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CAUTION:

 Before servicing the chassis, read the “IMPORTANT SERVICE SAFETY INFORMATION” section on   

page 2 of this manual.

 

 

SPECIFICATIONS

 

 

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GENERAL  SPECIFICATION 

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7” ACTIVE-MATRIX TFT TYPE. 

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DVD, VCD, CD, CD-R, CD-RW, MP3, DIVX, HDCD 
SUPPORTS. 

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USB FUNCTION 

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16:9 / 4:3 PICTURE SELECT. 

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HIGH BRIGHTENNESS. 

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HIGH CONTRAST. 

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WITH LOGO OPENING SCREEN. 

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SLOW MOTION ½, 1/4, 1/8, 1/16 

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F.B / F.F x2, x4, x8, x16 SPEED. 

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ANGLE MENU. 

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20 TRACK PROGRAM FOR CD PLAYING.  

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ZOOM x 2, 3, 4. 

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REMOTE CONTROL. 

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S. VIDEO OUTPUT (for Ext. TV Monitor) 

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HEADPHONE OUT x 1. 

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AUDIO OUTPUT 0.5W x 2/8 ohm. 

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LONG BATTERY TIME OF OVER 2 HRS. 

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DIMENSION :   
212(L) x 170(W) x 430(H) mm(excluding battery) 

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AC POWER SOURCE: 
ADAPTER: 230V 

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DC POWER SOURCE: BATTERY PACK: 7.2V 

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FEATURES FOR DVB-T TUNER (FREE ON AIR)   

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FREQUENCY RANGE :   

VHF CH5 – CH12 (174MHZ – 230MHZ) 
UHF CH21 - CH69 (470MHZ – 862MHZ) 

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1,000 PROGRAMMABLE FAVORITE CHANNELS 

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9 PICTURES FOR PROGRAM AUTO-SCAN 

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EPG FUNCTION SUPPORT (TELE-TEXT OPTION) 

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PROGRAM LIST WITH PROGRAM PREVIEW AFTER 
TUNER POWER ON 

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OSD TRANSPARENT ADJUSTMENT. 

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FULL FUNCTION REMOTE CONTROL 

 
 
 

 

 

 

 

 

 

 

 

 
 

CONTENTS

 

 

IMPORTANT SERVICE SAFETY INFORMATION................2 

DISASSEMBLY FOR REPAIR .................................................3 

WIRING DIAGRAM……………………………………....……4 

BLOCK DIAGRAM....................................................................5 

CIRCUIT DESCRIPTION .............................……………...6~14 

PARTS LIST ..........................................…………............ 15~28 

EXPLODED VIEW (CABINET)............................................. 29 

EXPLODED VIEW (DVB-T).................................................. 30 

SCHEMATIC DIAGRAMS.................................................31~39 

PRINTED CIRCUIT BOARDS.......................................... 40~57 

 

Note:

 Follows a policy of continuous advancements in development. For this reason specifications may be changed without notice.

 

TFT PORTABLE DVB-T/DVD PLAYER

 

SUNSTECH PLF-77TD 

 
SERVICE MANUAL

 

 2006-  PRINTED IN 

 

           

R598M B 

 

Summary of Contents for PLF-77TD

Page 1: ...URCE ADAPTER 230V l DC POWER SOURCE BATTERY PACK 7 2V l FEATURES FOR DVB T TUNER FREE ON AIR l FREQUENCY RANGE VHF CH5 CH12 174MHZ 230MHZ UHF CH21 CH69 470MHZ 862MHZ l 1 000 PROGRAMMABLE FAVORITE CHANNELS l 9 PICTURES FOR PROGRAM AUTO SCAN l EPG FUNCTION SUPPORT TELE TEXT OPTION l PROGRAM LIST WITH PROGRAM PREVIEW AFTER TUNER POWER ON l OSD TRANSPARENT ADJUSTMENT l FULL FUNCTION REMOTE CONTROL CON...

Page 2: ...andle brackets etc When the exposed metallic part has a return path to the chassis the reading should be between 1 and 5 2 Megohm When there is no return path to the chassis the reading must be infinite If it is not within the limits specified there is the possibility of a shock hazard and the unit must be repaired and rechecked before it is returned to the customer 2 PRODUCT SAFETY NOTICE Some el...

Page 3: ...the object 3 There are no adjustable parts in the pickup assembly If it is defective replace the whole pickup assembly CAUTION USE OF CONTROLS ADJUSTMENTS OR PERFORMANCE OF PROCEDURES HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE DANGER IF INTERLOCK FAILS OR IS DEFEATED THE LASER LIGHT IS ABLE TO FUNCTION THE LASER IS INVISIBLE AVOID DIRECT EXPOSURE TO BEAM ...

Page 4: ...4 DISASSEMBLY FOR REPAIR TO DISASSEMBLY THE BOTTOM METAL CABINET 1 Remove the 14 screws A from bottom metal cabinet TO REMOVE THE INNER PANEL 2 Remove the 6 screws B from the inner panel and out panel ...

Page 5: ...5 WIRING DIAGRAM ...

Page 6: ...BLOCK DIAGRAM ...

Page 7: ... OUTPUT V A INPUT A INPUT V A OUTPUT CIRCUIT DESCRIPTION 100m Power Distribution Switches RT9701CB U7 NiMH BATTERY CHARGER CONTROLLER LS2964S U6 DUAL OPERATIONAL AMPLIFIER RC4558D U7 16 1 2 3 4 8 7 6 5 Timer LED OSC GND VDD PWM Vdet Idet ...

Page 8: ...7 CIRCUIT DESCRIPTION PROGRESSIVE SCAN DVD PLAYER COMBO CHIP MT1389DE B L U5 VIDEO PROCESSOR FOR MIDDLE SIZE LCD PANEL VX1828 U1 ...

Page 9: ...8 CIRCUIT DESCRIPTION 2 WIRE SERIAL EEPROM AT24C02BN 10SU 1 8 U6 U12 DUAL LOW VOLTAGE POWER AMPLIFIER NJM2073M U3 ...

Page 10: ...9 CIRCUIT DESCRIPTION 24 BIT 96 KHZ STEREO D A CONVERTER FOR AUDIO CS4340 U15 DUAL COMPARATORS LM393DR U10 SINGLE SUPPLY DUAL HIGH CURRENT OPERATIONAL AMPLIFIER NJM3414AM TE1 U3 ...

Page 11: ...10 CIRCUIT DESCRIPTION 4 CHANNEL BTL MOTOR DRIVER FOR CD ROM AT5654H U4 300 500MA LOW DROPOUT LINEAR VOLTAGE REGULATOR RP1101 19CXL U1 RP1102 33CGL Q2 ...

Page 12: ...11 CIRCUIT DESCRIPTION 8M 16M BIT CMOS SINGLE VOLTAGE 3V ONLY HIGH SPEED FLASH AT49BV163A 70TU U11 S29AL008D70TFI020 U4 DIGITAL TV STB BACKEND PROCESSOR CT212T U3 AT49B ...

Page 13: ...41632H UC75 TSOP 54 U1 U9 INFRARED REMOTE CONTROL TRANSMITTER SC6122 001 IC1 1 KI O 19 6 6 KI7 DD SS SEL REM OSCI OSCO V V 14 11 12 13 8 10 9 7 17 16 15 18 7 KI O LMP 4 KI O KI O KI O 6 5 KI O3 2 4 KI KI KI KI KI 3 3 5 4 5 2 1 2 22 20 21 24 23 0 CCS KI O KI O 0 1 KI KI ...

Page 14: ...13 CIRCUIT DESCRIPTION 2A STEP DOWN DC TO DC CONVERTER MP9141ES LF Z U8 9 10 pin 24 Bit 192 kHz Stereo D A Converter CS4345 U5 ...

Page 15: ...14 CIRCUIT DESCRIPTION 25V STEP UP CONVERTER IC MP1522ET U1 DIGITAL TV STB BACKEND PROCESSOR B1117N ADJ U10 ...

Page 16: ...IL GY 8403C WH SK 1 FOR HENDSET 144 11405 402 SCREW 1 4 X 5 KB 7 Ref No Parts No Description QTY D 2 5MM ROHS R519MB SIL KNOB R519MB SILVER KNOB VERSION ASSY ROHS 1 127 04625 1974 R519MB POWER KNOB SP SIL SS9 1 ABS ROHS 1 127 04627 1974 R519MB PANEL OPEN KNOB SP SIL SS9 1 ABS ROHS 1 128 05180 0974 R519MB BUTTON A LEFT RIGHT ROHS SP SIL SS9 1 1 128 05181 0974 R519MB BUTTON B UP DOWN ROHS SP SIL SS9...

Page 17: ...LOADER 145 69912 100 PVC WASHER W HOLE L 9MM W 6 5MM T 1MM DIA 3 3MM ROHS 2 160 00313 001 DVD MECHANISM SONY KHM313AHC ROHS SLIM 1 Ref No Parts No Description QTY TYPE BALL CLAW 161 03102 001 KHM 310 INSULATOR IIR HARDNESS 40 DEG SILICON RUBBER ROHS 4 M519M CASING 02 M519M CASING ASSY W 049 00706 007 ROHS 1 029 02808 202 001 28MM SPEAKER 8 OHM NOR 0 5W MAX 1W BLK CLOTH ON BACK SMDC NO DS28 39 ROHS...

Page 18: ... 6X2 2 MM GREY ROHS 2 138 04624 010 M462 DISC DOOR HOOK BLACK POM ROHS 1 FOR TFT FRONT CAB 144 11405 201 SCREW 1 4X5 TB SILVER ROHS 2 144 11706 402 SCREW 1 7X6 KB ROHS 12 Ref No Parts No Description QTY FOR BATTERY CAB 144 11706 412 SCREW 1 7X6 KB BLACK ROHS 3 FOR TFT SPRING USE 144 12004 511 SCREW 2X4 CWB BLACK HARDEN D 5MM T 0 5MM E6D8011 0 ROHS 2 FOR DOOR BRACKET 144 12006 300 SCREW 2 6 PWT A R...

Page 19: ...GY MN7 0 ABS EMI SP SIL SS9 1 W D GY 433C ROHS 1 113 05180 004 R598 DVD DOOR INJ GY ABS PA 777D 1 Ref No Parts No Description QTY ROHS SP SIL SS9 1 W D GY 433C DIVX DVBT SK 117 04620 0931 M462 SENSOR LENS SEMI TRANS WHITE PMMA ROHS 1 117 04621 0931 M462 LED LENS SEMI TRANS WHITE PMMA ROHS 1 130 04624 1887 M518MB DISPLAY SWITCH ADAPTOR L GREY MNC7 0 POM ROHS 1 FOR FRONT CAB X 2 FOR CD DOOR BRACKET ...

Page 20: ... CHOKE COIL 10 UH DIA 6 RADIAL TYPE CW65 100K ZHONGSHAN ROHS 1 L18 015 00150 106 CHOKE COIL 15 UH DIA 6 1 Ref No Parts No Description QTY RADIAL TYPE CW65 150K ZHONGSHAN ROHS L30 015 00331 106 CHOCK COIL 330 UH CW45 331K RADIAL TYPE ROHS 1 L1 4 15 17 015 00470 106 CHOKE COIL 47 UH DIA 6 RADIAL TYPE CW65 470K ZHONGSHAN ROHS 4 D25 019 12000 304 LED 3MM RED 304H EVER CHANNEL ROHS 1 D22 23 019 15000 3...

Page 21: ...CONTROL P C B T 1MM 138 35 MM ROHS 1 CONTOR PCB CN701 025 10008 090 8P F WIRE 28UL 2561 120MM 1P 1 27MM JS 1146 08 KARSON 1 Ref No Parts No Description QTY 920 336 00 ROHS 048 10006 002 6MM CONNECTION PLATE 200G W LEAD ROHS 14 MI 05930 100 02 M593 MI DVB T TUNER BOARD CHASSIS ASSY ROHS 1 EC10 009 30105 450 ELECT CAP 1 UF 20 50V SS 4X7 ROHS 1 EC11 12 18 19 29 30 009 30106 425 ELECT CAP 10 UF 20 25V...

Page 22: ...02 80 78 0 1 MM ROHS 1 SIDE W TAPE COATING PAPER 1 MI 10550 710 01 R519MB MI TFT DRIVER BD CHASSIS ASSYROHS 1 CE15 16 17 18 009 30106 425 ELECT CAP 10 UF 20 25V SS 4X7 ROHS 4 Ref No Parts No Description QTY FOR TFT DRIVER BD J5 025 10003 180 3P J WIRE 28UL 60MM 2P 1 25MM JST RED WHITE BLACK ROHS 1 X1 052 20000 001 CRYSTAL 20MHZ AT 49TYPE EMC 50PPM ROHS 1 SMT R598MB 001 R598MB SMT MAIN DRIVER TUNER...

Page 23: ...ODE UDZS13B TRB 1 Ref No Parts No Description QTY ROHM 13V 0 2W SMT ROHS D27 004 80154 400 SW DIODE 1SR154 400 TRB ROHM SMT ROHS 1 D4 10 11 004 80160 401 SCHOTTKY DIODE RB160L 60 ROHM SMT ROHS 3 D19 004 80202 400 SW DIODE DAN202K ROHM SMT SMD3 SC 59 DAN202K TLB ROHS 1 D1 2 5 6 8 12 13 004 80217 400 DIODE DAN217 ROHM SMT ROHS 7 D3 9 14 16 18 20 21 004 80355 400 SW DIODE 1SS355 TRB ROHM SMT ROHS 7 D...

Page 24: ...8 ROHS 8 R12 39 41 111 113 138 161 005 52479 301 CHIP RESISTOR 4 7 OHM 5 1608 ROHS 7 R131 132 005 52512 301 CHIP RESISTOR 5 1 K 5 1608 2 Ref No Parts No Description QTY ROHS R25 005 52561 301 CHIP RESISTOR 560 OHM 5 1608 ROHS 1 R55 123 147 005 52562 301 CHIP RESISTOR 5 6K 5 1608 ROHS 3 R71 86 97 005 52563 301 CHIP RESISTOR 56 K 5 1608 MCR03EZHJ563 ROHS 3 R172 005 52564 301 CHIP RESISTOR 560 K 5 16...

Page 25: ...ROHS NPO 3 C84 006 72330 250 CERAMIC CHIP CAP 33 PF 5 50V 1608 ROHS NPO 1 CB37 38 006 72331 250 CERAMIC CHIP CAP 330 PF 5 50V 1608 ROHS NPO 2 C141 144 006 72332 350 CERAMIC CHIP CAP 0 0033 UF 2 Ref No Parts No Description QTY 10 50V 1608 ROHS X7R C14 80 83 006 72333 325 CERAMIC CHIP CAP 0 033 UF 10 25V 1608 ROHS X7R MCH182C333KK 3 C1 006 72391 250 CERAMIC CHIP CAP 390 PF 5 50V 1608 ROHS NPO 1 CB30...

Page 26: ... ROHS 3 R11 12 005 52622 301 CHIP RESISTOR 6 2K 5 1608 2 Ref No Parts No Description QTY ROHS R20 25 30 005 52683 301 CHIP RESISTOR 68 K 5 1608 MCR03EZHJ683 ROHS 3 R6 7 17 22 27 005 52750 301 CHIP RESISTOR 75 OHM 5 1608 ROHS 5 C1 2 3 6 7 9 10 13 18 19 20 21 22 23 25 26 28 29 30 31 32 33 34 35 36 37 38 39 40 42 44 46 47 48 49 50 51 52 006 72104 525 CERAMIC CHIP CAP 0 1 UF 80 20 25V 1608 ROHS Y5V 38...

Page 27: ... 777 00 SMT ROHS 1 L3 027 01121 002 CHIP FERRITE BEAD 1 Ref No Parts No Description QTY BK2125HM121 TAI ROHS C2 047 11106 425 TANTALUM CHIP CAP 10 UF 20 25V 6X3 2 CASE C ROHS 1 C3 047 11475 425 E TANTALUM CHIP CAP 4 7 UF 20 25V ELNA SK6 1E475M RB 3 4X2 8X1 9 CASE B ROHS 1 C4 047 11476 416 E TANTALUM CHIP CAP 47 UF 20 16V ELNA SK6 1C476M RC 6 0X3 2X2 5 CASE C ROHS 1 SMT 05930 100 02 R598 SMT DVB T ...

Page 28: ...1608 ROHS 2 R71 005 52221 301 CHIP RESISTOR 220 OHM 5 1608 MCR03EZHJ221 ROHS 1 Ref No Parts No Description QTY R61 70 80 005 52222 301 CHIP RESISTOR 2 2 K 5 1608 ROHS 3 R53 005 52223 301 CHIP RESISTOR 22 K 5 1608 ROHS 1 R28 005 52229 301 CHIP RESISTOR 2 2 OHM 5 1608 ROHS 1 R29 47 005 52243 301 CHIP RESISTOR 24 K 5 1608 MCR03EZHJ243 ROHS 2 R65 005 52303 301 CHIP RESISTOR 30 K 5 1608 ROHS 1 R5 8 10 ...

Page 29: ...MIC CHIP CAP 47 PF 5 50V 1608 ROHS NPO 2 C66 006 72473 350 CERAMIC CHIP CAP 0 047 UF 10 50V 1608 ROHS X7R 1 C34 62 006 72821 250 CERAMIC CHIP CAP 820 PF 5 50V 1608 ROHS NPO 2 L5 015 00010 900 CHIP INDUCTOR 1UH SMT EBL2012 1R0K M ROHS 1 L1 2 3 4 FB79 91 100 101 134 139 015 00220 916 CHIP INDUCTOR 22UH SMT EBL2012 220K M ROHS 10 L6 7 015 00221 901 CHIP INDUCTOR 220 UH SMT DA75NP COILS 7 0 7 8 5 3 MM...

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