SERVICE MANUAL BG-3S CHASSIS MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO. KV-1499M7J RM-952 SCC-U30L-A TRINITRON COLOR TV ®...
Page 2
OR CARBON PAINTED ON THE CRT, AFTER REMOVING THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE ANODE. THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. – 2 –...
KV-1499M7J RM-952 TABLE OF CONTENTS Section Title Page Section Title Page SELF DIAGNOSIS FUNCTION 5. DIAGRAMS ........ 4 5-1. Block Diagram ............35 1. GENERAL ................ 8 5-2. Frame Schematic Diagram ........38 Circuit Boards Location .......... 40 2. DISASSEMBLY 5-4.
Page 4
KV-1499M7J RM-952 SELF DIAGNOSTIC FUNCTION 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
KV-1499M7J RM-952 DISPLAY OF STANDBY/TIMER LIGHT FLASH COUNT 2 times 5 times Lamp ON 0.3 sec. Lamp OFF 3 sec. Lamp OFF 0.3 sec. STANDBY/SLEEP lamp Diagnostic Item Flash Count* +B overcurrent/overvoltage 2 times Vertical deflection stopped White balance failure 5 times * One flash count is not used for self-diagnostic.
Page 6
KV-1499M7J 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
KV-1499M7J RM-952 SELF-DIAGNOSTIC CIRCUIT IC301 IC001 IC003 Y/CHROMA JUNGLE SYSTEM MEMORY FROM IK-IN IO-8DAT B-DAT FROM [+B] Q604 C3 O-LED PROTECT IO-SDAT [V] Q509/507 [+B overcurrent ªOCPº] Occurs when an overcurrent on the +B(135) line is detected by Q604. If Q604 go to ON and the voltage to pin 18 of IC301 should go down when V.SYNC is more than seven...
Page 8
SECTION 1 The operating instructions mentioned here are partial abstracts from the Operating Instruction Manual. The page numbers of GENERAL the Operating Instruction Manual remain as in the manual. Using Your New TV WARNING • Dangerously high voltages are present inside the TV. Getting Started •...
Notes Connecting optional components • If you connect a stereo VCR, connect the yellow plug to (the yellow jack) and the white plug to (the black jack). • If you connect a VCR to the ˘ (antenna) terminal, preset the signal You can connect optional video components, such as a VCR, multi disc player, output from the VCR to the program number 0 on the TV.
Presetting Presetting channels (continued) channels Presetting channels manually You can preset up to 100 TV channels in Press SELECT until SELECT numerical sequence from program “MANUAL PROGRAM” Number buttons number 1 using the remote and the appears. MANUAL PROGRAM buttons on your TV as well. ÷...
Watching the TV ¤ To change the color system setting If the color is abnormal when receiving programs through the ˘ (antenna) terminal or the … (video input) jack This section explains functions used … while watching the TV. Most operations (1) Press SELECT until “COL SYS”...
Page 12
Watching the TV (continued) Additional tasks Setting the Wake Up timer Do this Turn off temporarily Press u. The u indicator on the TV lights up red. Press until the WAKE UP TIMER:10M desired period of time Press U on the TV. Turn off completely After 10 minutes appears.
Advanced Operations Customizing the Customizing the picture and sound (continued) SOUND Á PROGR MODE picture and sound Adjusting the picture and sound settings SOUND MODE SELECT Press SELECT until the You can customize the picture and SELECT + or – desired setting appears.
Press U (main power) to turn off your TV. Press + or – to select “ON”. Inform your nearest Sony service center about the number of times the u indicator flashes. symbol appears on Be sure to note the model name and serial number located on the rear of the screen.
If you find any problem while viewing your TV, please check the following guide. If Symptom Solutions Possible cause any problem persists, contact your Sony dealer . Good picture • Press ¸ + to increase the volume level. • The volume level is too low.
TV screen heavy machineries, nearby broadcast station. • Your TV may need service. • Contact your nearest Sony service The u indicator on your TV flashes red a number center. (page 16) of times between 3-second intervals.
Page 17
Remote Control !¶ !¡ ÷ ÷ JUMP JUMP !§ SOUND Á PROGR SOUND Á PROGR MODE MODE !™ !£ !¢ FAVORITE FAVORITE !∞ !§ SOUND MODE button (13) 1 u (power) button (10) 2 ; (TV) button (11) !¶ Teletext operation buttons 3 Number buttons (10) (not used for KV-1499M70/ 4 JUMP button (11)
2-5. REPLACEMENT OF PARTS 2-6. TERMINAL BRACKET REMOVAL For replacement of the Multi Button, unscrew it, and exchange with the new part. Terminal board bracket 2-5-1. REPLACEMENT OF MULTI BUTTON Multi button A board Two screws (+BVTP 3 2-7. DEGAUSS COIL REMOVAL 2-5-2.
2-8. PICTURE TUBE REMOVAL REMOVAL OF ANODE-CAP NOTE : After removing the anode, short circuit the anode of the picture tube and 3 F board the anode cap to the metal chassis, CRT shield or carbon paint on the CRT. 4 C3 board REMOVING PROCEDURES 5 Deflection yoke...
KV-1499M7J SECTION 3 RM-952 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-1499M7J RM-952 3-2. CONVERGENCE Preparation : Before starting this adjustment, adjust the focus, horizontal size V. STAT and vertical size. Minimize the brightness setting. Provide dot pattern. (1) Horizontal and Vertical Static Convergence Center dot H. STAT VR H. STAT VR V.STAT Magnet...
Page 23
KV-1499M7J RM-952 (2) Dynamic Convergence Adjustment Preparation: Before starting this adjustment, adjust the horizontal static convergence and the vertical static convergence on DY (3) Screen-corner Convergence Fix a Permalloy assy corresponding to the misconverged areas a-d : screen-corner misconvergence a to d : Permalloy assembly...
KV-1499M7J RM-952 2. WHITE BALANCE ADJUSTMENT 3-3. FOCUS ADJUSTMENT 1) Set to Service Mode (Refer Section 4-1: ADJUSTMENTS Adjust FOCUS control on the flyback transformer for the best WITH COMMANDER). focus. 2) Input white raster signal. 3) Set the PICTURE to minimum.
KV-1499M7J SECTION 4 RM-952 CIRCUIT ADJUSTMENTS 4-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-952 that comes with this unit. 1, 4 Select the adjustment item. a. ENTERING SERVICE MODE 3, 6 Raise/lower the data value. With the unit on standby [MUTING] Writes.
KV-1499M7J RM-952 4-2. ADJUSTMENT METHOD Item Number 00 of device GEO Use the same method for all Items. Use 1 and 4 to select the This explanation uses H-Position as an example. 1. Select “GEO 00 HPS” with the 1 and 4 buttons.
Page 27
Adjustment Item Table Device Functionality Note Data Range Function Note for Register Slava RAM Address Name Name Different Data No. (bit) Address (bit) H Position 50/60HZ 12 (7-2) CXA2130S(88H) 82 (7-2) H Size 50/60HZ 11 (7-2) 81 (7-2) Pin Amp 50/60HZ 13 (7-2) 83 (7-2)
Page 28
Adjustment Item Table Device Functionality Note Data Range Function Note for Register Slava RAM Address Name Name Different Data No. (bit) Address (bit) H Drive Pulse Width Switch 00 (6) 4F (6) AFC Gain Control TV/Video/Text 0F (1-0) 8D (1-0) H Oscillation 0C (7-4) 5B (7-4)
Page 29
Adjustment Item Table Device Functionality Note Data Range Function Note for Register Slava RAM Address Name Name Different Data No. (bit) Address (bit) Teletext Horizontal Position (58H) 18D (1-0) Teletext Vertical Position 18D (6-4) OSD H Position Option-Misc AC (7-2) Comb Selection A5 (7-6) APC Switch...
Page 30
KV-1499M7J RM-952 ITEM INFORMATION. No. OPB0 OP1 XTAL 4.43 XTAL 3.58 SECAM 2nd. Lang Item KV-1499M7J No. OPB1 OP2 Item NICAM HDEV Thai Bil Dis Fav. DVD Input AV Input KV-1499M7J No. OPB2 OP3 Item Pic Rot 2199 Cune Auto PIC...
KV-1499M7J RM-952 4-3. PICTURE QUALITY ADJUSTMENTS BELL FILTER ADJUSTMENT SUB COLOR ADJUSTMENT 1. Input SECAM color-bar signal. 2. Connect the dual-trace oscilloscope to the pin 9 (R-Y) of 1. Input a PAL color-bar. CN303 (not mounted). 2. Set to the following condition: 3.
KV-1499M7J KV-1499M7J KV-1499M7J SECTION 5 RM-952 RM-952 RM-952 DIAGRAM 5-1. BLOCK DIAGRAM MAIN. TUVIF AUDIO TV V in TU101 TV L in PROSESSOR BTF-LG433(I) <slave: C0H> IC203 TDA7429S <slave: 80H> SP ASSY AUDIO OUT IC201 TA8248K CRT SOCKET R out...
KV-1499M7J RM-952 5-4. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS N o t e : All capacitors are in F unless otherwise noted. All electrolytic capacitors are rated at 50V unless otherwise noted. All resistors are in ohms. = 1000 , M...
Page 38
KV-1499M7J RM-952 A BOARD IC001 CXP86449-622S CLOCK GENERATOR SPC700 CPU CORE A/D CONVERTER /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 PRESCALER/...
KV-1499M7J KV-1499M7J KV-1499M7J SECTION 6 RM-952 RM-952 RM-952 EXPLODED VIEW NOTE: Items with no part number and no des- Items marked " * " are not stocked since cription are not stocked because they they are seldom required for routine...
KV-1499M7J KV-1499M7J KV-1499M7J RM-952 SECTION 7 RM-952 RM-952 The components identified by shading The components identified by shading The components identified by shading and mark ! are critical for safety. and mark ! are critical for safety. and mark ! are critical for safety.
Page 47
KV-1499M7J RM-952 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 D635 8-719-073-01 DIODE MA111-(K8).S0 JR006 1-216-295-91 SHORT D636...
Page 48
KV-1499M7J RM-952 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 <PHOTO COUPLER> R011 1-216-065-91 RES,CHIP 4.7K 1/10W R012...
Page 49
KV-1499M7J RM-952 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 R216 1-216-059-00 RES,CHIP 2.7K 1/10W R363 1-216-079-00 RES,CHIP...
Page 50
KV-1499M7J RM-952 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 R557 1-216-345-11 METAL OXIDE 0.47 R648 1-216-057-00 RES,CHIP 2.2K...
Page 51
KV-1499M7J RM-952 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 <TUNER> D717 8-719-121-26 DIODE RD9.1ESL2 TU101 8-598-449-01 TUNER, FSS BTF-LG433 <JACK>...
Page 52
REMOTE COMMANDER (RM-952) <VARISTOR> 9-939-697-01 BATTERY COVER, REMOTE COMMANDER VDR461 1-803-830-31 VARISTOR ERZV14D621 ****** * ****************************************************** Sony Corporation English 99HS70177-1 SONY TV Industries (M) Sdn. Bhd. Printed in Malaysia 9-965-756-01 TV Business of General Area 1999. 8 – 72 –...