Philips FM242 Service Manual Download Page 37

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Electrical Diagrams and PWB Layouts

FM242 AA

Layout LED/Switch Panel (Top Side)

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0317 A1
0320 B3
1101 B1
2107 D3
2120 C1
6103 C3
6127 C2
7107 C3

Layout LED/Switch Panel (Bottom Side)

0317

1101

2126

3101

3102

3103

3104

3105

3106

3107

3108

3109

3120

3121

3122

3123

3124

3125

3126

3127

4101

4107

5100

6101

6105

7103

7105

7107

7120

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Summary of Contents for FM242

Page 1: ...s and PWB lay outs Diagram PWB Audio Amplifier DC Protection Diagram A1 27 34 35 Audio Amplifier Filters Diagram A2 28 34 35 Audio Amplifier Left High Diagram A3 29 34 35 Audio Amplifier Left Low Diagram A4 30 34 35 Audio Amplifier Right High Diagram A5 31 34 35 Audio Amplifier Right Low Diagram A6 32 34 35 Audio Amp Supply DC Prot Diagram A7 33 34 35 LED Switch Panel Diagram LD 36 37 SCAVIO Funct...

Page 2: ...nections RS232 Figure 1 2 RS232 connector subD 9p 1 2 TXD UART 3 RXD UART 4 RL_ICN ICONN 5 Ground 6 GL_ICN ICONN 7 LD_ICN ICONN 8 IR_TX ICONN 9 IR_RX ICONN 10 Ground 11 Ground Audio In DVI D 1 Audio L 0 5 Vrms 1 kΩ 2 Audio R 0 5 Vrms 1 kΩ Audio In VGA2 1 Audio L 0 5 Vrms 1 kΩ 2 Audio R 0 5 Vrms 1 kΩ Audio In VGA1 1 Audio L 0 5 Vrms 1 kΩ 2 Audio R 0 5 Vrms 1 kΩ VGA1 In Figure 1 3 VGA Connector 1 Re...

Page 3: ...round 4 5 6 DDC SCL 7 DDC SDA 8 9 RX1 10 RX1 11 Ground 12 13 14 5V_STBY_SW 15 Ground 16 5V_STBY_SW 17 RX0 18 RX0 19 Ground 20 21 Ground 22 23 RXC 24 RXC C5 Ground AV2 SVHS In 1 Y Ground 2 C Ground 3 Y 1 Vpp 75 Ω 4 C 16 9 0 3 Vpp 75 Ω AV2 Audio In 1 Audio L 0 5 Vrms 10 kΩ 2 Audio R 0 5 Vrms 10 kΩ AV1 Audio Video In 1 CVBS 1 Vpp 75 Ω 2 Audio L 0 5 Vrms 10 kΩ 3 Audio R 0 5 Vrms 10 kΩ AV3 Audio Video ...

Page 4: ...verview Figure 1 6 PWB Location CL 36532011_010 eps 060303 Logic Board X Board Y Main Y Buffer up Logic B uffer E Logic B uffer G Logic Buffer F Y Buffer down SMPS A SC VGA CONNECTOR PANEL SCAVIO PANEL AUDIO AMPLIFIER PANEL P POWER SUPPLY PANEL VGA LD LED SWITCH PANEL PLASMA DISPLAY PANEL ...

Page 5: ...ground or hot ground as this is called The direct voltages and oscillograms shown in the diagrams are indicative Measure them in the Service Default Mode see section Service Modes Where necessary measure the voltages in the power supply section both in normal operation and in standby These values are indicated by means of the appropriate symbols The semiconductors indicated in the circuit diagram ...

Page 6: ... on the board Ideally the LF BGA should be aligned under a microscope or magnifying glass If this is not possible try to align the LF BGA with any board markers To reflow the solder apply a temperature profile according to the IC data sheet So as not to damage neighbouring components it may be necessary to reduce some temperatures and times ...

Page 7: ...Directions for Use EN 7 FM242 AA 3 3 Directions for Use ...

Page 8: ...Directions for Use EN 8 FM242 AA 3 ...

Page 9: ...Directions for Use EN 9 FM242 AA 3 ...

Page 10: ...the metal back plate Make sure that wires and flat foils are not damaged during plate removal 4 3 Service Position Panels 4 3 1 SCAVIO Panel Solder side SCAVIO Figure 4 2 Service position SCAVIO 1 To access the panel 1 Remove the cables from connectors 0320 0305 0301 0319 and 0388 on the SCAVIO panel 2 Remove the power cable from the mains power inlet to the power supply connector 0308 3 Remove th...

Page 11: ... accessible To access the component side or to remove the whole panel unscrew the three fixation screws 4 3 5 LED Switch Panel and Speakers Figure 4 5 Service Position LED Switch Panel and Speakers To access or replace the LED Switch panel and or speakers 1 Take the monitor from its service stand and put it face down on a soft surface blanket or foam cushion to make sure that you do not damage the...

Page 12: ...lug the cable of the LED Switch panel connector 0320 8 You can now remove the metallised shielding frame together with the PDP Audio panel Power supply and SCAVIO panel attached to it see figure Exchange Glass Plate Note To prevent scratches make sure to put the shielding frame together with the PDP on a soft surface 9 Replace the glass plate Figure 4 7 Exchange PDP To exchange the PDP panel 1 Tak...

Page 13: ...0 brightness contrast etc Colour temperature is set to normal Bass treble and balance at 50 volume at 25 All service unfriendly modes if present are disabled like Video blanking Slow de mute Anti ageing Automatic switch to Standby when no sync signals are received Figure 5 1 SDM Flowchart How to enter SDM Use one of the following methods Use the standard RC transmitter and key in the code 062596 d...

Page 14: ... one of the following methods Select the sub menu s upper line with the CURSOR LEFT RIGHT keys on the remote control transmitter Select the menu items with the CURSOR UP DOWN keys With the CURSOR LEFT RIGHT keys it is possible to Activate the selected menu item Change the value of the selected menu item To toggle to the SDM mode use the standard customer RC transmitter and key in the code 062596 d...

Page 15: ...te is on or off How to navigate Use one of the following methods Switch to the other CSM page with the CURSOR LEFT RIGHT keys on the remote control You can increase decrease volume with the VOLUME UP DOWN keys on the remote control You can switch to another source with the NUM EXT keys on the remote control How to exit Use one of the following methods Press the MENU key of the remote control trans...

Page 16: ...is not the case ComPair will guide you through the faultfinding tree by asking you questions e g Does the screen give a picture Click on the correct answer YES NO and showing you examples e g Measure test point F7 and click on the correct oscillogram you see on the oscilloscope You can answer by clicking on a link e g text or a waveform picture that will bring you to the next step in the faultfind...

Page 17: ...u SAM the blinking LED procedure or via ComPair If a fault situation is detected an error code will be generated and if necessary the set will be put in the protection mode Blinking of the red LED at a frequency of 5 Hz indicates the protection mode In some error cases the microprocessor does not put the set in the protection mode The error codes are indicated by an orange front LED To get a quick...

Page 18: ...h some pixels do not extinguish when VS value is too low some pixels do not enlighten match with a possible misalignment of a supply line this supply line could be checked and re aligned Only do this if there is a slight spec violation In case it does not help re align to the previous wrong setting to keep cause image in tact for central repair workshop Replace supply panel by a new one and match ...

Page 19: ...164 7130 7131 SC8 SC10 LOGIC RGB MATRIX DDC EPROM 7088 7090 7225 SAA7118C 7280 SDA 9400 7089 74HCT4053D 9 10 VIDEO SEL 1 VIDEO SEL 2 9 6 10 V SYNC TTL H SYNC TTL V SYNC POL N H SYNC POL C SYNC LM V HD TV MODE PROM H HD V SYNC LM H SYNC COMP V SYNC COMP VGA1 V VGA1 H VGA2 V VGA2 H SYNC SEL 8x 8x 8x ADC 8x 8x Y OUT VOUT DEINT 8x UV OUT VPEN HOUT DEINT CLKOUT DEINT PW START SC4 GBLKSPL GCOAST SC9 SC1...

Page 20: ...LOCK DIAGRAM VIDEO 7800 A B 74HC4053D SC1 R R L1 R1 15 14 10 11 2 12 A B D CTR NIL L2 5 L3 6 L4 9 L5 10 L6 11 R1 25 R2 24 R3 23 R4 20 R5 19 R6 18 ERR 1 ERR 2 3795 3813 4811 4810 3812 DSP DIGITAL SOUND PROC DAC 27 SCL AUDIO 3794 12 PRE OUT1 L 13 7874 TC74HC590AF 7879 TC74HC590AF B 7870 TC74HC590AF 7880 CY7C199B 7x 7x RAM COUNTER COUNTER D F F D F F 7881 74HCT573 A 7882 74HCT573 I2S DATA IN1 I2S DAT...

Page 21: ...INPUT SC7 CONTROL FUNCTIONS 1 OTC 8V6 8V6 8B 8V6 3V3 STBY SW 3V3 STBY SW 5V 5V 5V 5R 5V 5V STBY SW 5S 5V STBY SW 5V 5352 5302 5350 6302 6353 5197 SC4 VIDEO SELECTION ADC SC5 VIDEO 5196 5198 5199 3V3PLL 5V POW 5V STBY SW 3V3 3V3 AD 3V3MAIN1 5V_STBY_SW 3V3OUTPUT 3V3MAIN2 5220 5222 5224 3V3AA 3V3DB 3V3DD 3V3 8V6 8V6 3V3VID 3V3 5V 5V 5221 5223 5228 3V3DA 3V3DC 3V3DE SC2 SYNC SELECTION SC8 CONTROL FUNC...

Page 22: ... SCL_AUDIO SDA_AUDIO 27 7798 TEA6422Q MATRIX SWITCH SLAVE HW IIC ERR 1 ERR 30 BACK END LVDS OUTPUT SC12 PW164 SC10 BACK END EPLD SC11 BACK END LVDS OUTPUT SC12 PLASMA DISPLAY PANEL PDP 74 3370 3371 73 7370 PCF8574A I O EXP SLAVE HW IIC ERR 6 SLAVE IIC SLAVE IIC 0319 6 7 0301 16 18 6 7 IIC BUS 2 slow 100KHz PW_SDA_NVM PW_SCL_NVM PW_RESET 3V3_PW 3583 4581 3580 3582 3581 6630 SCL 7215 ST24FC21 SDA 36...

Page 23: ...1 F528 C1 F530 C1 F530 C1 F565 B1 F565 B1 F601 B2 F601 B2 F607 B2 F607 B2 F628 B1 F628 B1 F630 B1 F630 B1 F665 B1 F665 B1 F710 C2 F710 C2 F711 C2 F711 C2 F712 B2 F712 B2 F713 B2 F713 B2 F714 B2 F714 B2 F717 C2 F717 C2 F718 C2 F718 C2 F719 C2 F719 C2 F720 C2 F720 C2 F723 B2 F723 B2 F724 B2 F724 B2 F725 B2 F725 B2 F730 B2 F730 B2 F732 A2 F732 A2 F733 A2 F733 A2 F735 B2 F735 B2 F736 A2 F736 A2 F740 A...

Page 24: ...1 3 8006 1 5 10 8009 1 3 4 13 8002 1 8 12 5 1 5 10 1 4 5 1 1 9 8001 8011 Protection Board 8010 8008 8003 P7 P6 P2 P1 P4 P5 P3 P12 P13 9 1 2 5 8 8007 P8 P9 P10 P11 P14 GREEN 8002 GREEN COIL COIL COIL 8003 RED 8004 VE VA Vcc VSCAN VSET 8V6 VFAN DV5 PFC VR8001 VR8002 VR8011 VR8012 VR8007 VR8006 VR8009 VR8010 VR8008 VR8005 VR8004 VR8003 3V3_VSB_S 5V_STBY_S COMPONENT SIDE COLD HOT ...

Page 25: ... F722 C1 F722 C1 F723 B7 F723 B7 F724 C6 F724 C6 F725 C6 F725 C6 F810 A1 F810 A1 F811 B1 F811 B1 F812 A1 F812 A1 F813 A1 F813 A1 F814 A1 F814 A1 F815 A1 F815 A1 F816 A1 F816 A1 F817 A1 F817 A1 F820 B1 F820 B1 F870 A1 F870 A1 F871 A1 F871 A1 F872 A1 F872 A1 F873 A1 F873 A1 F874 A1 F874 A1 F875 A1 F875 A1 I000 C1 I000 C1 I001 A2 I001 A2 I002 C1 I002 C1 I003 C1 I003 C1 I004 B1 I004 B1 I005 C1 I005 C1...

Page 26: ... VALID POS 1050 LIGHT_SENSOR_IN 8V6 GND 3V3 1 5V_STBY_SW POWER_OK GND GND GND GND GND VGA2_V Vs 8V6 AUDIO_LEFT_POS 1 POS 1061 FAN_SP_2 1 5V_STBY_SW GND RXIN1 RXIN2 LOW AUDIO_ENABLE LEFT_GND AUDIO_LEFT_NEG GND OPTIONAL HIGH_RIGHT_POS HIGH_RIGHT_NEG 1 GND 1 PDP GND GND AUDIO_RIGHT_POS GND 12 1 13 1 BLUE BROWN M91 CP91 MAINS inlet VGA2_RXD VGA2_TXD 3V3 5V_STBY 1 GREEN_LED RIGHT_GND AUDIO_RIGHT_NEG RI...

Page 27: ..._NEG VCC_10_POS VSND_NEG VSND_POS VCC_10_POS GND_I GND_O L_LOW OUT_LL OUT_PROT VCC_10_NEG VCC_10_POS VSND_NEG VSND_POS GND_F OUT_RL VCC_10_NEG VCC_10_POS VSND_NEG VSND_POS VSND_POS VCC_10_NEG AU_EN_NOT GND_O 9V_STBYA GND GND_O OUT_LH OUT_LL OUT_PROT OUT_RH GND_O 9V_STBYA 9V_STBYA AU_EN_NOT GND GND_F L_HIGH L_LOW R_HIGH R_LOW VCC_10_NEG VCC_10_POS VSND_NEG VCC_10_NEG VCC_10_POS VSND_NEG GND_O VCC_1...

Page 28: ...S VCC_10_POS GND_F VCC_10_POS 8 4 3220 220R 2271 7225 B LM833DT 5 6 7 220R 3205 22n F235 F245 2K2 3241 GND_F 82p 2207 2220 4n7 1K2 3255 1R 3259 GND_F 2217 RES F258 VCC_10_POS 10u 2206 VCC_10_NEG 3234 560R 2201 4n7 10u 2216 2261 100n 2K2 3233 GND_F 4n7 2205 GND_F 3203 2K7 GND_F GND_F F207 2221 10u 2233 68n F201 4n7 2215 5 6 7 8 4 2244 100n GND_F 7238 B LM833DT 1 2 3 4 5 6 7 8 GND_F GND_F RES PH S 0...

Page 29: ...340 8K2 3306 GND_I GND_I 2315 1u GND_I 2359 100n 6328 BAS316 3362 10R GND_I 220n 2365 GND_O BC817 25 7330 100MHZ 5335 10R 3315 6359 BZX384 C4V7 3327 2K2 10R 3355 2K2 3325 GND_O 6 4 3 F362 3308 100K 7365 2 IRF7343 5 3330 10R 7315 LM311D 5 BAL 1 GND 2 3 7 6 STR BAL 8 V 4 V 2318 100n 2334 220u C302 100MHZ 5360 100n 2355 220u 2360 VCC_10_NEG GND_O 4M7 3361 GND_I VCC_10_POS IRF7343 7365 1 7 8 2 1 BZX38...

Page 30: ...434 BZX384 C4V7 180R 3409 7465 2 IRF7343 5 6 4 3402 4K7 3401 1K GND_I 100K 3407 220u 2460 GND_O 100n 2459 33u 5465 100n 2455 VSND_POS 1u 2419 7430 BC817 25 3418 10R 82p 2410 100MHZ 5435 1 GND 2 3 7 6 STR BAL 8 V 4 V BZX384 C4V7 6455 BZX384 C4V7 7415 LM311D 5 BAL BZX384 C4V7 6459 6460 GND_I GND_I 3430 GND_O 82K 3410 F401 10R F465 7440 BC847BW 3408 100K F437 F462 BZX384 C4V7 6435 3461 10R 3437 4M7 G...

Page 31: ...Electrical Diagrams and PWB Layouts 31 FM242 AA 7 Audio Panel Supply Right High ...

Page 32: ...1 7 8 BC847BW 7602 GND_O 100MHZ 5635 GND_O 3630 10R BZX384 C4V7 6655 7615 LM311D 5 BAL 1 GND 2 3 7 6 STR BAL 8 V 4 V 2K2 3625 2618 100n 2630 100n F628 3607 100K VCC_10_NEG GND_O BC847BW 7640 2660 220u 3640 10K 6635 BZX384 C4V7 82K 3610 8K2 3606 6659 BZX384 C4V7 3618 10R VSND_POS GND_I 10R 3637 BZX384 C4V7 6660 3627 2K2 3661 4M7 2609 1n5 F662 F665 100n 2635 100n 2655 10R 3615 GND_I GND_O 6656 BZX38...

Page 33: ...IFIER RIGHT LOW AUDIO AMPLIFIER LEFT HIGH AUDIO AMPLIFIER LEFT LOW F710 C2 7736 C4 7745 D5 7746 E4 0391 E3 1730 B3 22u 2760 T2 5AL 250V 47K 3752 F776 F743 BZX384 C10 6742 F717 1n 2759 7755 BC847BW 220u 2730 BAV99W 1 3 2 BC847BW 7751 BC868 7745 6750 2753 10u 7736 BC847BW 7746 BC857BW F711 F786 1n 2770 F735 100MHZ 5753 VCC_10_POS 220u 2732 1K 3754 DC_PROT 10u 2752 5 C702 100MHZ 5714 PH S 0303 1 2 3 ...

Page 34: ...C1 3230 B1 3231 A2 3232 A2 3234 A2 3240 B1 3241 A2 3242 A2 3257 A1 3259 A1 3272 A1 3274 A1 3301 A1 3302 A1 3303 A1 3304 A1 3306 B1 3340 A2 3401 A1 3402 A1 3403 A1 3404 A1 3406 A1 3440 A2 3501 B1 3502 C1 3503 B1 3504 B1 3506 C1 3540 B2 3601 B1 3602 B1 3603 B1 3604 B1 3606 B1 3640 B2 3732 A1 3733 A1 3742 A1 3743 A1 3749 C2 3750 C1 3751 C1 3752 C1 3754 C1 3755 B1 3760 C1 3765 B1 3770 C1 3771 C1 3780 ...

Page 35: ...A2 3271 A2 3273 A2 3307 B2 3308 B2 3309 B2 3310 B2 3311 B2 3315 A2 3318 B2 3325 A2 3327 A2 3328 B1 3330 B1 3336 A1 3337 A1 3355 A1 3361 A1 3362 A1 3407 A2 3408 A2 3409 A2 3410 A2 3411 A2 3415 A2 3418 A2 3425 A2 3427 A2 3428 A1 3430 A1 3436 A1 3437 A1 3455 A1 3461 A1 3462 A1 3507 C2 3508 C2 3509 C2 3510 C1 3511 C2 3515 B2 3518 C2 3525 B2 3527 B2 3528 C1 3530 C1 3536 C1 3537 C1 3555 B1 3561 C1 3562 ...

Page 36: ... 0317 A9 0320 B1 1101 D3 2107 C7 2120 E5 2126 F6 3100 C2 3101 C4 3102 B4 3103 C5 3104 B6 3105 C5 3106 D6 3127 470K F106 6105 BZX384 C3V9 F107 3122 1K I120 I123 3101 150R F110 F112 8 4 F120 7120 A LM358D 3 2 1 F115 I127 5V_STBY_SW F116 I103 F119 I102 2120 10u 100K 3102 2126 220n I111 I106 100R 3109 1K 3124 3106 150R BC857BW 8V6 BC857BW 7105 7120 B LM358D 5 6 7 8 4 7103 TSOP2236 7107 GND 3 1 OUT 2 V...

Page 37: ... 2107 D3 2120 C1 6103 C3 6127 C2 7107 C3 Layout LED Switch Panel Bottom Side 0317 A4 1101 B3 2126 C3 3101 B2 3102 C2 3103 C2 3104 C2 3105 C2 3106 B2 3107 B3 3108 C1 3109 C1 3120 B3 3121 C3 3122 C3 3123 B3 3124 B3 3125 C3 3126 C3 3127 C3 4101 B3 4107 A4 5100 B2 6101 C2 6105 C2 7103 C2 7105 C2 7107 C1 7120 C3 CL 16532099_024 eps 240901 ...

Page 38: ...E 0 7 GGO 0 7 GND GRE 0 7 GRO 0 7 GR_ADDE GR_CLK HD_BLANKN HD_CLAMPN HOUT_DEINT VIDEO_SELECTION_AND_AQUISITION 3V3 3V3_STBY_SW 5V 5V_POW 5V_STBY_SW 8V6 75OHM_ON ADDE ADHS ADSOG ADVS ALT_GR_ADDE CLKOUT_DEINT C_SYNC_LM VIDEO_SEL_1 VIDEO_SEL_2 SDA_1 SDA_2 SDA_SW TV_MODE TXD_PW VGA1_B VGA1_G VGA1_H VGA1_R VGA1_V VGA2_B VGA2_G VGA2_H VGA2_OUTN VGA2_R VGA2_V 8V6 9V_STBY CPU_GO GND IRQ_PDP MSP_RESET PDP_...

Page 39: ...I004 I003 I002 I032 I000 2020 100n I007 I012 5007 100MHZ 3V3_STBY_SW GND 8 9 10 7 11 6 2040 100n 75R 3001 7025 B LM319D 1K 3053 3K3 3044 2060 100n 5060 100MHZ E 6 S 9 Vdd 16 7 Vee Vss 8 Y0 5 Y1 3 Z 4 74HCT4053D 7007 C I001 3052 1K 2K2 3043 3054 2K2 3040 3K3 3041 2K2 I018 BC847BW BZM55 C33 6010 7006 E 6 S 11 Vdd 16 Vee 7 Vss 8 12 Y0 Y1 13 Z 14 BC847BW 7041 74HCT4053D 7007 A 3034 100K 2K2 3031 3022 ...

Page 40: ...HZ 100n 2161 2160 100n VREF1 5160 VREF1A 3138 22K 5V 100MHZ 8AA 3112 270R 270R 3116 I133 I134 8A I108 3152 560R 100MHZ 5164 22K 3117 47n 2123 5M 5V 100MHZ 5170 5167 3195 1K 2150 22u I051 I072 I078 8A VREF2 I087 2112 22u I084 560R 3155 2113 100n 3158 2088 100n I115 5140 100MHZ 560R I053 VREF2 I124 I069 VREF1A I129 I128 3147 270R I112 8V6 I061 10u 2168 8V6 8SW 74HCT4053D 7089 A E 6 S 11 Vdd 16 Vee 7...

Page 41: ...55 67 VD4 VD5 68 VD6 70 VD7 96 98 VD8 VD9 104 VDD1 1 59 RX1 RX1 60 56 RX2 57 RX2 RXC 65 RXC 66 SCAN_CLK 50 129 SCAN_IN SCAN_OUT 45 SCDT 136 91 SCL 92 SDA SOGIN 108 140 SOGOUT VD1 51 105 VD10 144 REDA7 143 160 REDB0 159 REDB1 REDB2 158 157 REDB3 156 REDB4 155 REDB5 154 REDB6 153 REDB7 125 REFIN REFOUT 126 RMIDSCV 120 53 RTERM 62 RX0 RX0 63 71 72 NC2 NC3 73 PVD1 75 PVD2 77 79 PVD3 87 PVD4 PVD5 88 RA...

Page 42: ...12 UVOUT6 11 UVOUT7 10 9 25 41 56 35 51 53 HIN 23 HOUT HEXT 60 HREF 62 INTERLACED 18 RESET 30 SCL 20 SDA 21 SYNCEN 29 TEST 19 UVIN0 31 UVIN1 32 UVIN2 33 UVIN3 34 UVIN4 37 UVIN5 38 UVIN6 39 3V3DC 7280 SDA9400 54 CLK1 CLKOUT 26 F233 F235 100n 2240 2282 100n 100R 3289 B 100R 3271 2285 100n 3250 100R 3V3DE F236 F227 100R 3290 A 3286 C 100R 3291 D 100R 100n 2280 5 6 7 8 9 0387 1 2 3 4 F220 3V3DE 100n 2...

Page 43: ... B 3909 10K 4K7 2335 4008 3923 I230 I249 I231 I246 I256 I245 BAT254 6381 I233 2345 2341 1K 3922 1K 3919 1K 4316 3918 3917 4K7 I272 2336 I263 I265 I268 I260 I262 I257 5V_STBY_SW I264 I275 I281 I258 I254 I248 I243 I247 I267 6353 BAT254 470R 470R 3902 470R 3903 3904 6380 3307 4K7 BC847BW BAT254 1K 3326 7315 3327 7316 BC847BW I255 10K I251 33K BC847BW 7325 3349 4898 4K7 3317 3915 3914 100R 10K 3298 39...

Page 44: ...BS0_R 4 CVBS1 7 CVBS1_R 6 D0 36 D1 32 D10 26 D11 22 D12 25 D13 29 54 A14 52 A15 48 A16 46 A17 44 A18 63 A19 65 A2 47 A20 64 A21 66 A22 67 A23 68 A3 51 A4 53 A5 55 A6 57 A7 7383 SAA5801H A1 45 A10 60 A11 58 A12 56 A13 2K2 3394 2500 100n 3V3_CNTL_E F419 100R 3406 C 4K7 3432 2K2 3413 3488 2K2 I355 I366 3502 3503 3381 C 100R 150R 3485 F432 3388 1K 100MHZ 5523 3404 D 100R 100n 2506 F402 100R 3381 B F41...

Page 45: ...d 7 Vee Vee 7 Vss 8 Y0 2 Y1 1 Z 15 7555 C 74HC4053D 6 E 9 S 16 Vdd 7 16 Vee 7 Vss 8 Y0 12 Y1 13 Z 14 74HC4053D 7555 B E 6 S 10 Vdd 16 16 Vdd 7 Vee 8 Vss 12 Y0 13 Y1 14 Z 74HC4053D 7550 A E 6 S 11 Vdd 7555 A 74HC4053D 6 E 11 S 5V_EXP I408 3566 I409 3567 1 2 5V_POW 100n 2535 3542 0316 3538 10K 2559 1n 2546 1n 1 3 2 5V_STBY_SW 1 3 2 5V_STBY_SW 6552 BAV99W 5V_STBY_SW BAV99W 6553 I420 I419 3556 2K2 I41...

Page 46: ...13 F565 F594 F569 7574 A 74LVC125A 2 1 14 7 3 F602 I432 F570 F608 F592 F593 5V F595 F603 6503 BZX384 C2V4 3591 3K3 5V_0E 100R 3571 6500 6502 5V_0E F601 F598 VCC 4 VSS 7 WC_ F609 7580 1 E0 2 E1 3 E2 6 SCL 5 SDA 8 10u 2573 F567 5V I430 3V3 100n 2584 CX 11F 1570 24M576 4592 3592 3K3 F576 7574 C 74LVC125A 9 10 14 7 8 F605 2572 100n 100n 2574 3016 100R 100R 3581 F568 F584 F599 3K3 3590 100MHZ 5574 3582...

Page 47: ... I O6 I O7 15 I O8 16 I O9 29 21 A12 A13 20 19 A14 A15 18 A2 3 2 A3 1 A4 A5 44 A6 43 42 A7 27 A8 A9 26 BHE_ 40 39 BLE_ CE_ 6 7628 CY62126 A0 5 4 A1 A10 25 A11 24 2V5 100MHZ 5630 2614 100n F617 3V3W 3V3_PW 2619 100n 100R 3606 3633 4K7 3V3_PW 3612 3K3 F637 F629 3V3_PW 2V5 WR W6 W4 U4 P4 L4 K4 G4 D10 B11 A12 D14 D17 G17 K17 A14 VVS M4 VG5 C9 VG6 A8 VG7 B14 VHS C13 VPEN D4 P17 T19 U17 W17 U14 W14 U12 ...

Page 48: ...1 IO33 D13 IO34 D14 IO35 D16 IO36 E1 IO37 E2 E4 IO38 IO39 E7 IO4 A8 IO40 E9 IO41 E10 IO42 E13 IO43 E14 IO44 E15 IO16 C1 IO17 C4 IO18 C5 IO19 C6 IO2 A6 IO20 C8 IO21 C10 IO22 C11 C12 IO23 IO24 C13 IO25 D2 D3 IO26 IO27 D5 IO28 D6 IO29 D7 IO3 A7 T1 IO135 T2 IO136 T3 IO137 T4 IO138 IO139 T5 IO14 B12 IO140 T6 IO141 T7 IO142 T9 IO143 T10 IO144 T11 T12 IO145 T13 IO146 IO147 T14 IO148 T15 IO15 B13 IO120 P1...

Page 49: ...4 TXIN20 22 TXIN21 23 TXIN22 24 TXIN23 25 TXIN24 27 TXIN25 28 53 36 43 49 LVDSVCC 44 35 33 PLLVCC 34 PWRDWN_ 32 17 R FB 31 TXCLKIN TXCLKOUT 39 TXCLKOUT 40 TXIN0 51 TXIN1 52 TXIN10 8 TXIN11 7670 DS90C385MTD 5 13 21 29 F670 F680 I681 I683 7675 BSH103 F671 3K3 3681 F682 3687 3679 100R 1p 2698 470R 3682 BSH103 7676 I680 F691 I682 F675 100MHZ 5673 3V3_PW 4684 2674 100n F678 100R 3676 F692 F684 F681 100...

Page 50: ...6786 I577 I576 6782 BZM55 C33 I599 100n 2715 I589 R6 18 ROUT1 13 ROUT2 15 ROUT3 17 SCL 27 SDA 28 VS 3 I539 L3 6 L4 9 L5 10 L6 11 LOUT1 12 LOUT2 14 LOUT3 16 7 8 21 22 R1 25 R2 24 R3 23 R4 20 R5 19 7798 TEA6422D ADDR 26 CAP 2 GND 1 L1 4 L2 5 2757 1u 2795 1u 2788 1u I587 6787 BZM55 C33 I597 I556 100R 3763 I570 4V3A I540 I544 100R 3795 100K 3836 1u 2732 BZM55 C33 6710 100p 2751 1u 2796 100p BC857BW 78...

Page 51: ...R 3844 F814 3849 100R 220n 2867 0388 PH S 1 2 3 4 5 6 7 8 F815 4V3B 4810 F820 10u 2834 3870 100R 2841 22K 3861 10u 2816 3853 39K 100n 2842 3855 100R 2835 7851 A LM833DT 3 2 1 8 4 1n5 2833 22K 3850 F813 470p 2839 2823 10u 2837 470p 7841 B LM833DT 5 6 7 8 4 2849 1n 39K 3843 39K 3848 I676 4V3B 8V6B I671 3811 4K7 100u 2857 1n 100MHZ 5810 2810 I662 4V3B F817 1n 2828 4V3B I659 1n 2844 27p 2843 TS462CD 5...

Page 52: ... FOR TV RAM 6 7 8 9 10 11 12 A B C D E F G H A B C D E F 5D 4883 100n 2880 F872 4894 5D F870 F873 4874 5 CE_ 20 GND 14 I O0 11 I O1 12 I O2 13 I O3 15 I O4 16 I O5 17 I O6 18 I O7 19 OE_ 22 VCC 28 WE_ 27 A0 21 A1 23 A10 6 A11 7 A12 8 A13 9 A14 10 A2 24 A3 25 A4 26 A5 1 A6 2 A7 3 A8 4 A9 100n 2870 7880 CY7C199B 5D 4884 4875 4876 15 1 2 3 4 5 6 7 13 9 VCC 16 TC74HC590AF 7870 11 12 10 GND 8 14 5870 1...

Page 53: ... B6 3304 B6 3305 B3 3306 A5 3308 A6 3309 A6 3310 A6 3311 A6 3316 A5 3318 A6 3319 A6 3320 A6 3321 A6 3323 A5 3324 A5 3328 A6 3329 A6 3330 A6 3331 A6 3333 A5 3334 A5 3336 B3 3337 B3 3338 B3 3339 B3 3340 B1 3346 B1 3351 B6 3352 C1 3353 C1 3354 C1 3355 C1 3359 A6 3363 C3 3364 C1 3365 C1 3366 C1 3370 A5 3371 A5 3373 A5 3374 A5 3375 B5 3376 B5 3377 B5 3378 B5 3379 B5 3380 B2 3381 B2 3382 B2 3383 B2 3385...

Page 54: ...54 FM242 AA 7 Electrical Diagrams and PWB Layouts Layout SCAVIO Panel Part 1 Top Side CL 26532038_50a eps 020402 ...

Page 55: ...Electrical Diagrams and PWB Layouts 55 FM242 AA 7 Layout SCAVIO Panel Part 2 Top Side CL 26532038_50b eps 020402 ...

Page 56: ...56 FM242 AA 7 Electrical Diagrams and PWB Layouts Layout SCAVIO Panel Part 3 Top Side CL 26532038_50c eps 020402 ...

Page 57: ...Electrical Diagrams and PWB Layouts 57 FM242 AA 7 Layout SCAVIO Panel Part 4 Top Side CL 26532038_50d eps 020402 ...

Page 58: ... 3419 A8 3420 A7 3421 A7 3422 A7 3423 A8 3430 B7 3431 B7 3432 B7 3433 B7 3435 B7 3436 B7 3450 B7 3490 B7 3494 B7 3507 B8 3511 B7 3513 B7 3514 C8 3515 C8 3516 C8 3517 C8 3518 C8 3530 A3 3531 A3 3532 A3 3533 A3 3534 A4 3535 A4 3537 A3 3538 A4 3539 A3 3548 A2 3549 A4 3550 A8 3551 A8 3552 A8 3553 A8 3554 A3 3555 A4 3561 A2 3562 A2 3563 A2 3564 A2 3565 A2 3566 A2 3567 A2 3568 A4 3569 A3 3590 A5 3591 A5...

Page 59: ...Electrical Diagrams and PWB Layouts 59 FM242 AA 7 Layout SCAVIO Panel Part 1 Bottom Side CL 26532038_51a eps 020402 ...

Page 60: ...60 FM242 AA 7 Electrical Diagrams and PWB Layouts Layout SCAVIO Panel Part 2 Bottom Side CL 26532038_51b eps 020402 ...

Page 61: ...Electrical Diagrams and PWB Layouts 61 FM242 AA 7 Layout SCAVIO Panel Part 3 Bottom Side CL 26532038_51c eps 020402 ...

Page 62: ...62 FM242 AA 7 Electrical Diagrams and PWB Layouts Layout SCAVIO Panel Part 4 Bottom Side CL 26532038_51d eps 020402 ...

Page 63: ...00R 3903 F945 F914 I935 I927 BZM55 C33 I924 6914 BZM55 C33 6913 14 7 3 100n 2901 13 12 14 7 7910 A 74HCT125D 2 1 5900 100MHZ 74HCT14D 7900 F BZM55 C33 6912 BZM55 C33 6911 6915 3916 100R BZM55 C33 I921 2908 100n I908 BZM55 C33 6922 100R 3924 7 8 9 3907 100R 16 17 1 10 11 12 13 14 15 2 3 4 5 6 748390 0371 I954 6907 BZM55 C33 I925 3927 4K7 I913 3900 75R 3999 F905 4911 3919 100R 6921 BZM55 C33 6918 BZ...

Page 64: ...64 FM242 AA 7 Electrical Diagrams and PWB Layouts Layout VGA Connector Panel Top Side 0318 A2 0371 A1 0372 A2 0374 A2 CL 26532038_053 eps 150402 ...

Page 65: ... A2 3911 A2 3912 A2 3913 A1 3914 A2 3915 A1 3916 A1 3917 A1 3918 A1 3919 A1 3920 A1 3921 A1 3922 A1 3923 A1 3924 A1 3925 A1 3926 A1 3927 A2 3928 A2 3929 A1 3930 A1 3934 A1 3935 A1 3937 A2 3938 A2 3939 A1 3940 A1 3999 A1 4910 A1 4911 A1 5900 A2 5901 A1 6900 A2 6901 A2 6902 A2 6903 A2 6904 A2 6905 A1 6906 A2 6907 A2 6908 A2 6909 A2 6910 A2 6911 A2 6912 A1 6913 A1 6914 A1 6915 A1 6916 A1 6918 A1 6920...

Page 66: ...66 FM242 AA 7 Electrical Diagrams and PWB Layouts Personal Notes Personal Notes ...

Page 67: ...y 20 minutes Measure the voltages and waveforms in relation to chassis ground with the exception of the voltages on the primary side of the power supply Never use the cooling fins plates as ground Test probe Ri 10 MΩ Ci 2 5 pF Use an isolated trimmer screwdriver to perform the alignments Use a VGA generator or a Personal Computer contact your National Service Organisation for the necessary test pa...

Page 68: ...lasma display Colour temperature Select the appropriate colour temperature for the alignments see also White point adjustment below White Point Table 8 3 SAM Menu Scaler White Point Method 1 with colour analyser 1 Supply via an external VGA source e g a PC with 1024x768 mode or a VGA generator a White Drive test pattern ask your NSO This picture consists of a black picture with in the middle a 100...

Page 69: ... until the transients of the colour part and black and white part of the test pattern are at the same position Fixed value is 4 Lum delay SECAM Apply a SECAM colour bar grey scale pattern as a test signal Adjust value until the transients of the colour part and black and white part of the test pattern are at the same position Fixed value is 4 Lum delay NTSC Apply a NTSC colour bar grey scale patte...

Page 70: ...ng Audio Amplifier RC LED Switch Panel 3D Comb PW PixelWorks PW164_10R or 10RK Video Scaling Co processor OTC Main Processor SAA5801H xx LVDS Encoder DS90C385 Flash ROM 2Mbyte NVM 32Kbit ADC TMDS Decoder AD9887 Y G Pb B Pr R H V Sync decoder NVM DDC NVM DDC EPLD EP1K30QC PDP Digital Video Decoder SAA7118 De interlacer SDA9400 MSP Audio Processor MSP3415G Audio Delay 32KSRAM CY7C1399 Flash ROM 2Mby...

Page 71: ...de the monitor can be controlled via the Remote Control or via the RS232C port DDC1 2B Digital Data Channel an I2 C based protocol is implemented with separate identification NVMs for the two VGA inputs and the DVI D input as well In addition the RS232C port can be used for software download to the PW and the OTC The target for downloading is controlled via a switch in the RS232C path the switch i...

Page 72: ...4 Control 9 4 1 Supply See figure Power Supply Part in paragraph 9 1 5 even opletten dat hij goed verwijst 9 4 2 Video Processing Diagrams SC3 4 5 6 10 11 and 12 Introduction Figure 9 3 Video path This mainly consists of a small analogue processing part and a larger digital signal processing part The video inputs like CVBS YC High Definition RGB or YUV 1fH and 2fH VGA and DVI D are received and pr...

Page 73: ...to RGB matrix and 2fH Video Sync Switch are explained above in the Analogue Video part 2 The Digital Video path containing the Digital Video Decoder and the De interlacer 3 The Digital Graphics path containing the ADC TMDS decoder 4 The Scaler which is the PixelWorks PW164 10R plus Memory 5 The EPLD for sync decoding and video manipulation 6 The LVDS encoder The Digital Graphics Path This is a str...

Page 74: ...during start up the EPLD will keep the LVDS transmitter in reset Receiver box mode detection For loop through mode a second FTV monitor connected to the output of the first monitor a secondary detection is needed to check the presence of an Receiver or E box ATSC sync detection decoding Core for proper sync decoding for ATSC sources Contrast reserve This function can increase the gain of the video...

Page 75: ...to its latest position after the set has been switched off or to standby There is only one H and one V shift value for the anti ageing process that is applicable for the AV1 AV2 and AV3 inputs Note Horizontal shift cannot be done for sources that are screen filling and do not have sufficient overscan Vertical V shift is done in the F21R Receiver box when the TV mode is active or in the enhanced co...

Page 76: ...ted as I2S_DATA_OUT to the audio delay circuit and depending on the selected delay returned as I2S_DATA_IN1 or I2S_DATA_IN2 resulting in AUDIO_L R_OUT Anti plop Mute In several cases it is necessary to mute the sound output This muting is handled by the MSP sound processor or by the Receiver box in case of TV mode In Monitor mode During switch on off of the monitor During source change During vide...

Page 77: ...ip will make the RESET signal high During power up this signal will be held high until 240 ms after VCC has become stable During power down the system will be reset as soon as the VCC drops below 3 08 V Start up from Standby When the monitor is in standby mode it can wake up in several ways When an RC command is received RC_IN Detection of H and or V sync on VGA1 Detection of UART communication on...

Page 78: ...De interlacer SDA9400 Enhanced version only ADC TMDS receiver AD9887 3D Comb filter MN8783LSI optional I2 C bus 4 is a 5 V device bus only connected to the NVM to avoid data corruption Notes The PDP and EPLD are in fact 3 3 V bus devices but they need to be connected to bus 1 since the OTC is the first controller to be fully operating at start up For this reason an I2C level shifter items 7675 76 ...

Page 79: ...rocessor of the monitor indicating the functionality of the monitor to drive the LED on the ICONN Box LD_ICN Control signal from the ICONN Box to drive the green LED on the monitor 9 5 Audio Amplifier Panel Diagram A 9 5 1 Introduction Figure 9 7 Blockdiagram Audio Amplifier This panel houses the audio filters and amplifiers necessary for driving the speakers The differential audio inputs for comm...

Page 80: ...rge output filter that drives up cost and size The main reason for this filter is that the switching waveform results in maximum current flow This causes more loss in the load which causes lower efficiency An LC filter with a cut off frequency less than the Class D switching frequency 350 kHz allows the switching current to flow through the filter instead of the load The filter is less lossy than ...

Page 81: ...ry digital to analogue conversions 9 8 Abbreviation list ADC Analogue to Digital Converter AM Amplitude Modulation AP Asia Pacific AV External Audio Video B G Monochrome TV system Sound carrier distance is 5 5 MHz BGA Ball Grid Array BTSC Broadcast Television Standard Committee Multiplex FM stereo sound system originating from the USA and used e g in LATAM and AP NTSC countries ComPair Computer ai...

Page 82: ... video scaling co processor PWM Pulse Width Modulation RAM Random Access Memory RC Remote Control handset RC5 Remote Control system 5 signal from the remote control receiver RGB Red Green Blue ROM Read Only Memory SCART Syndicat des Constructeurs d Appareils Radiorecepteurs et Televisieurs SCAVIO Scaler Control Audio Video Input and Output SCL Serial Clock I2C SDA Serial Data I2C SDI Samsung Displ...

Page 83: ...3 2760 5322 124 41945 22µF 20 35V 2770 5322 126 11578 1nF 10 50V 0603 2771 5322 126 11578 1nF 10 50V 0603 2780 5322 126 11578 1nF 10 50V 0603 2781 5322 126 11578 1nF 10 50V 0603 2799 5322 126 11583 10nF 10 50V 0603 3201 4822 051 30221 220Ω 5 0 062W 3202 4822 051 30102 1k 5 0 062W 3203 4822 051 30272 2k7 5 0 062W 3205 4822 051 30221 220Ω 5 0 062W 3206 4822 051 30102 1k 5 0 062W 3207 4822 051 30272 ...

Page 84: ...T1 A 63V 2410 1101 2422 128 02927 Switch push 2P 1105 2422 086 11092 Fuse F0 5A 50V 1206 1170 2422 086 11092 Fuse F0 5A 50V 1206 1171 2422 086 11013 Fuse F0 315A 32V 1206 1270 2422 086 11092 Fuse F0 5A 50V 1206 1415 2422 543 89022 Crystal 6MHz 20pF CX5F 1570 2422 543 01115 Crystal 24 576MHz 12P QS06 1575 2422 086 11092 Fuse F0 5A 50V 1206 1670 2422 086 10964 Fuse T0 630A 63V 2410 8320 3122 358 765...

Page 85: ...0 50V 0603 2515 2238 586 59812 100nF 80 20 50V 0603 2520 4822 124 23002 10µF 16V 2521 4822 124 23002 10µF 16V 2522 4822 124 23002 10µF 16V 2523 4822 124 23002 10µF 16V 2524 4822 124 23002 10µF 16V 2530 5322 124 41945 22µF 20 35V 2531 2238 586 59812 100nF 80 20 50V 0603 2533 2238 586 59812 100nF 80 20 50V 0603 2534 2238 586 59812 100nF 80 20 50V 0603 2535 2238 586 59812 100nF 80 20 50V 0603 2537 22...

Page 86: ...1k8 1 0 063W 0603 3103 5322 117 13047 330Ω 1 0 063W 0603 3104 5322 117 13042 3K9 1 0 063W 0603 3105 5322 117 13036 1k2 1 0 063W 0603 3106 5322 117 13036 1k2 1 0 063W 0603 3107 5322 117 13042 3K9 1 0 063W 0603 3108 5322 117 13037 2K2 1 0 063W 0603 3109 5322 117 13036 1k2 1 0 063W 0603 3110 5322 117 13036 1k2 1 0 063W 0603 3111 5322 117 13037 2K2 1 0 063W 0603 3112 4822 051 30271 270Ω 5 0 062W 3113 ...

Page 87: ...3518 4822 117 13632 100k 1 0603 0 62W 3519 4822 051 30222 2k2 5 0 062W 3520 4822 051 30222 2k2 5 0 062W 3530 4822 051 30101 100Ω 5 0 062W 3531 4822 051 30101 100Ω 5 0 062W 3532 4822 051 30101 100Ω 5 0 062W 3536 5322 117 13037 2K2 1 0 063W 0603 3540 4822 051 30101 100Ω 5 0 062W 3541 4822 051 30101 100Ω 5 0 062W 3545 4822 051 30008 Jumper 0603 3547 4822 051 30102 1k 5 0 062W 3548 4822 051 30102 1k 5...

Page 88: ...at100MHz0603 5161 2422 549 43062 Bead600Ωat100MHz0603 5162 2422 549 43062 Bead600Ωat100MHz0603 5164 2422 549 43062 Bead600Ωat100MHz0603 5166 2422 549 43769 Bead 30Ω at 100MHz 5170 2422 549 43769 Bead 30Ω at 100MHz 5175 2422 549 43062 Bead600Ωat100MHz0603 5180 2422 549 43062 Bead600Ωat100MHz0603 5196 2422 549 43062 Bead600Ωat100MHz0603 5197 2422 549 43769 Bead 30Ω at 100MHz 5198 2422 549 43062 Bead...

Page 89: ...16406 TL431ACD 7641 9322 157 95668 STD16NE06L 7655 9322 141 53682 EPC2LC20 7656 9322 186 23671 EP1K50FC256 3 7670 9322 159 45668 DS90C385MTD 7675 9340 560 36235 BSH111 7676 9340 560 36235 BSH111 7714 4822 209 30095 LM833D 7718 3198 010 42310 BC847BW 7734 4822 209 30095 LM833D 7754 4822 209 30095 LM833D 7798 9322 116 87668 TEA6422D 7800 4822 209 60792 74HC4053D 7801 3198 010 42310 BC847BW 7802 3198...

Page 90: ...Revision List EN 90 FM242 AA 11 11 Revision List First release ...

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