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SERVICE MANUAL BG-2S CHASSIS
MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO.
KV-G14M2 RM-869 Russia SCC-U11A-A
TRINITRON ® COLOR TV
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KV-G14M2 RM-869 SPECIFICATIONS Note Power requirements 110-240 V AC, 50/60 Hz Power consumption (W) Indicated on the rear of the TV Television system B/G, I, D/K, M Color system PAL, PAL 60, SECAM, NTSC4.43, NTSC3.58 Channel coverage B/G VHF: E2 to E12 / UHF: E21 to E69 / CATV: S01 to S03, S1 to S41 I UHF: B21 to B68 / CATV: S01 to S03, S1 to S41 D/K VHF: C1 to C12, R1 to R12/UHF: C13 to C57, R21 to R60 / CATV: S01 to S03, S1 to S41, Z1 to Z39 M VHF: A2 to A13 / UHF: A14 to A79 / CATV: A-8 to A-
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KV-G14M2 RM-869 TABLE OF CONTENTS Section Title Page Section Title Page 1. GENERAL .................................................................... 4 6. DIAGRAMS 6-1. Block Diagram ...................................................... 23 2. DISASSEMBLY 6-2. Circuit Boards Location ....................................... 26 2-1. Rear Cover Removal ............................................ 9 6-3. Schematic Diagrams and Printed Wiring Boards. 26 2-2. A Board Removal ........................
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KV-G14M2 RM-869 – 4 – The operating instructions mentioned here are partial abstracts from the SECTION 1 Operating Instructions Manual. The page numbers of the Operating Instruction Manual remain as in this manual. GENERAL – VOLUME + SELECT TV/VIDEO – PROGR + 3 2 ò 1 SELECT – PROGR + 1 VHF LOW B/G 1 2 3 D Ö³ ÖÉ Öò
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KV-G14M2 RM-869 – 5 – Getting Started Connecting optional equipment Connections You can connect optional audio/video equipment to your TV such as a VCR, multi disc player, camcorder, or video game. Connecting video equipment using the É (video input) jack Front of TV Camcorder É D ³ Connecting a VHF antenna or a combination VHF/UHF antenna to video and audio outputs — 75-ohm coaxial cable (round) to É (video input) Attach an optional IEC antenna connector to the 75-ohm coaxial cable. (video) and
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KV-G14M2 RM-869
– 6 – If the picture color is poor and/or the sound is 5 Press +/– on the remote commander or 5 Press PROGR +/– or number buttons on the noisy Presetting channels . +/– on the TV again. remote commander or PROGR +/– on the TV Select the appropriate TV system as follows: until the required program position – . + 1 Press SELECT on the remote commander or the TV appears on the screen. or 1 2 3 1 until “TV SYSTEM” appears. PROGR 1 2 3 – PROGR + 2 Press +/– on the remote
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KV-G14M2 RM-869 í – 7 – Operations • If no buttons or controls are pressed for more than two hours Turning off the TV Displaying on-screen information after the TV is turned on using the Wake Up Timer, the TV Watching the TV automatically turns into standby mode. If you want to To turn off the TV temporarily continue watching the TV, press any button or control on the Press E G. TV or remote commander. Press on the remote commander. The indicator u u The program position, local system, and TV s
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KV-G14M2 RM-869 – 8 – Additional Information No picture Each time you press SELECT, the screen changes as No sound Adjusting the follows: Troubleshooting picture PICTURE COLOR BRIGHT /Press or . U u (Operative for /Check the antenna connection. NTSC signal only) /Check the VCR connections. /Check the power cord connection. HUE SHARPNESS If you have any problems, read this manual again and Note on the SOUND MODE button /Check the standby mode. • The sound mode feature is unavailable for your TV.
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KV-G14M2 RM-869 – 9 – SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-3. F1 BOARD REMOVAL F1 board 1 Seven screws (BVTP 4×16) 2 Four screws (BVTP 4×16) 2-2. A BOARD REMOVAL 2-4. SERVICE POSITION A board Lever Lever A board
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KV-G14M2 RM-869 – 10 – 2-5. REPLACEMENT OF PARTS 2-6. TERMINAL BOARD BRACKET REMOVAL For replacement of the Multi Button and Light Guide, cut the welded portions Terminal board bracket from them, exchange with the new parts, and fix them with screws (+BVTP) respectively. Terminal board bracket 2-5-1. REPLACEMENT OF MULTI BUTTON Cut Multi button Multi button Cut Two claws Three screws (BVTP 3×12) A board A board • SCREWING TORQUE 7±1 kg•cm 2-5-2. REPLACEMENT OF LIGHT GUIDE 2-7. DEMAGNETIZATION
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KV-G14M2 RM-869 – 11 – 2-8. PICTURE TUBE REMOVAL b 3 F1 board b 4 C board 2 A board 2 Using a thumb press down, then pull up the rubber cap firmly in the direction indicated by the arrow b. 5 Deflection yoke c 6 Four screws (Tapping screws) 1 Anode cap Anode button 3 When one side of the rubber cap is separated from the anode button, the anode-cap can be removed by turning up the rubber cap and pulling it up in the direction of the arrow c. • HOW TO HANDLE AN ANODE-CAP 1 Do not
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KV-G14M2 RM-869 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. Convergence supply voltage unless otherwise noted. 3. Focus 4. White Balance Controls and switch should be set as follows unless otherwise noted: Note : Test Equipment Required: PICTURE control .................
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KV-G14M2 RM-869 • Operation of V.STAT magnet. 3-2. CONVERGENCE If the V.STAT magnet is moved in the direction of the a and Preparation : b arrows, the red, green and blue dots move as shown below. • Before starting this adjustment, adjust the focus, horizontal size, and vertical size. 1 • Minimize the brightness setting. a ab • Provide dot pattern. B B b b GG (1) Horizontal and Vertical Static Convergence R R Center dot R 2 G a a B R G B R G B V.STAT Magnet b b B G R 3 a
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KV-G14M2 RM-869 (2) Dynamic Convergence Adjustment Preparation : • Before starting this adjustment, adjust the horizontal static R B convergence and the vertical static convergence. B G R G G 1. Slightly loosen the deflection yoke screws. R G B B R 2. Remove the deflection yoke spacer. 3. Move the deflection yoke as shown in the figure below and optimize the convergence. B G R R G B 4. Tighten the deflection yoke screws. 5. Install the deflection yoke space
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KV-G14M2 RM-869 3-4. a. AN ITEM OF ADJUSTMENT 3-5. G2 (SCREEN) AND WHITE BALANCE Item Adjustment Initial DATA Note number Item ADJUSTMENTS 09 RDR 25 WHITE POINT R 1. G2 (SCREEN) ADJUSTMENT (RV701) 0A GDR 20 WHITE POINT G 1) Set the PICTURE and BRIGHTNESS to normal. 2) Put to VIDEO input mode without signals. 0B BDR 20 WHITE POINT B 3) Connect R, G and B of the C board cathode to the oscilloscope. b. METHOD OF CANCELLATION FROM SERVICE 4) Adjust G2 (RV701) volume to the value below. MODE POWER Se
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KV-G14M2 RM-869 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 the LED's for 60ms each time. The flickering frequency responding to each failed device is shown below. Board name A Board A Board Ref. No. IC003 IC300 NONVOLATILE Y/C JUNGLE Device MEMORY (TDA8374A) (ST24C04FB6) Fl
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KV-G14M2 RM-869 SECTION 5 CIRCUIT ADJUSTMENTS 5-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-869 that comes with this unit. 1, 4 Raise/lower the service item number 3, 6 Raise/lower the data [MUTING] Writes Entering service mode - Executes the writing With the unit on standby ↓ DISPLAY 7, - All data becomes the values in memory ↓ 8, - All user control goes to the standard state 5 5, - Service data initialization (Be sure not to use ↓ usually.) (+) VOL 2, - Write 50Hz a
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KV-G14M2 RM-869 5-2. ADJUSTMENT METHOD Item Number 08 This explanation uses V-SHIFT as an example. Use the same method for Items Number 00-40. Use 1 and 4 to select the adjustment item, use 3 and 6 to adjust, write with 1. Select 08 V-SHIFT with the 1 and 4 buttons. 2. Raise/lower the data with the 3 and 6 buttons. MUTING , then execute the write with -. 3. Select the optimum state. (The standard is 0F for PAL reception.) 4. Write with the MUTING button. 5. Execute the writing with the - button.
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KV-G14M2 RM-869 Adjustment Item Table Item Adj. Data Initial Note for Different Data Function Device Range Data No. Item 00 HSF 00–3F 50: 2C 60: 33 H Shift TDA8375 01 HSZ 00–3F 50: 35 60: 35 H Size TDA8375 02 PAP 00–3F 50: 25 60: 25 Pin Amplitude TDA8375 03 CNP 00–3F 50: 10 60: 0C Corner Pin TDA8375 04 TLT 00–3F 50: 20 60: 2D Tilt TDA8375 05 VSL 00–3F 50: 1F 60: 1F V Slope TDA8375 06 VAP 00–3F 50: 1C 60: 1B V Amplitude TDA8375 07 SCR 00–3F 50: 16 60: 16 S Correction TDA8375 08 VSF 00–3F 50: 10 6
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KV-G14M2 RM-869 Item Adj. Data Initial Note for Different Data Function Device No. Item Range Data 37 OFM 00–0F 00 RGB Output Time (AC OFF) Other Control 38 OSH 00–3F 0A OSD H POSITION Other Control 39 DSK 00–01 00 D/K Stereo enable/disable TDA8375 3A MUT 00–01 00 Muting on/off at No. Sync Other Control 3B ABL 00–01 00 Bright ABL Switch Other Control 3C SCM 00–01 00 SECAM Trap active/inactive Other Control 3D FBT 00–01 01 FBT L/S C/M stract/plain Other Control 3E OP0 00–FF 4F Optional Flags 0 (s
