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HISTORY INFORMATION FOR THE FOLLOWING MANUAL:
SERVICE MANUAL BA-4D CHASSIS
MODEL NAME REMOTE COMMANDER DESTINATION CHASSIS NO.
KV-27S42 RM-Y165 US SCC-S27H-A
KV-27S42 RM-Y165 CND SCC-S28F-A
KV-27S46 RM-Y167 US SCC-S27K-A
KV-27S66 RM-Y167 US SCC-S27L-A
KV-27S66 RM-Y167 CND SCC-S28G-A
KV-29AL42 RM-Y165 E SCC-S25U-A
KV-29AL42C RM-Y165 E SCC-S25Y-A
KV-29AL66 RM-Y167 E SCC-S25T-A
KV-29AL66C RM-Y167 E SCC-S25V-A
KV-29SL42 RM-Y165 E SCC-S25W-A
KV-29SL42C RM-Y165 E
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SERVICE MANUAL BA-4D CHASSIS MODEL COMMANDER DEST CHASSIS NO. KV-27S42 RM-Y165 US SCC-S27H-A KV-27S42 RM-Y165 CND SCC-S28F-A KV-27S46 RM-Y167 US SCC-S27K-A KV-27S66 RM-Y167 US SCC-S27L-A KV-27S66 RM-Y167 CND SCC-S28G-A KV-29AL42 RM-Y165 E SCC-S25U-A KV-29AL42C RM-Y165 E SCC-S25Y-A KV-29AL66 RM-Y167 E SCC-S25T-A KV-29AL66C RM-Y167 E SCC-S25V-A KV-29SL42 RM-Y165 E SCC-S25W-A KV-29SL42C RM-Y165 E SCC-S25S-A KV-29SL46 RM-Y167 E SCC-S25X-A KV-29XL42M RM-Y165 MX SCC-S26C-A KV-29AL66 RM-Y167 ® TRINITRO
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M SPECIFICATIONS KV-29SL46 KV-27S46 KV-29AL42 KV-29AL66C KV-29XL42M KV-27S42 KV-27S66 KV-29AL42C KV-29AL66 KV-29SL42 KV-29SL42C 120-220V 120-220V 120-220V Power Requirements 120V,60Hz 120V,60Hz 50/60Hz 50/60Hz 50/60Hz Number of input/outputs 1) Video 12 23 1, 2(KV-29SL46) 2) S Video 11 11 1 3) Audio 12 23 1, 2(KV-29SL46) 4) Audio Out 11 11 1 Monitor Out -- - 1 - Speaker Output(W) 5WX2 5WX2 10WX2 10WX2 5WX2 Power Co
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M TABLE OF CONTENTS Section Title Page Warnings and Cautions..................................................................................................................................... 4 Self-Diagnostic Function ................................................................................................................................... 4 Safety Check-Out Instructions ...................................
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M WARNINGS AND CAUTIONS CAUTION ATTENTION!! SHORT CIRCUIT THE ANODE OF THE PICTURE TUBE AND THE APRES AVOIR DECONNECTE LE CAP DE L'ANODE, COURT-CIRCUITER ANODE CAP TO THE METAL CHASSIS, CRT SHIELD, OR CARBON L'ANODE DU TUBE CATHODIQUE ET CELUI DE L'ANODE DU CAP AU CHASSIS PAINTED ON THE CRT, AFTER REMOVING THE ANODE. METALLIQUE DE L'APPAREIL, OU AU COUCHE DE CARBONE PEINTE SUR LE TUBE CATHODIQUE OU AU BLINDAGE DU TUB
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M Display of Standby/Timer LED Flash Count 2 times 4 times 5 times LED ON 0.3 sec. LED OFF LED OFF 0.3 sec. STANDBY/TIMER LED 3 sec. Diagnostic Item Flash Count* +B overcurrent 2 times Vertical deflection stopped 4 times White balance failure 5 times *One flash count is not used for self-diagnostic. Stopping the Standby/Timer LED Flash Turn off the power switch on the TV main unit or unplug the power cord from the ou
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M Self-diagnostic Circuit IC301 IC541 IC001 IC003 Y/CHROMA JUNGLE V. OUT SYSTEM MEMORY FROM IO-BDAT B-DAT 21 IK IN 36 5 CRT REF 3 17 I-PROT FROM IC521 18 HP/PROTECT PIN 7 O-LED 18 SDA 35 37 IO-SDAT DISPLAY +B overcurrent (OCP) Occurs when an overcurrent on the +B (115V) line is detected by pin 18 of IC301. If the voltage of pin 18 of IC 301 is less than 1V when V.SYNC is more than seven verticals in a period, the uni
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M SAFETY CHECK-OUT Leakage Test After correcting the original service problem, perform the following safety checks before releasing the set to the The AC leakage from any exposed metal part to earth customer: ground and from all exposed metal parts to any exposed metal part having a return to chassis, must not exceed 1. Check the area of your repair for unsoldered or 0.5 mA (500 microampere). Leakage current can be p
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M SECTION 1 GENERAL The following are partial abstracts from the Operating Instruction Manual. The page numbers shown reflect those of the Operating Instruction Manual. User Guide Connecting Your TV This section covers basic connections in addition to any optional Connecting Additional Equipment equipment you may be connecting. TV and VCR TV Basic Connections TV with indoor or outdoor antenna, or CATV cable Dependi
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M Connecting Your TV User Guide TV, VCR, and Cable box TV and Digital Satellite Receiver TV TV 2 From cable/ antenna 3 Satellite receiver VCR 1 Satellite antenna cable 2 Cable box 4 (Optional connection) 1 3 Cable 1 Connect the coaxial cable from the wall to the IN jack on your cable box. 2 Connect a coaxial cable (not supplied) from the OUT jack on your 1 Connect the cable from your satellite antenna to SATELLITE
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M Connecting Your TV User Guide Connecting an audio system Connecting two VCRs for Tape Editing KV-27V42, 27V66 only Using audio connectors, connect AUDIO OUT on your TV to one of the unused line inputs (e.g. TV, AUX, TAPE 2) on your stereo. MONITOR OUT gives you the ability to use a second VCR to record a program being played by the primary VCR to perform tape editing. (Rear panel KV-27V66 only) 1 AUDIO-L AU
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/29AL66C/ 29SL42/29SL42C/29SL46/29XL42M SECTION 2 DISASSEMBLY 2-1. REAR COVER REMOVAL 2-2. REAR COVER REMOVAL (KV-27S46/27S66) (KV-29SL42/29SL42C/29SL46/29XL42M) Rear Cover Seven screws (BVTP 4X16) Two screws (BVTP 3X10) 2-3. REAR COVER REMOVAL 2-4.CONTROL SWITCH REMOVAL (KV-29AL42/29AL42C/29AL66/29AL66C) (KV-29AL42/29AL42C/29AL66/29AL66C) Rear Cover Control Switch Four Claws Nine Screws (BVTP 3x12) Two Screws (BVTP 3x10) — 11 —
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M 2-5. CHASSIS ASSEMBLY REMOVAL 2-6. CHASSIS ASSEMBLY REMOVAL (KV-29AL42/29AL42C/29AL66/29AL66C) (KV-27S46/27S66/29SL42/29SL42C/29SL46/29XL42M) Board Claw Board claw HV Board K Board E Board 2 clips A Board (KV-27S42/27S46/27S66 only) E Board A Board 2-7. SERVICE POSITION C Board P Board A Board 2 clips (KV-27S42/27S46/27S66 only) E Board — 12 —
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/29AL66C/ 29SL42/29SL42C/29SL46/29XL42M 2-8. PICTURE TUBE REMOVAL WARNING: A board Tension Spring BEFORE REMOVING E board THE ANODE CAP Degaussing Coil High voltage remains in the CRT even after the power is disconnected. To avoid electric shock, discharge CRT before attempting to remove the anode Deflection Y oke cap. Short between anode and CRT (KV-29AL66/29AL66C/ K board C / CV Two DGC holders (M) 27S66/29AL42/ coated earth ground strap. board (KV-29
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M SECTION 3 SET-UP ADJUSTMENTS The following adjustments should be made when Perform the adjustments in order as follows: 1. Beam Landing a complete realignment is required or when a new 2. Convergence picture tube is installed. 3. Focus These adjustments should be performed with rated 4. Screen (G2) power supply voltage unless otherwise noted. 5. White Balance Set the controls as follows unless otherwise noted. Note
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M 3-2. CONVERGENCE Horizontal Static Convergence Before starting convergence adjustments: If the blue dot does not converge with the red and green dots, perform the following: 1. Perform FOCUS, V.LIN AND V.SIZE adjustments. 1. Move BMC magnet (a) to correct insufficient H. Static 2. Set BRIGHTNESS control to minimum. convergence. 3. Feed in dot pattern. 2. Rotate BMC magnet (b) to correct insufficient V. Static conve
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M 3-5. METHOD OF SETTING THE SERVICE Screen-Corner Convergence ADJUSTMENT MODE 1. Affix a permalloy assembly corresponding to the misconverged areas. Service Mode Procedure a 1. Standby mode (power off). b a b 2. 5 + Display Channel Sound volume Power a-d: screen-corner on the Remote Commander (press each button within a misconvergence c cd second). Service Adjustment Mode In d 1. The CRT displays the item being adju
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M SECTION 4 SAFETY RELATED ADJUSTMENTS Hold-down Readjustment 4-1. R584 CONFIRMATION METHOD (HV HOLD-DOWN CONFIRMATION) If the setting indicated in step 2 of Hold-down Operation AND READJUSTMENTS Confirmation cannot be met, readjustment should be performed by altering the resistance value of R584, components marked The following adjustments should always be performed when with . replacing the following components wh
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M Digltal Multimeter + – TP600 C574 R584 T505 FBT ABL11 1SS119 A + + + – – – Ammeter 3mA DC Range Power Digital Supply Multimeter Figure 1 — 18 —
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KV-27S42/27S46/27S66/29AL42/29AL42C/29AL66/ 29AL66C/29SL42/29SL42C/29SL46/29XL42M SECTION 5 CIRCUIT ADJUSTMENTS Use the Remote Commander (RM-Y168) to perform the circuit adjustments in this section. NOTE: Test Equipment Required: • Pattern generator • Frequency counter • Digital multimeter • Audio oscillator 5-1. Setting the Service Adjustment Mode 5-2. Memory Write Confirmation Method 1. Standby mode (power off). 1. After adjustment, remove the power plug from the AC outlet, then plug it in ag
