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SERVICE MANUAL
MODEL
COMMANDER
KV-HF21M80
RM-952
DEST. CHASSIS NO.
MODEL
Vietnam SCC-U28EA-A
BG-3S
COMMANDER DEST. CHASSIS NO.
TRINITRON
CHASSIS
COLOR TV
®

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   Summary of Contents for Sony KV-HF21M80

  • Page 1 SERVICE MANUAL MODEL COMMANDER KV-HF21M80 RM-952 Vietnam SCC-U28EA-A DEST. CHASSIS NO. MODEL TRINITRON BG-3S CHASSIS COMMANDER DEST. CHASSIS NO. COLOR TV ®...
  • Page 2: Specifications

    COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON 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.
  • Page 3: Table Of Contents

    (3) Schematic Diagram of C3 Board ... 54 (4) Schematic Diagram of F Board ... 57 5-5. Semiconductors ... 59 6. EXPLODED VIEW 6-1. Chassis ... 61 7. ELECTRICAL PARTS LIST – 3 – KV-HF21M80 RM-952 Title Page ... 63...
  • Page 4: Self Diagnostic Function

    KV-HF21M80 RM-952 The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER lamp will automatically begin to flash. The number of times the lamp flashes translates to a probable source of the problem. A definition of the STANDBY/TIMER lamp flash indicators is listed in the instruction manual for the user’s knowledge and reference.
  • Page 5 Turn off the power switch on the TV main unit or unplug the power cord from the outlet to stop the STANDBY/TIMER lamp from flashing. 2 times 5 times Lamp OFF 3 sec. STANDBY/SLEEP lamp – 5 – KV-HF21M80 RM-952...
  • Page 6 KV-HF21M80 RM-952 SELF-DIAGNOSTIC SCREEN DISPLAY For errors with symptoms such as “power sometimes shuts off” or “screen sometimes goes out” that cannot be confirmed, it is possible to bring up past occurances of failure for confirmation on the screen: [To Bring Up Screen Test] In standby mode, press buttons on the remote commander sequentially in rapid succession as shown below: [Screen display] / channel [5] / Sound volume [-] / Power ON...
  • Page 7 IC301. TV will stay on, but there will be no picture. * (Refers to the RGB levels of the AKB detection Ref pulse that detects IK.) IC301 IC001 SYSTEM IK-IN IO-8DAT O-LED PROTECT IO-SDAT – 7 – KV-HF21M80 RM-952 IC003 MEMORY B-DAT...
  • Page 8: Connecting The Antenna

    The operating instructions mentioned here are partial abstracts from the Operating Instruction Manual. The page numbers of the Operating Instruction Manual remain as in the manual. L(MONO) AUDIO VIDEO VIDEO IN VIDEO OUT...
  • Page 9 WOOFER (8 ) L(MONO) ONE-PUSH AUTOMATIC PROGRAMING ONE-PUSH AUTOMATIC PROGRAMMING...
  • Page 10: Connecting Components

    ONE-PUSH AUTOMATIC PROGRAMING ONE-PUSH AUTOMATIC PROGRAMING...
  • Page 11 JUMP SOUND Á PROGR MODE FAVORITE ONE-PUSH AUTOMATIC PROGRAMING...
  • Page 12 JUMP SOUND Á PROGR MODE FAVORITE ONE-PUSH AUTOMATIC PROGRAMING...
  • Page 14 SOUND Á PROGR MODE FAVORITE...
  • Page 15 JUMP SOUND Á PROGR MODE JUMP SOUND Á PROGR MODE FAVORITE FAVORITE...
  • Page 16 ONE-PUSH AUTOMATIC PROGRAMMING...
  • Page 18 JUMP JUMP SOUND Á PROGR SOUND Á PROGR MODE MODE ONE-PUSH AUTOMATIC PROGRAMING FAVORITE FAVORITE ONE-PUSH AUTOMATIC PROGRAMMING...
  • Page 22: Set-up Adjustments

    KV-HF21M80 RM-952 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 switches should be set as follows unless otherwise noted: PICTURE control ...
  • Page 23: Convergence

    V.STAT V. STAT H. STAT VR RV 702 BMC (Hexapole) Magnet. If the red, green and blue dots are not balanced or aligned, then use the BMC magnet to adjust in the manner described below. – 23 – KV-HF21M80 RM-952...
  • Page 24 KV-HF21M80 RM-952 Y separation axis correction magnet adjustment. 1. Receive the cross-hatch signal and adjust [PICTURE] to [MIN] and [BRIGHTNESS] to [STANDARD] . 2. Adjust the Y separation axis correction magnet on the neck assembly so that the horizontal lines at the top and bottom of the screen are straight.
  • Page 25: Focus Adjustment

    3) BRIGHTNESS ... 50%. PICTURE ... MINIMUM 4) Select SBR (WHB7) with level with dimly lit. White – 25 – KV-HF21M80 175 V 2(VDC) for the best white balance. for the best white balance. [MUTING] then , and adjust SBR (WHB7)
  • Page 26: Circuit Adjustment

    KV-HF21M80 RM-952 4-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-952 that comes with this unit. a. ENTERING SERVICE MODE With the unit on standby [DISPLAY] VOL (+) [POWER] This operation sequence puts the unit into service mode.
  • Page 27: Adjustment Method

    50Hz or 60Hz, be sure to use the respective input signal after adjustment. GREEN Adjusted with [3] and [6] buttons. GREEN The WRITE display then the display returns to a green SERVICE. – 27 – KV-HF21M80 [MUTING] , the data for all items are written into memory RM-952...
  • Page 31 ITEM INFORMATION. No. OPB0 OP1 Item XTAL 4.43 XTAL 3.58 KV-HF21M80 No. OPB1 OP2 NICAM Item KV-HF21M80 No. OPB2 OP3 Item Pic Rot KV-HF21M80 SECAM 2nd. Lang HDEV Thai Bil Dis. Fav 2199 Auto PIC Auto TV sys US ST –...
  • Page 32: Picture Quality Adjustments

    When replacing IC003 (MEMORY), be sure to change IC001 ( - COM) to the following new IC at the same time. IC001( -CON):CXP86449-616S (KV-HF21M60/HF21P50) CXP86449-623S (KV-HF21M80) 1. Enter to Service Mode. 2. Press commander buttons 5 and - (Data Initialize), and 2 and - (Data Copy) to initialize the data.
  • Page 33: Picture Distortion Adjustment

    GEO 5 VSZ (V SIZE) GEO 6 SCO (VERTICAL S-Correction) GEO 7 VLN (V LINEARITY) GEO 8 BOW (AFC.BOW) GEO 9 AGL (AFC.ANGLE) GEO 0A UPN (UPPER CORNER PIN) GEO 0B LPN (LOWER CORNER PIN) – 33 – KV-HF21M80 RM-952...
  • Page 34: Diagrams

    V2 L in VIDEO IN 2 *V2 R in (FRONT) V out 2 MONITOR L out 2 R out 2 – – KV-HF21M80 KV-HF21M80 RM-952 RM-952 COMB C in YC JUNGLE IC301 CXA2130S <slave:88H> 32 31 30 37 39 40...
  • Page 35: Frame Schematic Diagram

    KV-HF21M80 RM-952 5-2. FRAME SCHEMATIC DIAGRAM CN704 CN701 200V PICTURE CN703 TUBE (RGB OUT) (CISPR) – – KV-HF21M80 KV-HF21M80 RM-952 CN5901 VM MUTE VELOCITY MODULATION NECK ASSY DY ASSY (POWER SUPPLY, HV, MICON, Y/C JUNGLE) – – RM-952 5-3. CIRCUIT BOARDS LOCATION –...
  • Page 36: Schematic Diagrams And Printed Wiring Boards

    : MPP METALIZED POLYPROPYLENE : ALB BIPOLAR : ALT HIGH TEMPERATURE : ALR HIGH RIPPLE Note: The component identified by shading and mark ! are critical for safety. Replace only with part number specified. digital multimeter. – 43 – KV-HF21M80 RM-952...
  • Page 37 KV-HF21M80 RM-952 A BOARD WAVEFORMS 4.5Vp-p (V) 3.8Vp-p (V) NTSC 3.58 NTSC 4.43 1.2Vp-p (H) 0.8Vp-p (H) SECAM 1.1Vp-p (H) 1.0Vp-p (H) SECAM NTSC 1.1Vp-p (H) 0.8Vp-p (H) PAL/NTSC 3.58 3.1Vp-p (H) 3.0Vp-p (H) NTSC 4.43 0.9Vp-p (H) 125Vp-p 3.7Vp-p (V) 1.1Vp-p (H)
  • Page 38: Schematic Diagram Of A (1/2) Board

    (1) Schematic Diagram of A (1/2) Board – – – – Schematic diagram (1/2) board – – Schematic diagram (2/2) board...
  • Page 39: Schematic Diagram Of A (2/2) Board

    (2) Schematic Diagram of A (2/2) Board C644 C656 0.0022 C645 R603 R602 0.01 250V D631 :FPRD ERC04-06SE T604 D632 RECT ERC04-06SE RECT D633 ERA22-08TP3 C657 SNUBBER 0.0022 C646 500V D635 450V C647 R609 R608 0.001 2.2k MA111-TX CH:CHIP :CHIP D636 1/2W SENSING...
  • Page 40 KV-HF21M80 KV-HF21M80 RM-952 A BOARD IC001 CXP86449-623S CLOCK GENERATOR A/D CONVERTER SPC700 CPU CORE /SYSTEM CONTROL PA0~PA7 AN0~AN5 REMOCON FIFO PB0~PB7 12K/16K/24K/32K 352/704/1536 BYTES 40K/48K/60K BYTES SERIAL INTERFACE PC0~PC5 UNIT PC6~PC7 8-BIT TIMER/ COUNTER 0 8-BIT TIMER 1 PD0~PD7 EXLC...
  • Page 41 (3) Schematic Diagrams of C and F boards RGB OUT L701 :EL0607 C704 0.022 R703 C701 400V 0.0047 100k FOCUS 1/2W G1-1 J701 R705 SOCKET 200V RV702 110M H.STAT G1-2 G1-3 153.0 C702 149.0 0.001 R708 152.0 R711 R715 1/2W TO G2-FBT 1/2W R713...
  • Page 42: Schematic Diagram Of Vm1 Board

    (4) Schematic Diagram of VM1 board CN5901 :S-MICRO TO A BOARD CN306 C5919 C5902 Q5909 C5904 R5930 2SC2785-HFE 2SC2458TP-YGR BUFFER L5902 D5905 R5913 C5900 R5927 1SS119 C5906 C5921 0.047 R5916 D5906 R5932 R5901 1.5k C5901 C5920 :FPRD JW5901 Q5908 R5933 R5918 R5915 10MM...
  • Page 43: Exploded View

    KV-HF21M80 RM-952 2SC4927-01 CXA2139S (48PIN) TDA8172 CXP86449-616S (64PIN) CXP86449-623S (64PIN) ST24C08FB6 (8PIN) TDA7429S (42 PIN) G2 D2 TOP VIEW 2SA1037AK-T146-R STR-F6654 2SD774-34 Dual In-line Package Pin 6~98 MARKING SIDE VIEW MM1319AFBE (7PIN) NJM2903M (8PIN) IRF614 Zig-zag In -line Package Pin 6~99...
  • Page 44: Electrical Parts List

    1-164-505-11 C240 1-164-505-11 C241 1-164-346-11 C242 1-164-505-11 C243 1-216-295-91 C244 1-164-700-11 – 63 – KV-HF21M80 DESCRIPTION REMARK All resistors are in ohms F : nonflammable CAPACITORS MF : F, PF : COILS MMH : mH, UH : H DESCRIPTION REMARK...
  • Page 45 KV-HF21M80 RM-952 REF. NO. PART NO. DESCRIPTION C245 1-164-346-11 CERAMIC CHIP C246 1-163-018-00 CERAMIC CHIP C247 1-164-346-11 CERAMIC CHIP C248 1-163-010-11 CERAMIC CHIP C249 1-164-004-11 CERAMIC CHIP C250 1-216-295-91 SHORT C251 1-163-017-00 CERAMIC CHIP C252 1-164-346-11 CERAMIC CHIP C253 1-163-037-11...
  • Page 46 DIODE 1SS355TE-17 D512 8-719-988-61 DIODE 1SS355TE-17 D513 8-719-908-03 DIODE GP08D D517 8-719-312-71 DIODE RS3FS D518 8-719-900-26 DIODE ERD29-08J D521 8-719-302-43 DIODE EL1Z D522 8-719-302-43 DIODE EL1Z D523 8-719-302-43 DIODE EL1Z D527 8-719-908-03 DIODE GP08D – 65 – KV-HF21M80 RM-952 REMARK 1/10W...
  • Page 47 KV-HF21M80 RM-952 REF. NO. PART NO. DESCRIPTION D528 8-719-908-03 DIODE GP08D D531 8-719-988-61 DIODE 1SS355TE-17 D532 8-719-988-61 DIODE 1SS355TE-17 D534 1-216-295-91 SHORT D602 8-719-911-19 DIODE 1SS119-25 D603 8-719-150-92 DIODE RD33EB3T D604 8-719-028-72 DIODE RGP02-17EL-6433 D605 8-719-510-53 DIODE D4SB60L D606 8-719-108-18...
  • Page 48 R027 1-216-073-00 RES,CHIP R029 1-216-049-91 RES,CHIP R031 1-216-049-91 RES,CHIP R035 1-216-025-91 RES,CHIP R036 1-216-025-91 RES,CHIP R037 1-216-025-91 RES,CHIP – 67 – KV-HF21M80 RM-952 REMARK 1/10W 1/10W 1/10W 4.7K 1/10W 4.7K 1/10W 4.7K 1/10W 4.7K 1/10W 4.7K 1/10W 1/10W 1/10W 1/10W...
  • Page 49 KV-HF21M80 RM-952 REF. NO. PART NO. DESCRIPTION R040 1-216-025-91 RES,CHIP R041 1-216-025-91 RES,CHIP R042 1-216-295-91 SHORT R043 1-216-049-91 RES,CHIP R044 1-216-025-91 RES,CHIP R045 1-414-233-22 INDUCTOR CHIP 0UH R046 1-216-049-91 RES,CHIP R047 1-414-233-22 INDUCTOR CHIP 0UH R048 1-216-073-00 RES,CHIP R050 1-216-073-00...
  • Page 50 METAL OXIDE 1/10W R647 1-249-401-11 CARBON 1/10W 1/4W F R648 1-216-057-00 RES,CHIP 1/10W R649 1-249-417-11 CARBON 1/4W – 69 – KV-HF21M80 RM-952 REMARK 1/10W 100K 1/10W 100K 0.50% 1/10W 3.3K 0.50% 1/10W 1/4W F 1/4W 0.47 1/2W F 0.47 1/2W F 0.47...
  • Page 51 – 70 – The components identified by shading and mark ! are critical for safety. Replace only with part number specified. DESCRIPTION REMARK <TUNER> TUNER, FSS BTF-LG433 (KV-HF21M80) <CRYSTAL> VIBRATOR, CERAMIC VIBRATOR, CRYSTAL VIBRATOR, CRYSTAL ******************** SCREW +PSW 3X8 <CAPACITOR>...
  • Page 52 1/4W F <VARISTOR> 1/4W VDR461 1-803-830-31 VARISTOR (ERZV14D621) 1/4W F 1/4W 1/4W 1/4W ************************************************************** 1/4W 1/4W 1/4W 1/4W 1/4W 1/4W 1/2W 1/4W – 71 – KV-HF21M80 RM-952 REMARK 1/4W 1/4W 1.2K 1/4W 1.2K 1/4W 1.2K 1/4W 0.0047MF 250V 0.47MF 250V 1/2W...
  • Page 53 CARBON 1/4W CARBON 1/4W CARBON 1/4W CARBON 1/4W MISCELLANEOUS ***************** COIL, DEMAGNETIC COIL, DEGAUSS MAGNET,DISC SPEAKER (15X6.5 CM) SPEAKER, LOUD (15X6.5CM) (KV-HF21M80) CAP ASSY, HIGH VOLTAGE CORD, POWER (WITH CONNECTOR) 6A/250V CORD, POWER DEFLECTION YOKE (Y21RSA-S) NA299-S2 PICTURE TUBE (A51LPT70X)
  • Page 54 * 4-062-162-11 BAG, PROTECTION * 4-073-910-01 INDIVIDUAL CARTON * 4-073-911-01 CUSHION (UPPER)(ASSY) * 4-073-914-01 CUSHION (LOWER)(ASSY) *************************************************************** REMOTE COMMANDER ********************** 1-418-163-11 REMOTE COMMANDER (RM-952) 9-939-697-01 BATTERY COVER, REMOTE COMMANDER REMARK REF. NO. PART NO. DESCRIPTION – 73 – KV-HF21M80 RM-952 REMARK...
  • Page 55 DESCRIPTION 9-965-767-01 REMARK REF. NO. PART NO. Sony Corporation Sony Technology Malaysia Sdn. Bhd. TV Business of General Area – 74 – The components identified by shading and mark ! are critical for safety. Replace only with part number specified.

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