Philips 20-LCD TV 20PF9925 Скачать руководство пользователя страница 12

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Troubleshooting

No sound

Defective Reset IC of IC902

1) Check volume and speaker

- Speaker

Defective MSP3410D of IC901

- Sound comes out only when being inputted into Audio

- Earphone Defective B+(8V,5V) of IC903,904. L/R

2) Check after replacing IC902
3) Replace IC901
4) Check and replace B+ of IC903,904.

Video color beat noise

Soldering IC201 and IC502,IC501 Check and resoldering.
or masking it short.

Video Jitter

P501B Pin20 connector defective. Check the P501B Pin20 connector and repair.

No screen

Input error of inverter connector

1) Bend the pin legs of P802B connector -> recheck

them

2) Check and repair the IC806,807 SI4925,IC801

SI786,IC803 SI4808.

P502 and Pin 21 connector

1) Check and fix P503B connector

being slipped out

2) Check and fix the components at P502 LCD module

and at main board.

3) Check Pin50.

Cracked components and

1) Check and repair tuner board and main board

soldering at tuner board

2) Solder Q101.

Dark screen

1) Defective LCD lamp

1) Replace the inverter

2) Defective inverter

2) Replace the LCD lamp

3) Input error of inverter connector

3) Check the connector input.

Broken OSD display

Defective the font rom of IC501

Check and replace the font rom of IC508

1. General Features

No.

Symptom

Cause

Check Point

2. TV and external input

No.

Symptom

Cause

All manuals and user guides at all-guides.com

Содержание 20-LCD TV 20PF9925

Страница 1: ...uced stored in a retrieval system or transmitted in any form or by any means electronic mechanical photocopying or otherwise without the prior permission of Philips Colour Television 20PF9925 12S 19S AA Contents Page Block Diagram Adjustment Instructions Troubleshooting Exploded View Exploded View Parts List Replacement Parts List Circuit diagram Printed Board Lay out All manuals and user guides a...

Страница 2: ...2 RGB YCrCb 1 F B 1 CVBS OUTPUT Y Cr Cb OUTPUT IC1 MICOM TXT 6 0MHz POWER DC to DC Converter SI786 SI4808DY T801 30V 5V SCL SDA CVBS SIF IF AGC 5V 3 3V 33V Y U V 480P Y U V 480P 0 5 0 7 Y U V 4 2 2 4 2 2 Y U V Analog R G B H V Dual Audio AMP LA4282 L SPK R SPK R G B FB TEXT H V 2H CLK 5V 3 3V 3 3V 9V 3 3V 3 3V 5V FOR RESET IC 3 3V 3 3V 3 3V 8 0V 15V H sync H Sync SEP 3 3V 5 0V SCART R G B FB DVD U...

Страница 3: ...nerator 408NPS READER which 10 STEP is possible 2 A Remote Control for Adjustment 4 2 Adjustment 1 Select RGB LEVEL by pressing SVC Key of Remote Control for Adjustment 2 Adjust that until 9th and 10th STEP is undistinguished by using VOL Key in R LVL item 3 Adjust G LVL and B LVL as same way 4 When adjustment is finished Store it by pressing OK key And escape it by pressing TV AV Key 5 Using meth...

Страница 4: ... 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 OPTION Data 200 PRO TEXT I II SA TOP A2 ST SYS 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 ...

Страница 5: ...0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 OPTION Data 200 PRO TEXT I II SA TOP A2 ST SYS 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0...

Страница 6: ...0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 2 3 0 1 SCART 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 OPTION Data 200 PRO TEXT I II SA TOP A2 ST SYS 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 1 1...

Страница 7: ...0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 LANG 5 6 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 4 BBACK 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 VOL 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 DATA 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 4...

Страница 8: ...sh Arab Hebrew 1 Arab Hebrew 2 Farsi English Farsi France Farsi all DATA KEY TSS PANEL IIC T MD SA CH AU MONO 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0...

Страница 9: ...1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 DATA KEY TSS PANEL IIC T MD SA CH AU MONO 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1...

Страница 10: ...0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 DATA KEY TSS PANEL IIC T MD SA CH AU MONO 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 ...

Страница 11: ... 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 INVT 0 0 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 All manuals and user guides at all guide...

Страница 12: ... connector recheck them 2 Check and repair the IC806 807 SI4925 IC801 SI786 IC803 SI4808 P502 and Pin 21 connector 1 Check and fix P503B connector being slipped out 2 Check and fix the components at P502 LCD module and at main board 3 Check Pin50 Cracked components and 1 Check and repair tuner board and main board soldering at tuner board 2 Solder Q101 2 Dark screen 1 Defective LCD lamp 1 Replace ...

Страница 13: ...EXPLODED VIEW 112 174 A4 530 570 520 120 530 310 401 410 All manuals and user guides at all guides com ...

Страница 14: ...8A BUTTON 320 320 070E SPRING COIL 330 5020V00569A BUTTON 400 3809V00276A BACK COVER ASSY 401 3550V00193A COVER ASSY REAR 410 4811V00018A BRACKET ASSY STAND 520 6871VMMA23A PWB ASSY MAIN RE 6871VMMA24A PWB ASSY MAIN RL 530 6871VSMA93A PWB ASSY MX 540 6871VSMA57A PWB ASSY CONT 570 6633VA0003D INVERTER ASSY 15VOLT 580 6871VSMA54A PWB ASSY TUNER RE 6871VSMA55A PWB ASSY TUNER RL EXPLODED VIEW PARTS LI...

Страница 15: ...C509 IC801 IC809 IC850 IC851 IC852 IC854 IC901 IC902 IC903 IC904 IC905 L1 L2 D1 D801 D802 D805 D806 D807 D901 D902 LD1001 ZD101 IC506 IC802 IC803 0IZZVC0028A 0IAL241610B 0ISO204000A 0IFA752700A 0ISA721700C 0IIT323000D 0IKE780900M 0IHY100100A 0ISM941000A 0ISO210100B 0ISH092100B 0ITI808300B 0IMR882840B 0ISS416162B 0IKE702700D 0ICTMMO003A 0IKE703300E 0ITC786000A 0IKE781200P 0ISH092100B 0ISH323422A 0I...

Страница 16: ...LOCA NO PART NO DESCRIPTION C804 C805 C806 C807 C812 C814 C816 C819 C820 C826 C827 C828 C871 C872 C880 C881 C882 C904 C908 C909 C910 C914 C916 C922 C926 C927 C928 C930 C932 C933 C935 C936 C937 C938 C940 C943 C944 C945 C951 C954 C955 C959 C960 C1001 C1002 L103 L201 L214 L801 L802 0CE477BF618 0CE477BF618 0CE477BF618 0CE227BH618 0CE227BH618 0CE475DK618 0CE107DH618 0CE106DF618 0CE227DH618 0CE337DH618 ...

Страница 17: ... LA806 LA811 LA812 LA813 LA814 LA815 RA507 SY302 SY525 SY526 SY527 SY532 X1 6210TCE001A 6210TCE001G 6210TCE001A 6210TCE001A 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001A 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001A 6210TCE001A 6210TCE001E 6210TCE001G 6210TCE001G 6210TCE001G 6210TCE001G ...

Страница 18: ... KJE RADIAL 18 432MHZ 30P FILTER BAND PASS MKTGA40M9AAHP00A03 MKT40 9MA11 FILTER MKTG41M4AAHP00A03 FILTER BAND PASS MKTGA40M4AAHP00A03 MKT40 4MA11 MANUAL OWNERS MF004A NON NON EN REMOTE CONTROLLER LCD 42KEY ADAPTER RF CAM 1550 CHANGNAM 75 OHM CABLE ASSY AUDIO TO AUDIO MONO 2000MM JACK ASSY PMJ014F E P ST S VH JACK ASSY PJ6054P RCA 3P GOLD CONNECTOR ASSY 12P 400MM H B UL 1007 CONNECTOR ASSY 4P 450M...

Страница 19: ...PRINTED CIRCUIT BOARD MAIN TOP All manuals and user guides at all guides com ...

Страница 20: ...MAIN BOTTOM All manuals and user guides at all guides com ...

Страница 21: ...MX TOP MX BOTTOM SPEAKER TOP TUNER TOP TUNER BOTTOM CONTROL TOP CONTROL BOTTOM All manuals and user guides at all guides com a l l g u i d e s c o m ...

Страница 22: ...All manuals and user guides at all guides com ...

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