Sharp 37GT-27S Service Manual Download Page 16

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37GT-27S

MOTHER UNIT F7323N3 PWB COMPONENT LOCATION TABLES.

Copper Side.

Ref_No

Xum

Yum

C1002

134874 123952

C1003

134874 121920

C1005

134366 98044

C1006

149606 189230

C1007

138938 12954

C1008

138938 19050

C1009

152654 157480

C1010

147828 168910

C1012

132080 125730

C1013

122936 134874

C1014

125984 132080

C201

127762 46736

C202

126238 55626

C203

138430 52324

C204

134366 80518

C206

134112 70104

C210

134112 51308

C211

148082 34036

C212

146812 29972

C213

147574 24384

C214

148590 21082

C217

134366 84836

C218

142748 76200

C219

151384 52324

C220

146558 80518

C221

130301 36830

C222

130301 39370

C225

148844 17272

C309

155448 215900

C315

143510 224028

C404

112522 13208

C405

116586 13208

C409

119634 17780

C410

112776 26162

C507

111252 105156

C510

111252 112522

C606

71628 34544

C610

69850 83820

C611

46736 85344

C708

29972 138430

C715

66802 143256

C723

16510 140462

C724

49022 137922

C802

118872 44196

C804

102362 68326

C806

97282 36830

C807

97282 32512

C808

100076 27686

C809

80391 73152

C810

82423 73152

C811

95504 53340

C813

100330 62738

C816

97282 83312

C818

114046 75184

C860

82296 181356

C861

108458 219202

C862

117094 198120

Ref_No

Xum

Yum

C871

110998 190754

C872

118364 204470

C873

96520 186182

C901

97536 56388

D1004

149606 142875

D1005

101092 239268

D1006

117094 160274

D1008

140208 122428

D1009

143002 117856

D401

84074 21844

D402

80518 14986

D403

131063 22606

D404

92202 23876

D405

92202 21844

D406

101092 15748

D407

106172 26416

D410

113284 29972

D411

131572 24892

D505

76454 108458

D506

76454 110490

D601

47752 81280

D607

68072 28194

D609

90424 135890

D610

92710 81026

D705

14986 135382

D706

24638 139446

D714

100584 164084

D715

88138 118110

D716

18034 135382

D721

90170 118110

D802

98806 75438

D803

91948 85090

D804

87376 48260

D805

87376 50546

D806

94742 47752

D807

92456 47752

D808

119888 69596

D811

103632 194564

D812

101600 194310

D860

82296 183388

D861

119380 195072

D862

112268 219456

D863

105918 79502

IC1001

136652 139446

IC1002

144780 154940

IC501

110363 117602

IC701

32512 132588

J10

96012 43180

J103

103632 189611

J104

135636 58674

J106

144018 66040

J17

148844 127508

J21

148844 122174

J24

148590 29972

J25

150368 29972

104648 49784

J51

86360 72136

Ref_No

Xum

Yum

J56

140716 52324

J59

77470 26924

87376 30734

J77

124460 165608

106680 33274

J80

122174 160528

96012 41148

J90

155448 110998

J93

123698 85852

J96

91186 194310

J97

108712 183642

J98

110744 179070

JF1

147828 45974

JF11

33274

8382

JF16

116586 33528

JF17

131826 12954

JF2

26670 16002

JF3

20320 16002

JF4

13970 16002

JF5

7620 16002

JF6

48768 57404

JF7

48768 63246

JF8

48768 61214

JF9

48768 59182

L201

124206 46736

L203

148844 51816

Q1002

111760 156972

Q1003

116332 156972

Q1004

38862 239522

Q1005

138430 99314

Q1006

153416 125984

Q1007

153416 121920

Q1008

153924 130048

Q1009

153924 134112

Q1010

155448 106680

Q1011

102108 160274

Q1012

92202 127508

Q1013

79502 37084

Q1014

87884 37084

Q1015

81280 41656

Q1016

81534 50038

Q1017

125984 160528

Q1018

120142 152400

Q202

132334 75946

Q203

141478 80518

Q204

121158 37592

Q303

151130 226060

Q304

141224 229870

Q305

146050 205486

Q401

69596 14478

Q505

124968 111252

Q506

107950 103886

Q507

115062 110490

Q509

115824 117602

Q604

57912 83058

Q701

27178 144526

Q705

98806 142240

Ref_No

Xum

Yum

Q706

101092 138684

R1002

118872 162306

R1003

118872 164084

R1005

120650 157480

R1006

118872 165862

R1007

114554 144780

R1008

130048 167640

R1009

147828 189230

R1010

155448 181864

R1014

141986 13716

R1015

138938 14986

R1016

132080 155194

R1017

129286 149098

R1019

111760 233680

R1020

114554 140462

R1021

111760 235966

R1026

147828 196342

R1029

138176 94996

R1030

62992 32765

R1031

65024 32765

R1032

56388 27686

R1033

148844 123952

R1035

148844 132842

R1038

148844 120396

R1039

148844 125730

R1040

148844 129286

R1041

147320 146304

R1042

153162 164465

R1043

152654 147193

R1045

103378 153670

R1049

145542 149860

R1050

147066 164084

R1051

135128 155956

R1052

42164 239268

R1053

35814 239268

R1054

105156 234188

R1055

93472 234950

R1056

130555 163576

R1058

105664 160528

R1059

82804 37084

R1060

84582 37084

R1061

87122 41402

R1062

80264 45974

R1064

127508 149098

R1065

148844 131063

R1066

148590 76200

R1067

64770 42164

R1068

64770 43942

R1069

123952 116078

R1070

117094 152400

R1071

114300 148844

R1072

142748 125984

R1073

145288 119380

R1074

151892 142748

R1075

88138 127254

R1076

98044 160274

R1077

154940 147193

Ref_No

Xum

Yum

R201

135128 45466

R202

118110 37592

R203

113538 37592

R204

135636 56896

R205

122936 80264

R206

132334 80518

R207

138430 73406

R210

146431 76200

R211

138938 17018

R212

155956 13716

R213

148590 13462

R214

141732 83566

R215

140716 76200

R216

144526 76200

R217

144780 80518

R218

141732 85598

R219

130555 44704

R220

125476 36068

R221

115824 37592

R222

104902 40386

R306

151130 215900

R307

149606 222758

R310

146558 223012

R311

155448 217678

R312

146812 229616

R313

153416 211328

R314

155194 203962

R318

146050 201422

R321

143764 192024

R401

76962 18288

R403

69596 11176

R404

90170 17272

R405

95758 17526

R406

98552 22606

R407

108712 25654

R408

127508 16764

R409

133350 18542

R410

111760 37592

R411

119380 29972

R412

122936 30734

R413

116332 24638

R414

127508 19304

R415

112776 27940

R416

141732 40640

R417

119888 24638

R418

71882 18288

R420

73660 18288

R421

105156 12827

R509

86360 95758

R512

74422 106172

R513

82296 109474

R515

85344 111252

R517

121920 111379

R519

115570 114300

R524

107442 100584

R525

104902 104902

R533

84328 113538

Ref_No

Xum

Yum

R534

113284 105156

R535

120142 111379

R538

120650 115316

R601

109220 70866

R602

109220 69088

R704

29972 141478

R705

23368 134112

R706

23368 128524

R711

105918 164846

R715

17780 131318

R719

104902 143256

R720

95250 137922

R721

100584 135636

R722

22860 143510

R727

95250 142240

R801

79883 76708

R802

117094 94234

R803

80264 67310

R804

97028 62738

R808

84074 65277

R809

87884 59944

R810

87884 57912

R811

87884 55626

R812

87630 52832

R813

96520 59436

R814

99314 69342

R815

74168 72644

R817

109220 72898

R818

97790 80518

R821

101092 74676

R822

103886 46736

R823

94742 27686

R824

96520 27686

R825

98298 27686

R826

104394 22606

R879

110998 192532

R880

118364 206248

R881

94742 186182

R888

117602 186182

R892

113792 199136

R893

106426 219202

R894

82296 179578

R898

117856 223012

R899

106680 180848

Summary of Contents for 37GT-27S

Page 1: ...condition and only parts identical to those specified should be used Issued 9th May 2002 This document has been published to be used for after sales service only ELECTRICAL SPECIFICATION 3 IMPORTANT SERVICING NOTES 4 SERVICE ADJUSTMENTS 5 PRINTED WIRING BOARDS 12 COMPONENT LOCATION TABLES 14 ICs ADDITIONAL INFORMATION 17 SCHEMATIC DIAGRAM WAVE FORMS 24 BLOCK DIAGRAM 30 TROUBLESHOOTING TABLES 32 PA...

Page 2: ...f only part number changes are required just change part number directly the part number in the Parts Listing Section If you need more information please refer to the Technical Report Bulletin SERVICE MANUAL UPDATE LOG SHEET Part No Technical Report No Technical Bulletin No Cause Solution Page No Application Data Serial No ...

Page 3: ...rol to get total picture tube cathode current of 600 µA under no signal condition Maximum necessary correction of each picture tube cathode current to get 8550 degrees K 1 MPCD screen temperature should not exceed 15 of its original value X 0 290 0 015 Y 0 300 0 015 WARNING The chassis in this receiver is partially hot Use an isolation transformer between the line cord plug and power receptacle wh...

Page 4: ...ardous x ray radiation levels This is a problem when in close proximity to the receiver for long periods of time To reduce any risks associated with this please observe the following precautions 1 When undertaking any servicing on this chassis DO NOT increase the EHT to more than 30KV at a instantaneous beam current of 300µA 2 Ensure that during normal operation the EHT does not exceed 27 5KV at a...

Page 5: ...ed into a test pattern 2 Turn the receiver off using the mains switch 3 Press the volume down and channel up buttons together See Figure 1 4 Continue pressing the volume down and channel up buttons while turning the mains on using the mains switch See Fig 1 5 Keep pressing the volume down and channel up buttons until the picture appears 6 Release the two buttons and the receiver is now in the Serv...

Page 6: ...N ADDRESS 45 RESERVED b7 x b6 CO_BLK b5 SVHS b4 FRAME_BLK b3 BLACK_ST_REF b2 S_STD2 b1 S_STD1 b0 QSS 0F 00 RESERVED b7 BLACK_ST b6 COR b5 CK_ON b6 COR b5 CK_ON b4 VID_ST2 b3 VID_ST1 b2 CK_1 b1 CK_2 b0 CK_3 10 A5 SIGNATURE VALUE 11 32 TEMPERATURE RED 12 32 TEMPERATURE GREEN 13 32 TEMPERATURE BLUE 14 26 VERTICAL SHIFT 15 32 RED CUTOFF 16 32 GREEN CUTOFF 17 1F HORIZONTAL SHIFT 18 37 VERTICAL AMPLITUD...

Page 7: ...b4 X b3 UHF BAND ONLY b2 BASIC HOTEL MODE b1 AV FRONT ENABLED b0 FP VERSION 2E 3A AFT COARSE FOR B G AND L SYSTEMS 2F VALUE DESCRIPTION ADDRESS 40 AFT FINE FOR B G AND L SYSTEMS 30 C2 AFT FINE FOR L SYSTEMS 31 FF VOLUME LIMIT MAXIMUM 32 45 RESERVED b7 X b6 CO_BLK b5 SVHS b4 FRAME_BLK b3 BLACK_ST_REF b2 S_STD2 b1 S_STD1 b0 QSS 33 00 RESERVED b7 BLACK_ST b6 COR b5 CK_ON b6 COR b5 CK_ON b4 VID_ST2 b3...

Page 8: ...9 BB ONE STEP DOWN WHEN THE FIRST SYNCHRO LOOSING IS PRODUCED 5A 00 UP MAXIMUM STEP No DURING SEARCHING 5B 00 CORRECTION VALUE OF V SHIFT IN ORDER TO BE INDEPENDENT TO V AMP BAND OFFSET SPEED DURING SEARCHING 5C 15 AUTOMATIC PEAK RGB REGULATION PIC REGULATOR 5D F0 BAND OFFSET SPEED DURING SEARCHING NIBBLE_UP NIBBLE_DOWN 5E 00 FREE 5F 10 TIMING PACKET SEARCH 8 30 60 RESERVED 61 a FF PIF AGC Adjustm...

Page 9: ...oltage of 220V AC 50HZ to TV 1 2 Receive Philips pattern signal to a level between 60 and 80 dB µV 1 3 Set contrast to 10 10 brightness to 5 10 and colour 0 10 1 4 Adjust focus potentiometer to obtain maximum definition 2 G2 Adjustment 2 1 Apply mains voltage of 220V AC 50HZ to TV 2 2 Receive the Cross Hatch pattern signal to a level between 60 and 80 dB µV 2 3 Apply High Voltage Probe to Pin 8 of...

Page 10: ...ng the same button again See NVM table on page 6 Restriction of Sound Volume by modifying the R314 value Change R314 value from 1K VRS TVIJD102J part code to 39K VRS TV1JD393J part code so the maximum level of sound can be limited from 100 to 50 1 8 Exit Service Mode and check colour coordinates X and Y at 20 and 120 nits It may be necessary to repeat the same procedure or readjust the cuts as sho...

Page 11: ...LUE is recovered For the same reason if a wrong button has been pressed NORMAL VALUE can be recovered by pressing the same button again Hotel 3 Mode by modifying the value 57 address of the NVM When this it is activated VCR mode is set in all programs Procedure A Press the volume up or volume down buttons RC as far as the NVM address green colour displays 57 location Check the NVM value red colour...

Page 12: ...B SC401 IF2 IF1 33V B DA CL AS TU AGC TU201 1 2 3 4 5 6 7 8 9 10 T601 R607 R603 R610 SF201 1 5 5 1 SF202 C208 C205 L3 R866 CRT 9 8 7 6 5 4 3 14 8 7 1 T701 T3 15AH 5 4 3 2 1 F D606 C602 Q601 B C E C508 C711 S701 1 2 G F701 B Q885 E J71 J87 C803 E Q502 B D717 J89 J3 J82 JL1 JL2 S1 JF13 JF14 5 K E Q871 B D201 L205 L204 J5 R305 R302 J2 C812 JL2 JL10 J55 CF201 1 C223 L202 J40 J50 5 1 K C805 J15 R537 R1...

Page 13: ...8 C205 R866 K D860 CRT 9 8 7 6 5 4 3 T701 1 5 4 3 2 1 F D606 C602 Q601 C E B C508 C711 S701 G 1 2 F701 D601 K D708 B E Q885 D806 K J71 J87 C803 Q502 E B D717 J89 J3 J82 S1 JF13 JF14 5 K Q871 E B Q202 D201 L205 L204 J5 R302 J2 C812 J56 J55 CF201 C223 L202 Q204 J40 J50 K D807 K C805 R404 R405 J9 J10 J15 Q305 R537 R1048 J14 J16 D301 R315 L301 C304 FB301 E C Q302 E C Q301 R304 R303 C312 R710 R1018 J33...

Page 14: ...nent side F7325N1 FRONT A V PWB COMPONENT LOCATION TABLES Copper side Component side Ref_No Xum Yum C1320 18135 14859 C1330 53187 18034 C1331 53187 6096 D1320 10007 12954 D1321 34137 13462 R1320 25247 11430 R1321 14071 13970 R1336 53187 16002 R1337 63347 6858 R1420 40487 13970 Ref_No Xum Yum FV 10515 4318 S 70967 14986 SH 70967 6096 C1300 15849 14224 C1301 7467 13462 C1310 60807 14732 C1311 53187 ...

Page 15: ...135128 J55 130809 50800 J57 154178 37338 J58 151638 40640 J60 97536 29718 J61 121158 146050 J62 113030 143510 J63 97536 32258 J64 133096 31242 J65 97536 34544 J66 97536 36830 J67 71120 25654 J69 113030 141224 Ref_No Xum Yum J7 81534 152146 J70 113030 138684 J71 76708 95250 J72 110744 105156 J73 138176 161544 J76 91440 133604 J78 64135 21640 J79 56642 16687 J81 104648 141732 J82 91440 113538 J83 73...

Page 16: ...04 121158 37592 Q303 151130 226060 Q304 141224 229870 Q305 146050 205486 Q401 69596 14478 Q505 124968 111252 Q506 107950 103886 Q507 115062 110490 Q509 115824 117602 Q604 57912 83058 Q701 27178 144526 Q705 98806 142240 Ref_No Xum Yum Q706 101092 138684 R1002 118872 162306 R1003 118872 164084 R1005 120650 157480 R1006 118872 165862 R1007 114554 144780 R1008 130048 167640 R1009 147828 189230 R1010 1...

Page 17: ...TOMATIC CUT OFF CURRENT LOOP MANUAL CUT OFF POSSIBLE FOR LOW COST APPLICATIONS TWO PLLs HORIZONTAL DEFLECTION VERTICAL COUNT DOWN HALF CONTRAST optional APR Automatic RGB peak regulation FUNCTION optional SAW FILTER SWITCH CONTROL optional VERY FEW EXTERNAL COMPONENTS DESCRIPTION The STV223XD 223X 224X are fully bus con trolled ICs for TV including PIF SIF luma chroma and deflection processing Use...

Page 18: ...V2237D STV2236D IC Version SHRINK56 TQFP64 Function 2236 2237 2238 2246 2247 2248 2286 2236D 2237D 2238D PAL SECAM NTSC X X X PAL NTSC X X X X X X X QSS INTERCARRIER X X X X X X INTERCARRIER ONLY X X X X AM X X X 1 CVBS OUTPUT X X X X X X X 2 CVBS OUTPUTS X X X 1 EXT RGB INPUT X X X X OSD RGB INPUTS RGBEXT YUVEXT INPUTS X X X X X X YUV INTERFACE X X X X APR X X X X X X X HALF CONTRAST X X X SAW FI...

Page 19: ...o Luma Ground 20 20 28 CVBSIN2 External Video Input 21 21 29 BS Black Stretch Capacitor 22 22 34 Y CVBSIN3 Y SVHS or CVBS3 External Input 23 23 35 CHR Chroma SVHS Input 24 37 UIN B Y Input Note 1 25 38 VIN R Y Input Note 1 26 39 YIN Y Input Note 1 27 40 YOUT Y Output Note 1 28 41 VOUT R Y Output Note 1 29 42 UOUT B Y Output Note 1 30 30 43 BOUT Blue Output 31 31 44 GOUT Green Output 32 32 45 ROUT ...

Page 20: ... 52 52 3 SDA I2 C Bus Data Input 53 53 4 VCCD Digital Supply Voltage 5 V 54 54 5 GND D Digital Ground 55 55 6 AUDIOOUT Main Audio Output 56 56 7 FMCAP FM Demodulation Capacitor 15 SAW Filter Switch Control 25 30 BEXT UEXT External Blue Input or external U input 26 31 GEXT YEXT External Green Input or external Y input 27 32 REXT VEXT External Red Input or external V input 28 33 FBEXT External Fast ...

Page 21: ...ctive Pins Standard DIP 8 Package for Output Power 40 W Only few external components required Low start up current Current mode control Input Undervoltage Lockout Max Duty Cycle limitation Thermal Shutdown Modulated Gate Drive for low EMI Type Ordering Code Package TDA 16831 Q67000 A9420 P DIP 8 6 TDA 16832 Q67000 A9422 P DIP 8 6 TDA 16833 Q67000 A9389 P DIP 8 6 TDA 16834 samples P DIP 8 6 TDA 168...

Page 22: ...k 10 W no heatsink TDA 16832G 20 W 8 cm2 20 W no heatsink TDA 16833G 20 W no heatsink 40 W 3 cm2 P DSO 14 11 for Applications with Pout 20 W TDA 16831G 2G 3G Pin Symbol Function 1 GND PWM GND and CoolMOS Source 2 FB PWM Feedback Input 3 N C Not Connected 4 N C Not Connected 5 6 7 D 600 V Drain CoolMOS 8 9 10 D 600 V Drain CoolMOS 11 N C Not Connected 12 N C Not Connected 13 VCC PWM Supply Voltage ...

Page 23: ...l J K kippl tff pwmop v04sst biaspwm sst R S Q Q logpwm gtdrv csshutdown tempshutdown 5 3 osc Rsense biaspwm uvlo bias Vcc Drain GND FB pwmpls slogpwm v04sst pwmrmp rlogpwm alogpwm slogpwm RFB Vref pwmss TDA16833 IC 701 Block Diagram ...

Page 24: ...F SCHEMATIC DIAGRAMS SAFETY NOTE 1 DISCONNECT THE AC PLUG FROM THE AC OUTLET BEFORE REPLACING PARTS 2 SEMICONDUCTOR HEAT SINKS SHOULD BE REGARDED AS POTENTIAL SHOCK HAZARDS WHEN THE CHASSIS IS OPERATING IMPOTANT SAFETY NOTE PARTS MARKED WITH ARE IMPORTANT FOR MAINTAINING THE SAFETY OF THE SET BE SURE TO REPLACE THESE PARTS WITH SPECIFIED ONES FOR MAINTAINING THE SAFETY AND PERFORMAN CE OF THE SET ...

Page 25: ...25 37GT 27S Vc HORIZONTAL SANDCASTLE VERTICAL INPUT VERTICAL VERTICAL OUTPUT REMOTE CONTROL OUT SPEAKER IF VIDEO OUT RED OUT GREEN OUT VIDEO INPUT TXT uC 13 14 15 4 5 6 7 8 9 10 11 12 BLUE OUT ...

Page 26: ... 2W Q885 TX0180BM C701 470nF 275V FZ0160BM C871 470pF 6 R892 1K C876 4 7nF 2KV R864 15K 2W D811 DX0551 D862 DX0551 A N0304CE R893 1K R881 470 C861 470pF D861 DX0551 4 Q883 TX0180BM C872 470pF L3 QTIPM0017CEFM R898 0 S701 P0612 C873 470pF Q871 TX0181 BF422 3 D860 DX0551 Q887 TX0180BM K N0561 D812 DX0551 C878 10uF 200V C715 100nF 1K5 1 2W R710 C707 10uF 16V C710 220uF 25V C705 47uF 400V EZ0148BM C87...

Page 27: ...A741 8 7 6 5 4 3 2 1 C507 220nF R519 8K2 R52 150 1 2W R524 3K9 R617 1K Q502 BC635 D503 1N4933 C508 330nF R715 10 C717 100uF 16V R603 330 1 2W R609 2 2 1 2W Q603 TX0112 BC636 R605 6 8 1 2W Q602 BC635 TX0108BM R523 560 R516 1K D605 DX0504 1N4934 R613 15K C606 22nF C715 100nF R706 680 TQ 1K5 1 2W R710 C707 10uF 16V FB701 BLN 0037 C722 100uF 16V R722 120 C610 22nF HB D607 EX0549BM 7V5 R510 1 1 2W Q509...

Page 28: ...OSD 47 GOSD 48 C1001 47uF 10V C1002 33pF L1005 12uH C1013 100nF R1051 3K3 D1001 R1040 10K R1035 4K7 S GN0241CE C1015 10uF R1034 2K7 1 2W R1037 2K7 1 2W R1048 4K7 R1054 10K D805 C5V6 C1007 22nF D807 C5V6 C1008 47nF R1026 10K D1005 5V1 R1053 330 IC1003 IX10037 R1072 10K 1N4148 D1008 R1022 R1042 C1310 047 R1316 470 C1311 047 L1302 3 3uH J1301 J0047CE 1 5 4 3 2 6 7 R1317 470 SH S Q304 BC847B TX0232BM ...

Page 29: ...30 100 R1031 100 08BM 5 R220 100 75 R825 75 R826 75 R819 100 R820 100 J47 LN0037 FB801 LN0037 C201 22pF L201 390mH IC801 STV2238 IX1792BM IFPLL 17 GND IF 18 AM FMOUT 19 VCC 20 CVBS 21 AUDIN 22 IF1 23 IF2 24 VCC 25 CVBSIN1 26 GND 27 CVBSIN2 28 BS 29 BEXT 30 GEXT 31 REXT 32 AGC 16 SAW 15 PIFIN 14 PIFIN 13 AGC 12 VIF 11 AGC 10 SIFIN 9 SIFIN 8 FMCAP 7 AUDIO 6 GND 5 VCC 4 SDA 3 SCL 2 SLPF 1 SSC 64 HOUT...

Page 30: ...505 Q506 O U TPUT A M P Q502 Q501 Feed back 150V 6 3V 25V Q601 Q602 Q604 Q603 105V Q883 Q885 Q887 Q870 Q871 Q872 Q503 Q504 Q505 Fly Back Pulse 4 5V Q703 G2 Focus 8V Q702 50 60Hz Q509 7 8 G ADG COIL S1001 S1002 S1003 S1004 L701 PR701 S701 F701 T3 15A A P701 N0304CE IC1002 1 2 3 4 5 6 7 8 SC881 VD842CE 7 9 3 5 4 6 8 P881A L2 1 K 5 4 3 2 1 P601 F 1 2 3 4 5 H 1 2 3 4 V IN V OUT 18 19 20 21 D605 D604 A...

Page 31: ...0 60 Hz 57 N C 56 VT 55 K 54 SCL 53 SDA 52 K 51 N C 50 K 49 N C 33 XTAL2 34 XTAL1 35 VSSA 36 VDDA 2 5 37 R 38 G 39 B 40 N C 41 BLANK COR 42 N C 43 VDD 2 5 44 VSS 45 VDD 3 3 46 K 47 N C 48 X801 4 43MHz X1001 6 MHz IC801 STV223X IFPLL 17 GND IF 18 AM FMOUT 19 VCC 20 CVBS 21 AUDIN 22 IF1 23 IF2 24 VCC 25 CVBSIN1 26 GND 27 CVBSIN2 28 BS 29 BEXT 30 GEXT 31 REXT 32 AGC 16 SAW 15 PIFIN 14 PIFIN 13 AGC 12...

Page 32: ...ck the tuner supply and band biases Both must be approx 5V DC Normal YES Is tuning voltage normal at Pin 2 of Tuner Check Picture setting by R C Signal should be received Check the AGC Voltage Pin 1 of Tuner Check the SAW Filter SF201 TROUBLESHOOTING TABLES ...

Page 33: ...setting by R C Signal should be received NO YES Check D707 C710 NO Is Audio Amplifier muted Check R304 Q301 Q302 NO Check IC801 C301 YES YES Check IC1001 Q305 Does Sound Signal appear at Pin 6 of IC801 Does approx 20V DC appear on C710 ...

Page 34: ... IC701 Normal Abnormal Check Q601 C711 Check D708 D717 Normal Check R705 R706 R715 D706 Normal Check CRT connector K1 K5 bias Normal Abnormal Check C878 Check IC801 Check Q601 C711 Check Voltage on C705 Approx 325V DC Check D701 D702 D703 D704 C705 Check Voltage on C711 Approx 105V DC Approx 0V ...

Page 35: ...RTICAL AMP AND VERTICAL LINEARITY Readjust Vertical Size Check D505 D506 Check Q505 Q507 Q509 NEITHER VERTICAL NOR HORIZONTAL SYNCHRONIZATION Check IC801 C815 C816 R818 Vertical size is abnormal Vertical linearity is abnormal Is IC501 bias normal Check R510 Q501 Q502 Q503 ...

Page 36: ...ite Balance The Picture Colour is Blue or Yellow The Picture Colour is green or magenta The Picture Colour is Red or cyan Check Q871 Q883 and their adjacent circuits Check Q870 Q885 and their adjacent circuits Check Q872 Q887 and their adjacent circuits UNLOCKED COLOUR NO COLOUR SYNCHRONIZATION Check setting of Colour Standard in Service Mode Normal Check IC801 C812 C813 R813 X801 ...

Page 37: ... PHILIPS S AA AA Q 1010 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA Q 1011 RH TX0232BMZZ TRT BC847B SMD PHILIPS S AA AA Q 1012 RH TX0232BMZZ TRT BC847B SMD PHILIPS S AA AA Q 1017 RH TX0232BMZZ TRT BC847B SMD PHILIPS S AA AA Q 1018 RH TX0232BMZZ TRT BC847B SMD PHILIPS S AA AA DIODES D 0401 RH EX0549BMZZ ZENER DIODE TZMC7V5 TFK SMD S AA AA D 0402 RH EX0549BMZZ ZENER DIODE TZMC7V5 TFK SMD S AA AA D ...

Page 38: ...CEZZ CERAM C 10NF 80 20 250V S AC AC C 0704 RC KZ0029CEZZ CERAM C 10NF 80 20 250V S AC AC C 0705 RC EZ0148BMZZ ELEC C 47uF 400V LPN470M2GN JAMICON S AD AK C 0707 VCEA0A1CW106M ELEC C 10UF 20 16V S AA AA C 0708 VCKYTV1HF153Z CERAM C 15NF 50V 2125SMD S AA AA C 0709 RC KZ0160BMZZ CERAM C 2 2NF 4KV X1Y1 S AA AD C 0710 VCEA0A1EW227M ELEC C 220UF 20 25V S AA AA C 0711 VCEAGH2CW107M ELEC C 100MF 20 160V ...

Page 39: ...0 VRD RA2HD270J RES 27 OHM 5 1 2W S AA AA R 0611 VRD RA2HD270J RES 27 OHM 5 1 2W S AA AA REF No PARTS DESCRIPTION SN CODE EX CODE R 0612 VRN VV3ABR22J MET FILM R 22 OHM 5 1W S AB AA R 0613 VRD RA2BE153J RES 15KOHM 5 1 8W S AA AA R 0614 VRD RA2BE561J RES 560 OHM 5 1 8W S AA AA R 0615 RR XZ0200BMZZ FUS RES 1R0 TAP 5 1 2W S AA AB R 0616 RR XZ0242BMZZ FUS RES 3K3 TAP 5 1 2W S AA AB R 0617 VRD RA2BE102...

Page 40: ... 0002 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA JF 0016 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA JF 0017 VRS TV1JD000J 2125 0 OHM 5 1 10W SMD S AA AA RMC0001 RRMCU0222CEZZ R C RECEIVER S AD AG S 0701 QSW P0612CEZZ POWER SWITCH ESB92D41B PANASONIC S AC AH S 1001 QSW K0079GEZZ TACTILE SWITCH S AA AA S 1002 QSW K0079GEZZ TACTILE SWITCH S AA AA S 1003 QSW K0079GEZZ TACTILE SWITCH S AA AA S 1004...

Page 41: ...KER 32 OHM 2W 80MM SEA TRADE ELS AB AG LHLDW1523BM00 HOLDER S AA AB LHLDK1501BM00 HOLDER S AA AB LHLDW1009CEZZ HOLDER S AA AA QCNW 2859BMZZ EHT CABLE FBT PHILIPS 14 S AC AH LHLDW1033CE00 HOLDER S AA AA SPAKC5476BMZZ PACKING CASE S AE AP SPAKX4051BMZZ PACKING AD 37EM 24S S AC AK OWNERS MANUAL TINS 7200BMN0 OWNERS MANUAL 37GT27S S AB AE TINS 7214BMN0 OWNERS MANUAL 37GT27SES SESS S AC AH TINS 7219BMN...

Page 42: ...42 37GT 27S PACKING OF THE SET SPAKX4051BMZZ Pack ad SPAKR500A1500 Wrapper FRONT SPAKC5476BMZZ Carton Box ...

Page 43: ...up CANCEL button Teletext RESET button Teletext Single Double Entry button Text Mix Picture Select button Teletext COLOUR buttons LIST Select button Teletext 25 INDEX button Teletext HOLD button Teletext STORE button Teletext CHANNEL PROGRAMME UP DOWN button Selects next higher programme Selects next lower programme These are also used for menu set up 6 REMOTE CONTROL DESCRIPTION 1 STV 2238 ST Mic...

Page 44: ...itted in any form or by any means electronic mechanical photocopying recording or otherwise without prior written permission of the publisher SHARP ELECTRONICA ESPAÑA S A TV Division Engineering Dept Polígono Industrial Can Sant Joan Sant Cugat del Vallès Barcelona Spain Think Ecology please use RECYCLED PAPER ...

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