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-HW21P80A RM-969 SELF DIAGNOSIS FUNCTION The units in this manual contain a self-diagnosis function. If an error occurs, the STANDBY (1) indicator will automati- cally begin to flash. A description of the self-diagnosis function is explained in the instruction manual. The number of times the STANDBY (1) indicator flashes translates to a probable source of the problem.
Page 5
KV-HW21P80A RM-969 2. DISPLAY OF STANDBY (1) INDICATOR FLASH COUNT Diagnosis 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-diagnosis. Lamp ON 0.3 sec. Lamp OFF 3 sec.
Page 6
KV-HW21P80A RM-969 5. HANDLING OF SELF-DIAGNOSTIC SCREEN DISPLAY Since the diagnosis 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-diagnosis function will not be able to detect subsequent faults after completion of the repairs.
KV-HW21P80A RM-969 1-7. PICTURE TUBE REMOVAL Note: • The picture tube is upside-down and the position for the anode cap and tension springs are changed accordingly. • Please make sure the TV set is not in standing position before removing necessary CRT support located on bottom right and left.
KV-HW21P80A RM-969 SECTION 2 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-HW21P80A RM-969 2-2. 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.
Page 11
KV-HW21P80A RM-969 (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-HW21P80A RM-969 2-3. FOCUS ADJUSTMENT 2.a) WHITE BALANCE ADJUSTMENT 1) Set to Service Mode (Refer Section 3-1: 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-HW21P80A RM-969 SECTION 3 CIRCUIT ADJUSTMENTS 3-1. ADJUSTMENT WITH COMMANDER e. OTHER FUNCTION VIA REMOTE COMMANDER All the data becomes the values in memory. Service adjustments to this model can be performed using the All user control goes to the standard state. supplied Remote Commander RM-969.
Page 16
KV-HW21P80A RM-969 ITEM INFORMATION No. 1E VP1 Item KV-HW21P80A 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)
Page 17
KV-HW21P80A RM-969 No. 4F OP2 HDEV XTAL Item No NICAM US ST IV-Curve SECAM 2nd Lang. KV-HW21P80A 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 mode)
Page 18
KV-HW21P80A RM-969 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-HW21P80A RM-969 3-3. PICTURE QUALITY ADJUSTMENT 3-4. 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-HW21P80A KV-HW21P80A RM-969 RM-969 SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM POWER SUPPLY, DEFLECTION, AUDIO C (RGB AMPLIFIER) AND VIDEO PROCESSING, AUDIO/VIDEO INPUT/OUTPUT, MICROCOMPUTER VIDEO VIDEO RGB Amp IN 1 L (MONO) (FRONT) V901 PICTURE TUBE VIDEO L IN L OUT L IN L OUT VIDEO...
KV-HW21P80A RM-969 4-2. CIRCUIT BOARDS LOCATION C Board A Board 4-3. SCHEMATIC DIAGRAM Reference information RESISTOR : RN METAL FILM Note: : RC SOLID All capacitors are in µF unless otherwise noted. • : FPRD NONFLAMMABLE CARBON • All electrolytic capacitors are rated at 50V unless otherwise : FUSE NONFLAMMABLE FUSIBLE noted.
KV-HW21P80A KV-HW21P80A RM-969 RM-969 4-5. PRINTED WIRING BOARDS AND PARTS LOCATION NOTE: PRINTED WIRING BOARDS The circuit indicated at left contains high voltage of over 1220 Vp-p. Please pay attention when inspecting or re- pairing it to prevent an electric shock. [POWER SUPPLY, DEFLECTION AUDIO AND VIDEO PROCESSING, AV INPUT/OUTPUT AND MICROCOMPUTER] A BOARD –...
KV-HW21P80A RM-969 SECTION 5 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-HW21P80A RM-969 The components identified by shading and mark ! are critical for safety. SECTION 6 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 •...
Page 34
KV-HW21P80A RM-969 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 C215 1-107-725-11 CERAMIC CHIP 0.1UF 10.00% 16V C358 1-163-251-11 CERAMIC CHIP 100PF...
Page 35
KV-HW21P80A RM-969 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 D005 8-719-069-55 DIODE UDZSTE-175.6B C621 ! 1-117-703-51 CERAMIC 0.0047UF 99% 250V D006...
Page 36
KV-HW21P80A RM-969 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> L103 1-410-987-42 INDUCTOR 0.33UH L200 1-249-401-11 CARBON 1/4W * 1-580-798-11 CONNECTOR PIN (DY) 6P...
Page 37
KV-HW21P80A RM-969 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 R008 1-216-065-61 RES-CHIP 4.7K 1/10W R117 1-216-081-61 RES-CHIP 1/10W R009 1-216-037-61...
Page 38
KV-HW21P80A RM-969 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 R329 1-216-043-61 RES-CHIP 1/10W R502 1-216-370-11 METAL OXIDE R330 1-216-295-61 SHORT CHIP...
Page 39
KV-HW21P80A RM-969 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 R874 1-215-475-00 METAL 180K 1/4W <CAPACITOR> R878 1-216-049-61 RES-CHIP 1/10W R879...
Page 40
MATCHING TRANSFORMER, ANTENNA 3-701-910-00 SCREW, SPECIAL (DIA. 3.8X20) * 4-039-372-01 BAG, PROTECTION * 4-091-756-02 CUSHION, LOWER * 4-091-757-02 CUSHION, UPPER * 4-096-831-02 INDIVIDUAL CARTON Sony Corporation Sony Technology Malaysia Sdn. Bhd. English 9-872-406-01 Visual Products 2003.10 – 42 –...
Page 42
Getting Started Step 1 Insert the batteries (supplied) into the remote. Note • Do not use old batteries nor use different types of batteries together. Step 2 Connect the antenna cable (not supplied) to 8 (antenna input) at the rear of the TV. •...
Page 43
WARNING • Dangerously high voltages are present inside the TV. • TV operating voltage: 110 – 240 V AC. • Do not plug in the power cord until you have completed making all other connections; otherwise a minimum leakage current might flow through the antenna and other terminals to ground.
Page 44
WARNING (continued) Do not plug in too many appliances to the same To prevent fire or shock hazard, do not expose power socket. Do not damage the power cord. the TV to rain or moisture. Pull the power cord out by the plug. Do not pull the power cord itself.
Page 45
TV top control, front and rear panels TV top control panel PROG SELECT TV rear panel (MONO) TV front panel (MONO) Button Function Turn off or turn on the TV. Remote control sensor. Wake Up indicator. Standby indicator. PROG +/– Select program number.
Page 46
Connecting optional components Connecting to the video input terminal ( t ) TV front panel Audio/Video cable (not supplied) Camcorder (MONO) TV rear panel Video game equipment Antenna cable (not supplied) (MONO) Audio/Video cable (not supplied) Note • Do not connect video equipment to (video input) at the front and the rear of your TV at the same time;...
Page 47
TV. • 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 indicator on your TV center. flashes red several times after every three seconds.
Page 48
Specifications Note KV-HW21P80A Power requirements 110-240 V AC, 50/60 Hz Power consumption (W) Indicated on the rear of the TV Television system Color system PAL, PAL 60, NTSC3.58 (AV IN), NTSC4.43 Channel coverage VHF : E2 to E12 UHF : E21 to E69 CATV : S01 to S03, S1 to S41 8 (Antenna) 75-ohm external terminal...
Page 49
Remote control Button Function – Turn off temporarily or turn on the TV. – Display the TV program. – JUMP Jump to previous program number. – PROGR +/– Select program number. – 2 +/– Adjust volume. – SELECT Select the desired item. PIC MODE Select picture mode.
Page 50
Setting the timers You can turn on and off your TV by using the buttons respectively. Setting the Wake Up timer Press until the desired period of time appears on the screen. WAKE UP TIMER:0H10M (After 10 minutes) JUMP SOUND PROGR MODE WAKE UP TIMER:OFF...
Page 51
Presetting channels You can automatically preset up to 100 TV channels in numerical sequence from program number 1, or manually preset desired channels and channels that cannot be preset automatically. Presetting channels automatically from a specified program number Press SELECT until “AUTO PROGRAM” appears Number on the screen.
Page 52
Presetting channels (continued) To change the color system setting If the color is abnormal when receiving programs through the 8 (antenna input) terminal or the t (video input) terminal (1) Press SELECT until “COLOR SYS” appears on the screen. (2) Press + or – to select the appropriate color system until the color is optimal. AUTO NTSC3.58 NTSC4.43...
Page 53
Customizing the picture and sound 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.
Page 54
Customizing the picture and sound (continued) Selecting the space sound mode Press SPACE SOUND. Select “ON” listen to monaural sound with a stereo-like effect. “OFF” turn off space sound mode. Note • You can also turn space sound on or off using the SELECT and + or – buttons.