Sharp 25C340 Service Manual Download Page 23

Ref. No. Part No. 

«

 Description Code

D708 VHD1SS119//-1Y X Diode AA

 D709 RH-DXA006WJZZ X Diode AB

 D712 RH-DX0532CEZZY X Diode AB

D725 RH-DX0131CEZZY X Diode AB
D726 VHD1SS119//-1Y X Diode AA
D752 RH-DX0441CEZZY X Diode AB
D753 RH-DX0441CEZZY X Diode AB
D757 VHD1SS119//-1Y X Diode AA

 D758 RH-DX0131CEZZY X Diode AB

D881 VHD1SS119//-1Y X Diode AA
D882 VHD1SS119//-1Y X Diode AA
D884 VHD1SS119//-1Y X Diode AA
D1411 RH-EX0630GEZZY X Zener Diode 9.1V AB
D1412 RH-EX0630GEZZY X Zener Diode 9.1V AB
D1413 RH-EX0630GEZZY X Zener Diode 9.1V AB
D1414 VHD1SS119//-1Y X Diode AA
D1415 VHD1SS119//-1Y X Diode AA
D2201 VHD1SS119//-1Y X Diode AA

VA701 RH-VXA009WJZZ X VARISTOR AB

 PR701 RMPTP0092CEZZ X Packaged Circuit AD

X801 RCRSAA010WJZZ X CRYSTAL AB

CF2040 RFILA0 X FILTER AB
SF201 RFILC0405CEZZ X Filter (4.5MHZ) AD
L201 VP-XF1R2K0000Y X Peaking 1.2mH AB
L203 VP-XF220K0000Y X Peaking 22mH AB
L204 RCILI0632CEZZ X IF Coil AB
L301 VP-XF150K0000Y X Peaking 15mH AB

 L701 RCILF0078PEZZ X Coil Line 

Filter AC

L705 RCILP0 X Coil AB
L2040 RCILB0131CEZZ X Coil (OSC) AB

 T601 RTRNZ0057PEZZ X Transformer AD

 T602 RTRNF0049MEZZ X H-Volt Transformer AS

 T702 RTRNW0001GJZZ X Transformer AF

C51 VCEA0A X 1000 10V EL. AB
C53 VCEA0A X 1 50V EL. AB
C54 VCEA0A X 4.7 50V EL. AB
C101 VCEA0A X 47 16V EL. AB
C201 VCKYCY1HF103ZY X 0.01 50V Ceramic AA
C202 VCKYCY1HF103ZY X 0.01 50V Ceramic AA
C203 VCKYCY1HF103ZY X 0.01 50V Ceramic AA
C204 VCQYTA X 0.022 50V Mylar AB
C205 VCKYCY1HB103KY X 0.01 50V Ceramic AA
C206 VCKYCY1HB102KY X 1000p 50V Ceramic AA
C207 VCEA0A X 47 16V EL. AB
C208 VCKYCY1HF103ZY X 0.01 50V Ceramic AA
C209 VCEA0A X 1 50V EL. AB
C210 VCEA0A X 0.47 50V EL. AB
C212 VCEA0A X 0.47 50V EL. AB
C220 VCKYCY1EF104ZY X 0.1 25V Ceramic AA
C301 VCCCCY1HH220JY X 22p 50V Ceramic AA
C302 VCKYCY1HB102KY X 1000p 50V Ceramic AA
C303 VCCCCY1HH331JY X 330p 50V Ceramic AB
C304

VCCCCY1HH220JY

X

22p

50V

Ceramic

AA

C305

VCKYCY1HB103KY

X

0.01

50V

Ceramic

AA

DIODES

Ref. No. Part No. 

«

 Description Code

C356

VCKYCY1HB332KY

X 3300p 50V

Ceramic

AA

C357

VCEA0A

X 10

50V

EL.

AB

C358

VCEA0A

X 10

50V

EL.

AB

C361 VCEA0A X 220 16V EL. AB
C401

VCCCCY1HH470JY

X 47p

50V

Ceramic

AA

C411

VCEA0A

X 1000

10V

EL.

AB

C412

VCKYCY1HF103ZY

X 0.01

50V

Ceramic

AA

C414

VCEA0A

X 2.2

50V

EL.

AB

C416

VCEA0A

X 1

50V

EL.

AB

C451

VCQYTA

X 0.1

50V

Mylar

AB

C454

VCEA0A

X 4.7

50V

EL.

AB

C456

VCEA0A

X 10

50V

EL.

AB

C491

VCEA0A

X 100

16V

EL.

AB

C492

VCKYCY1HF103ZY

X 0.01

50V

Ceramic

AA

C510 VCEA0A X 470 35V EL. AB
C511

VCCSPA

X 18p

500V

Ceramic

AB

C512

VCFYSA

X 0.22

63V

Mylar

AB

C513

VCFYSA

X 0.047

63V

Mylar

AB

C514 VCEA0A X 470        35V EL. AB
C515 VCEA0A X 4.7 50V EL. AB
C516 VCKYCY1HB222KY X 2200p 50V Ceramic AA
C517 VCEA0A X 22 16V EL. AB
C520 VCEA0A X 100 50V EL. AB
C530 VCFYFA X 0.33 50V Mylar AB
C531 VCFYFA X 0.56 50V Mylar AB
C606 VCKYPA X 560p 500V Ceramic AB
C607 VCKYPA X 4700p 50V Ceramic AB

p

 C610 RC-FZ1033CEZZ X 12600p 1.5kV Mylar          AC

C612 VCFPVC2DB514J X 0.51uF  200V Mylar          AB
C632 VCKYCY1EB153KY X 0.015 25V Ceramic AA
C633

VCEA0A

X 330

10V

EL.

AB

C634

VCKYCY1HF103ZY

X 0.01

50V

Ceramic

AA

C635

VCEA0A

X 1

50V

EL.

AB

C637

VCEA0A

X 47

16V

EL.

AB

C652

VCEA0A

X 4.7

50V

EL.

AB

C653

VCEA0A

X 1

50V

EL.

AB

C654

VCFYSA

X 0.18

50V

EL.

AB

C662

VCEA0A

X 470

16V

EL.

AB

C701

RC-FZ029SCEZZ

X 0.22

250V

Ceramic

AB

C702

RC-KZ0

X 0.01

AC250V Ceramic

AB

C703

RC-KZ0

X 0.01

AC250V Ceramic

AB

C705

RC-EZ0800CEZZ

X 560

200V

EL.

AF

C706

RC-KZ0092GEZZA

X 3300p AC250V Ceramic

AB

C717

VCKYPA

X 4700p 500V

Ceramic

AB

C723

RC-EZ0724CEZZ

X 100

160V

EL.

AC

C725

RC-EZA064WJZZ

X 220

160V

EL.

AD

C726

VCKYPH3DB561K

X 560p

2kV

Ceramic

AB

C727

VCKYPA

X 4700p 500V

Ceramic

AB

C730

VCEA0A

X 1000

16V

EL.

AB

C731

VCEA0A

X 330

25V

EL.

AB

C732

VCKYCY1HF103ZY

X 0.01

50V

Ceramic

AA

C736

VCKYCY1HF103ZY

X 0.01

50V

Ceramic

AA

C737

VCEA0A

X 22

25V

EL.

AB

C738

RC-KZ0040CEZZ

X 820p

2kV

Ceramic

AB

C739

VCEA0A

X 0.1

50V

EL.

AB

C740

VCEA0A

X 47

25V

EL.

AB

C742

VCKYPA

X 1000p 500V

Ceramic

AB

C743

VCKYPH3DB561K

X 560p

2kV

Ceramic

AB

C750

VCKYCY1HF103ZY

X 0.01

50V

Ceramic

AA

C752

VCEA0A

X 47

16V

EL.

AB

C753

VCKYPH3DB561K

X 560p

2kV

Ceramic

AB

C754

VCEA0A

X 47

16V

EL.

AB

C758

VCEA0A

X 10

250V

EL.

AB

C760

VCEA0A

X 1000

16V

EL.

AB

C771

VCEA0A

X 47

16V

EL.

AB

C772

VCEA0A

X 47

16V

EL.

AB

C783

VCQYTA

X 0.01

50V

Mylar

AB

C784

VCKYCY1HF103ZY

X 0.01

50V

Ceramic

AA

25C340

PWB-A: DUNTKA462WEA2

MAIN UNIT

CAPACITORS

 [EL.··· Electrolytic, M-Poly.··· Metalized Polypro Film]

PACKAGED CIRCUITS

VARISTOR

FILTERS AND COILS

TRANSFORMERS

23

Summary of Contents for 25C340

Page 1: ...s are subject to change without notice CONTENTS MODEL ELECTRICAL SPECIFICATIONS POWER INPUT 120 V AC 60 Hz POWER RATING 105 W PICTURE SIZE 2 032cm2 315sq inch CONVERGENCE Magnetic SWEEP DEFLECTION Magnetic FOCUS Hi Bi Potential Electrostatic INTERMEDIATE FREQUENCIES Picture IF Carrier Frequency 45 75 MHz Sound IF Carrier Frequency 41 25 MHz Color Sub Carrier Frequency 42 17 MHz Nominal AUDIO POWER...

Page 2: ...igh voltage anode completely X RADIATION AND HIGH VOLTAGE LIMITS 1 Be sure all service personnel are aware of the procedures and instructions covering X radiation The only potential source of X ray in current solid state TV receivers is the picture tube However the picture tube does not emit measurable X Ray radiation if the high voltage is as specified in the High Voltage Check instructions It is...

Page 3: ...ks mechanical insulators etc 3 To be sure that no shock hazard exists check for leakage current in the following manner Plug the AC cord directly into a 120 volt AC outlet Do not use an isolation transformer for this test Using two clip leads connect a 1 5k ohm 10 watt resistor paralleled by a 0 15µF capacitor in series with all exposed metal cabinet parts and a known earth ground such as electric...

Page 4: ...nding on the strength of lighting used The degree of illumination will decrease with time and depending on the temperature The time needed to charge the phosphorescent display will vary depending on the surrounding lighting Sunlight and fluorescent lighting are the most effective when charging the display POWER Press On Press again Off REMOTE KEYPAD Accesses any channel from keypad FLASHBACK Retur...

Page 5: ...tion of the horizontal oscillator does not stop in step 5 the circuit must be repaired before the set is returned to the customer HIGH VOLTAGE CHECK High voltage is not adjustable but must be checked to verify that the receiver is operating within safe and efficient design limitations as specified checks should be as follows 1 Connect an accurate high voltage meter between ground and anode of pict...

Page 6: ...ideo adjustment menu to ensure customer control are in their proper reset position 2 Service number selection In the service mode you will see the window screen as window 1 There are 4 adjustment categories 2DEF 3SIGNAL 4FEATURE 5FIX VALUE as show in Figure A Press CH UP DOWN button for selection and enter by VOL UP or VOL DOWN Press CH UP DOWN button to select the adjustment item and VOL UP DOWN ...

Page 7: ... SYS 00 07 01 01 F17 KILLER OP 00 07 02 02 F18 PRE SHOOT 00 03 00 00 F19 CORING 00 03 04 04 F20 DC REST 00 03 02 02 F21 BS START 00 03 01 01 F22 BS GAIN 00 03 01 01 F23 ABL START 00 07 00 00 F24 R B ANGLE 00 0F 08 08 F25 H BLK R 00 0F 03 03 F26 H BLK L 00 0F 00 00 F27 YC 00 07 05 04 SERVICE POSITION ADJUST ITEM DATA RANGE INITIAL VALUE Hex Table A Below are the ranges and initial values for each a...

Page 8: ...EL 00 07 03 S03 Y MUTE 00 03 00 01 Y MUTE 02 V STOP Y MUTE 03 Activate color killer circuit S04 SUB BIAS 00 FF 30 Must be 30 S05 R BIAS 00 FF 00 S06 G BIAS 00 FF 00 S07 B BIAS 00 7F 00 S08 R DRIVE 00 7F 53 S09 B DRIVE 00 7F 53 S10 CONTRAST 00 7F 5A S11 TINT 00 7F 40 S12 COLOR 00 7F 40 S13 BRIGHTNESS 00 7F 40 S14 BRIGHTNESS 2 00 7F 40 SERVICE POSITION ADJUST ITEM DATA RANGE INITIAL VALUE ADJUSTMENT...

Page 9: ...evel 00 2 35 Vdc GND 4 Select the service adjustment S03 and set the data value to 01 to turn off the luminance signal Y mute 5 Select the service adjustment S14 and adjust the data value to obtain 2 35 volts as shown in Figure B 6 Adjust the master screen control until the raster darkens to the point where raster is barely seen 7 Adjust the service adjustment S05 red S06 green S07 blue to obtain ...

Page 10: ...ain for fine adjustment Vertical Size V Linearity and V S Correction Adjustments 1 Receive a good local channel 2 Enter the service mode DEF category and select the adjustment D02 for Vertical Size D05 for V Linearity and D06 for V S Correction Adjustment 3 Set in order D05 for V Linearity D06 for V S Correction and set the data to get the best linearity 4 Then adjust D02 data until it become a pr...

Page 11: ...11 6 5 4 3 2 1 A B C D E F G H 25C340 CHASSIS LAYOUT PWB A PWB B ...

Page 12: ...12 6 5 4 3 2 1 A B C D E F G H 25C340 BLOCK DIAGRAM ...

Page 13: ...normal picture unless otherwise indicated 2 All voltages measured with 1000µ V B W or Color signal WAVEFORM MEASUREMENT CONDITIONS 1 Photographs taken on a standard gated color bar signal the tint setting adjusted for proper color The wave shapes at the red green and blue cathodes of the picture tube depend on the tint color level and picture control 2 indicates waveform check points See chart wav...

Page 14: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 1 Unit 25C340 14 ...

Page 15: ...17 16 15 14 13 12 11 10 18 19 25C340 15 ...

Page 16: ...8 7 10 9 6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM MAIN 1 Unit 25C340 16 ...

Page 17: ...17 16 19 18 15 14 13 12 11 10 25C340 17 ...

Page 18: ...6 5 4 3 2 1 A B C D E F G H SCHEMATIC DIAGRAM CRT Unit 25C340 18 ...

Page 19: ...19 6 5 4 3 2 1 A B C D E F G H 25C340 PRINTED WIRING BOARD ASSEMBLIES PWB B CRT Unit Wiring Side ...

Page 20: ...20 6 5 4 3 2 1 A B C D E F G H 25C340 PWB A MAIN Unit Wiring Side ...

Page 21: ...6 5 4 3 2 1 A B C D E F G H 25C340 PWB A MAIN Unit Chip Parts Side 21 ...

Page 22: ...C1403 VHIM52055FP 1Y X M52055FP AD IC2001 RH IX3528CEZZQ X IX3528CE AN IC2040 VHIPST994C 1 X PST994C AB IC2101 VHIBR24L16F 1Y X BR24L16F AC IC3001 VHICXA2194Q 1Y X CXA2194Q AP IC3371 VHIAN7511 1 X AN7511 AC Q101 VS2SC3198 G 1 X 2SC3198 G AB Q201 VS2SC2735 1EY X 2SC2735 AB Q301 VS2SD601AR 1Y X 2SD601AR AB Q401 VS2SD601AR 1Y X 2SD601AR AB Q451 VS2SB709AR 1Y X 2SB709AR AB Q452 VS2SA1266 Y 1 X 2SA1266...

Page 23: ...414 VCEA0A1HW225M X 2 2 50V EL AB C416 VCEA0A1HW105M X 1 50V EL AB C451 VCQYTA1HM104J X 0 1 50V Mylar AB C454 VCEA0A1HW475M X 4 7 50V EL AB C456 VCEA0A1HW106M X 10 50V EL AB C491 VCEA0A1CW107M X 100 16V EL AB C492 VCKYCY1HF103ZY X 0 01 50V Ceramic AA C510 VCEA0A1VW477M X 470 35V EL AB C511 VCCSPA2HL180K X 18p 500V Ceramic AB C512 VCFYSA1JB224J X 0 22 63V Mylar AB C513 VCFYSA1JB473J X 0 047 63V Myl...

Page 24: ...0 1 16W M Ox AA RJ4 VRS CY1JF000JY X 00 1 16W M Ox AA RJ5 VRS CY1JF000JY X 00 1 16W M Ox AA RJ6 VRS CY1JF000JY X 00 1 16W M Ox AA RJ10 VRS CY1JF000JY X 00 1 16W M Ox AA RJ11 VRS CY1JF000JY X 00 1 16W M Ox AA RJ14 VRS CY1JF000JY X 00 1 16W M Ox AA RJ15 VRS CY1JF000JY X 00 1 16W M Ox AA RJ16 VRS CY1JF000JY X 00 1 16W M Ox AA RJ17 VRS CY1JF000JY X 00 1 16W M Ox AA U R53 VRS RG3LB223J X 22k 3W M Ox AB...

Page 25: ...RS CY1JF562JY X 5 6k 1 16W M Ox AA R747 VRS CY1JF682JY X 6 8k 1 16W M Ox AA R752 VRD RA2BE392JY X 3 9k 1 8W Carbon AA U R758 VRS RG2HC100J X 10 1 2W M Ox AB R762 VRS CY1JF103JY X 10k 1 16W M Ox AA U R773 VRS RG3LB270J X 27 3W M Ox AB U R774 VRS RG3LB680J X 68 3W M Ox AB R801 VRD RM2HD470JY X 47 1 2W Carbon AA R807 VRS CY1JF332JY X 3 3k 1 16W M Ox AA R808 VRS CY1JF272JY X 2 7k 1 16W M Ox AA R809 VR...

Page 26: ...S2501 QSW K0202PEZZ X Switch AB S2502 QSW K0202PEZZ X Switch AB S2503 QSW K0202PEZZ X Switch AB S2504 QSW K0202PEZZ X Switch AB S2505 QSW K0202PEZZ X Switch AB S2506 QSW K0202PEZZ X Switch AB PWB B DUNTK9510WEV1 CRT Unit RESISTORS M Ox Metal Oxide M Film Metal Film Ref No Part No Description Code RY701 RRLYJ0081CEZZ X Relay AD F701 QFS B4023CEZZ X FUSE 4A 125V AB FB601 RBLN 0047CEZZY X FERRITE BEA...

Page 27: ...10GJ00 X Himeron 550X7 AB PSPAN0103GJZZ X Spacer for cabinet AB QCNW 0134MEZZ X WIRE SPEAKER AB QCNW 0166MEZZ X WIRE GBN AB QCNW 0167MEZZ X WIRE YBN AB TCAUH3045GJZZ X caution card AB TLABN0101GJZZ X VSP0080PBQ4YA X speaker VSP0080PBQ4YA X speaker XTASD30P12000 X XTASD40P20000 X Screw Cab AA Screw BTN AA AE AE Remark label chassis ID AB PWB B DUNTK9510WEV1 CRT Unit RESISTORS M Ox Metal Oxide M Fil...

Page 28: ...lacement items FRONT Buffer Material Polyethylene Sheet Polyethylene Bag Operation Manual Infrared R C Unit Batteries REAR Use tape to fix the top side of packing case Use 12 staples to fix the bottom side of packing case Bar Code Label 25C340 28 ...

Page 29: ...ans electronic mechanical photocopying recording or otherwise without prior written permission of the publisher QRC0021 U April 2004 Modify SEMEX J B Design and Production Information Design SEM Production SEMEX 25C340 SHARP ELECTRONICA MEXICO S A DE C V Quality Reliability Control Center Blvd SHARP No 3510 Parque Industrial Rosarito Playas de Rosarito México B C 22710 ...

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