Related Manuals for Toshiba 27A35C
Summary of Contents for Toshiba 27A35C
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Page 1: Service Manual
FILE NO. 050-200521 (MFR’S VERSION A) SERVICE MANUAL COLOR TELEVISION 27A35C DOCUMENT CREATED IN JAPAN, May, 2005... -
Page 2: Servicing Notices On Checking
SERVICING NOTICES ON CHECKING 1. KEEP THE NOTICES 6. AVOID AN X-RAY As for the places which need special attentions, Safety is secured against an X-ray by consider- they are indicated with the labels or seals on the ing about the cathode-ray tube and the high cabinet, chassis and parts. -
Page 3: Table Of Contents
TABLE OF CONTENTS SERVICING NOTICES ON CHECKING ..................A1-1 HOW TO ORDER PARTS ......................A1-1 IMPORTANT ..........................A1-1 TABLE OF CONTENTS ......................A2-1 GENERAL SPECIFICATIONS ....................A3-1~A3-5 DISASSEMBLY INSTRUCTIONS 1. REMOVAL OF ANODE CAP ....................B1-1 2. REMOVAL AND INSTALLATION OF FLAT PACKAGE IC ..........B2-1, B2-2 C1-1 SERVICE MODE LIST ........................ -
Page 4: General Specifications
GENERAL SPECIFICATIONS CRT Size / Visual Size 27 inch / 676mmV System CRT Type Normal Magnetic Field BV/BH +0.45G/0.18G Color System NTSC Speaker 2Speaker Position Front Size 2.0 x 3.5 Inch Impedance Sound Output 2.5 + 2.5 W 10%(Typical) NTSC3.58+4.43 /PAL60Hz Tuning Broadcasting System System M... - Page 5 GENERAL SPECIFICATIONS On Screen Menu Display Menu Type Icon Picture Contrast Brightness Color Tint Sharpness Audio Bass Treble Balance BBE On/Off Stable Sound On/Off Surround On/Off Set Up TV/CABLE(CATV) CH Program Add/Erase Option Language V-chip CH Label Favorite CH Lock On/Off Timer Color Stream DVD/DTV Control Level...
- Page 6 GENERAL SPECIFICATIONS G-10 Remote Unit RC-GQ Control Glow in Dark Remocon Format Toshiba Remocon Format Toshiba Custom Code TV:40-BF h Power Source Voltage(D.C) UM size x pcs UM-4 x 2 pcs Total Keys Keys Power CH Up CH Down Volume Up...
- Page 7 GENERAL SPECIFICATIONS G-11 Features Auto Degauss Auto Shut Off Canal+ CATV Anti-theft Rental Memory(Last CH) Memory(Last Volume) V-Chip Type - Type Auto Search CH Allocation Just Clock Function CH Label VM Circuit Full OSD Premiere Comb Filter 2 Lines Auto CH Memory Hotel Lock Closed Caption Stable Sound...
- Page 8 GENERAL SPECIFICATIONS G-13 Interface Switch Front Power System Select Main Power SW Sub Power Channel Up Channel Down Volume Up Volume Down Rear AC/DC TV/CATV Selector Degauss Main Power SW Indicator Power Yes(RED) Stand-by On Timer Terminals Front Video Input Audio Input RCA x 2 Other Terminal...
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Page 9: Disassembly Instructions
DISASSEMBLY INSTRUCTIONS 3. After one side is removed, pull in the opposite direction to 1. REMOVAL OF ANODE CAP remove the other. Read the following NOTED items before starting work. NOTE After turning the power off there might still be a potential Take care not to damage the Rubber Cap. -
Page 10: Removal And Installation Of Flat Package Ic
DISASSEMBLY INSTRUCTIONS When IC starts moving back and forth easily after REMOVAL AND INSTALLATION OF desoldering completely, pickup the corner of the IC using a FLAT PACKAGE IC tweezers and remove the IC by moving with the IC desoldering machine. (Refer to Fig. 2-3.) REMOVAL NOTE Put the Masking Tape (cotton tape) around the Flat... - Page 11 DISASSEMBLY INSTRUCTIONS INSTALLATION When bridge-soldering between terminals and/or the soldering amount are not enough, resolder using a Thin-tip Take care of the polarity of new IC and then install the new Soldering Iron. (Refer to Fig. 2-8.) IC fitting on the printed circuit pattern. Then solder each lead on the diagonal positions of IC temporarily.
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Page 12: Service Mode List
SERVICE MODE LIST This unit is provided with the following SERVICE MODES so you can repair, examine and adjust easily. To enter the Service Mode, press both set key and remote control key for more than 1 second. Set Key Remocon Key Operations Releasing of V-CHIP PASSWORD. -
Page 13: Electrical Adjustments
ELECTRICAL ADJUSTMENTS 1. ADJUSTMENT PROCEDURE 2. BASIC ADJUSTMENTS Read and perform these adjustments when repairing the 2-1: CONSTANT VOLTAGE circuits or replacing electrical parts or PCB assemblies. Place the set in AV MODE without signal. CAUTION Connect the digital voltmeter to the TP003. Adjust the VR502 until the digital voltmeter is 120 ±... - Page 14 ELECTRICAL ADJUSTMENTS 2-4: COLOR CENT Receive the color bar pattern. (RF Input) Using the remote control, set the brightness, contrast, color and tint to normal position. Connect the oscilloscope to TP022. Activate the adjustment mode display of Fig. 1-1 and press the channel button (22) on the remote control to select "COLOR CENT".
- Page 15 ELECTRICAL ADJUSTMENTS 2-10: HORIZONTAL POSITION 2-14: CONTRAST MAX Receive the monoscope pattern. Activate the adjustment mode display of Fig. 1-1 and Activate the adjustment mode display of Fig. 1-1 and press the channel button (18) on the remote control to press the channel button (03) on the remote control to select “CONT.
- Page 16 ELECTRICAL ADJUSTMENTS 2-18: LEVEL Connect the AC voltmeter to pin 6 of CP101. Activate the adjustment mode display of Fig. 1-1 and press the channel button (33) on the remote control to select “LEVEL”. Press the VOL. UP/DOWN button on the remote control until the AC voltmeter is 85 ±...
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Page 17: Purity And Convergence
ELECTRICAL ADJUSTMENTS 3. PURITY AND CONVERGENCE 3-3: STATIC CONVERGENCE ADJUSTMENTS NOTE Adjust after performing adjustments in section 3-2. NOTE Receive the crosshatch pattern from the color bar Turn the unit on and let it warm up for at least 30 generator. - Page 18 ELECTRICAL ADJUSTMENTS 4. ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE (WIRING CONNECTION) CRT PCB CP803 TP024 R805 TP022 CP806 R803 J801 CP802B CP801B CD801 CD802 CP801A J702 CP101 J704 J701 FB401 CP401 VR401 TP003 W001 CP1001 AC IN SPEAKER CP802A L503 CP502 CP501 MAIN PCB...
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Page 19: Block Diagram
BLOCK DIAGRAM COMB FILTER IC IC1501 TC90A45FG CHROMA IC IC601 M61283BFP C OUT AD IN FB401 VIDEO LINE OUT Y OUT J801 Q802, Q806 VIDEO SW(Y) IC BLUE OUT B OUT IC1502 MM1501XNRE Q803, Q805 S-JACK G OUT GREEN OUT J702 Vin1 V.OUT... -
Page 20: Printed Circuit Boards Main/Crt
PRINTED CIRCUIT BOARDS MAIN/CRT (INSERTED PARTS) SOLDER SIDE C413 R438_1 D404 CP801A S804Y J702 D407 CP101 J701 J704 C428 W011 W857 S807X W861 D608 W827 C419 S807Y D411 R441 D405 C619 HS401 W022 W021 C425 C333 Q410 R457 Q408 C418 CP401 W034 Q409... - Page 21 PRINTED CIRCUIT BOARDS MAIN/CRT (CHIP MOUNTED PARTS) SOLDER SIDE W829 R745 Q101 R109 R103 IC199 R101 CCE023A R907 IC101 R136 IC902 R135 R125 R131 R810 R145 R814 Q103 Q1502 R820 R816 Q1505 R1501 CME028A IC1501 Q1501 Q1507 R618 IC1502 IC1503 R516 R513 Q411...
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Page 22: Micon
MICON SCHEMATIC DIAGRAM ACCESSORY (MAIN PCB) BT001 GR03X-SP2 W843 OS101 RPM7138-WH5 TM101 BT002 RC-GQ010 GR03X-SP2 S804X Vout CP101 LED SW A2001WR2-7P Q101 R109 2SC30521 W829 I2C_SCL I2C_SDA R101 I2C_OFF R103 R106 AUDIO L AUDIO R 2.7K R130 R150 CLAMP SW 47K 1/4W Q103 FROM/TO CHROMA... -
Page 23: Chroma
CHROMA SCHEMATIC DIAGRAM (MAIN PCB) W831 FROM/TO COMB FILTER R616 120 1/2W S807X AT+5V REG V_IN[YUV] Q607 R617 VIDEO_IN1 KTC3203_Y 1/4W U_IN[YUV] Y_IN[YUV] VIDEO_IN3 R603 1/2W FROM/TO MICON C_V_OUT_SW PROTECT Y_V_OUT_SW C641 P.CON+5V P.CON+5V REG C IN(Y/C) Y SW OUT SW_Y_OUT Q606 VIDEO_OUT... -
Page 24: Deflection
DEFLECTION SCHEMATIC DIAGRAM (MAIN PCB) FROM/TO DY V.OUTPUT IC IC401 LA78041 32FLAT CP401 THERMAL PROTECTION V801 A1561WV2-A6P M68LWF088X50 PUMP UP L402 STP-03Q23 25.0 12.0 25.0 R407 R439 1.2K 1/4W 1K 1W (MATSUSHITA) C425 TO CRT/SVM 560P CD803 (CP803) CH823004 FEEDBACK R414 R417 Q409... -
Page 25: Power
POWER SCHEMATIC DIAGRAM (MAIN PCB) D516 RELAY DRIVE TO CHROMA Q504 CP509 10.9 1SS133 KTC3198 003P-2100 R515 UNREG+12V 10K 1/4W W823 TO SOUND RY501 R517 G5PA-1-SA D505 (WEC) SOUND+B 30PRA60-FC 0.39 SOUND_GND R501 R541 DEGAUSS COIL L503 8R270010 1 7W 0.22 1W D517 R508... -
Page 26: Sound
SOUND SCHEMATIC DIAGRAM (MAIN PCB) FROM TUNER/STEREO R302 SW_AUDIO_L R301 4.7K SW_AUDIO_R 4.7K C309 0.039 L IN VD L ONT Tone Volume SURR 2.2K Balance Control Control /MUTE MODE control R IN Vref R OUT R303 1/4W FROM CHROMA R304 L301 P.CON+8V[B] 100 1/4W... -
Page 27: Tuner/Stereo
TUNER/STEREO SCHEMATIC DIAGRAM (MAIN PCB) S804Y TU001 115-V-KA35ARB FROM/TO CHROMA TUNER+5V TUNER_VIDEO W834 P.CON+5V FROM POWER R001 P.CON+B 1/2W R002 FROM/TO MICON 1/2W SW_AUDIO_L SW_AUDIO_R TO SOUND SW_AUDIO_L SW_AUDIO_R W849 FROM COMB/FILTER/AV AUDIO_IN1/2[R] C920 AUDIO_IN1/2[L] 1000 OUT SW IIC Decoder St.PLL Pilot Input... -
Page 28: Comb/Filter
COMB/FILTER/AV SCHEMATIC DIAGRAM (MAIN PCB) VIDEO SW(Y) IC IC1502 FROM/TO MICON MM1501XNRE C1503 R1509 Vin1 Y/C_SW C1505 R1510 S_IN V.OUT C1514 Vin2 BUFFER Q1502 2SC30521 R1508 C1502 C1511 VIDEO SW(C) IC 47P CH IC1503 C1512 MM1501XNRE FROM/TO CHROMA R1501 C1501 R1507 Vin1 Y_V_OUT_SW... -
Page 29: Crt
CRT / SVM SCHEMATIC DIAGRAM (CRT PCB) CRT BLOCK W824 FROM DEFLECTION R802 FROM DEFLECTION CP806_1 2.7K 1/4W CP801B B2013H02-5P R803 RED OUT RED OUT 180V Q804 Q801 100.6 12K 2W KTC4217 C802 R812 KTC3199_Y 123.0 TP022 0.001 D810 C811 R817 RED OUT D801... - Page 30 WAVEFORMS MICON 0.5V 10ms/div 13 1V 20µs/div 1 1V 0.1µs/div 2 1V 1µs/div 14 2V 20µs/div 9 1V 50µs/div 10 2V 20µs/div 3 1V 50µs/div 15 2V 20µs/div DEFLECTION 4 1V 0.1ms/div 11 0.5V 20µs/div 16 2V 5ms/div CHROMA 12 1V 2µs/div 7 1V 20µs/div 17 20V 5ms/div NOTE:...
- Page 31 WAVEFORMS 38 50V 20µs/div 25 2V 5ms/div 18 10V 10ms/div 19 20V 20µs/div 39 50V 20µs/div 26 5V 2ms/div SOUND 20 2V 20µs/div 22 2V 5ms/div 27 5V 2ms/div COMB/FILTER/AV 23 2V 5ms/div 28 200mV 20µs/div 21 200V 50µs/div CRT/SVM 37 50V 20µs/div 24 2V 5ms/div 29 200mV 20µs/div...
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Page 32: Mechanical Exploded Views
MECHANICAL EXPLODED VIEW 102B 102B 102A PCB110 (CRT PCB ASS'Y) 102B 101E PCB070 (MAIN PCB ASS'Y) 101D 101E 101C 101E 101B 101A... - Page 33 MECHANICAL EXPLODED VIEW (PACKING DIAGRAM) 119, 120, TM101...
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Page 34: Mechanical Replacement Parts List
MECHANICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description AE007480 7A701A428A FRONT CABI ASS'Y 101A AE007471 701WPJD031 CABINET,FRONT 101B AE007473 713WPAA171 GLASS,LED 101C AE007474 713WPAA172 GUIDE,REMOCON 101D AE007477 735WPBB400 BUTTON ASS'Y 101E AE003071 800WQ0A041 FELT SHEET AE007481 7A702A143A BACK CABI ASS'Y 102A AE007472... -
Page 35: Electrical Replacement Parts List
ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description RESISTORS ! R410 AD302107 R3X18A470J R,METAL OXIDE OHM 2W ! R416 BZ210053 R002T22R2J 2.2 OHM 1/2W ! R420 BZ210053 R002T22R2J 2.2 OHM 1/2W ! R426 BZ210030 R4X5T4472F R,METAL 4.7K OHM 1/4W ! R434 AD301972 R5X2CF5R6J... - Page 36 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description DIODES ! D405 BZ410063 D2WTAU02A0 DIODE,SILICON AU02A-EIC ! D406 BZ410021 D97U05R61B DIODE,ZENER MTZJ5.6B T-77 ! D407 BZ410063 D2WTAU02A0 DIODE,SILICON AU02A-EIC D408 AD302110 D2CF0715L0 DIODE,SILICON ERD07-15L50 D409 AD301980 D2CF2016L0 DIODE,SILICON FE201-6L49 D410 BZ410019...
- Page 37 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description TRANSISTORS Q411 AE005873 T8RA030520 TRANSISTOR,SILICON 2SC3052-T1 ! Q502 BZ510098 T220033260 2SK3326(2) ! Q503 BZ510005 TA3T1371A0 TRANSISTOR,SILICON 2SA1371(D,E)-AE Q504 BZ510069 TCATC31980 TRANSISTOR,SILICON KTC3198-AT(Y,GR) ! Q505 BZ510011 TC3T029090 TRANSISTOR,SILICON 2SC2909(S,T)-AA ! Q507 BZ510069 TCATC31980 TRANSISTOR,SILICON...
- Page 38 ELECTRICAL REPLACEMENT PARTS LIST Location No. TSB P/N Reference No. Description COILS &TRANSFORMERS CP507 BZ614016 069W01001A CONNECTOR PCB SIDE 003P-2100 CP508 BZ614016 069W01001A CONNECTOR PCB SIDE 003P-2100 CP509 BZ614016 069W01001A CONNECTOR PCB SIDE 003P-2100 CP803 BZ614269 069S320010 CONNECTOR PCB SIDE A2361WV2-2P CP1001 AD301045...
- Page 39 TOSHIBA CORPORATION 1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN...