Page 2 - SPECIFICATIONS
– 2 – KV-G21L3 RM-883 CAUTION SHORT CIRCUIT THE ANODE OF THE PICTURE TUBEAND THE ANODE CAP TO THE METAL CHASSIS, CRTSHIELD, OR CARBON PAINTED ON THE CRT, AFTERREMOVING THE ANODE. SAFETY-RELATED COMPONENT WARNING!! COMPONENTS IDENTIFIED BY SHADING AND MARK ! ON THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS ...
Page 3 - Replacement of Light Guide and Power Button; SELF DIAGNOSIS FUNCTION
– 3 – KV-G21L3 RM-883 TABLE OF CONTENTS Section Title Page Section Title Page 5. CIRCUIT ADJUSTMENTS 5-1. Adjustment With Commander ................................. 19 5-2. Adjustment Method ................................................. 20 5-3. A Board, Adjustment After IC003(MEMORY) Replacemen...
Page 5 - Connections; Getting Started; Note; or; Getting Started; Connecting optional equipment; Connecting video equipment using video input jacks; When connecting a monaural VCR
– 5 – KV-G21L3 RM-883 Getting Started -EN 4 MONIT OR OUT AUD IO V IDEO VIDEO IN Connections Connecting a VHF antenna or a combination VHF/UHF antenna— 75-ohm coaxial cable (round) Attach an optional IEC antenna connector to the 75-ohm coaxial cable.Plug the connector into the (antenna) socket at the...
Page 6 - Connecting audio/video equipment using MONITOR OUT jacks; When recording through the MONITOR OUT jacks; Presetting channels; Press PIC MODE on the remote commander.; Preset the channel manually or automatically again.; Press POWER to turn on the TV.
– 6 – KV-G21L3 RM-883 Getting Started -EN 6 Connecting audio/video equipment using MONITOR OUT jacks When recording through the MONITOR OUT jacks If you change the channel or video input while recording with a VCR, the channel or video input you are recording also will be changed. VIDEO AUDIO VIDEO ...
Page 7 - The selected channel appears on the screen.; Press SELECT to return to normal screen.
– 7 – KV-G21L3 RM-883 Getting Started 9 -EN If you are not satisfied with the pictureand sound quality You may be able to further improve the picture andsound quality by using fine tuning as below: 1 Select the program position you want toadjust. 2 Press SELECT until “MANUAL PROGRAM”appears on the s...
Page 8 - Watching the TV; Press the number button.; Operations; Operations; Notes
– 8 – KV-G21L3 RM-883 Operations 10 -EN POWER VIDEO HOLD TV 1 2 3 4 6 7 8 9 ÷ 0 5 JUMP Watching the TV 1 Press POWER to turn on the TV. When the TV is turned on in standby mode, pressPOWER on the remote commander. 2 Select the TV program you want to watch. To select a program position directly Press...
Page 9 - Select the TV program you want to lock.; Adjusting the sound and picture settings; To adjust other items, repeat steps 1 and 2.; Selecting the sound mode
– 9 – KV-G21L3 RM-883 Operations 12 -EN Using the Child Lockfeature Watching the picturein wide mode You can prevent a child from watching certain programpositions by using the buttons on the remotecommander. 1 Select the TV program you want to lock. 2 Press SELECT until “CHILD LOCK” appearson the s...
Page 10 - Troubleshooting; Additional Information; Dotted lines or stripes; Check the COLOR SYSTEM setting.; TV cabinet creaks; Note on the remote commander; WARNING
– 10 – KV-G21L3 RM-883 Additional Information 14 -EN Troubleshooting Additional Information If you have any problems, read this manual again andcheck the countermeasure for each of the symptomslisted below.If the problem persists, contact your nearest authorizedservice center or dealer. Snowy pictur...
Page 13 - REMOVING PROCEDURES; HOW TO HANDLE AN ANODE-CAP; Do not damage the surface of anode-caps with sharp shaped objects
– 13 – KV-G21L3 RM-883 2-6. PICTURE TUBE REMOVAL • REMOVAL OF ANODE-CAP NOTE : After removing the anode short circuit the anode of the picture tube and the anode cap to the metal chassis, CRT shield or carbon paint on theCRT. • REMOVING PROCEDURES 1 Turn up one side of the rubber cap in the directio...
Page 14 - SECTION 3; Purity coutrol; Deflection yoke positioning; GREEN; P u r i t y C o n t r o l
– 14 – 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 ...
Page 15 - R G B; Center dot; Horizontal and Vertical Static Convergence; B G R; BMC magnet; Purity
– 15 – KV-G21L3 RM-883 R G B G R B Center dot V.STAT Magnet C board RV 701 SCREEN (G2) 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 C...
Page 16 - Permalloy assembly
– 16 – KV-G21L3 RM-883 3. Move the deflection yoke as shown in the figure below and optimize the convergence. 4. Tighten the deflection yoke screws. 5. Install the deflection yoke spacer. (2) Dynamic Convergence Adjustment Preparation : • Before starting this adjustment, adjust the horizontal static...
Page 17 - ADJUSTMENTS
– 17 – KV-G21L3 RM-883 3-3. FOCUS ADJUSTMENT Adjust FOCUS control on the flyback transformer for the best focus. Note: Screen VR is not use. SERVICE MUTING 1 F DATA RDR Adjustment Item 09 Item number WRITE 1 F RDR 09 0 Executes the writing a. AN ITEM OF ADJUSTMENT b. METHOD OF CANCELLATION FROM SERV...
Page 18 - Flickering is operated by lighting the LED's for 60ss each time.; Device; NONVOLATILE
– 18 – KV-G21L3 RM-883 SECTION 4 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. Flickering is operated by lighting ...
Page 19 - Entering service mode
– 19 – KV-G21L3 RM-883 SECTION 5 CIRCUIT ADJUSTMENTS Entering service mode With the unit on standby ↓ DISPLAY ↓ 5 ↓ VOL (+) ↓ POWER The operation sequence puts the unit into service mode. 5-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-883 that comes with this unit. [1] , [4...
Page 21 - Adjustment Item Table
– 21 – KV-G21L3 RM-883 Adjustment Item Table Standard data Note Device Datarange Initial data Item Adjustment number Item 00 HSF 00–3F 24 V SHIFT (TDA8375) 01 HSZ 00–3F 23 H SIZE (TDA8375) 02 PAP 00–3F 21 PIN AMPLITUDE (TDA8375) 03 CNP 00–3F 29 CORNER PIN (TDA8375) 04 TLT 00–3F 20 TILT (TDA8375) 05 ...
Page 22 - No. 31 OP0 * Input data are different according to models
– 22 – KV-G21L3 RM-883 NOTE• Standard Data. Those are the standard data values written on the microprocessor. Therefore, the data values of themodes are stored respectively in the memor y.In case of a device replacement, adjustment by rewriting the data value is necessary for some items. • 50 .........
Page 24 - MEMO
– 24 – KV-G21L3 RM-883 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ MEMO ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ...
Page 25 - -3. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS; N o t e : T h e c o m p o n e n t i d e n t i f i e d b y s h a d i n g a n d
– 26 – – 27 – – 25 – KV-G21L3 RM-883 KV-G21L3 RM-883 KV-G21L3 RM-883 SECTION 6 DIAGRAMS 59 60 38 9 41 40 36 35 34 3 6 56 54 12 L/H U/V VC AGC KEY1 KEY2 RESET EXTAL XTAL TIMER RESP/ IICLK0 IIDAT0 BLK NICAM VC AMP Q109 Q110 VC FILTER Q108 AGC MUTE AGC TU U/V L/H 51 50 49 42 47 25 55 53 26 17 48 27 R G...
Page 26 - A BOARD; DIODE
KV-G21L3 RM-883 KV-G21L3 RM-883 – 30 – – 29 – – 28 – KV-G21L3 RM-883 A 1 2 3 4 5 6 7 8 9 10 11 12 13 B C D E F G H I J A BOARD DIODE D001 C-9 D002 C-12 D003 C-10 D004 E-11 D005 E-8 D006 H-13 D007 E-10 D008 I-13 D103 D-2 D251 A-8 D252 B-13 D301 C-7 D302 C-8 D304 D-8 D305 D-7 D306 E-6 D307 E-5 D308 C-...
Page 27 - a r e c r i t i c a l
SECTION 7 EXPLODED VIEW NOTE: • I t e m s w i t h n o p a r t n u m b e r a n d n odescription are not stocked becausethey are seldom required for routineservice. • The construction parts of an assembledp a r t a r e i n d i c a t e d w i t h a c o l l a t i o nnumber in the remark column. 7-1. CHAS...
Page 28 - μμ; are critical for safety.
SECTION 8 ELECTRICAL PARTS LIST NOTE: T h e c o m p o n e n t s i d e n t i f i e d by s h a d i n gand mark ! are critical for safety. Replace only with par t number specified. When indicating parts by reference number,please include the board name. • Items marked " ∗ " are not stocked sinc...
Page 34 - Sony Corporation; Display Company; English
REF.NO. PART NO. DESCRIPTION REMARK REF.NO. PART NO. DESCRIPTION REMARK The components identified by shadingand mark ! are critical for safety. Replace only with part number specified. – 48 – KV-G21L3 RM-883 <VARIABLE RESISTOR> RV701 1-230-641-11 RES, ADJ, METAL GLAZE 2.2M ********************...
