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REVISION HISTORY BG2T CHASSIS MODEL 9-872-280-02 PART NO. : KV-HA21M80 KV-HA21N70 KV-HA21N80 SUFFIX DATE SUPP / CORR DESCRIPTION 2002/1 1st. Issue Rear Cover Assy Suffix Change (P. 61) 2002/6 Supp. -1...
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SERVICE MANUAL BG2T CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-HA21M80 RM-969 India SCC-U74C-A KV-HA21N70 RM-968 Philippines SCC-U76D-A KV-HA21N80 RM-968 Philippines SCC-U76C-A MUTING DISPLAY POWER VIDEO JUMP JUMP SOUND SOUND PROGR MODE MODE SPACE SOUND WAKE UP SLEEP AUTO ADD/...
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THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE REPLACE THESE COMPONENTS WITH SONY PARTS ANODE. WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 –...
KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 SELF DIAGNOSTIC FUNCTION The units in this manual contain a self-diagnostic function. If an error occurs, the STANDBY/TIMER lamp will automati- cally 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.
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 2. DISPLAY OF STANDBY/TIMER LIGHT FLASH COUNT Diagnostic Item Flash Count* 2 times +B overcurrent/overvoltage 2 times Vertical deflection stopped 4 times 4 times * One flash count is not used for self-diagnostic. Lamp ON 0.3 sec. Lamp OFF 3 sec.
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 5. HANDLING OF SELF-DIAGNOSTIC SCREEN DISPLAY Since the diagnostic results displayed on the screen are not automatically cleared, always check the self-diagnostic screen during repairs. When you have completed the repairs, clear the result display to “0”. Unless the result display is cleared to “0”, the self-diagnostic function will not be able to detect subsequent faults after completion of the repairs.
KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The operating instruction mentioned here are partial abstracts from the Operating Instruction Manual. The page numbers of SECTION 1 GENERAL the Operating Instruction Manual remain as in the manual. WARNING Getting Started (KV-HA21N80/HA21N70) • Dangerously high voltages are present inside the TV. Step 1 •...
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TV. Remote control sensor. • Count the number of times the 1 (standby) indicator flashes. Press ! The 1 (standby) (main power) to turn off your TV. Contact your nearest Sony service Standby indicator. indicator on your TV center.
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 Setting the timers Remote control (KV-HA21M80) (KV-HA21M80) You can turn on and off your TV by using the buttons respectively. Button Function Setting the Wake Up timer Turn off temporarily or – turn on the TV. Press until the desired period of time appears –...
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 Presetting channels (continued) (KV-HA21M80) Presetting channels (KV-HA21M80) You can automatically preset up to 100 TV channels in numerical sequence To change the TV system setting from program number 1, or manually preset desired channels and channels If the picture or sound is abnormal when receiving programs through the 8 (antenna that cannot be preset automatically.
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 Customizing the picture and sound (KV-HA21M80) You can customize the picture and sound by selecting the picture and sound modes or by adjusting its settings. You can change the sound effect by selecting the space sound mode. Selecting the picture mode Press PIC MODE to select the desired picture mode.
KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 SECTION 3 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.
KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 3-2. CONVERGENCE • Operation of V. Stat magnet If the V. Stat magnet is moved in the "a" and "b" arrows, the Preparation : red, green and blue dots move as shown below. • Before starting this adjustment, adjust the focus, horizontal size and vertical size.
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 (2) Dynamic Convergence Adjustment Preparation: Before starting this adjustment, adjust the horizontal static convergence and the vertical static convergence Insert Correction Plate to DY Pocket (Left or Right) YCH Rotate YCH VOL on DY Rotate TLV VOL ON DY XCV Rotate XCV Adj core on DY ON DY: (3) Screen-corner Convergence...
KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 3-3. FOCUS ADJUSTMENT 2.a) WHITE BALANCE ADJUSTMENT 1) Set to Service Mode (Refer Section 4-1: ADJUSTMENTS FOCUS adjustment should be completed before W/B adjustment. WITH COMMANDER). 1. Receive digital monoscope pattern. 2) Input white raster signal. 2. Set "Picture Mode" to "DYNAMIC". 3) Set 49 (ABL) and IF (VP2) service mode to 00.
KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 SECTION 4 CIRCUIT ADJUSTMENTS 4-1. ADJUSTMENT WITH COMMANDER e. OTHER FUNCTION VIA REMOTE COMMANDER 7, - All the data becomes the values in memory. Service adjustments to this model can be performed using the 8, - All user control goes to the standard state. supplied Remote Commander RM-968 and RM-969.
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 ITEM INFORMATION (KV-HA21M80) No. 1E VP1 Item KV-HA21M80 Switch-on behaviour 1=Switch -on of picture via internal delay 0=Without delay 00(4) 1=Switch off in vertical overscan 0=Switch-off undefind 18(7) Service blanking 1= on 0= off 0B(7) RGB Blanking Mode 1 = wide blanking, 0 = normal blanking 02(7) Forced Color-on 1=no colour killer 0=normal colour killer function 1B(0)
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 No. 4F OP2 XTAL SEL Item No NICAM US ST HDEV I V-Curve SECAM 2nd Lang. KV-HA21M80 No NICAM 1 = NICAM search is disable in any TV system, 0 = NICAM search operates US ST (Reserved for NTSC model) 1 V-Curve 1 = using common volume curve for every mode and every TV system (for monaural model)
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 ITEM INFORMATION (KV-HA21N80/N70) No. 1E VP1 Item KV-HA21N70 KV-HA21N80 Switch-on behaviour 1=Switch -on of picture via internal delay 0=Without delay 00(4) 1=Switch off in vertical overscan 0=Switch-off undefind 18(7) Service blanking 1= on 0= off 0B(7) RGB Blanking Mode 1 = wide blanking, 0 = normal blanking 02(7) Forced Color-on 1=no colour killer 0=normal colour killer function 1B(0)
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 No. 33 OP2 XTAL SEL Item No NICAM US ST HDEV I V-Curve SECAM 2nd Lang. KV-HA21N70 KV-HA21N80 No NICAM 1 = NICAM search is disable in any TV system, 0 = NICAM search operates (Multi Model Only) US ST (Reserved for NTSC model) 1 V-Curve...
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 OPERATION GUIDE SERVICE MODE How to set up new NVM (or initialize already written one) (1) AC ON (2) Enter Service Mode - describing below how to enter (3) Push the commander button “5” and “0” sequentially (only set initial data into RAM, but not write them into NVM yet) (4) Push the commander button “2”...
KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 4-3. PICTURE QUALITY ADJUSTMENT 4-4. DEFLECTION ADJUSTMENT NORMAL MODE (50Hz) SUB COLOR ADJUSTMENT Set to Service mode. 1. Select Video. Input PAL color bar. Using the 1 and 4 button, select category GEO 2. Input a PAL color-bar. 3.
KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 5-3. SCHEMATIC DIAGRAM Note: • All capacitors are in µF unless otherwise noted. • All electrolytic capacitors are rated at 50V unless otherwise noted. • All resistors are in ohms. kΩ = 1000Ω, MΩ = 1000kΩ • Indication of resistance which does not have rating electrical power is as follows.
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 A Board ✼ Mark List CV Board ✼ Mark List KV-HA21N70 KV-HA21M80 KV-HA21N80 KV-HA21N70 KV-HA21M80 KV-HA21N80 R120 1.8K :CHIP R706 680 RN 680 0.25W R121 22K :CHIP R707 470 RN 470 0.25W R122 330K :CHIP Note: The parts indicated as "#" in this circuit diagram are R123 22K :CHIP not listed here, as they are not used for these models.
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KV-HA21M80/HA21N70/HA21N80 KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 RM-969 RM-968 PRINTED WIRING BOARDS [POWER SUPPLY,DEFLECTION, NOTE: AUDIO AND VIDEO PROCESSING, The circuit indicated at left contains high voltage of over AUDIO/VIDEO INPUT/OUTPUT AND SYSTEM CONTROLLER] 1220 Vp-p. Please pay attention when inspecting or re- pairing it to prevent an electric shock.
KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 SECTION 6 EXPLODED VIEWS NOTE: • • Items marked " ∗ " are not stocked since Items with no part number and no The components identified by description are not stocked because they are seldom required for routine shading and mark ! are critical they are seldom required for routine ser vice.
KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The components identified by shading and mark ! are critical for safety. SECTION 7 Replace only with part number specified. ELECTRICAL PARTS LIST REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK • Items marked " ∗ " are not stocked since •...
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK C121 1-162-927-11 CERAMIC CHIP 100PF 5.00% C226 1-125-805-91 ELECT 4.7UF...
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK C321 1-125-805-91 ELECT 4.7UF 20.00% 50V C425 1-162-925-11 CERAMIC CHIP 68PF...
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK C814 1-117-646-11 FILM 12000PF 3.00% 1.2KV D202 8-719-988-61 1SS355TE-17 C852...
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK <CONNECTOR> JR034 1-216-295-91 SHORT 0 (KV-HA21M80) JR035 1-216-295-91 SHORT * 1-580-798-11...
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK <TRANSISTOR> R008 1-216-065-91 RES-CHIP 4.7K 1/10W R009 1-216-037-00 RES-CHIP 1/10W...
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK R076 1-216-025-11 RES-CHIP 1/10W R203 1-216-061-91 RES-CHIP 3.3K 1/10W (KV-HA21N70/HA21N80)
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK R303 1-216-033-00 RES-CHIP 1/10W R356 1-216-061-91 RES-CHIP 3.3K 1/10W R304...
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK R427 1-216-051-00 RES-CHIP 1.2K 1/10W R612 1-249-420-11 CARBON 1.8K 1/4W...
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. A CV REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK S006 1-692-431-21 SWITCH, TACTILE <#########> S600 ! 1-571-433-31 SWITCH, PUSH (AC POWER)
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KV-HA21M80/HA21N70/HA21N80 RM-969 RM-968 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF NO. PART NO. DESCRIPTION REMARK REF NO. PART NO. DESCRIPTION REMARK R712 1-216-486-00 METAL OXIDE 8.2K ACCESSORIES AND PACKING MATERIALS R713 1-260-330-11 CARBON...
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SUBJECT : REAR COVER ASSY SUFFIX CHANGE SECTION 6. EXPLODED VIEWS 6-1. PICTURE TUBE AND CHASSIS (see page 49) REF. NO. PART NO. DESCRIPTION REMARK X-4039-650-2 COVER ASSY, REAR Sony Corporation Sony Technology Malaysia Sdn. Bhd. English 9-872-280-02 Visual Products 2002.6 – 61 –...