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Sanyo CE17LC4-C Service Manual
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Sanyo CE17LC4-C Service Manual

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Colour Television
Service Manual
Model CE17LC4-C
Service Ref. No. CE17LC4-C-00
111374210
PRODUCT CODE:
ORIGINAL VERSION:
Please use Schematic Diagram SKP20551
inserted with this Service Manual.
Give complete "SERVICE REF. NO." for parts
order or servicing, it is shown on the rating sheet
on the cabinet back of the TV set.
Note
This TV receiver will not work properly in foreign
countries where the television transmission
system and power source differ from the design
specifications. Refer to the specifications for the
design specifications
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 semiconductors ................................................................................................................22
Part Description and reading of schematic diagram ....................................................................................23
Electric Parts List ....................................................................................................................................24~30
Part No. SKSM0820
UK1-A
Chassis No.
N2SL
SEPTEMBER 2005
17LC4-
CE
C

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Summary of Contents for Sanyo CE17LC4-C

  • Page 1: Table Of Contents

    Colour Television 17LC4- Service Manual Model CE17LC4-C Service Ref. No. CE17LC4-C-00 111374210 PRODUCT CODE: UK1-A ORIGINAL VERSION: Chassis No. Please use Schematic Diagram SKP20551 inserted with this Service Manual. Give complete "SERVICE REF. NO." for parts order or servicing, it is shown on the rating sheet on the cabinet back of the TV set.
  • Page 2 Weight 6.5 Kg Important recycling information. Your SANYO product is designed and manufactured with high quality materials and components which can be recycled and reused. This symbol means that electrical and electronic equipment, at their end-of-life, should be disposed of separately from your household waste.

  • Page 3: Option Settings

    Program Name Text no signal Blue Back Digital Mode Scart OPTION MODE FOR CE17LC4-C-00 To set the Option Mode + Highlight the desired option item by using the P or P button . + To switch the option mode, use the Volume - (LEFT) or Volume + (RIGHT) button.
  • Page 4 OPTION SETTINGS N2SL...

  • Page 5: Ic Descriptions

    IC Descriptions for UK1A IC001 This is an LA42052 which is the audio amplifier for the set. It has left and right inputs from the LOC and left and right outputs to the speakers and headphone socket. It also has mute and standby functions which are activated by the LOC as appropriate.
  • Page 6 IC Descriptions for UK1A (continued) IC6603(digital only) This is a Sharp PQ1CZ series chopper regulator which provides the 6V supply for the digital module, hence it is only present on digital sets. The regulator is switched by the POWER 1 control line from the LOC. IC6604 This is a linear voltage regulator providing in this case 8V to supply the picture improvement IC IC2001.
  • Page 7 To enter to the Service Mode + Press and hold the GREEN button on the remote control and then press the P button on the cabinet. To select the service item and change data value + To select the adjustment item, use the P or P button.

  • Page 8: Service Data

    SERVICE DATA Model: N2SL NVM file: N2SL_040705_A796 Software ver E417 item value item value item value item value 0 Soft. Version E415 60 MUS 120 9178 CTI-RF 180 CHSE 61 PWLDAC 1 Init TV 121 9178 PK-RF 181 NLEL 2 ISP Mode 62 CB 122 9178 SP-RF 182 NUEL...

  • Page 9: Block Diagram

    BLOCK DIAGRAM This is a diagram for all models and therefore differs slightly from the actual block diagram. Outline control Lithium SCART 1 SCART 2 N2SL...
  • Page 10 -10- N2SL...
  • Page 11 LOC I series IC201 BLOCK DIAGRAMS -11- N2SL...

  • Page 12: Ic Block Diagrams

    IC BLOCK DIAGRAMS IC001 LA42052 <Audio Output> STAND BY INPUT AMPLIFIER OUTPUT AMPLIFIER IN 1 OUT 1 REFERENCE AMPLIFIER THERMAL PROTECTION CIRCUIT PRE GND POWER OUT 2 IN 2 OUTPUT AMPLIFIER INPUT AMPLIFIER RIPPLE FILTER POP NOISE PREVENTION BLOCK RIPPLE FILTER IC1205 BA7603F -12-...
  • Page 13 IC BLOCK DIAGRAMS IC2001 Sout spectral processing luminance vector processing Yout smart peaking input- luminance output Uout stage processing black stretch stage Vout histogram processing gamma control colour vector processing delay saturation control correction colour supply skin tone correction processing 'ground green enhancement blue stretch...
  • Page 14 IC BLOCK DIAGRAMS IC6600 / IC6605 PQ1CY1032ZP -14- N2SL...

  • Page 15: Cpu Functions

    CPU PORT FUNCTIONS BALL PAD NAME TYPE DESCRIPTION ROW A N / A Not Connected N / A Not Connected VSS_CORE51 Digital Ground Common digital core 1V8 ground N / A Not Connected VSS_CORE5 Digital Ground Common digital core 1V8 ground VSS_CORE4 Digital Ground Common digital core 1V8 ground...
  • Page 16 CPU PORT FUNCTIONS (continued page 2 of 5 ROW D GPIO5 5V TTL General purpose I/O XTAL0 external crystal (scaler) GPIO2/TCK 5V TTL General purpose I/O / test control N / A Not Connected N / A Not Connected VSS_IO3 Digital Ground Digital 3V3 ground used for I/Os N / A...
  • Page 17 CPU PORT FUNCTIONS (continued page 3 of 5) ROW L GPIO6 General purpose I/O VSS_IO31 Digital Ground Digital 3V3 ground used for I/Os VDD_CORE11 Digital Supply Digital 1V8 supply used for core logic PWM0 5 V TTL Pulse width modulated backlight brightness control L 1 1 RSN7 LVDS...
  • Page 18 CPU PORT FUNCTIONS (continued page 4 of 5) ROW U VDD_CORE0 Digital core supply (+1.8 V) VSSA_RGB0 Analog supply ground IN_R Analog Red colour input (scaler) REF_R Reference voltage Red R/PrIN3 3rd R input / PR input INSSW3 3rd RGB / YPRPB insertion input N / A Not Connected N / A...
  • Page 19 CPU PORT FUNCTIONS (continued page 5 of 5) ROW AD 5 V TTL Memory data bus N / A Not Connected 5 V TTL Memory data bus VDD_CORE0 Digital Supply Digital 1V8 supply used for core logic A2/CFG2 5 V TTL Memory address bus, config pins for boot strap A7/FCG7/RSTOUT 5 V TTL...

  • Page 20: Cabinet Parts List

    CABINET PARTS LIST FOR MODELS CE17LC4-C-00 Note: Parts order must contain Service Ref. No., Part No., and descriptions. 27/28 JXPLA Item Part No. Description Item Part No. Description 610 317 2538 SHIELD INVERTER TOP-N2SA CE17LC4-B-00 610 322 9706 SHIELD CASE LVDS-A-N2RJ...

  • Page 21: Cabinet Disassembly

    CABINET DISASSEMBLY CABINET BACK DISASSEMBLY 1. Remove 11 screws(A) for 17” 2. Pull out the cabinet back. -21- N2SL...
  • Page 22 PIN DESCRIPTION OF SEMICONDUCTORS Diode Diode K: Cathode A: Anode Transistor/FET Transistor/FET C: Collector D: Drain B: Base G: Gate Index E: Emitter S: Source C1 C2 C1 C2 (GND) RESET (IN) (OUT) Index Index Index Index Index Index Index Index Index -22-...
  • Page 23 PARTS DESCRIPTION AND READING IN SCHEMATIC DIAGRAM 1. The parts specification of resistors, capacitors and Resistor Reading coils are expressed in designated code. Please Example 1/2 D J 10K B check the parts description by the following code table. Characteristic 2.
  • Page 24 Note: Parts order must contain Service Ref. No., Part No., and descriptions. Description Part No. Ref. No. Chassis construction CE17LC4-C-00 013N2SL ELECTRICAL PARTS (Page 19) 1AA0B10N134FA ASSY,PWB,SIGNAL,N2SL (Page 19 - 24)
  • Page 25 Description Description Ref. No. Part No. Ref. No. Part No. C104 403 215 2211 GRM188R71H103KA01D PT115 C243 403 398 1513 ELECT 1000U M 6.3V C1040 403 207 0317 GRM21BF51C105ZA01L PT297 C244 403 164 0214 GRM188F51E104ZA01D PT115 C1041 403 207 0317 GRM21BF51C105ZA01L PT297 C245 403 215 2211...
  • Page 26 Ref. No. Part No. Description Ref. No. Part No. Description C4058 403 072 1617 CERAMIC 0.022U K D1201 407 149 0817 DIODE 1SS355-TE-17 C4059 403 157 3611 GRM1885C1H101JZ01D PT115 D1202 407 149 0817 DIODE 1SS355-TE-17 C4061 403 073 1210 CERAMIC 0.033U K D121 407 166 1118...
  • Page 27 Ref. No. Part No. Description Part No. Ref. No. Description L702 645 068 9680 LINE FILT DLW31SN601SQ2L R1013 401 105 2716 MT-GLAZE 220 JA 1/16W L703 645 068 9680 LINE FILT DLW31SN601SQ2L R1014 401 105 2815 MT-GLAZE 2.2K JA 1/16W L704 645 068 9680 LINE FILT DLW31SN601SQ2L...
  • Page 28 Description Part No. Ref. No. Part No. Ref. No. Description R135 401 105 4512 MT-GLAZE 390 JA 1/16W R234 401 148 6016 MT-GLAZE 2.2 JA 1/16W R136 401 105 2815 MT-GLAZE 2.2K JA 1/16W R236 401 148 6016 MT-GLAZE 2.2 JA 1/16W R137 401 105 5113 MT-GLAZE...
  • Page 29 Ref. No. Part No. Description Ref. No. Part No. Description R6640 401 105 0712 MT-GLAZE 100K JA 1/16W MISCELLANEOUS R6641 401 105 4215 MT-GLAZE 33K JA 1/16W A101 645 067 0466 TUNER,U/V R6642 401 105 4215 MT-GLAZE 33K JA 1/16W A101-A 610 323 0238 GASKET A-N3AL...
  • Page 30 All information in this manual is correct at the start of R2414 401 151 1817 MT-GLAZE 150 JA 1/2W production. Sanyo reserves the right to modify components R2415 401 151 1817 MT-GLAZE 150 JA 1/2W and procedures in order to comply with their continuous improvement policy.
  • Page 31 -31- N2SL...
  • Page 32 Sanyo Industries (UK) Ltd Printed in UK -32- N2SL...