Related Manuals for Sony TRINITRON KV-G21L3
Summary of Contents for Sony TRINITRON KV-G21L3
- Page 1 SERVICE MANUAL MODEL COMMANDER DEST. CHASSIS NO. KV-G21L3 RM-883 BG-1S (D) MODEL SCC-J35Y-A TRINITRON CHASSIS COMMANDER DEST. CHASSIS NO. COLOR TV ®...
- Page 2 THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 – Note Measured diagonally...
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Page 3: Table Of Contents
Section Title 1. GENERAL ... 4 2. DISASSEMBLY 2-1. Rear Cover Removal ... 11 2-2. A Board Removal ... 11 2-3. Service Position ... 11 2-4. Replacement of parts ... 12 2-4-1. Replacement of Multi Button ... 2-4-2. Replacement of Light Guide and Power Button ... - Page 4 VID EO AU DIO VID EO MON ITO...
- Page 5 AUDIO VIDEO VIDEO MONITOR VIDEO AUDIO VI D EO AU D IO VID EO MO NI TO OU T...
- Page 6 AUDIO VIDEO VIDEO MONITOR COLOR SYSTEM SELECT TV SYSTEM MANUAL PROGR AUTO PROGR...
- Page 7 JUMP...
- Page 8 POWER AUTO DYNAMIC ≥ MUSIC JUMP LANGUAGE / : ENGLISH MUTING : LANGUAGE / MUTING...
- Page 9 NORMAL WIDE G o o d - b y e , J a n e G o o d - b y e , J a n e G o o d - b y e . G o o d - b y e . V-ZOOM COLOR BRIGHT...
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Page 14: Set-Up Adjustments
KV-G21L3 RM-883 The following adjustments should be made when a complete realignment is required or a new picture tube is installed. These adjustments should be performed with rated power supply voltage unless otherwise noted. Controls and switch should be set as follows unless otherwise noted: PICTURE control ... -
Page 15: Convergence
3-2. CONVERGENCE Preparation : Before starting this adjustment, adjust the focus, horizontal size and vertical size. Minimize the brightness setting. Provide dot pattern. (1) Horizontal and Vertical Static Convergence Center dot V.STAT Magnet C board 1. (Moving vertically), adjust the V.STAT magnet so that the red, green and blue points are on top of each other at the center of the screen. - Page 16 KV-G21L3 RM-883 (2) Dynamic Convergence Adjustment Preparation : Before starting this adjustment, adjust the horizontal static convergence and the vertical static convergence. 1. Slightly loosen the deflection yoke screws. 2. Remove the deflection yoke spacer. (3) Screen-corner Convergence a-d : screen-corner misconvergence 3.
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Page 17: Focus Adjustment
3-3. FOCUS ADJUSTMENT Adjust FOCUS control on the flyback transformer for the best focus. FLYBACK TRANSFORMER (T851) Note: Screen VR is not use. a. AN ITEM OF ADJUSTMENT Item Adjustment Initial DATA number item b. METHOD OF CANCELLATION FROM SERVICE MODE Set the standby condition (Press POWER button on the commander) and then press POWER button again, hereupon it... -
Page 18: Self Diagnosis Function
KV-G21L3 RM-883 If no acknowledgement is returned from a device which is turned "ON", the device has a problem. In this case, one of the LED's responding to the problem device will flicker a defined number of times. Flickering is operated by lighting the LED's for 60ss each time. The flickering frequency responding to each failed device is shown below. -
Page 19: Circuit Adjustments
5-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-883 that comes with this unit. Entering service mode With the unit on standby DISPLAY VOL (+) POWER The operation sequence puts the unit into service mode. DISP MUTING POWER REVEAL VIDEO TEXT... -
Page 20: Adjustment Method
KV-G21L3 RM-883 5-2. ADJUSTMENT METHOD Item Number 08 This explanation uses V-SHIFT as an example. 1. Select 08 V-SHIFT with the [1] and [4] buttons. 2. Raise/lower the data with the [3] and [6] buttons. 3. Select the optimum state. (The standard is 0F for PAL reception.) 4. - Page 21 Adjustment Item Table Item Adjustment Data Initial number Item range data 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–03 00–3F 00–01 00–03 00–01 00–01 00–01 00–01 00–01 00–01 00–01 00–01 00–3F 00–3F 00–7F 00–0F 00–03 00–3F 00–3F 00–7F...
- Page 22 KV-G21L3 RM-883 NOTE • Standard Data. Those are the standard data values written on the microprocessor. Therefore, the data values of the modes are stored respectively in the memory. In case of a device replacement, adjustment by rewriting the data value is necessary for some items. •...
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Page 23: A Board, Adjustment After Ic003 (Memory) Replacement
5-3. A BOARD, ADJUSTMENT AFTER IC003 (MEMORY) REPLACEMENT 1. Enter to Service Mode. 2. Press commander buttons 5 and - (Data Initialize), and 2 and - (Data Copy) to initialize the data. 3. Call each item number, and check if the respective screen shows the normal picture. - Page 24 KV-G21L3 RM-883 MEMO – 24 –...
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Page 25: Diagrams
SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAMS SYS CONTROLLER, TU, MEMORY Q1207, 1208 IF, Y/C JUNGLE, H/V OUT BUFFER POWER SUPPLY AUDIO/VIDEO INPUT Q1201, 1202, 1203 J1202 VIDEO BUFFER VIDEO IN 1 (FRONT) L (MONO) IC1210 VIDEO BUFFER IC1211 L-SW J1201 (1/2) VIDEO VIDEO VCC 1... - Page 26 KV-G21L3 RM-883 PRINTED WIRING BOARD MAIN TUNER, VIF, SIF, AV SW Y/C DECODE JUNGLE, POWER SUPPLY, DEFLECTION A BOARD – A Board – DIODE D001 IC001 D-11 D002 C-12 IC002 D003 C-10 IC003 E-10 D004 E-11 IC004 I-13 D005 IC005 E-10 D006 H-13...
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Page 27: Exploded View
SECTION 7 EXPLODED VIEW NOTE: Items with no part number and no Items marked " * " are not stocked since description are not stocked because they are seldom required for routine they are seldom required for routine service. Some delay should be service. -
Page 28: Electrical Parts List
KV-G21L3 RM-883 SECTION 8 ELECTRICAL PARTS LIST NOTE: Items marked " " are not stocked since The components identified by shading they are seldom required for routine serv- and mark ! are critical for safety. ice. Some delay should be anticipated when ordering these items. - Page 29 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION C1214 1-126-964-51 ELECT 10MF C1217 1-126-933-11 ELECT 100MF C1218 1-102-976-00 CERAMIC 180PF C1221 1-137-194-51 MYLAR 0.47MF C1226 1-126-934-11 ELECT 220MF C1228...
- Page 30 KV-G21L3 RM-883 REF.NO. PART NO. DESCRIPTION IC354 8-759-251-56 IC TDA8395T IC521 8-759-195-63 IC PQ09RE11 IC551 8-759-801-98 IC LA7830 IC601 8-749-014-00 IC STR-S6707N IC602 8-749-921-89 IC SE115N IC603 ! 8-749-010-64 PHOTO COUPLER PC123F2 IC801 8-759-145-58 IC UPC4558C IC1210 8-759-145-58 IC UPC4558C IC1211 8-759-711-23 IC NJM2234L...
- Page 31 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION R115 1-247-863-31 CARBON R116 1-247-863-31 CARBON R117 1-247-863-31 CARBON R118 1-247-863-31 CARBON R119 1-249-420-11 CARBON 1.8K R120 1-247-891-00 CARBON 330K R131...
- Page 32 KV-G21L3 RM-883 REF.NO. PART NO. DESCRIPTION R636 1-215-924-00 METAL OXIDE R801 1-215-920-11 METAL OXIDE R802 1-249-385-11 CARBON R803 1-247-839-31 CARBON R804 1-249-417-11 CARBON R805 1-247-863-31 CARBON R809 1-247-756-11 CARBON R811 1-216-343-00 METAL OXIDE R812 1-215-447-00 METAL R816 1-249-435-11 CARBON R820 1-249-419-11 CARBON R821...
- Page 33 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF.NO. PART NO. DESCRIPTION <TUNER> TU101 8-598-323-50 VSS TUNER BT-AG401 <CRYSTAL> X101 1-577-082-11 VIBRATOR, CERAMIC X300 1-411-752-11 COIL X358 1-781-132-21 VIBRATOR, CRYSTAL X443 1-567-504-11 VIBRATOR, CRYSTAL...
- Page 34 CUSHION (LOWER) (ASSY) *************************************************************** REMOTE COMMANDER ********************** 1-475-800-11 REMOTE COMMANDER (RM-883) Sony Corporation Display Company TV Display Business Asia – 48 – The components identified by shading and mark ! are critical for safety. Replace only with part number specified.