AOC A20E221 Series Service Manual
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AOC A20E221 Series Service Manual

AOC A20E221 Series Service Manual

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THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE
EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT
GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION
AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.
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LCD TV MONITOR
SERIES
MANUFACTURE DATE: June-10,-2005
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AOC A20E221
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A20E221
Revision: A00
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Summary of Contents for AOC A20E221 Series

  • Page 1 AOC A20E221 LCD TV MONITOR A20E221 SERIES THESE DOCUMENTS ARE FOR REPAIR SERVICE INFORMATION ONLY. EVERY REASONABLE EFFORT HAS BEEN MADE TO ENSURE THE ACCURACY OF THIS MANUAL; WE CANNOT GUARANTEE THE ACCURACY OF THIS INFORMATION AFTER THE DATE OF PUBLICATION AND DISCLAIMS RELIABILITY FOR CHANGES, ERRORS OR OMISSIONS.

  • Page 2: Table Of Contents

    AOC A20E221 TABLE OF CONTENTS 1. SPECIFICATIONS …................…………...….. GENERAL SPECIFICATIONS …..........…………..…. LCD TV DESCRIPTION ..........…………...………….. INTERFACE CONNECTOR ............…………..…. 2. D-SUB PIN DISTRIBUTION.................……………...… FACTORY PRESET DISPLAY MODES……………………………………..…... 3. ADJUSTMENT...............……………...…………………. USE OF THE REMOTE CONTROL..........…………..USE OF THE MENUS ..............…………..3-2-1 BUTTON CONTROL ..............…………...
  • Page 3 AOC A20E221 POWER BOARD PCB LAYOUT………………………………………………….. BLOCK DIAGRAM ............………………………………... 10-1 MAIN BOARD BLOCK DIAGRAM……………………………………………..… 10-2 POWER BOARD BLOCK DIAGRAM……………………………………..…….. SCHEMATIC DIAGRAM …...............…………….. 11-1 MAIN BOARD SCHEMATIC DIAGRAM………………...………………………. 11-2 POWER BOARD SCHEMATIC DIAGRAM…………...…………………………...

  • Page 4: Specifications

    AOC A20E221 1. SPECIFICATIONS 1-1 GENERAL SPECIFICATIONS Specification Items Screen Size 20” TFT-LCD Panel Aspect Ratio Resolution 800 x 600 (SVGA) Display Area (opening) 408mm x306mm H x V Pixel Pitch 0.51mm x 0.51mm Display colors 16.7 million LCD Panel...

  • Page 5: Description

    AOC A20E221 The LCD TV will contain a main board (include audio), a switching power board (include an inverter board), an IR board, a Headphone jack board and a function keyboard. The main board and power board will house the flat panel...

  • Page 6: Factory Preset Display

    AOC A20E221 With proper signals feed to the display, a pattern or data should appear on the screen, adjust the brightness and contrast to the most pleasing display, or press auto-adjust to get the best picture-quality. This TV (with PC function) has power saving function following the VESA DPMS. Be sure to connect the signal cable to the PC.

  • Page 7: Use Of The Menus

    AOC A20E221 POWER: MUTE Press to turn on/off the TV. The Temporarily interrupt TV is never completely powered the sound or restore it. off unless it is physically unplugged. DISPLAY Press this button to 0~9/100 Digit buttons Display Channel To select a TV channel.

  • Page 8: To Use The Menus

    AOC A20E221 SOURCE Λ POWER MENU MENU: Press to show the OSD menu and exit OSD menu at the TV. Λ: Press to perform select function and channel. POWER: Press to turn on or off the TV. Light is green when the power on, Light is orange when the power off.

  • Page 9: Audio Adjust

    AOC A20E221 You can adjust picture contrast, brightness, color, tint and sharpness to the levels you prefer. 5. Reset is set up to default value. When adjust any item sub-OSD will show up like this Audio Adjust 1. Volume is adjusted from 0 to 100.
  • Page 10 AOC A20E221 Remark: the captions do not always use correct spelling and grammar. Not all TV programs and product commercials are made for broadcast with Closed Caption information included. Refer to your area’s TV program listings for the TV channels and times of closed Caption shows. The captioned programs are usually noted in the TV listings with service Marks such as “CC”.
  • Page 11 AOC A20E221 U: Unblock B: Block Setting up Movie Guidelines Use Up/Down arrow buttons to move around the matrix and press Right arrow button to change the value from “U” to ‘B” or “B” to “U” CHANGE PIN (personal identification number) is needed for changing password to control V-chip setup.
  • Page 12 AOC A20E221 The timer begins to count down from the number of minutes selected after the display has disappeared. Note: To view the remaining time, press the SLEEP button once. To cancel the sleep time, repeatedly press the SLEEP button until… appears. If you turn the TV off after setting the sleep time, the setting will be erased. Set it again.
  • Page 13 AOC A20E221 The color temp is for you to adjust the color temperature to one you prefer.

  • Page 14: Trouble Shooting Chart

    AOC A20E221 4. TROUBLE SHOOTING CHART 4-1. Panel Control Circuit No Display Check CN101 pin 42-45 Replace panel or FPC is 5V and signal on pin cable to panel 35,37,39,40,25-28,30- 33,15-18,20-23,5-8,10-13 Check U300 Output to CN101 relative circuit Replace L118, C317...

  • Page 15: Remote Control Block Trouble

    AOC A20E221 4-2. Main Board Power Circuit 4-3. Remote Control Block...

  • Page 16: Key Board Control Block Trouble

    AOC A20E221 4-4. Key Board Control Block...
  • Page 17 AOC A20E221 4-5. PC Control Block...
  • Page 18 AOC A20E221...

  • Page 19: Audio Control Block Trouble

    AOC A20E221 4-6. Audio Control Block...

  • Page 20: White-Balance, Luminance Adjustment

    AOC A20E221 4-7 Video Control Block Note: 1. If Replace “MAIN-BOARD” , Please re-do “DDC-content” programmed & “WHITE-Balance”. 2. If Replace “ POWER-BOARD INVERTER” only, Please re-do “ WHITE-Balance” 3. Please re-install program before you do change any component. 5. White-Balance, Luminance adjustment...
  • Page 21 AOC A20E221 Approximately 30 minutes should be allowed for warm up before proceeding white balance adjustment. Before started adjust white balance, please setting the Chroma-7120 MEM. Channel 1 to 9300 color, MEM. Channel 2 to 6500 color, and MEM. Channel 3 to 9300 color, (9300 parameter is x =283, y = 297, Y = 250cd/m2 (PC Mode);...

  • Page 22: Software Flow Chart

    AOC A20E221 1. Switch the chroma-7120 to RGB-mode (with press “MODE” button) 2. Switch the MEM. Channel to Channel 02 (with up or down arrow on Chroma-7120) 3. The LCD-indicator on chroma-7120 will show R = ***, G=***, B=***. 4. Change source input to PC.
  • Page 23 AOC A20E221...
  • Page 24 AOC A20E221...
  • Page 25 AOC A20E221...

  • Page 26: Mechanical Of Cabinet Front Dis-Assembly

    AOC A20E221 7. MECHANICAL OF CABINET FRONT DIS-ASSEMBLY...
  • Page 27 AOC A20E221 Index Part Name Part No. Index Part Name Part No. Bezel 34V1247 Shielding Connector 85V653 Lens Wireless 33V4676 Screw M1V330-4128 Lens Remote 33V4658 Connector BKT 15V5930 Lens Power 33V4659 Screw Q1V930-6128 Remote Board IRP760A1 Rear Cover 34V1222 Screw...

  • Page 28: Parts List Of Cabinet

    AOC A20E221 8. PARTS LIST OF CABINET Location Part Number Description Quantity Unit M1V 330 4128 SCREW M3X4 CBPFA64KASE17 CONVERSION BOARD PWTV2062AU1 20" POWER BOARD 15V5930 1 BKT CONNECTOR 15V5943 3 MAIN FRAME 23L3178815 2A LOGO 26L 800504 5 BAR CODE...
  • Page 29 AOC A20E221 89L402A18N IS POWER CORD 95L8014 8 11 HARNESS 8P-4P+4P 680MM 98LR7SW3BEACF remote control for usa M1V 140 12120 SCREW M1V 330 4128 SCREW M3X4 M1V 330 4128 SCREW M3X4 M1V 330 4128 SCREW M3X4 M1V 330 6128 SCREW...
  • Page 30 AOC A20E221 715L1229 C 2 TV2054-2A LCD TV M/B 17 C100 65L0603104 12 0.1UF +-10% 16V X7R C101 65L0603470 31 CHIP 47PF 50V NPO C102 65L0603470 31 CHIP 47PF 50V NPO C103 65L0603104 12 0.1UF +-10% 16V X7R C104 67L 312101 3...
  • Page 31 AOC A20E221 C155 65L0603101 32 100PF +-10% 50V X7R C156 65L0603104 12 0.1UF +-10% 16V X7R C157 65L0603471 32 CHIP 470PF 50V X7R C158 65L0603680 31 CHIP 68PF 50V NPO C159 65L0603680 31 CHIP 68PF 50V NPO C160 65L0603680 31...
  • Page 32 AOC A20E221 C231 67L 312100 3 SMD 10uf +-20% 16V C232 65L0603104 12 0.1UF +-10% 16V X7R C233 65L0603104 12 0.1UF +-10% 16V X7R C234 65L0603104 12 0.1UF +-10% 16V X7R C235 65L0603104 12 0.1UF +-10% 16V X7R C236 65L0603104 12 0.1UF +-10% 16V X7R...
  • Page 33 AOC A20E221 C334 65L0603104 12 0.1UF +-10% 16V X7R C335 65L0603104 12 0.1UF +-10% 16V X7R C336 65L0603104 12 0.1UF +-10% 16V X7R C337 65L0603104 12 0.1UF +-10% 16V X7R C338 65L0603104 12 0.1UF +-10% 16V X7R C339 65L0603104 12 0.1UF +-10% 16V X7R...
  • Page 34 AOC A20E221 C385 65L0603104 12 0.1UF +-10% 16V X7R C386 65L0603104 12 0.1UF +-10% 16V X7R C387 65L0603220 31 CHIP 22PF 50V NPO C388 65L0603220 31 CHIP 22PF 50V NPO C389 65L0603220 31 CHIP 22PF 50V NPO C390 65L0603220 31...
  • Page 35 AOC A20E221 C525 67L 312101 3 SMD 100UF +-20% 16V C526 65L0603104 12 0.1UF +-10% 16V X7R C527 65L0603104 12 0.1UF +-10% 16V X7R C528 65L0603104 12 0.1UF +-10% 16V X7R C529 65L0603104 12 0.1UF +-10% 16V X7R C530 65L0603104 12 0.1UF +-10% 16V X7R...
  • Page 36 AOC A20E221 C636 65L0603104 12 0.1UF +-10% 16V X7R C637 65L0603104 12 0.1UF +-10% 16V X7R C638 67L 312220 3 SMD 22UF +-20% 16V C639 65L0603474 27 CHIP 0.47UF 25V Y5V 060 C640 65L0603474 27 CHIP 0.47UF 25V Y5V 060...
  • Page 37 AOC A20E221 C721 67L 312100 3 SMD 10uf +-20% 16V C722 65L0603104 12 0.1UF +-10% 16V X7R C723 65L0603104 12 0.1UF +-10% 16V X7R C724 65L0603104 12 0.1UF +-10% 16V X7R C725 65L0603104 12 0.1UF +-10% 16V X7R C726 65L0603104 12 0.1UF +-10% 16V X7R...
  • Page 38 AOC A20E221 L151 71L 59B121 K BEAD L152 71L 59B121 K BEAD L153 71L 59B121 K BEAD L154 61L0805000 CHIP O OHM 1/8W L155 61L0805000 CHIP O OHM 1/8W L200 71L 56G151 B BEAD L201 71L 56G151 B BEAD L202...
  • Page 39 AOC A20E221 L709 71L 56U601 BEAD L710 71L 57G601 TI3216JIG601-T17A L712 71L 57G601 TI3216JIG601-T17A LP100 71L 56A121 8T CHIP BEAD ARRAY 120 OHM LP101 71L 56A121 8T CHIP BEAD ARRAY 120 OHM LP102 71L 56A121 8T CHIP BEAD ARRAY 120 OHM...
  • Page 40 AOC A20E221 R200 61L0603000 CHIPR 0OHM +-5% 1/10W R201 61L0603000 CHIPR 0OHM +-5% 1/10W R202 61L0603000 CHIPR 0OHM +-5% 1/10W R203 61L0603000 CHIPR 0OHM +-5% 1/10W R204 61L0603000 CHIPR 0OHM +-5% 1/10W R205 61L0603105 CHIPR 1M OHM+-5% 1/10W R206 61L0603101...
  • Page 41 AOC A20E221 R317 61L0603103 CHIPR 10K OHM +-5% 1/10 R318 61L0603101 CHIPR 100 OHM +-5% 1/10 R319 61L0603101 CHIPR 100 OHM +-5% 1/10 R320 61L0603101 CHIPR 100 OHM +-5% 1/10 R321 61L0603101 CHIPR 100 OHM +-5% 1/10 R322 61L0603472 CHIPR 4.7K OHM +-5% 1/1...
  • Page 42 AOC A20E221 61L0805000 CHIP O OHM 1/8W R400 61L0603101 CHIPR 100 OHM +-5% 1/10 R401 61L0603223 CHIPR 22K OHM +-5% 1/10 R402 61L0603470 CHIPR 47 OHM +-5% 1/10W R403 61L0603471 CHIPR 470 OHM+-5% 1/10W R404 61L0603471 CHIPR 470 OHM+-5% 1/10W...
  • Page 43 AOC A20E221 R618 61L0603473 CHIP 47K OHM 1/10W R619 61L0603316 2F CHIP 31.6K OHM 1/10W 1% R620 61L0603392 CHIP 3.9K OHM 1/10W R621 61L0603472 CHIPR 4.7K OHM +-5% 1/1 R622 61L0603152 CHIPR 1.5KOHM+-5% 1/10W R623 61L0603101 CHIPR 100 OHM +-5% 1/10...
  • Page 44 AOC A20E221 61L0805000 CHIP O OHM 1/8W R945 61L0603000 CHIPR 0OHM +-5% 1/10W RN100 61L 125153 8 CHIP ARRAY 15K OHM 1/16 RN101 61L 125333 8 ARRAY 33K OHM 1/16 8P4R RN105 61L 125000 8 CHIP ARRAY O OHM 1/16...
  • Page 45 AOC A20E221 U501 56V 567 6 AD9883AKST-140 U600 56V 593 6 M62438FP SOP-10 U601 56V 593 4 MSP3425G-QI-B8-V3PMQFP6 U602 56V 535 3 TDA7266D U603 56V 616 3 PT2308S SO-8 U700 56V 585 4 AIC1117-33CY U701 56V 585 4 AIC1117-33CY U702...
  • Page 46 AOC A20E221 F901 84L 7H200 SL 250V/2A LIHEL FUSE IC902 56V 139 3A PC123Y22 L101 73L 253151 LS CHOKE COIL 45UH L201 73L 253138 Y CHOKE L202 73L 174 39 YS LINE FILTER L203 73L 174 39 YS LINE FILTER...
  • Page 47 AOC A20E221 C229 65L0805104 22 0.1UF +-10% 25V X7R 080 C231 65L0805475 A5 CHIP 4.7UF 10V X5R C232 65L0805104 22 0.1UF +-10% 25V X7R 080 C233 65L0805104 22 0.1UF +-10% 25V X7R 080 C234 65L0805104 22 0.1UF +-10% 25V X7R 080...
  • Page 48 AOC A20E221 D904 93L 6432V LL4148-GS08 IC101 56V 379 37 FP5001DR IC201 56V 212 6 LM339D IC203 56V 212 6 LM339D IC204 56V 212 6 LM339D IC205 56V 192 11 LM393MX IC206 56V 212 5 LM324D IC901 56V 379 33...
  • Page 49 AOC A20E221 R205 61L0603100 2F 10K 1% 1/10W R206 61L0603100 2F 10K 1% 1/10W R207 61L0603680 1F CHIP 6.8KOHM 1% 1/10W R208 61L0603160 2F CHIP 16K OHM 1/10W 1% R209 61L0603000 CHIPR 0OHM +-5% 1/10W R210 61L0603100 4F CHIP 1M OHM 1/10W 1%...
  • Page 50 AOC A20E221 R275 61L0603360 2F chip 36k ohm 1/10w 1% R279 61L0603303 CHIP 30K OHM 5% 1/10W R280 61L0603104 CHIPR 100K OHM +-5% 1/1 R281 61L0603513 CHIP 51K OHM 1/10W R282 61L0603204 CHIPR 200KOHM +-5% 1/10 R283 61L0603205 CHIPR 2MOHM +-5% 1/10W...
  • Page 51 AOC A20E221 C230 64L701J2240AT 0.22UF 50V MEF C905 6L 31 4 1.7MM RIVET C906 65L 1K152 1T 1.5NF/1KV Z5F+-10% C907 67L 305220 7T 22UF +-20% 50V CN901 6V 31500 EYELET D221 93L 64 1152T 1N4148 D222 93L 64 1152T 1N4148...
  • Page 52 AOC A20E221 Q901 57L 724 4A STP9NK60ZFP 90V6078 1 HEAT SINK M1V1730 10128 SCREW M3x10 D910 93L 60237 SRF20100C D911 93L 60237 SRF20100C 96L 29 6 SHRINK TUBE UL/CSA CN901 87L 501 19 RF AC SOCKET Q1V1030 12128 SCREW HJPFA60A1...
  • Page 53 AOC A20E221 IRPF760A2 IRPF760A2SMT LCD TV IR BRD SMT 40L 457624 1B CPU LABEL 95L 900 53 HARNESS D600 56V 627 3 TSOP4838 D601 81L 12 5 33L3802 4 WAFER EH-4 715L1108 1B ir led board C600 65L0603101 31 CHIP 100PF 50V NPO...

  • Page 54: Pcb Layout

    AOC A20E221 9. PCB LAYOUT 9-1. Main Board PCB Layout...

  • Page 55: Power Board Pcb Layout

    AOC A20E221 9-2. Power Board PCB Layout...

  • Page 56: Block Diagram

    10. BLOCK DIAGRAM 20” Block Diagram 10-1 Main board GTL540L16 M24C16 PHILIPS SDRAM EEPROM 94LNTSC M AT29LV040A-15JC Tuner Flash ROM 20 inch Panel Key PAD SPV301A Scaler NJM2244 Selector UPD64083 & VPC 3230 S-VIDEO Inverter Component 12V/5V PCA9554 POWER D Selector AD 9883 AC 110-240 V TV audio...

  • Page 57: Schematic Diagram

    10-2 Power board IC101, AC input Rectifier Q101 Bridge Transformer EMI filter CMOS Rectifier and CN902 Filter Start Circuit MOSFET ON/OFF R906, R907 Q901 BL ADJ Voltage Feedback Over Circuit Control IC Voltage Protect ROYER MOSFET ON/OFF Control IC Circuit Q201, Q211 Control LM339M...
  • Page 58 CN101 C137 CN111 L139 0.1uF C170 NC L113 300 OHM 600 OHM Audio_L+ L115 0.1uF 300 OHM L114 CONN Audio_L- C167 NC 10uF/16V L116 300 OHM L118 Audio_R+ CN112 300 OHM CP102 C168 NC L117 300 OHM Audio_R- 22pF 22uF/16V CONN 5,13 PAN_PWR...
  • Page 59 RN101 1/16W C114 AGND 0.22uF R108 C111 C112 C113 1/16W U102 100pF 100pF 100pF C161 10uF/16V L148 120 OHM VIN1 VOUT CVBS_SEL_O 15 L108 600 OHM VIN2 C116 C115 AV_1 VIN3 0.22uF 10uF/16V AV2_R_1 L149 120 OHM AV2_R C162 L109 600 OHM 10uF/16V C118 AV_2...
  • Page 60 TUNER ANT_Cable TU100 L101 L102 L103 C101 600 OHM 600 OHM 600 OHM 47pF AGND R132 1/16W R101 4,5,6,9,11,14,15 TUNER_SIF 1/16W R133 1/16W C102 12V_T 4,5,6,9,11,14,15 47pF C181 C182 100pF 100pF AGND R104 1/16W AGND R102 AGND L104 R103 U101 AZ1117E50A 5V_A C103...
  • Page 61 R201 1/16W VD_VS R202 1/16W VD_HS 6,14 C201 R203 1/16W VD_VREF 3.3pF R204 1/16W VD_Field 1/16W RP201 X200 C202 20.25MHz 3.3pF RP202 VIN2:With Comb Filter VDDI L201 1/16W C[0..7] (3D_Y)/Without Comb 150 OHM Filter (CVBS) C203 SVIDEO_C U200 L200 0.001uF VPC3230D 150 OHM C204...
  • Page 62 3.3VM RN300 22 U300D SPV301A 1/16W U302 MDR0 U300B SPV301A MDR1 C364 CPUP00 MAR0 MDR0 MDR2 SW300 HWRST CPUP01 MAR1 MDR1 MDR3 CPUP02 10uF/16V AC21 MAR2 MDR2 EXTMCLK CPUP03 MAR3 MDR3 EXTDCLK CPUP04 MAR4 MDR4 EOSDCLK RN307 22 CPUP05 MAR5 MDR5 1/16W R321...
  • Page 63 near IC U300A COAST C390 C389 C388 C387 CLK_ADC R363 100K 1/16W 22pF AD_CLK CLKA HS_ADC U300C 22pF 22pF 22pF AD_HS AD_Clamp near IC CLAMP VS_ADC R364 SPV301A AD_VS CVS_COAST 100K 1/16W U300E R367 PCK1 R301 P_CLK 120 OHM AD_SOG P_CLK 1,13 PCHS_SOG...
  • Page 64 3.3VM 3.3VM C301 0.1uF C302 0.1uF U2.AA23 U2.D14 C303 0.1uF C304 0.1uF C305 0.1uF U2.AC9 U2.M4 C306 0.1uF C307 0.1uF C308 0.1uF C309 0.1uF U2.AC10 U2.M23 C310 0.1uF C311 0.1uF C312 0.1uF C313 0.1uF U2.AC18 U2.N4 C314 0.1uF C315 0.1uF U300F C316 0.1uF...
  • Page 65 3.3VA L501 C501 600 OHM 3.3V_AP 0.1uF 3.3V_AP R501 R502 AGND L502 2.7K 1/16W 1/16W 600 OHM VSEL_VS 3.3V_AD C503 C500 L503 AD_Clamp VSEL_HS 0.0082uF 0.082uF 600 OHM R503 R504 3.3VDD C536 C504 1/16W 1/16W 3.3V_AD 3.3VDD C502 33pF 0.1uF R505 AGND AGND...
  • Page 66 R609 R610 1/16W 1/16W L600 CN601 C632 600 OHM Comp_L Comp_L_1 PC_L 10uF/16V L604 C633 600 OHM Comp_R Comp_R_1 PC_R PC_AUDIO 10uF/16V R654 4.7K 1/16W R655 L605 R612 R611 C634 600 OHM 4.7K 1/16W 4.7K 1/16W 4.7K 1/16W C635 560pF 560pF L610 600 OHM...
  • Page 67 TUNER_SIF 5V_A 5V_A 5V_A C601 C604 C602 C603 L601 3.3pF 56pF 3.3pF 56pF 600 OHM C661 C660 X600 L602 0.1uF 18.432MHz 10uF/16V 600 OHM C607 C606 C605 0.0015uF 470pF 100uF/16V R601 1/16W ASEL_O_R R602 R603 C609 1/16W 1/16W C608 3,4,5,6,9,14,15 AVSS ASEL_O_L 0.1uF...
  • Page 68 +5VP L701 AGND 5VP : From Power Supply 5V C725 L702 0.1uF U701 3.3VS 600 OHM 12VP : From Power Supply12V AGND 8V :FOR MSP3455G/M62438/uPD64038 C702 R701 5V : For Tuner/VPC3230D/MSP3455G/ Q701 0.1uF 1/16W TVP5150/PT2308/PT2314/Z86129/uPD640 C701 C703 C704 10uF/16V 10uF/16V 0.1uF 3.3VS : For Video Decoder VPC3230D / Teltext SAA5264...
  • Page 69 3.3VM L802 600 OHM L800 600 OHM 3.3VM L801 L803 600 OHM C801 C802 C803 0.1uF 0.1uF 0.1uF U802 PAN_PWR C800 C805 C804 0.1uF 0.1uF 10uF/16V P_CLK C806 10uF/16V LM3940S-3.3 C807 C809 CLKIN 0.1uF R[0..7] 10uF/16V TXIN0 CN800 TXIN1 C808 TXIN2 0.1uF TXIN3...
  • Page 70 NC L403 82uH R416 1/10W R402 R401 L404 NC 1/16W 1/16W L401 600 OHM 600 OHM Near VCC pin 12 C401 Q401 R404 C411 VD_VOUT PMBS3904 1/16W C415 C404 NC C406 NC R403 C405 47uF/16V 10uF/16V 1/16W 10uF/16V 0.1uF 10uF/16V 0.1uF L402 C402 0.1uF...
  • Page 71 R910 C916 1/16W R906 R907 1/2W 1/16W 0.1uF/16V R911 R909 3D_C 1/16W R912 Q902 Q903 1/16W C917 R908 2SA1037AK 2SA1037AK Q901 4.7K 1/16W R913 AGND 0.1uF/16V 2SA1037AK D900 R914 R916 4.7K 1/16W 1/16W 1N4148W 5.6K 1/16W C918 Q904 Q906 AGND Q905 R915 R918...
  • Page 72 11-2. POWER SCHEMATIC DIAGRAM R919 47_1/2W_M R920 C913 5Vout 47_1/2W_M 102P_500V D910 F902 12Vout MOSPEC20100 5A/24V/1206 L903 T901 73L-253-91L TO INVERTER PQ26/22.5 FB902 BD901 R906 R904 C906 R903 GBU405 1M(1206) 1M(1206) 152P/1KV 100K_2W C916 TO AUDIO D911 C914 C915 470UF/16V C905 MOSPEC20100 2200UF/16V...
  • Page 73 5Vout L101 Q101 FB101 22UH BEAD C101 D101 D102 C106 C107 0.1UF 1000uF/16V SI4431DY -T1 SR24 SR24 1000uF/16V R101 C103 10NF C105 100PF(NPO) LM3485 C104 PGATE IC102 R102 R103 60KF PWR GND C102 20KF 0.1UF Isense MINI SO8...
  • Page 74 CN201 C201 27P/3KV Q201 SI4431 OR AO4411 R201 4.7K Q202 12Vout SST3904 L201 D201 Q203 C202 0.01UF 150UH(60-52) CN203 1000UF/25V 1000UF/25V C205 DT A144WKA C203 C204 C245 C246 Q204 0.1UF 0.1UF PT 201 R207 R208 RLZ8.2B D202 27P/3KV ON/OFF DT C144WKA +12VCC R210 C206...
  • Page 75 +12VCC V_REF R298 V_SENSOR_4 D221 1N4148 V_SENSOR_1 R256 D222 1N4148 300K R299 R254 R255 V_SENSOR_5 R293 300K V_SENSOR_2 R257 D224 1N4148 D225 1N4148 Q217 300K D223 R291 R294 300K V_SENSOR_3 V_SENSOR_6 1N4148 680K D226 1N4148 D227 1N4148 R296 R295 300K 680K RK7002 R2100...

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