to the respective EEPROM location base on RC key input Model Set 1.
  • Page 19 29V-FT450S/29V-FT95S (1) Refer to below table (2.1) for setting of each destination. MODEL MAGNETIC FIELD (V,H)nT BACKGROUND LANGUAGE S-SYS FACTORY SET PHILIPPINES 10,000 39,000 15000K ENGLISH MODEL SET 1 Table 2.1 (2) refer to below table (2.2) for Normal setting of each AV mode.
  • Page 20 29V-FT450S/29V-FT95S ADJUSTMENT PIF ADJUSTMENT CHECKING ADJUSTMENT POINT ADJUSTMENT CONDITION / PROCEDURE WAVEFORM OR REMARKS RF-AGC (1) Receive "US 10CH HALF COLOR BAR" signal TAKE OVER POINT Signal Strength: 56 ± 1dBµV (75 ohm termination) Confirmation Voltage : 3.6 ± 0.4 VDC...
  • Page 21 29V-FT450S/29V-FT95S CONVERGENCE ADJUSTMENT ADJUSTMENT POINT ADJUSTMENT CONDITION / PROCEDURE WAVEFORM OR REMARKS CONVERGENCE ADJ (1) Receive the " Crosshatch Pattern" signal. ( To be done after the X axis purity adjustment.) (2) Using the remote controller, call NORMAL mode ( Static convergence ) Y axis 1.
  • Page 22 29V-FT450S/29V-FT95S CUT OFF, BKGD, SUB-CONT ADJUSTMENT CONTINUED ADJUSTMENT POINT ADJUSTMENT CONDITION / PROCEDURE WAVEFORM OR REMARKS WHITE BALANCE (1) Receive the internal RF monoscope pattern. BACKGROUND (2) Make the picture normal with the remote controller. I2C BUS (3) Connect the beam ammeter between terminal of R623.
  • Page 23 29V-FT450S/29V-FT95S HORIZONTAL ,VERTICAL,DEFLECTION LOOP AND ADJUSTMENT ADJUSTMENT POINT ADJUSTMENT CONDITION / PROCEDURE WAVEFORM OR REMARKS MAIN SCREEN ADJUSTMENT V-SLOPE (monoscope) Adjust V-Slope by Volume Up / Down Remote Control. Refer to Fig. 1.1. VER-AMP-F60 Adjust the overscan to 8.5% (monoscope)
  • Page 24 29V-FT450S/29V-FT95S NTSC CHROMA ADJUSTMENT ADJUSTMENT POINT ADJUSTMENT CONDITION / PROCEDURE WAVEFORM OR REMARKS SUB COLOUR (1) Receive the US10 Half Color Bar signal. (I2C BUS CONTROL) (2) Make the image normal with the remote controller Sync (3) Connect the oscilloscope to TP47R (IC851 #9).
  • Page 25 29V-FT450S/29V-FT95S FUNCTION OPERATION CHECKING (1) (VIDEO & AUDIO) ADJUSTMENT POINT ADJUSTMENT CONDITION / PROCEDURE WAVEFORM OR REMARKS CONTRAST Key (1) Receive "Monoscope Pattern" signal (2) Press to Menu mode, then select Picture Mode and set to select CONTRAST. (3) Press Volume Up/Down key to check whether the CONTRAST effect is OK or not.

  • Page 26: Troubleshooting Flowchart

    29V-FT450S/29V-FT95S 29L-FG1MX Service Manual 29L-FG1MX Market TROUBLE SHOOTING FLOWCHART NO RASTER Check CRT connector GREEN LED COLOUR ? (KY), (H) bias. (14V, 120V, 210V line) Power On by R/C Normal Abnormal Does horizontal Check R, G, B Check the 14V,...
  • Page 27 29V-FT450S/29V-FT95S NO LED LIGHT Check F4701 Normal Blown Out Replace the fuse Is the fuse again blown out ? Does STBY+5V appear at pin 4 IC752 main unit ? Check the power circuit consisting of IC701, IC702, T701 and its related parts.
  • Page 28 29V-FT450S/29V-FT95S NO NORMAL SOUND No sound No sound from the comes out at speaker. AV-out J905. Set volume to maximum. Is there any sound output signal at pin 11 & Check sound output 9 of IC301 ? signal from pin 92 &...
  • Page 29 29V-FT450S/29V-FT95S NO PICTURE Does the snow noise appear on the screen at Snow noise maximum contrast and increase brightness ? Does 5V appear Check the PC+5V line. at pin 7 of TU 51 ? Does 31V appear Check +120V line and at pin 9 of TU 51 ? its related circuit.
  • Page 30 29V-FT450S/29V-FT95S No snow noise Check pin 104 & 105 of IC 2100. Abnormal Normal Noise or signal Check TU 51 (Tuner), appear. SF 202 and its related circuit. Does AV input at Check IC 2100 and AV1 & AV2 normal ? its related circuits.
  • Page 31 29V-FT450S/29V-FT95S NO SPECIFIC COLOUR Is only RF signal's colour abnormal ? NO COLOUR COLOUR PRODUCED Check tuner TU 51, SF 202 and its related circuit. Adjust the colour Set the control at the user appropriate MENU. Does colour colour level.
  • Page 32 29V-FT450S/29V-FT95S Is some colours produced in the B/W broadcast reception ? Is the white balance Check IC 2100 properly adjusted ? & IC 851 and its related circuit including the RGB input & output line. Readjust the white balance. The picture...
  • Page 33 29V-FT450S/29V-FT95S 29L-FG1MX Service Manual 29L-FG1MX Market SOLID STATE DEVICE BASE DIAGRAM S OLID STATE DEVICE BASE DIAGRAM TOP VIEW 00K5W BC0W A50B0W D33KA5W BR24L16 FXA003W D00K5WP COLLECTOR COLLECTOR COLLECTOR BASE EMITTER BASE EMITTER BASE EMITTER D601AR RH-IXB841WJZZQ B709AR 2SC2735 SIDE VIEW...

  • Page 34: Chassis Layout

    29V-FT450S/29V-FT95S CHASSIS LAYOUT 29L-FG1MX Service Manual 29L-FG1MX Market...
  • Page 36 29V-FT450S/29V-FT95S 29L-FG1MX Service Manual 29L-FG1MX Market WAVEFORM WAVEFORMS Horizontal Rate Horizontal Rate Vertical Rate Vertical Rate Vp - p = 2.02 V Vp - p = 1.30 V Vp - p = 2.26 V Vp - p = 2.40 V...
  • Page 37 29V-FT450S/29V-FT95S 29L-FG1MX Service Manual 29L-FG1MX Market DESCRIPTION OF SCHEMATIC DIAGRAM...
  • Page 42 29V-FT450S/29V-FT95S PWB-B : CRT UNIT...

  • Page 43: Printed Wiring Board Assemblies

    29V-FT450S/29V-FT95S REPLACEMENT PARTS LIST Ref. No. Part No. Description Replacement parts which have these special safety characteristics PWB-A: DUNTKD538WEC7 MAIN UNIT identified in this manual; electrical components having such features are identified by ! And shaded areas in the Replacement Parts...
  • Page 44 29V-FT450S/29V-FT95S Ref. No. Part No. Description Ref. No. Part No. Description Peaking 10 µH PWB-A: DUNTKD538WEC7 MAIN UNIT L2013 VP-DF100K0000 Peaking 10 µH (Continued) L2014 VP-DF100K0000 Peaking 10 µH D603 RH-DX0131CEZZ DX0131CE L2100 VP-DF100K0000 D604 RH-EX0640GEZZ Zener, EX0640GE SF202 RFILCA053WJZZ...
  • Page 45 29V-FT450S/ 29V-FT95S Ref. No. Part No. Description Ref. No. Part No. Description PWB-A: DUNTKD538WEC7 MAIN UNIT C907 VCEA0A1HW106M 10, 50V EL. (Continued) C911 VCKYCY1AB105K 1, 10V Ceramic C529 VCKYCY1AB474K 0.47, 10V Ceramic C922 VCKYCY1HB183K 0.018, 50V Ceramic VCEA0A0JW338M 3300, 6.3V EL.
  • Page 46 29V-FT450S/29V-FT95S Ref. No. Part No. Description Ref. No. Part No. Description PWB-A: DUNTKD538WEC7 MAIN UNIT R319 VRS-CY1JF103J 10k, 1/16W M-Ox. (Continued) R321 VRS-CY1JF104J 100k, 1/16W M-Ox. C4924 VCEA0A1HW106M 10, 50V EL. R323 VRD-RA2BE102J 1k, 1/8W Carbon R324 VRD-RA2BE183J 18k, 1/8W Carbon...
  • Page 47 29V-FT450S/29V-FT95S Ref. No. Part No. Description Ref. No. Part No. Description PWB-A: DUNTKD538WEC7 MAIN UNIT R950 VRS-CY1JF102J 1k, 1/16W M-Ox. (Continued) R952 VRS-CY1JF102J 1k, 1/16W M-Ox. R635 VRS-CY1JF102J 1k, 1/16W M-Ox. R956 VRD-RA2BE560J 56, 1/8W Carbon R637 VRS-CY1JF563J 56k, 1/16W M-Ox.
  • Page 48 29V-FT450S/29V-FT95S Ref. No. Part No. Description Ref. No. Part No. Description PWB-A: DUNTKD538WEC7 MAIN UNIT RY701 RRLYJ0089CEZZ Relay (Continued) LHLDP1066PE00 LED Holder R4004 VRS-CY1JF152J 1.5k, 1/16W M-Ox. LX-BZ3049GEF7 Screw R4005 VRS-CY1JF222J 2.2k, 1/16W M-Ox. LX-BZ3100CEF7 Screw R4006 VRS-CY1JF152J 1.5k, 1/16W M-Ox.
  • Page 49 29V-FT450S/29V-FT95S Ref. No. Part No. Description Ref. No. Part No. Description MISCELLANEOUS PARTS CABINET PARTS QACCZA050WJPZ AC Cord CCABAB466ZE01 Front Cab Assy VSP0080PA018A Speaker (29V-FT450S) GBFL-A027WJZZ Speaker Baffle CCABAB544WEA0 Front Cab Assy LHLDK0024PEZZ AC Cord Holder (29V-FT95S) LHLDW1003PEZZ Wire Holder...

  • Page 50: Packing Of The Set

    29V-FT450S PACKING OF THE SET SSAKA0172PFZZ *Polyethylene Bag SPAKAA265WJZZ Operation Manual Batteries *Buffer Material Top Infra Red R/C Unit SSAKH0208PJZZ SPAKAA267WJZZ * Wrapping Sack *Buffer Material Rear SPAKAA266WJZZ *Buffer Material Bottom SPAKCC917WJZZ * Packing Case TLABHA114WJZZ * Packing Case USE 2 PACKING TAPES...
  • Page 51 29V-FT95S PACKING OF THE SET Polyethylene Bag Operation Manual Infrared R/C Unit Batteries Polyethylene Sheet Buffer Material FRONT Packing Case Use tape to fix the top side of packing case. REAR Use 12 staples to fix the bottom side of packing case. MARK : Not replacement items.
  • Page 52 ACKNOWLEDGEMENT TO THE FOLLOWING: ELECTRICAL GROUP ALVIN A. UGALDE Chief Engineer ANGUSTIA D.C. CALING Senior Engineer MICHAEL M. MAVINES Senior Engineer NANNIE D. TANDUG Circuit Design Engineer NOEL M. RUEDA Circuit Design Engineer JOEL F. MAHILUM Circuit Design Engineer SONNY C. VERZOSA Circuit Design Engineer...
  • Page 53 I. NAKAMURA M. GABIT A. UGALDE J. MAHILUM Noted Approved Checked Prepared Issue No. Date Received by...

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