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FILE NO. 033-200212
SERVICE MANUAL
COLOUR TELEVISION
C01P Chassis
61PH18Q
– SUMMARY –
61PH18Q is the same as 61PH18P except for the parts tabled on back of this sheet.
Use this service manual together with the original service manual of 61PH18P (File No. 030-
200114).
PUBLISHED IN JAPAN, May., 2002 So
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Table of Contents
Related Manuals for Toshiba 61PH18Q
Summary of Contents for Toshiba 61PH18Q
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Page 1: Service Manual
C01P Chassis 61PH18Q – SUMMARY – 61PH18Q is the same as 61PH18P except for the parts tabled on back of this sheet. Use this service manual together with the original service manual of 61PH18P (File No. 030- 200114). PUBLISHED IN JAPAN, May., 2002 So... -
Page 2: Replacement Parts List Differences
REPLACEMENT PARTS LIST DIFFERENCES Location Location Part No. Description Part No. Description A731 23560820 Label LF11 23103827 Chip (Ferrite Bead), TEM2120M EL, 10?F, ±20%, 50V C655 24797100 LF13 23103828 Chip (Ferrite Bead), TEM2121M C656 24591682 PF, 6800pF LF14 23103828 Chip (Ferrite Bead), TEM2121M C657 24591683 PF, 0.068?F... - Page 3 Part No. Description RF26 24011471 Chip, 470 ohm, 1/20W Y101D 23565612 Owner’s Manual, Italian, RF27 24011471 Chip, 470 ohm, 1/20W 61PH18Q RF28 24019398 Chip, 33 ohm, 1/16W Y101E 23565613 Owner’s Manual, Spanish, RF29 24019398 Chip, 33 ohm, 1/16W 61PH18Q RF30...
- Page 4 FILE NO. 030-200108 SERVICE MANUAL COLOUR TELEVISION C01P Chassis 43PH14P PRINTED IN JAPAN Jun., 2001 T...
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Page 5: Crt Assembly Replacement And Mounting
CRT ASSEMBLY REPLACEMENT AND MOUNTING CAUTION : DO NOT LOOSEN THE HEX HEAD BOLTS WITH SPRINGS (12 PCS), BECAUSE THOSE ARE FOR SEALING OF CRT COOLANT. Attention Serviceman The Hex Head Bolts with Springs. (see sketch) used on CRT assembly, are “NOT”... -
Page 6: Servicing Precautions
TO REMOVE CRT (Same procedure for R, G, B) 1. Remove CRT DRIVE Board, S. V. M. COIL and DEF. YOKE from CRT. 2. Remove Lens Assembly. 3. Detach CRT Anode Cap from CRT. Anode Cap 4. Remove CRT Assembly from CRT Mounting. CRT REPLACEMENT (Same procedure for R, G, B) Reverse the removal procedures except the followings. -
Page 7: Picture Tube Components Adjustment
WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRE- CAUTION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. PICTURE TUBE COMPONENTS ADJUSTMENT ADJUSTING PROCEDURE IN REPLACING CRT RGB FOCUS ADJUSTMENT 1. Call-up the adjustment mode (see page 10) User convergence center check Cutoff 2. -
Page 8: Tilt Adjustment
In case of warming up of more than 2 hours under a condition Note: Keep in mind that only the BLUE electric focus is ad- that the large anode current is running through the projection justed with the black cross-hatch. tube so that for example the all-white pattern appears, adjust to obtain the sharpest focus while observing the whole screen 20. - Page 9 LOCATION OF SCREEN AND FOCUS VR'S To remove the Speaker grille and Front panel. FOCUS VR's SCREEN VR's Speaker grille Front panel REPLACEMENT OF HIGH VOLTAGE CABLE 1. When replacing Anode Lead or Anode Cap with new one, remove Lead Holder from old lead as shown in ANODE LEAD figure below, and put it on new lead.
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Page 10: Service Position
WARNING : BEFORE SERVICING THIS CHASSIS, READ THE "X-RAY RADIATION PRECAUTION", "SAFETY PRE- CAUTION" AND "PRODUCT SAFETY NOTICE" ON PAGE 3 OF THIS MANUAL. SERVICE POSITION In order to assure the performance, processed wires shall be replaced after the repair work. Work procedures are as follows: 1. -
Page 11: Entering To Service Mode
SERVICE MODE 1. ENTERING TO SERVICE MODE 3) While pressing the o button, 1) Press o button once on 2) Press o button again to Remote Control. keep pressing. press MENU button on TV set. Item Data or Sound Mute (Service mode display) 2. - Page 12 4. SELECTING THE ADJUSTING ITEMS 1) Every pressing of CHANNEL s button in the service mode changes the adjustment items in the order of table-2. (t button for reverse order) Refer to table-2 for preset data of adjustment mode. (See SETTING & ADJUSTING DATA on page 27) 5.
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Page 13: Self-Diagnostic Function
8. SELF DIAGNOSTIC FUNCTION 1) Press “9” button on Remote Control during display of adjustment menu in the service mode. The diagnosis will begin to check if interface among IC’s are executed properly. 2) During diagnosis, the following displays are shown. Indicated color of mode now selected : Green and Red Indicated color of other modes : Black... -
Page 14: Design Mode
DESIGN MODE 1. ENTERING TO DESIGN MODE 1) Select the Service mode. 2) While pressing CALL button on Remote 3) Press MENU button on TV. and press MENU button on TV. ITEM Press DATA Press (Design mode) (Adjustment mode) When QA02 is initialized, items “OPT0”, “OPT1” and "OPT2" of DESIGN MODE are set to the data of the representative model of this chassis family. -
Page 15: Electrical Adjustment
ELECTRICAL ADJUSTMENT ITEM ADJUSTMENT PROCEDURE WIDTH 1. Call up the adjustment mode display, then select the item WID. (WID) 2. Press the VOLUME t button to get the picture so the left or right edges of raster begins to lack. 3. - Page 16 C01P: Series (Reference factory adjustment) – 15 –...
- Page 17 Adjustment items Adjusting methods Focus adjustment (Conditions) - User adjustment: Dynamic mode, Cinema mode - To be performed after centering magnet adjustment. - Signal : Lens: R ..Retma Pattern (PAL) G ..Crosshatch (PAL) B ..Crosshatch (PAL) Electrical focus : R ..
- Page 18 Adjustment items Adjusting methods Focus adjustment 4) Adjust the G lens focus. (Applicable only to 43PH, 42W) The method mentioned left is Watch the horizon of the left and right both ends of the screen (the range of applied to the focus adjustment circle with 100mm diameter shown in the following sketch), make optimum on the G lens adjustment of adjustments on the G lens focus, and check that the focus balance on the...
- Page 19 Adjustment items Adjusting methods Focus adjustment 4. B adjustment 1) Set to the B monochrome by lens cap. 2) Receive the image of Retma pattern. 3) Adjust the B electrical focus. Adjust by focus volume of the focus block (Z410) so that the screen center will come to optimum focus (point where the brightness gets minimized) 4) Receive the image of crosshatch pattern.
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Page 21: Screen Adjustment
CONVERGENCE ADJUSTMENT 1. SCREEN ADJUSTMENT Before proceeding to the adjustment for each screen, always The adjustment is carried out on four screens; 4 : 3 and 16 : 9 perform the adjustments for vertical size (HIT) and horizontal screens in both PAL and NTSC modes. When making the ad- size (WID) with the main deflection data changed. - Page 22 1-2. Remote Control Key o key ....Push this key twice and the set con- sole menu key to enter the service mode. Ç i F key ....Push this key and 7 key to enter and CALL TEXT cancel the convergence menu. 5 key ....
- Page 23 2. Picture a) 50 Hz mode (PAL) ..Correcting point: Horizontal 8 x Vertical 8 (Arrow marks denote correcting point) The first picture The second picture Data display Cursor (red) Screen center (Blinking) The first picture The second picture is indicated with data on top left of the first picture, therefore, convergence cannot be adjusted by this pic- Crosshatch pattern.
- Page 24 b) 60 Hz mode (NTSC) ..Correcting point: Horizontal 8 x Vertical 7 (Arrow marks denote correcting point) The first picture The second picture Data display Cursor (red) Screen center (Blinking) The first picture During this period, the changed data is transferred from RAM Q701 to E PROM Q713, and saved.
- Page 25 3. ADJUSTING PICTURE DIMENSION (GREEN PICTURE) 1.50 Hz mode (PAL) Screen center 310.5 164.5 Screen center 164.5 310.5 12×A 216.5 72.2 72.2 216.5 \ mark: center 43 inches 4:3 Screen size: Horizontal 874mm, Vertical 655mm Dimension A: 72.2mm, Dimension B: 36.5mm 2.
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Page 26: Screen And Mirror Alignments
SCREEN AND MIRROR ALIGNMENTS ASSEMBLING AND MOUNTING OF FRONT SCREEN * Please refer to MECHANICAL DISASSEMBLY page 31. CLEANING OF LENS AND MIRROR CAUTION : Do not hold the optical system parts (lens and mirror) with bare hand to avoid finger-prints on the surface of those parts. -
Page 27: Circuit Checks
CIRCUIT CHECKS HIGH VOLTAGE CHECK CAUTION: There is no HIGH VOLTAGE ADJUSTMENT on this chassis. Checking should be done following the steps below. 1. Connect an accurate high voltage meter to the anode of the picture tube. 2. Turn on the receiver. Set the BRIGHTNESS and CONTRAST to minimum (zero beam current). 3. -
Page 28: Safety Instructions
CHAPTER 2 SPECIFIC INFORMATIONS SETTING & ADJUSTING DATA SAFETY INSTRUCTIONS 43" HIGH VOLTAGE AT ZERO BEAM: 33.0 kV MAX HIGH VOLTAGE: 34.5 kV AC VOLTAGE 220~240 V Table-1 SERVICE MODE ADJUSTING ITEMS AND DATAS IN THE SERVICE MODE: Item Adjustment Reference data Item Adjustment... -
Page 29: Location Of Controls
LOCATION OF CONTROLS Front Main Switch Power (Red) Head Phone On Timer (Green) Exit (Video-3) S-Video Terminal Position Up Video-3 Position Down Menu Volume UP Volume Down Back Woofer Out Aerial Terminal Video-2 (21 pins S-Video AV) Video-1 (21 pins Full) Audio Out (Fixed) Video-3 (21 pins S-Video AV) Video-4 (Video Input) - Page 30 1 or 2 Digit Channel Selection VIDEO Teletext SIZE Picture Controls SIZE Menu Control Buttons ENTER Menu Control Buttons SELECT ENTER MENU EXIT EXIT MENU Buttons • Stereo/Bilingual • Sound Mute Volume Video Recoder Buttons to operate your Toshiba Video Recorder – 29 –...
- Page 31 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...