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Sanyo CE17LC4-C, Service Manual

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Sanyo CE17LC4-C Service Manual Download Page 10

-10-

N2SL

UK1A

 Power - Block Diagram

Power Operation

Mains power on, set in "standby", 5V 

3V3 STB are available via IC6605 and 

When set powers on a HIGH on control 

"power 1" switches on regulators to 

p

other voltages required by set.

Power failure at any of these suppli

e

to the LOC by either "P_F

AIL

 1" or "P

depending on which supply has failed.

will force the set back into standby

.

Once all the voltages are present th

e

will be enabled by "power 3" via FET

 

Q1600.

In digital sets the failure of the di

power from IC6603 will be signaled b

y

DM" to the LOC

power 3

 from LOC

power input

power 1

from LOC

power fail

 to LOC

Q1600

p

anel 

p

ower sw

IC6600

IC6604

14V audio

IC6608

8V

3V3 SW

3V3 STB

1V8 SW

digi power f

a

 to LOC

IC6603

IC6605

IC6606

IC6607

6V di

g

ital modul

e

5V CPU

5V SW

IC6642

power fail

 to LOC

IC6602

Summary of Contents for CE17LC4-C

Page 1: ...s where the television transmission system and power source differ from the design specifications Refer to the specifications for the design specifications CE17LC4 C Contents Safety precautions Specifications 2 Option settings 3 4 IC descriptions 5 6 Service Data 7 8 Block Diagram 9 IC Block Diagrams 10 14 CPU Functions 15 19 Cabinet Parts List 20 Cabinet Disassembly 21 Pin description of semicond...

Page 2: ...ion and safety related notes provided on the cabinet back inside the cabinet on the chassis or the picture tube 3 When replacing a chassis in the cabinet always be certain that all the protective devices are installed properly such as control knobs adjustment covers or shields barriers isolation resistor capacitor networks etc Before returning any television to the customer the service technician ...

Page 3: ... MODE Sort mode default Sorting PLUG PLAY ON or OFF Plug Play mode default ON WELCOME TEXT ON or OFF Welcome Text default ON SURROUND ON or OFF Surround sound default ON BASS FEATURE Bass Feature default BBE Bass Exp AVL ON or OFF AVL mode default OFF AV3 ON or OFF AV3 mode default ON COLOUR SYSTEM ON or OFF Colour system default OFF AFC ON or OFF AFC mode default ON PROGRAM NAME ON or OFF Program...

Page 4: ...Bass 0 0 0 0 0 Treble 0 0 0 0 0 Sound Preset Normal Normal Normal Normal Normal BBE Off Off Off Off Off Surround Off Off Off Off Off OPTION OSD H Pos 6 6 6 6 6 Country EU UK EU EU EU Sort Mode Sorting Sorting Sorting Sorting Sorting Plug Play On On On On On Welcome Txt On On On On On Surround On On On On On Bass Feature BBE Bass Exp BBE Bass Exp BBE Bass Exp BBE Bass Exp BBE Bass Exp AVL Off Off O...

Page 5: ... analogue and digital processing respectively and together from the UOC III which is used in many other sets These are complemented by the Lithium IC which carries out digital processing and scaling functions The IC requires 5V 3 3V and 1 8V for correct operation although only 5V and 3 3V are required in standby mode Full descriptions of all port functions are given elsewhere in this manual IC1221...

Page 6: ...by the POWER 1 control line IC6642 This is also a ROHM linear regulator which takes the 5V SW from IC6606 as an input and produces 3V3 SW used by various parts of the circuit IC701 20 LCD only This is a THine THC63LVDF84B LCD panel interface which converts 4 LVDS data streams from the LOC into 28bits of RGB data and a clock to send to the panel Currently this IC is only required on 20 LCD sets whe...

Page 7: ...ge data value To select the adjustment item use the P or P button To change the service data use the Volume LEFT or Volume RIGHT button The data which is set in the service mode is stored into the memory IC automatically EXAMPLE 000 GTV 4 0 E4 17 ITEM NO SECTION VALUE ITEM Exit from the Service Mode Press the MENU button or turn off the TV set by using the Mains switch ...

Page 8: ... 206 OSD H POS 6 27 BR S 245 87 Tint NTSC 31 147 SACB 17 207 CL 0 28 CN RF PN 0 88 OSO 0 148 SAGR 31 208 PGR 45 29 CN AV 0 89 FSL 0 149 SAGG 31 209 PGG 45 30 CN RGB 0 90 HP2 0 150 SAGB 31 210 PGB 45 31 CN S 0 91 SoftClipLevel 0 151 reserve 32 211 BackLight 63 32 SH RF PN 0 92 FO 0 152 reserve 63 212 BL PWMMin 0 33 SH AV 0 93 Picture booster 1 153 reserve 41 213 BL PWMMax 255 34 SH RGB 0 94 AMS 1 1...

Page 9: ...205 BA7603 RGB switch Cosmic Picasso Lithium IC701 THC63LVDF84B LVDS to TTL IC2001 TDA9178 IC4001 SST39VF020 2Mb flash IC1101 sync switch monitor only NJM2233BM A101 tuner UHF VHF IC801 64K NVM IC1251 BA7603F YUV switch digital on SAW sound SAW video SCART 1 SCART 2 Power Input power regulators IC6600 IC6609 IC 6642 control Digital in IC860 RSF21162SP sub cpu digital on XGA WXGA LCD panel VGA 20 L...

Page 10: ...P depending on which supply has failed will force the set back into standby Once all the voltages are present the will be enabled by power 3 via FET Q1600 In digital sets the failure of the di power from IC6603 will be signaled by DM to the LOC power 3 from LOC power input power 1 from LOC power fail to LOC Q1600 panel power sw IC6600 IC6604 14V audio IC6608 8V 3V3 SW 3V3 STB 1V8 SW digi power fa ...

Page 11: ...EFO HP OUT REF Y DELAY ADJ BLUE STRETCH CVBS2 Y2 IFVO SVO YSYNC YUV DVBO IFVO QSSO AMOUT SOUND PLL DEEMPHASIS BL R P R G Y B P B Vo Uo Yo Yi Ui Vi SWO1 BL G Y CVBSx Yx B P B R P R Cx CVBSI PIP FMRO DIGITAL H V VERTICAL COUNTDOWN BASE BAND DL MAIN µC TELETEXT DECODER UV DELAY SKIN TONE U V TINT BL R G B CR 256K FLASH STEREO DEC AUDIO SELECT A D D A 4 AUDIO IN 1 AUDIO OUT 4k SRAM SLAVED µC FLASH INT...

Page 12: ...RMAL PROTECTION CIRCUIT OUTPUT AMPLIFIER OUTPUT AMPLIFIER INPUT AMPLIFIER INPUT AMPLIFIER REFERENCE AMPLIFIER 3 2 12 6 5 7 4 PRE GND IN 1 IN 2 1 RIPPLE FILTER STAND BY Vcc 8 10 P P RIPPLE FILTER OUT 2 POWER GND OUT 1 POP NOISE PREVENTION BLOCK IC1205 BA7603F ...

Page 13: ...EAD PLCC 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 A7 A6 A5 A4 A3 A2 A1 A0 DQ0 A14 A13 A8 A9 A11 OE A10 CE DQ7 A14 A13 A8 A9 A11 OE A10 CE DQ7 A14 A13 A8 A9 A11 OE A10 CE DQ7 A14 A13 A8 A9 A11 OE A10 CE DQ7 4 3 2 1 32 31 30 A12 A15 NC NC V DD WE NC A12 A15 A16 NC V DD WE NC A12 A15 A16 NC V DD WE A17 A12 A15...

Page 14: ... 14 N2SL IC BLOCK DIAGRAMS IC6600 IC6605 PQ1CY1032ZP ...

Page 15: ...or YUV interface 2nd G input Y input or CVBS Yx input B15 VIN V input for YUV interface 2nd R input PR input or CX input B16 FBISO CSY Flyback input sandcastle output or composite H V timing output B17 SVM Test signal Do not connect B18 CVBSO PIP CVBS PIP output B19 CVBS2 Y2 CVBS2 Y2 input B20 AUDIOIN2L SSIF 2 Audio 2 Input Left signal sound IF input B21 CVBS4 Y4 CVBS4 Y4 input B22 N C N A Not Con...

Page 16: ...modulator E25 AUDOUTSR Audio output for SCART CINCH right signal E26 YSYNC Y input for Sync separator F1 VSSA_PPLL panel PLL analog supply ground F2 SDA GPIO13 I2C data HS I2C 3 4 MHz General purpose I O F3 VSSA_XTAL Crystal oscillator supply ground scaler F4 VSS_CORE6 Digital Ground Common digital core 1V8 ground F23 AUDOUTSL Audio output for SCART CINCH left signal F24 AUDIOIN5R Audio 5 input ri...

Page 17: ... PB for ODD EVEN pixels N14 RSP6 LVDS differential driver LVDS Panel Bus PB for ODD EVEN pixels N15 VREFAD_POS Positive reference voltage 3 3 V N16 VREFAD_NEG Negative reference voltage 0 V N23 VREF_POS_LSR HPR Positive reference voltage SDAC 3 3 V N24 VREF_POS_HPR Positive reference voltage SDAC 3 3 V N25 VREF_NEG_HPL HPR Negative reference voltage SDAC 0 V N26 XTALIN Crystal oscillator input TV ...

Page 18: ...capability for direct drive of LEDs AA26 N C N A Not Connected AB1 N C N A Not Connected AB2 VDD_CORE1 Digital Supply Digital 1V8 supply used for core logic AB3 N C N A Not Connected AB4 D4 5 V TTL Memory data bus AB23 N C N A Not Connected AB24 N C N A Not Connected AB25 N C N A Not Connected AB26 N C N A Not Connected AC1 N C N A Not Connected AC2 IAPMUTE 5 V TTL Control signal for in circuit em...

Page 19: ...sed for I Os AE11 N C N A Not Connected AE12 VSS_CORE2 Digital Ground Common digital core 1V8 ground AE13 VDD_IO11 Digital Supply Digital 3V3 supply used for I Os AE14 T_ENABLE LVTTL pull down Test control enable AE15 VDD_CORE31 Digital Supply Digital 1V8 supply used for core logic AE16 N C N A Not Connected AE17 VDD_CORE2 Digital Supply Digital 1V8 supply used for core logic AE18 P0 4 I2SWS Port ...

Page 20: ...17 2477 SHAFT STAND N2RA 20 610 317 2484 SHAFT SLIDE N2RA 21 610 317 2545 SLIDE TOP N2RA 22 610 317 2552 SLIDE BASE N2RA 23 610 317 2569 SLIDE SHAFT N2RA 24 610 321 2005 CHASSIS BASE N2RJ 25 645 079 9488 PAD BLACK RICHCO RBS 24 26 610 321 1718 MOUNTING BRKT N2RJ 27 610 317 2521 SHIELD INVERTER BTM N2SA Note Parts order must contain Service Ref No Part No and descriptions 32 26 JXPLA 1 6 13 12 28 6...

Page 21: ...N2SL 21 CABINET DISASSEMBLY CABINET BACK DISASSEMBLY 1 Remove 11 screws A for 17 2 Pull out the cabinet back A A A A A A A A A A A ...

Page 22: ...K A K A C B E C B E C B E 1 2 3 4 5 6 Index 1 2 N Index Index 1 2 N 2 1 3 IN OUT GND 2 1 4 2 1 3 Index 1 N Index 1 N Index 1 N Index 1 N Index 1 N Index 1 N 2 1 3 1 2 3 2 1 3 RESET GND Vdd 5 3 D G S D G S K Cathode A Anode C Collector B Base E Emitter D Drain G Gate S Source Diode Transistor FET IC E1 C2 E2 C1 B2 B1 Index Diode Transistor FET IC FET ...

Page 23: ... 25 G 2 D 0 5 J 5 S 0 3 K 10 A 0 2 L 15 M 20 Coil Reading Capacitor Reading Example 1 2 D J 10K B Example 6 W K 8 2 Example 1 2 C K 1M Resistor Reading Characteristic Z Carbon fuse B Non burnable Resistance value Tolerance see below table Material see below table Rated wattage W K indicates in KΩ M indicate in MΩ Note Resistor which is indicated with resistance value only are 1 6W carbon resistor ...

Page 24: ...GRM188R71H103KA01D PT115 C1020 403 157 3611 GRM1885C1H101JZ01D PT115 C1021 403 157 3611 GRM1885C1H101JZ01D PT115 C1022 403 157 3611 GRM1885C1H101JZ01D PT115 C1023 403 157 3611 GRM1885C1H101JZ01D PT115 C1024 403 157 3611 GRM1885C1H101JZ01D PT115 C1025 403 157 3611 GRM1885C1H101JZ01D PT115 C103 403 398 1513 ELECT 1000U M 6 3V C1038 403 323 8815 GRM21BF51C225ZA01K PT115 C1039 403 323 8815 GRM21BF51C2...

Page 25: ... 403 269 5916 GRM219R71C224KC01D PT115 C241 403 323 8815 GRM21BF51C225ZA01K PT115 C242 403 269 5916 GRM219R71C224KC01D PT115 C243 403 398 1513 ELECT 1000U M 6 3V C244 403 164 0214 GRM188F51E104ZA01D PT115 C245 403 215 2211 GRM188R71H103KA01D PT115 C246 403 269 5916 GRM219R71C224KC01D PT115 C248 403 368 7316 CERAMIC 10U M 6 3V C249 403 164 0214 GRM188F51E104ZA01D PT115 C250 403 269 5916 GRM219R71C2...

Page 26: ...19 407 206 5618 ZENER D UDZS TE 1710B D102 407 149 0817 DIODE 1SS355 TE 17 D1020 407 206 5618 ZENER D UDZS TE 1710B D1021 407 206 5618 ZENER D UDZS TE 1710B D1022 407 206 5618 ZENER D UDZS TE 1710B D103 407 149 0817 DIODE 1SS355 TE 17 D104 407 228 4910 ZENER DIODE UDZS33B TE 17 D1201 407 149 0817 DIODE 1SS355 TE 17 D1202 407 149 0817 DIODE 1SS355 TE 17 D121 407 166 1118 DIODE 1SS356 TW11 D1231 407...

Page 27: ...5 MT GLAZE 2 2K JA 1 16W R1017 401 105 2716 MT GLAZE 220 JA 1 16W R102 401 105 0415 MT GLAZE 100 JA 1 16W R1021 401 105 1412 MT GLAZE 150 JA 1 16W R1022 401 105 1412 MT GLAZE 150 JA 1 16W R1023 401 037 2815 MT GLAZE 75 JA 1 8W R1024 401 105 0514 MT GLAZE 1K JA 1 16W R1026 401 105 0514 MT GLAZE 1K JA 1 16W R1027 401 260 8417 MT GLAZE 22 JA 1 3W R1028 401 105 2815 MT GLAZE 2 2K JA 1 16W R1029 401 10...

Page 28: ...A 1 16W R231 401 105 5311 MT GLAZE 4 7K JA 1 16W R232 401 105 0613 MT GLAZE 10K JA 1 16W R233 401 148 6016 MT GLAZE 2 2 JA 1 16W R234 401 148 6016 MT GLAZE 2 2 JA 1 16W R236 401 148 6016 MT GLAZE 2 2 JA 1 16W R237 401 148 6016 MT GLAZE 2 2 JA 1 16W R238 401 105 0613 MT GLAZE 10K JA 1 16W R239 401 105 5311 MT GLAZE 4 7K JA 1 16W R243 401 036 9617 MT GLAZE 56 JA 1 8W R244 401 105 0415 MT GLAZE 100 J...

Page 29: ...00 JA 1 16W R867 401 105 2815 MT GLAZE 2 2K JA 1 16W R892 401 105 7919 MT GLAZE 0 000 ZA 1 16W R893 401 105 7919 MT GLAZE 0 000 ZA 1 16W R894 401 105 7919 MT GLAZE 0 000 ZA 1 16W MISCELLANEOUS A101 645 067 0466 TUNER U V A101 A 610 323 0238 GASKET A N3AL JS1001 401 105 7919 MT GLAZE 0 000 ZA 1 16W JS1002 401 105 7919 MT GLAZE 0 000 ZA 1 16W JS1003 401 105 7919 MT GLAZE 0 000 ZA 1 16W JS101 401 105...

Page 30: ... MT GLAZE 560 JA 1 16W R2954 401 105 4512 MT GLAZE 390 JA 1 16W R2955 401 105 3218 MT GLAZE 270 JA 1 16W R2956 401 105 2716 MT GLAZE 220 JA 1 16W R2957 401 105 0316 MT GLAZE 10 JA 1 16W MISCELLANEOUS K29C 645 074 0190 PLUG SIDE ZR SM3A 3P SW2951 645 026 2791 SWITCH PUSH 1P 1TX1 SW2952 645 026 2791 SWITCH PUSH 1P 1TX1 SW2953 645 026 2791 SWITCH PUSH 1P 1TX1 SW2954 645 026 2791 SWITCH PUSH 1P 1TX1 S...

Page 31: ... 31 N2SL ...

Page 32: ... 32 N2SL Sanyo Industries UK Ltd Printed in UK ...

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