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SERVICE MANUAL

MODEL
COMMANDER DEST.
KV-J21MF1AK
RM-883
KV-J21MF3
RM-883
KV-J21MN1AK
RM-883
KV-J21PF1
RM-883
CHASSIS NO.
MODEL
India
SCC-K67K-A
India
SCC-K76F-A
India
SCC-K67L-A
India
SCC-K67G-A
BG-1S (D)
COMMANDER DEST. CHASSIS NO.
TRINITRON
CHASSIS
COLOR TV
®

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Summary of Contents for Sony TRINITRON KV-J21MF1AK

  • Page 1: Service Manual

    SERVICE MANUAL BG-1S (D) CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-J21MF1AK RM-883 India SCC-K67K-A KV-J21MF3 RM-883 India SCC-K76F-A KV-J21MN1AK RM-883 India SCC-K67L-A KV-J21PF1 RM-883 India SCC-K67G-A TRINITRON COLOR TV ®...
  • Page 2 CARBON PAINTED ON THE CRT, AFTER REMOVING THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE ANODE. THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUP- PLEMENTS PUBLISHED BY SONY. – 2 –...
  • Page 3: Table Of Contents

    7. EXPLODED VIEW 3-1. Beam Landing ............7-1. Chassis ..............3-2. Convergence ............7-2. 3D Speaker (KV-J21MF1AK/J21MN1AK only) 3-3. Focus Adjustment ..........8. ELECTRICAL PARTS LIST ........3-4. G2 (Screen) and White Balance Adjustments ..4. SELF DIAGNOSIS FUNCTION ......
  • Page 4: General

    The operating instructions mentioned here are partial abstracts from the Operating Instructions Manual. The page numbers of the Operating GENERAL Instruction Manual remain as in this manual. TV SYSTEM AUTO PROGR p KV-J21MF1AK/J21MN1AK/ J21MF3 TV SYSTEM AUTO PROGR p KV-J21MF1AK/J21MN1AK...
  • Page 5 L (MONO) Connecting the 3D WOOFER to video and audio outputs p KV-J21MF1AK/J21MN1AK only : Signal flow Attach the 3D WOOFER into the foothold on the top of the TV. When using the video input jacks Do not connect video equipment to the video input jacks at the front and the rear of your TV simultaneously; otherwise the picture will Connect the wires to the 3D WOOFER (8Ω) terminals at the rear of the TV.
  • Page 6 Press SELECT until “MANUAL PROGRAM” MANUAL PROGR AUTO PROGR appears. Notes (KV-J21MF1AK/J21MN1AK/J21MF3 only) • If you do not know your local TV system, consult your nearest Press POWER to turn on the TV. SELECT authorized service center or dealer.
  • Page 7 Operations If you are not satisfied with the picture Watching the TV Turning off the TV and sound quality To turn off the TV temporarily Press POWER on the remote commander. The You may be able to further improve the picture and STANDBY indicator on the TV lights up.
  • Page 8 Wake Press SELECT until the screen appears as Up Timer, select the TV program or video follows: Notes (KV-J21MF1AK/J21PF1/ input. • To unlock the program position, repeat steps 1 to 3 as above J21MF3) (KV-J21MN1AK) SELECT until “LOCKED”...
  • Page 9 • If you change the picture and sound mode after the following programs through the ˘ (antenna) terminal adjustments, the adjustment changes in accordance with the Change the “TV SYSTEM” setting (for KV-J21MF1AK/ picture and sound mode. J21MN1AK/J21MF3 only) in the on-screen display until the Operations sound becomes clear.
  • Page 10: Troubleshooting

    / Check the antenna connection on the TV and on the wall. / Check the TV SYSTEM setting / Adjust the COLOR level in the on-screen (KV-J21MF1AK/J21MN1AK/J21MF3 only). display. / Check the COLOR SYSTEM setting. Dotted lines or stripes TV cannot receive stereo signal / Press A/B/ENLARGE until “AUTO”...
  • Page 11: Disassembly

    SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-3. SERVICE POSITION A board 2 Two screws (BVTP 4×16) One screw (BVTP 3×16) 1 Two screws (BVTP 4×16) 2-2. A BOARD REMOVAL Lever Lever A board...
  • Page 12: Replacement Of Parts

    2-4. REPLACEMENT OF PARTS 2-5. DEMAGNETIZATION COIL REMOVAL For replacement of the Multi Button, Power Button and Light Guide, cut the welded portions from them, exchange with the new parts, and fix them with screws (+BVTP) respectively. 2-4-1. REPLACEMENT OF MULTI BUTTON 1 Demagnetization coil 2 Tension spring Two screws...
  • Page 13: Picture Tube Removal

    2-6. PICTURE TUBE REMOVAL 3 C board 6 VM board (Except for KV-J21PF1) 4 Deflection yoke 2 A board 5 Four screws (Tapping screws) 2 Using a thumb press down, then pull up the rubber cap firmly in the direction indicated by the arrow b.
  • Page 14: Set-Up Adjustments

    KV-J21MF1AK/J21MF3 SECTION 3 KV-J21MN1AK/J21PF1 RM-883 SET-UP ADJUSTMENTS • The following adjustments should be made when a complete Perform the adjustments in the following order: realignment is required or a new picture tube is installed. 1. Beam Landing • These adjustments should be performed with rated power 2.
  • Page 15: Convergence

    KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 RM-883 • 3-2. CONVERGENCE Operation of V.STAT magnet. If the V.STAT magnet is moved in the direction of the a and Preparation : • b arrows, the red, green and blue dots move as shown below. Before starting this adjustment, adjust the focus, horizontal size, and vertical size.
  • Page 16 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 RM-883 (2) Dynamic Convergence Adjustment Preparation : • Before starting this adjustment, adjust the horizontal static 3. Move the deflection yoke as shown in the figure below and convergence and the vertical static convergence. optimize the convergence. 1. Slightly loosen the deflection yoke screws.
  • Page 17: Focus Adjustment

    KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 RM-883 DATA 3-3. FOCUS ADJUSTMENT Adjust FOCUS control on the flyback transformer for the best SERVICE focus. Adjustment Item Item number WRITE MUTING Executes the writing FOCUS SCREEN (NOT USED) 3-4. G2 (SCREEN) AND WHITE BALANCE Note: Screen VR is not use.
  • Page 18: Self Diagnosis Function

    KV-J21MF1AK/J21MF3 SECTION 4 KV-J21MN1AK/J21PF1 RM-883 SELF DIAGNOSIS FUNCTION 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.
  • Page 19: Circuit Adjustments

    KV-J21MF1AK/J21MF3 SECTION 5 KV-J21MN1AK/J21PF1 RM-883 CIRCUIT ADJUSTMENTS 5-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-883 that comes with this unit. [1], [4] Raise/lower the service item number [3], [6] Raise/lower the data [MUTING] Writes Entering service mode...
  • Page 20: Adjustment Method

    KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 RM-883 5-2. ADJUSTMENT METHOD Item Number 08 Use the same method for Items Number 00-4B. Use [1] and [4] to This explanation uses V-SHIFT as an example. select the adjustment item, use [3] and [6] to adjust, write with 1.
  • Page 21 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 RM-883 Adjustment Item Table (For KV-J21MF1AK/J21MF3/J21PF1) Item Adjustment Data Initial Standard data Note Device number Item range data 00–3F 50/60Hz H SHIFT TDA8375 00–3F 50/60Hz H SIZE TDA8375 00–3F 50/60Hz PIN AMPLITUDE TDA8375 00–3F 50/60Hz CORNER PIN TDA8375 00–3F...
  • Page 22 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 RM-883 Adjustment Item Table (For KV-J21MN1AK) Data Item Adjustment Initial Standard data Note Device number Item range data 00–3F H SHIFT TDA8375 00–3F H SIZE TDA8375 00–3F PIN AMPLITUDE TDA8375 00–3F CORNER PIN TDA8375 00–3F TILT TDA8375 00–3F...
  • Page 23 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 RM-883 Item Adjustment Data Initial Standard data Note Device number Item range data 00–0F TEXT PICTURE SAA5281 00–0F TEXT MIX MODE PICTURE SAA5281 00–3F BLK OFF PICTURE µ-CON 00–3F H BLK LEFT WIDTH µ-CON 00–3F H BLK RIGHT WIDTH µ-CON...
  • Page 24 0=Interlace 1=interlace, TEXT Mode 0=interlace 1=Interlace • 29. ABL (For KV-J21MF1AK/J21MF3/J21PF1) • 42. ABL (For KV-J21MN1AK): Bright ABL ON/OFF ON=1 OFF=0 • 31. OP0 • 32. OP1 • 33. OP2 (For KV-J21MF1AK/J21MF3/J21PF1) • 49. OP0 • 4A. OP1 • 4B. OP2 (For KV-J21MN1AK) Input data are different according to models.
  • Page 25: A Board Adjustment After Ic003 (Memory) Replacement

    KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 RM-883 5-3. A BOARD ADJUSTMENT AFTER IC003 5-4. PICTURE DISTORTION ADJUSTMENT (MEMORY) REPLACEMENT Item Number 00 – 08 1. Enter to Service Mode. HSF (H SHIFT) 00 HSF (H SHIFT) 2. Press commander buttons [5] and [0] (Data Initialize), and [2] and [0] (Data Copy) to initialize the data.
  • Page 26 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 RM-883 MEMO ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○...
  • Page 27: Diagrams 6-1. Block Diagram

    VM BOARD, COMPLETE (KV-J21MF1AK/J21MN1AK) 4-369-318-71 SPRING, TENSION ! 1-409-942-11 COIL, DEMAGNETIZATION 4-049-416-11 BLIND, SHEET ! X-4035-536-1 REAR COVER ASSY (KV-J21MF1AK/J21MN1AK) ! X-4034-556-1 REAR COVER ASSY (KV-J21MF3/J21PF1) 21 4-049-130-21 CLAMP, CODE * 4-060-125-01 GUIDE (L), PWB * 4-060-126-01 GUIDE (R), PWB...
  • Page 28: Speaker (Kv-J21Mf1Ak/J21Mn1Ak Only)

    KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 RM-883 7-2. 3D Speaker (KV-J21MF1AK/J21MN1AK only) L : BVTP4 × 16 7-685-663-71 REF.NO. PART NO. DESCRIPTION REMARK A-1501-280-A BOX ASSY, SPEAKER 1-505-892-11 SPEAKER (10CM) – 61 –...
  • Page 29: Electrical Parts List

    COILS please include the board name. • MMH : µH, UH : µH REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK * A-1298-554-A A BOARD, COMPLETE (KV-J21MF1AK) C061 1-125-800-51 ELECT 2.2MF ********************* C072 1-126-935-11 ELECT 470MF * A-1298-552-A A BOARD, COMPLETE (KV-J21MN1AK)
  • Page 30 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. KV-J21MF1AK KV-J21MN1AK REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK C310 1-136-165-00 FILM 0.1MF C501...
  • Page 31: Circuit Boards Location

    D852 8-719-028-72 DIODE RGP02-17EL-6433 D853 8-719-302-43 DIODE EL1Z D855 8-719-302-43 DIODE EL1Z <FILTER> D857 8-719-908-03 DIODE GP08D CF55 1-567-099-00 FILTER, CERAMIC (KV-J21MF1AK) D858 8-719-908-03 DIODE GP08D D860 8-719-911-19 DIODE 1SS119-25 D901 8-719-054-60 DIODE LNK0220022G D1201 8-719-121-24 DIODE RD9.1ESL D1202 8-719-121-24 DIODE RD9.1ESL...
  • Page 32 8-729-029-92 TRANSISTOR DTC143ESA Q210 8-729-029-92 TRANSISTOR DTC143ESA Q301 8-729-029-66 TRANSISTOR DTC114ESA <IC> Q302 8-729-119-78 TRANSISTOR 2SC2785-HFE IC001 8-752-889-58 IC CXP85220A-055S (KV-J21MF1AK) Q303 8-729-119-78 TRANSISTOR 2SC2785-HFE IC001 8-752-893-68 IC CXP85224A-062S (KV-J21MN1AK) Q401 8-729-119-78 TRANSISTOR 2SC2785-HFE (KV-J21MN1AK) IC002 8-759-805-37 IC L78LR05D-MA Q402...
  • Page 33 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. KV-J21MF1AK KV-J21MN1AK REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <RESISTOR> R180 1-249-409-11 CARBON 1/4W...
  • Page 34 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. KV-J21MF1AK KV-J21MN1AK REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R402 1-249-433-11 CARBON 1/4W R616...
  • Page 35: Schematic Diagrams And Printed Wiring Boards . 31 (1) Schematic Diagrams Of A3, C And K1 Boards

    KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. KV-J21MF1AK KV-J21MN1AK (KV-J21MF3) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R911 1-249-428-11 CARBON 8.2K...
  • Page 36 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21MF3) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK C018 1-102-973-00 CERAMIC 100PF C247 1-126-942-61...
  • Page 37 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21MF3) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK C403 1-126-968-11 ELECT 100MF C821 1-104-999-11 MYLAR 0.1MF...
  • Page 38 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21MF3) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK CN613 1-695-915-11 TAB (CONTACT) D853 8-719-302-43...
  • Page 39 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21MF3) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <JACK> Q1207 8-729-119-79 TRANSISTOR 2SC2785-FEK Q1208...
  • Page 40 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21MF3) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R116 1-249-433-11 CARBON 1/4W R355 1-249-393-11...
  • Page 41 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21MF3) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R628 1-249-417-11 CARBON 1/4W R1207 1-249-437-11...
  • Page 42 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21MF3) (KV-J21PF1) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <TRANSFORMER> C052 1-136-165-00 FILM 0.1MF...
  • Page 43: Schematic Diagram Of A Board

    KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21PF1) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK C313 1-125-804-51 ELECT 100MF C605 1-161-830-00 CERAMIC 0.0047MF...
  • Page 44 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21PF1) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK D103 8-719-016-42 DIODE MC932 C1203 1-136-165-00 FILM 0.1MF...
  • Page 45 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21PF1) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <FUSE CLIP> Q210 8-729-029-92 TRANSISTOR DTC143ESA...
  • Page 46 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21PF1) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R062 1-220-961-81 METAL 2.2K 1/2W R322...
  • Page 47 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21PF1) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK R616 1-247-289-00 CARBON 8.2M R911 1-249-428-11 CARBON 8.2K...
  • Page 48: Schematic Diagrams Of A11, A12, K And Vm Boards

    KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21MN1AK only) (KV-J21PF1) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <SPARK GAP> C1222 1-164-004-11 CERAMIC CHIP 0.1MF...
  • Page 49 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. (KV-J21MN1AK only) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK FB1203 1-412-911-31 FERRITE R1207 1-216-053-00 RES,CHIP 1.5K...
  • Page 50 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Except for Replace only with part number specified. KV-J21MF3 REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK * A-1294-197-A A11 BOARD, COMPLETE...
  • Page 51 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. Replace only with part number specified. Except for (KV-J21MF3) KV-J21MF3 REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK <DIODE> <DIODE> D1209 8-719-121-24 DIODE RD9.1ESL...
  • Page 52 Q705 8-729-326-11 TRANSISTOR 2SC2611 Q706 8-729-326-11 TRANSISTOR 2SC2611 Q707 8-729-200-17 TRANSISTOR 2SA1091-O * A-1380-580-A K BOARD, COMPLETE Q708 8-729-200-17 TRANSISTOR 2SA1091-O (KV-J21MF1AK/J21MN1AK ONLY) ********************* Q709 8-729-200-17 TRANSISTOR 2SA1091-O Q710 8-729-119-78 TRANSISTOR 2SC2785-HFE 4-352-844-01 PIN, LEAD, COATING Q711 8-729-119-78 TRANSISTOR 2SC2785-HFE...
  • Page 53 REF. NO. PART NO. DESCRIPTION REMARK C1527 1-136-165-00 FILM 0.1MF * A-1380-581-A K1 BOARD, COMPLETE C1528 1-126-953-11 ELECT 2200MF (KV-J21MF1AK/J21MN1AK ONLY) C1529 1-126-953-11 ELECT 2200MF ********************** <CONNECTOR> <CONNECTOR> CN1501* 1-564-508-11 PLUG, CONNECTOR 5P CN1502* 1-564-507-11 PLUG, CONNECTOR 4P CN3251* 1-564-506-11...
  • Page 54 KV-J21MF1AK/J21MF3 KV-J21MN1AK/J21PF1 The components identified by shading RM-883 and mark ! are critical for safety. VM ( Replace only with part number specified. KV-J21MF1AK KV-J21MN1AK (KV-J21MF3) REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. DESCRIPTION REMARK L1723 1-414-182-11 INDUCTOR 6.8UH...
  • Page 55 1-249-412-11 CARBON 1/4W 1-503-902-11 SPEAKER R1723 1-249-407-11 CARBON 1/4W 1-505-892-11 SPEAKER (10CM) R1724 1-249-407-11 CARBON 1/4W (KV-J21MF1AK/J21MN1AK ONLY) ! 1-574-062-61 R1725 1-249-412-11 CARBON 1/4W CORD, POWER (WITH CONNECTOR) 2.5A/250V ! 1-900-700-05 LEAD ASSY, FOCUS R1727 1-247-843-11 CARBON 3.3K 1/4W R1728...

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