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SERVICE MANUAL
BG-2S CHASSIS
MODEL COMMANDER DEST. CHASSIS NO.
MODEL COMMANDER DEST. CHASSIS NO.
KV-J14P2S RM-869 Indonesia SCC-U10D-A
KV-J51PF2S RM-869 Indonesia SCC-U10E-A
1 2 3
4 5 6
7 8 9
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0
TV
TRINITRON ® COLOR TV
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KV-J14P2S/J51PF2S 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 Color system PAL, PAL 60, NTSC4.43, NTSC3.58 (AV IN) Channel coverage VHF: E2 to E12/UHF: E21 to E69/CATV: S01 to S03, S1 to S41 Audio output (speaker) 3W × 2 ù (antenna) 75 ohms external terminal Inputs É (video input) phono jacks D (video) 1 Vp-p, 75 ohms ³ (audio) 500 mVrms, high impedance Outputs (earphone) minijack KV-J14P2S 2 (he
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KV-J14P2S/J51PF2S RM-869 TABLE OF CONTENTS Section Title Page Section Title Page 6. DIAGRAMS 1. GENERAL .................................................................... 4 6-1. Block Diagram ...................................................... 27 6-2. Circuit Boards Location ....................................... 31 2. DISASSEMBLY 6-3. Schematic Diagrams and Printed Wiring Boards 31 2-1. Rear Cover Removal ............................................ 9 (1) Schematic Diagram of A Board ....
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KV-J14P2S/J51PF2S 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 SELECT — PROGR + 1 SELECT — PROGR + VHF LOW B/G 1 p KV-J51PF2S 2 3
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KV-J14P2S/J51PF2S RM-869 – 5 – Getting Started p KV-J14P2S to antenna socket Connections Rear of TV ³
D to antenna output É
VCR to É (video input) to video and audio (video) and D outputs ³ (audio) inputs : Signal flow Connecting a VHF antenna or a combination VHF/UHF antenna p KV-J51PF2S — 75-ohm coaxial cable (round) to antenna socket Attach an optional IEC antenna connector to the 75-ohm coaxial cable. Plug the connector into the (antenna) socket at the rear of the TV. Rear of TV ³
D R
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KV-J14P2S/J51PF2S RM-869 – 6 – Presetting channels automatically Presetting channels manually Disabling program positions Presetting channels 1 Press SELECT on the remote commander or 1 Press SELECT on the remote commander or 1 Press PROGR +/– or number buttons on the the TV until “AUTO PROGRAM” appears on the TV until “MANUAL PROGRAM” appears remote commander or PROGR +/– on the TV the screen. on the screen. until the unused or unwanted program position appears on the screen. SELECT SELECT SELE
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KV-J14P2S/J51PF2S RM-869 – 7 – Operations • The last TV program position or video input just before the TV Turning off the TV Displaying on-screen information turns into standby mode will appear when the TV is turned on Watching the TV using the Wake Up Timer. To turn off the TV temporarily • If no buttons or controls are pressed for more than two hours Press E G. Press on the remote commander. The indicator after the TV is turned on using the Wake Up Timer, the TV u u The program position, lo
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KV-J14P2S/J51PF2S RM-869 – 8 – Additional Information Good picture Adjusting the sound and picture Adjusting the sound Noisy sound Troubleshooting settings and picture 1 Press SELECT until the item you want to adjust appears. SELECT /Reduce the TREBLE level or select the “SOFT” sound mode. (KV-J51PF2S only) Ö SOUND 0 Each time you press SELECT, the screen changes as follows: No picture If you have any problems, read this manual again and MODE No sound check the countermeasure for each of the sym
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KV-J14P2S/J51PF2S RM-869 – 9 – SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-3. A BOARD REMOVAL 1 Four screws (+BVTP 4×16) Lever 2 Two screws (+BVTP 4×16) Lever A board 2-4. SERVICE POSITION 2-2. SPEAKER REMOVAL A board 1 Two screws (+BVTP 4×16) 2 Speaker block assy
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KV-J14P2S/J51PF2S RM-869 – 10 – 2-5. REPLACEMENT OF PARTS 2-6. DEMAGNETIZATION COIL REMOVAL For replacement of the Multi Button and Light Guide, cut the welded portions from them, exchange with the new parts, and fix them with screws (+BVTP) respectively. 1 Tension spring 2 Demagnetization coil 2-5-1. REPLACEMENT OF MULTI BUTTON Cut Cut 3 DGC holder 3 DGC holder Two screws Multi button (BVTP 3×12) Picture tube 2-5-2. REPLACEMENT OF LIGHT GUIDE Cut One screw Light guide (BVTP 3×12) Cut
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KV-J14P2S/J51PF2S RM-869 – 11 – 2-7. PICTURE TUBE REMOVAL 6 C board 7 Deflection yoke b b 4 A board 1 Two screws (+BVTP 4×16) 2 Speaker block assy 2 Using a thumb press down, then pull up the rubber cap firmly in the direction indicated by the arrow b. 8 Four screws (Tapping screws) 1 Two screws (+BVTP 4×16) c 3 Anode cap Anode button 2 Speaker block assy 3 When one side of the rubber cap is separated from the anode button, the anode-cap can be removed by turning up the
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KV-J14P2S/J51PF2S 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-J14P2S/J51PF2S 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
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KV-J14P2S/J51PF2S RM-869 (2) Dynamic Convergence Adjustment Preparation : 3. Move the deflection yoke as shown in the figure below and • Before starting this adjustment, adjust the horizontal static convergence and the vertical static convergence. optimize the convergence. 4. Tighten the deflection yoke screws. 1. Slightly loosen the deflection yoke screws. 2. Remove the deflection yoke spacer. 5. Install the deflection yoke spacer. R B B G R G G R G B B R B G R R
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KV-J14P2S/J51PF2S RM-869 3-3. FOCUS ADJUSTMENT 3-5. G2 (SCREEN) AND WHITE BALANCE Adjust FOCUS control on the C board (RV703) for the best focus. ADJUSTMENTS 1. G2 (SCREEN) ADJUSTMENT (RV701) 3-4. ADJUSTMENT WITH COMMANDER 1) Set the PICTURE and BRIGHTNESS to normal. a. AN ITEM OF ADJUSTMENT 2) Put to VIDEO input mode without signals. 3) Connect R, G and B of the C board cathode to the oscilloscope. Adjustment Item Initial DATA Note 4) Adjust G2 (RV701) volume to the value below. number item 09
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KV-J14P2S/J51PF2S 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 60ss each time. The flickering frequency responding to each failed device is shown below. Y/C JUNGLE NONVOLATILE TONE — — — MEMORY (IC300) CONTROL Device (IC003) (IC201) Flickering 1 — 3 — — 6
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KV-J14P2S/J51PF2S 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 [0] Executes the writing With the unit on standby ↓ DISPLAY [7], [0] All data becomes the values in memory ↓ [8], [0] All user control goes to the standard state 5 [5], [0] Service data initialization (Be sure not to use ↓ usual
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KV-J14P2S/J51PF2S RM-869 5-2. ADJUSTMENT METHOD Item Number 08 This explanation uses V-SHIFT as an example. Use the same method for Items Number 00-33. 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 [0]. 3. Select the optimum state. (The standard is 0F for PAL reception.) 4. Write with the [MUTING] button. 5. Execute
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KV-J14P2S/J51PF2S RM-869 Adjustment Item Table (KV-J14P2S) 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
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KV-J14P2S/J51PF2S 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 F
