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SERVICE MANUAL
MODEL COMMANDER DEST. CHASSIS NO. MODEL COMMANDER DEST. CHASSIS NO.
FDL-PT22 US
FDL-PT22/JE JE
LCD COLOR TV
* Please file according to model size. ....
2.2
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SPECIFICATIONS TV standerd American TV standerd Power requirements 4.5 V DC Channel converage Power consumption Approx : 2.9W VHF : 2-13 Speaker Ø28 mm (1 1/8 in.), 0.1 W UHF : 14-69 Temperature range 32 ˚F - 104 ˚F (0 ˚C - 40 ˚C) Antenna VHF/UHF strap antenna Dimensions Approx. 91x109x64mm (w/h/d) Display format (3 5/8 x 4 3/8 x 2 5/8 in.) excl. Transmission type TN liquid crystal Projecting parts and controls panel Strap length Approx. 1,300 mm (51 1/4 in.) Drive format Passive matrix Mass Ap
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TABLE OF CONTENTS Section Title Page Section Title Page 1. GENERAL ....................................................................... 4 4. DIAGRAMS 4-1. Block Diagram ........................................................ 11 2. DISASSEMBLY 4-2. Circuit Boards Location .......................................... 15 2-1. Cabinet Removal ..................................................... 6 4-3. Printed Wiring Boards and Schematic Diagrams .... 15 2-2. Service Position .....................
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– 4 – SECTION1 The operating instructions mentioned here are partial abstracts from the Operating Instruction Manual. The page numbers of the Operating In- GENERAL struction Manual remein as in the manual. 1 111 1 A B Power Sources (see fig. A) Operation (see fig. B) a Alkaline Batteries 1 Set the OFF/VHF/UHF switch to VHF or UHF 2 222 2 whichever band you want to watch. Use Sony LR6 alkaline batteries (not supplied). EXT ANT 2 Press the CH +/– button to select a channel. 1 Push and slide the ba
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– 5 – C VHF UHF External Antenna Connection (see fig. C) Connect an antenna cord EAC-39 (not supplied) or EAC- a 110 (not supplied) to the TV. This will improve the TV’s reception. b c d e To EXT ANT a Mixer b 75Ω coaxial cable c Feeder d EAC-39 antenna cable (not supplied) e EAC-110 antenna cable (not supplied)
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SECTION 2 DISASSEMBLY 2-1. CABINET REMOVAL 1. Remove battery cover 8. 2. Push the two hooks in the lower section of the rear cabinet with a pint and the like to undo them. 1Front cabinet assy 2Channel button 3 B board 4A board 1Screw Hooks (+P2 x 10) 5T board 3. While pressing the rear cabinet, undo hooks on the periphery. 4. Insert a pin into the upper side of the cabinet, and while push- ing the hook, tilt the pin to the rear cabinet side. 5. Remove the channel button 2. Claw 6. Remove the spe
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2-2. SERVICE POSITION Service cord 1-900-211-84 CN602 A board CN601 Service cord 1-900-211-84 B board T board CN301 CN201 J101 Mini jack AC Power Antena adapter AC-E45HG – 7 –
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SECTION 3 CIRCUIT ADJUSTMENT 3-1. A BOARD ADJUSTMENT 3-2. T BOARD ADJUSTMENT - T BOARD - (COMPONENT SIDE) +4.5V ADJUSTMENT Measure the voltage between JL32 (4.5V) and JL33 (GND) with a digital voltmeter, and adjust RV601 so that the voltage will be as follows: RV004 RV001 4.45 ± 0.05VDC RV002 S601: UHF position RV201 TU101 CONFIRMATION OF +30V Measure the voltage between JL29 (30V) and JL33 (GND) with a digital voltmeter, and adjust RV601 so that the voltage will be as follows: <
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RF.AGC ADJUSTMENT (1) Input the VHF color bar signal from the test signal generator. Approx. 1.0Vp (2) Adjust RV201 to optimum position so that there is no snow noise on the screen. CHANNEL DISPLAY POSITION ADJUSTMENT 45.75MHz (1) Set S601 in the VHF position. Insert resistors (47kΩ + 15kΩ) between JL25 and JL77 (4.5V line), and short circuit JL21 and JL30 (D.GND). (2) Receive 2ch, and adjust the channel display position with RV002. (3) Receive 13ch, and adjust the display bar with RV004. (4) C
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3-3. B BOARD ADJUSTMENT HUE ADJUSTMENT - B BOARD - (COMPONENT SIDE) (1) Receive a color bar. (2) Insert an oscilloscope between JL81 (B) and JL67 (D.GND). RV301 (3) Arrange RV301 as shown in Fig.3-5. RV402 GRADATION ADJUSTMENT Fig.3-5 (1) Input a 10-step staircase signal from the test signal generator. (2) Connect an oscilloscope probe between JL83 (G) and JL67 (D. GND) and observe the waveform. (3) The contrast should change when RV402 is turned. (4) Connect the oscilloscope prove between JL84
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SECTION 4 DIAGRAMS 4-1. BLOCK DIAGRAM IC401 MONITER CONTROL CN201 CN502 12 UB 12 CN601 CN301 CP 24 BUFFER 2 VHF 2 2 VHF 2 40 R2 CP 1 Q403 CP 40 3 H.P 3 3 H.P 3 37 HSO CL2 22 CL2 2 IC201 VIF/SIF DET CL2 38 IF CLB 21 S601 6 +4.5V CLB 3 IF AMP FILTER (1/2) IF IF CLB 37 Q201 SWF201 7 IF AMP LLD CLA 20 REF COIL CLA 4 AGC OUT 19 CLA 36 TU101 VIDEO AGC 3 AGC IF REF COIL TUNER DET 20 RF IN IC001 TUNER CONTROL AGC DL D2 12 3 RV201 4 D2 5 D2 28 IC501 HP AMP BS D3 11 SW BS BS 28 D3 6 Q006 COMPOSITION DEF D
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A J101 4-2. CIRCUIT BOARDS LOCATION TU101 TEPA5 Terminal name of semiconductors in silk screen G printed circuit ( ) T BOARD IC VOLTAGE LIST B IF CN201 Circuit Device Printed symbol Terminal name Pin Volt Pin Volt Pin Volt 12P Collector IC001 1 2.7 20 2.2 7 3.4 R032 B Transistor 1 2.2k 1 D.GND Emitter Base 20 21 2.9 8 GND :CHIP 2 VHF 3 0.3 22 0.8 9 4.3 R111 Collector 22 3 Transistor H.P 2 4 0.5 23 2.1 10 1.6 :CHIP Base Emitter 4 4.5V 5 2.5 24 2.1 11 1.6 C015
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ELECTRONIC TUNER, T VIF, SIF – T BOARD – T BOARD : IC201 M51348AFP 1 234 5 678 9 AUDIO OUT 13 BUFFER 12 GND (SIF) E-VDL 14 11 DC F/B < Component Side > < Conductor Side > A LIMITER FM DET IN 15 10 SIF IN FM DET LIMITER OUT 16 9 Vcc (SIF) AFT OUT 17 AFT VIDEO AMP 8 GND (VIF) B VIDEO OUT 18 7 IF IN 2nd 1st Amp Amp REF COIL 19 6 IF IN VIDEO DET REF COIL 20 5 Vcc (VIF) AFT COIL 21 4 RF AGC DELAY C AGC SYNC SEP IN 22 3 RF AGC OUT SYNC SEP SYNC OUT 23 2 AGC FILTER II IF AGC IF AGC ADJ 24 1 AGC FILTE
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 TO SPEAKER A HEADPHONE J501 CN501 2P UNREG B Q401 D406 UN2215 MA157-TX R513 2.2 CN602 :CHIP 12P CN601 R450 12P R451 AUDIO 100k 82k C506 1 D.GND C502 :CHIP :CHIP 3 0.1 100 2 25V 1 VHF 2 6.3V 1 D.GND F:CHIP :7L C505 NC NC H.P 3 30V 2 VHF C 100 A C501 RV450 R504 6.3V 0.01 50k V+ 470 4 +IN 3 4.5V H.P. :7L B:CHIP :CHIP AUDIO 5 -IN OUTPAT 4 AUDIO 4.5V C504 R509 C507 AUDIO AMP 10 GND TO T BOARD 30V 6 120k GND 5 D.GND 0.22 16V :CHIP 25V :7L R505 CN201 H.SYNC 7 6 A.GND
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AUDIO AMP, PC IN, NOTE: A BACK LIGHT • : Pattern from the side which enables seeing. • : Pattern of the rear side. – A BOARD – A BOARD A BOARD : IC501 NJM2070M 12 34 56 7 DIODE * NC 1 8 NC D406 G-5 6 D601 G-4 3 < Component Side > D602 D-4 5 A +INPUT 2 BIAS 7 V+ D603 G-4 4 D604 C-5 3 D605 C-4 3 + -INPUT 3 D701 D-3 – 6 OUTPUT - IC 300Ω 50kΩ IC501 G-5 GND 4 5 POWER 100kΩ TRANSISTOR GND * B Q401 G-5 1 Q601 C-4 2 Q602 D-4 2 Q603 F-4 2 Q610 C-5 2 Q701 G-3 2 Q702 G-3 2 C VARIABLE RESISTOR A BOARD IC R
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 A R403 C411 C414 R415 R409 0.47 D404 100p 22k 47 68k 4.5V 25V CH:CHIP :CHIP :CHIP 1SS355TE :CHIP F:CHIP R405 Q402 C409 C410 Q407 68k 0.1 0.1 Q406 2SD1819A-R XP4601 :CHIP C405 25V 25V XP4601 R401 B:CHIP B:CHIP 22 R411 B 100 6.3V 1M R414 :7L :CHIP :CHIP 22k :CHIP FP401 R406 R413 680 22k 1 :CHIP :CHIP R410 N.C. 39k C412 2 R402 R407 :CHIP TPR2 C402 C406 0.47 100 CHROMA LCD 4.7 R431 2.2k 22 25V 3 :CHIP 33k :CHIP F:CHIP 35V 6.3V C408 VSS :7L :CHIP :7L 4 0.01 B INTER
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CHROMA, B LCD INTERFACE – B BOARD – B BOARD IC VOLTAGE LIST B BOARD 12 34 56 7 Pin Volt Pin Volt Pin Volt DIODE * IC301 1 3.0 24 4.2 23 3.4 D301 B-2 3 2 3.1 IC401 1 1.3 24 - D302 B-2 3 3 0.6 20 25 3.8 D303 F-2 3 4- 3 0.8 26 3.3 D401 C-3 3 < Component Side > A 5 3.5 4 0.8 27 0.9 D403 F-4 3 6 2.5 5 2.7 28 0.9 D404 F-4 3 7- 6 2.7 29 0.9 D405 B-3 3 8- 7 2.8 30 0.8 IC 9 2.8 8 2.8 31 0.3 IC301 C-3 10 3.0 9 3.3 32 3.8 IC401 C-4 11 2.9 10 1.9 33 GND 12 3.1 11 3.9 34 1.8 TRANSISTOR B * 13 GND 12 3.9 35 1
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SECTION 5 4-4. SEMICONDUCTORS EXPLODED VIEWS The components identified by A71-2980 XN4601 SB-01-15CP NOTE: • The construction parts of an assembled part are shading and mark Á are criti- SB05-05CP indicated with a collation number in the remark cal for safety. • Items with no part number and no description are column. 6 Replace only with part number not stocked because they are seldom required 5 3 specified. 4 for routine service. • Items marked " * " are not stocked since they are seldom requ
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--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- The components identified by Les composants identifies par shading and mark Á are criti- une trame et une marque Á SECTION 6 cal for safety. sont critiques pour la securite. Replace only with part number Ne les remplacer que
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--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Les composants identifies par The components identified by une trame et une marque Á shading and mark Á are criti- sont critiques pour la securite. cal for safety. Ne les remplacer que par une Replace only with part number pie
