SERVICE MANUAL MODEL COMMANDER DEST. KV-T29SN81 CHASSIS NO. BG-1S CHASSIS MODEL COMMANDER DEST. CHASSIS NO.
KV-T29SN81 RM-870 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.
KV-T29SN81 RM-870 TABLE OF CONTENTS Section Title Page SELF DIAGNOSIS REMOVAL ............................. 4 1. GENERAL .................................................................... 5 Section Rear Cover Removal ............................................ A Board Removal ................................................ F1 Board Removal ............................................... Service Position ................................................... Replacement of Parts ...................
KV-T29SN81 RM-870 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.
SECTION 1 GENERAL The operating instructions mentioned here are partial abstracts from the Operating Instructions Manual. The page numbers of the Operating Instruction Manual remain as in this manual.
RM-870 Front of TV Connections Camcorder VIDEO 1 INPUT VIDEO AUDIO R L (MONO) to video and audio outputs : Signal flow Connecting a VHF antenna or a combination VHF/UHF antenna — 75-ohm coaxial cable (round) When using the video input jacks Do not connect video equipment to the video input jacks at the front and the rear (VIDEO IN 1 for this model) of your TV simultaneously; otherwise the picture will not be displayed properly on the screen.
Operations Presetting channels Presetting channels manually Watching the TV To switch off the TV temporarily, press POWER on the remote commander. To change the channel for a particular program position or to receive a channel with a weak signal, preset the channel manually. 1 2 Presetting channels automatically 3 You can preset up to 80 TV channels in numerical sequence from program position 1. 2 4 1 Switching off the TV POWER Press MANUAL PROGR.
DISPLAY REVEAL Each time you press SELECT, the screen changes as follows: Adjusting the picture and sound PICTURE COLOR (Operative for KV-T29 only) BRIGHT (Operative for NTSC signal only) Setting the Sleep Timer HUE TILT CORRECTION + or – SELECT PIC MODE You can set the TV to turn off automatically after the period of time you want. 1 AUTO B/G STANDARD Press SLEEP.
Selecting a stereo or bilingual program System Receiving area Press the color button which corresponds to the colorcoded menu. The page is displayed after a few seconds. NICAM Hong Kong, Singapore, New Zealand, etc. Selecting a Teletext page A2 (German) Australia, Malaysia, Thailand, etc. Receiving area for NICAM and A2 (German) programs Viewing Teletext To input the three-digit page number of the Teletext page, press the number buttons.
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. No picture No sound / Press POWER. / Check the antenna connection. / Check the VCR connections. / Check the power cord connection. / Check the standby mode. Good picture No sound Snowy picture Noisy sound / Press VOLUME +. / Press MUTING. / Press A/B/ENLARGE – 10 – / Check the antenna.
SECTION 2 DISASSEMBLY 2-3. F1 BOARD REMOVAL 2-1. REAR COVER REMOVAL F1 board 2 Three screws (BVTP 4×16) 4 One screw (BVTP 3×16) – 11 – 1 Three screws (BVTP 4×16) 2-2. A BOARD REMOVAL 2-4.
RM-870 For replacement of the Multi Button, Power Button and Light Guide, cut the welded portions from them, exchange with the new parts, and fix them with screws (+BVTP) respectively. 2-5-1. REPLACEMENT OF MULTI BUTTON 2 DGC holder Remove the claw Two screws (BVTP 3×12) 3 Demagnetization coil 1 DGC band – 12 – 2-5-2. REPLACEMENT OF LIGHT GUIDE POWER BUTTON 4 Tension spring Light guide Cut Power button Two screws (BVTP 3×12) Picture tube KV-T29SN81 2-6. DEMAGNETIZATION COIL REMOVAL 2-5.
2-7. PICTURE TUBE REMOVAL NOTE : The picture tube for this model is upside-down and the position for the anode-cap and tension spring is changed accordingly b 3 F1 board b 4 C board 5 VM board 6 Deflection yoke 2 A board 7 Four screws (Tapping screws) 2 Using a thumb press down then pull up the rubber cap firmly in the direction indicated by the arrow b.
KV-T29SN81 RM-870 SECTION 3 SET-UP ADJUSTMENTS • • 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 ........................................................... normal BRIGHTNESS control ...................................................
KV-T29SN81 RM-870 • 3-2. CONVERGENCE Preparation : • Before starting this adjustment, adjust the focus, horizontal size, and vertical size. • Minimize the brightness setting. • Provide dot pattern. If the V.STAT magnet is moved in the direction of the a and b arrows, the red, green, and blue points move as shown below. 1 a a b (1) b Horizontal and Vertical Static Convergence Center dot b B B G G R R 2 R a a G B R G R B H.STAT V.STAT Magnet b G B b B G R 3 b RV 702 H.
KV-T29SN81 RM-870 • Operation of BMC (Hexapole) Magnet If the red, green and blue dots are not balanced or aligned, then use the BMC magnet to adjust in the manner described below. R G B R G B R G B • Y separation axis correction magnet adjustment. 1. Receive the cross-hatch signal and adjust [PICTURE] to “MIN” and [BRIGHTNESS] to “STANDARD” . 2. Adjust the Y separation axis correction magnet on the neck assembly so that the horizontal lines at the top and bottom of the screen are straight.
KV-T29SN81 RM-870 (2) Dynamic Convergence Adjustment Preparation : • Before starting this adjustment, adjust the horizontal static convergence and the vertical static convergence. 1. Slightly loosen the deflection yoke screws. 2. Remove the deflection yoke spacer. 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.
KV-T29SN81 RM-870 DATA 3-3. FOCUS ADJUSTMENT Adjust FOCUS control on the flyback transformer for the best focus. 09 RDR 1F SERVICE Adjustment Item Item number 09 RDR 1F WRITE MUTING 0 Executes the writing Focus 3-4. G2 (SCREEN) AND WHITE BALANCE ADJUSTMENTS Note: Screen VR is not use. 1. 1) 2) 3) 4) a. AN ITEM OF ADJUSTMENT Item number 09 0A 0B Adjustment Initial DATA item RDR 25 GDR 20 BDR 20 Note WHITE POINT R WHITE POINT G WHITE POINT B b.
KV-T29SN81 RM-870 SECTION 4 CIRCUIT ADJUSTMENTS 4-1. ADJUSTMENTS WITH COMMANDER Service adjustments are made with the RM-870 that comes with this unit.
KV-T29SN81 RM-870 4-2. 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 PAL reception.) 4. Write with the [MUTING] button. 5. Execute the writing with the [0] button. (The WRITE display returns to green SERVICE.) 08 VSF 0C SERVICE Use the same method for Items Number 00-4B.
KV-T29SN81 RM-870 Adjustment Item Table Item Adjustment number Item Data range Initial data Standard data Note Device 00 01 02 03 04 05 06 07 08 HSF HSZ PAP CNP TLT VSL VAP SCR VSF 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 00–3F 2 23 21 29 20 20 1D 20 20 H SHIFT H SIZE PIN AMPLITUDE CORNER PIN TILT V SLOPE V AMPLITUDE S CORRECTION V SHIFT TDA8375A TDA8375A TDA8375A TDA8375A TDA8375A TDA8375A TDA8375A TDA8375A TDA8375A 09 0A 0B RDR GDR BDR 00–3F 00–3F 00–3F 25 20 20 WHITE POINT R WHITE
KV-T29SN81 RM-870 Adjustment Item Table Item number Adjustment Item Data range Initial data BKP HBL HBR VBH VBL ODL OFR OFM OSH DKS MUT DWZ ABL DTV SCM ROC ROS DVM FBT OP0 OP1 OP2 00–3F 00–3F 00–3F 00–7F 00–FF 00–FF 00–0F 00–0F 00–3F 00–01 00–01 00–01 00–01 00–01 00–01 00–0F 00–07 00–01 00–01 00–FF 00–FF 00–FF 00 25 20 00 FF 10 00 00 0A 00 01 00 01 00 00 07 03 00 00 40 07 00 36 37 38 39 3A 3B 3C 3D 3E 3F 40 41 42 43 44 45 46 47 48 49 4A 4B Standard data Note Device BLK OFF PICTURE H BLK LEFT WID
KV-T29SN81 RM-870 4-3. A BOARD ADJUSTMENT AFTER IC003 (MEMORY) REPLACEMENT 4-4. PICTURE DISTORTION ADJUSTMENT Item Number 00 – 08 1. Enter to Service Mode. (H SHIFT) 0000 HSFHSF (H SHIFT) 2. Press commander buttons [5] and [0] (Data Initialize), and [2] and [0] (Data Copy) to initialize the data. 3. Call each item number, and check if the respective screen shows the normal picture. In case some items are not well-adjusted, give them fine adjustment. Write the data per each item number ([MUTING] + [0]).
KV-T29SN81 RM-870 MEMO ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
KV-T29SN81 KV-T29SN81 KV-T29SN81 RM-870 RM-870 RM-870 5-5.
KV-T29SN81 KV-T29SN81 RM-870 RM-870 SECTION 6 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. • Items marked " * " are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items.
KV-T29SN81 KV-T29SN81 RM-870 RM-870 SECTION 7 ELECTRICAL PARTS LIST NOTE: The components identified by shading and mark ! are critical for safety. Replace only with part number specified. • Items marked " ∗ " are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. When indicating parts by reference number, please include the board name. • All variable and adjustable resistors have characteristic curve B, unless otherwise noted.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. A DESCRIPTION REMARK REF. NO. PART NO. 1-107-364-11 1-163-009-11 1-102-244-00 1-126-960-11 1-136-597-11 MYLAR CERAMIC CHIP CERAMIC ELECT FILM 0.01MF 0.001MF 220PF 1MF 0.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. A REF. NO. PART NO. DESCRIPTION REMARK REF. NO. PART NO. 8-759-708-12 8-759-336-30 8-759-365-26 8-759-565-20 8-759-054-12 DESCRIPTION REMARK D403 D513 D551 D561 D591 8-719-911-19 8-719-109-84 8-719-908-03 8-719-911-19 8-719-911-19 DIODE 1SS119-25 DIODE RD5.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. A REF. NO. PART NO.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. A DESCRIPTION REMARK R636 R801 1-215-924-00 1-215-945-11 METAL OXIDE METAL OXIDE 15K 3.3K 5% 5% 3W 5W F F R802 R803 R804 R805 R809 1-249-381-11 1-216-057-00 1-216-049-91 1-216-081-00 1-247-756-11 CARBON RES,CHIP RES,CHIP RES,CHIP CARBON 1 2.2K 1K 22K 2.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. A3 A REF. NO. PART NO.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. C REF. NO. PART NO. C710 C712 C713 C714 C716 1-102-114-00 1-102-107-00 1-102-107-00 1-102-107-00 1-126-968-11 DESCRIPTION CERAMIC CERAMIC CERAMIC CERAMIC ELECT REMARK 470PF 120PF 120PF 120PF 100MF 10% 10% 10% 10% 20% 50V 50V 50V 50V 50V REF. NO. PART NO.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. F1 V1 DESCRIPTION REMARK * A-1241-269-A F1 BOARD, MOUNTED ********************* 1-533-223-11 CLIP, FUSE C1601 ! 1-104-706-51 FILM 0.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. VM V1 REF. NO. PART NO. Q06 Q07 Q08 Q09 8-729-120-28 8-729-019-01 8-729-140-96 8-729-027-23 DESCRIPTION REMARK TRANSISTOR 2SC1623-L5L6 TRANSISTOR 2SD2394-EF TRANSISTOR 2SD774-34 TRANSISTOR DTA114EKA-T146 REF. NO. PART NO.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. REF. NO. PART NO. VM DESCRIPTION REMARK D1761 D1763 D1764 D1767 D1768 8-719-911-19 8-719-911-19 8-719-911-19 8-719-110-88 8-719-110-88 DIODE 1SS119-25 DIODE 1SS119-25 DIODE 1SS119-25 DIODE RD39ESB2 DIODE RD39ESB2 D1769 D1770 D1774 D1775 D1840 8-719-911-19 8-719-911-19 8-719-109-84 8-719-109-84 8-719-302-43 DIODE 1SS119-25 DIODE 1SS119-25 DIODE RD5.
KV-T29SN81 RM-870 The components identified by shading and mark ! are critical for safety. Replace only with part number specified. VM REF. NO. PART NO. R1851 R1901 1-249-393-11 1-249-399-11 DESCRIPTION CARBON CARBON REMARK 10 33 5% 5% REF. NO. PART NO.