Gebruiksaanwijzing /service van het product TRINITRON KV-G21L3 van de fabrikant Sony
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TRINITRON ® COLOR TV MODEL COMMANDER DEST . CHASSIS NO . KV -G21L3 RM-883 ME SCC-J35Y -A SERVICE MANUAL MODEL COMMANDER DEST . CHASSIS NO. BG-1S (D) CHASSIS.
– 2 – KV -G21L3 RM-883 CAUTION SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE ANODE.
– 3 – KV -G21L3 RM-883 T ABLE OF CONTENTS Section T itle Page Section T itle Page 5. CIRCUIT ADJUSTMENTS 5-1. Adjustment With Commander ................................. 19 5-2. Adjustment Method ................................................. 20 5-3.
– 4 – KV -G21L3 RM-883 SECTION 1 GENERAL The operating instructions mentioned here are partial abstracts from the Operating Instructions Manual. The page numbers of the Oper ating Instruction Manual remain as in the manual.
– 5 – KV -G21L3 RM-883 Getting Started -EN 4 M O N IT O R O U T A U D I O V ID E O V ID E O 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.
– 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.
– 7 – KV -G21L3 RM-883 Getting Started 9 -EN If you are not satisfied with the picture and sound quality You may be able to further improve the picture and sound quality by using fine tuning as below: 1 Select the program position you want to adjust.
– 8 – KV -G21L3 RM-883 Operations 10 -EN POWER VIDEO HOLD TV 1 2 3 4 6 7 8 9 ÷ 0 5 JUMP W atching the TV 1 Press POWER to turn on the TV. When the TV is turned on in standby mode, press POWER on the remote commander. 2 Select the TV program you want to watch.
– 9 – KV -G21L3 RM-883 Operations 12 -EN Using the Child Lock feature W atching the pictur e in wide mode You can prevent a child from watching certain program positions by using the buttons on the remote commander. 1 Select the TV program you want to lock.
– 10 – KV -G21L3 RM-883 Additional Information 14 -EN T roubleshooting Additional Information If you have any problems, read this manual again and check the countermeasure for each of the symptoms listed below. If the problem persists, contact your nearest authorized service center or dealer.
– 11 – KV -G21L3 RM-883 2-1. REAR CO VER REMO V AL 2-2. A BO ARD REMOV AL 2-3. SER VICE POSITION SECTION 2 DISASSEMBL Y 2 Two screws (BVTP 4 × 16) 3 One screw (BVTP 3 × 16) 1 Two screws (BVTP 4 .
1 DEMAGNETIZATION COIL 2 TENSION SPRING PICTURE TUBE ill2-02-0-1_ES29.
– 13 – KV -G21L3 RM-883 2-6. PICTURE TUBE REMOV AL • REMO V AL OF ANODE-CAP NOTE : After removing the anode short circuit the anode of the picture tube and the anode cap to the metal chassis, CR T shield or carbon paint on the CRT . • REMOVING PROCEDURES 1 T urn up one side of the rubber cap in the direction indicated by the arr ow a .
– 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 noted: PICTURE control .
– 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.
– 16 – KV -G21L3 RM-883 3. Move the deflection yoke as shown in the figure below and optimize the con vergence. 4. T ighten the deflection yoke screws.
– 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.
– 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.
– 19 – KV -G21L3 RM-883 SECTION 5 CIRCUIT ADJUSTMENTS Entering service mode W ith the unit on standby ↓ DISPLA Y ↓ 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.
– 20 – KV -G21L3 RM-883 5-2. ADJUSTMENT METHOD Item Number 08 This explanation uses V -SHIFT as an example. 1. Select 08 V -SHIFT with the [1] and [4] buttons. 2. Raise/lower the data with the [3] and [6] buttons. 3 . Select the optimum state. (The standard is 0F for P AL reception.
– 21 – KV -G21L3 RM-883 Adjustment Item Table Standard data Note Device Data range Initial data Item Adjustment number Item 00 HSF 00 – 3F 24 V SHIFT (TDA8375) 01 HSZ 00 – 3F 23 H SIZE (TD A83.
– 22 – KV -G21L3 RM-883 NOTE • Standard Data. Those are the standard data v alues written on the microprocessor . Theref ore, the data v alues of the modes are stored respectively in the memory . In case of a device replacement, adjustment by rewriting the data value is necessary for some items.
– 23 – KV -G21L3 RM-883 5-3. A BO ARD , ADJUSTMENT AFTER IC003 (MEMORY) REPLACEMENT 1. Enter to Service Mode. 2. Press commander buttons 5 and - (Data Initialize), and 2 and - (Data Copy) to initialize the data. 3. Call each item number , and check if the respectiv e screen shows the normal picture.
– 24 – KV -G21L3 RM-883 MEMO.
– 26 – – 27 – – 25 – KV -G21L3 RM-883 KV -G21L3 RM-883 KV -G21L3 RM-883 SECTION 6 DIA GRAMS 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/ IIC.
KV -G21L3 RM-883 KV -G21L3 RM-883 – 30 – – 29 – – 28 – KV -G21L3 RM-883 A 1234 5678 9 1 0 1 1 1 2 1 3 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.
SECTION 7 EXPLODED VIEW NOTE: • Items with no part number and no description are not stocked because they are seldom required for routine service. • The construction parts of an assembled part are indicated with a collation number in the remark column.
SECTION 8 ELECTRICAL P AR TS LIST NOTE: The components identified by shading and mark ! are critical for safety . Replace only with part number specified. When indicating parts by reference number , please include the board name. • Items marked " ∗ " are not stocked since they are seldom required for routine serv- ice.
KV -G21L3 RM-883 – 43 – REF .NO. P AR T NO. DESCRIPTION REMARK REF .NO. P AR T NO. DESCRIPTION REMARK The components identified by shading and mark ! are critical for saf ety .
REF .NO. P AR T NO. DESCRIPTION REMARK REF .NO. P AR T NO. DESCRIPTION REMARK The components identified by shading and mark ! are critical for safety .
KV -G21L3 RM-883 – 45 – REF .NO. P AR T NO. DESCRIPTION REMARK REF .NO. P AR T NO. DESCRIPTION REMARK The components identified by shading and mark ! are critical for saf ety .
REF .NO. P AR T NO. DESCRIPTION REMARK REF .NO. P AR T NO. DESCRIPTION REMARK The components identified by shading and mark ! are critical for safety . Replace only with par t number specified. – 46 – KV -G21L3 RM-883 R636 1-215-924-00 MET AL O XIDE 15K 5% 3W F R801 1-215-920-11 MET AL O XIDE 3.
KV -G21L3 RM-883 – 47 – REF .NO. P AR T NO. DESCRIPTION REMARK REF .NO. P AR T NO. DESCRIPTION REMARK The components identified by shading and mark ! are critical for saf ety .
REF .NO. P AR T NO. DESCRIPTION REMARK REF .NO. P AR T NO. DESCRIPTION REMARK The components identified by shading and mark ! are critical for safety . Replace only with par t number specified. – 48 – KV -G21L3 RM-883 <V ARIABLE RESIST OR> R V701 1-230-641-11 RES, ADJ, MET AL GLAZE 2.
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