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CP-780 Service Manual

3.4OPTION1

TOP

Teletext

OFF

FASTEXT

(FLOF)

OFF

TUBE

4:3

Dolby

Virtual

OFF

VAI bit set

to 1 in

SECAM L

TUNER OPTIONS

00=PHILIPS

01=Not used

10=Alps

11=Parstnic(DW)

TOP

Teletext

FASTEXT

(FLOF)

TUBE

16:9

Dolby

Virtual

SVHS3

enabled

VAI bit set

to 0 in

SECAM L

3.5 OPTION2

Fixed to

‘0’

Fixed to

‘0’

Nu Must

be Set to

1 for

Future

compati

bility

5 keys

Iacal

keyboard

7 keys

Iacal

keyboard

Fixed to ‘0’

n.u.

Must be set

to 1 for

future

compatibility

- OPTION SETTING BY MODEL

SVHS3

disabled

Full

ATSS

Basic

ATSS

PAT&

TAT

Enabled

PAT&

TAT

Disabled

CHASSIS

MODEL

OPTION

DW[hex]

REMARKS

BIT[b7...b0]

CP-780

DUB-2850GB

I 0001 1001

OPTION “b1,b0” -

II 0010 1111

Depends on Tuner

Содержание DUB-2850GB, DUB-2842GB

Страница 1: ...nged for improving their performance without notice in the parts list So if you need the latest parts information please refer to PPL Parts Price List in Service Information Center S M No TCP780FEF0 C...

Страница 2: ...DESCRIPTION 14 4 1 UOC III Series 14 4 2 TDA8946J STEREO AUDIO AMPLIFIER 24 4 3 TDA8358J VERTICAL AMPLIFIER 26 4 4 TDA6108AJF VIDEO AMPLIFIER 28 4 5 2WC16 16KB EEPROM 29 4 6 STR W6754 30 4 7 Pnx 8314...

Страница 3: ...ction 100 programmes Aux terminal EURO SCART 1 Audio Video In and Out R G B In Slow and Fast switching EURO SCAR SPDIF jack on rear of cabinet Digital channel output T 2 Audio Video In and Out SVHS In...

Страница 4: ...CP 780 Service Manual 4 1 1 3 EURO SCART 2 21Pin...

Страница 5: ...527 25 527 25 527 25 C29 535 25 535 25 535 25 535 25 C30 543 25 543 25 543 25 543 25 C31 551 25 551 25 551 25 551 25 C32 559 25 559 25 559 25 559 25 C33 567 25 567 25 567 25 567 25 C34 575 25 575 25...

Страница 6: ...5 167 25 161 25 S10 168 25 212 75 168 25 S11 231 25 224 75 231 25 S12 238 25 236 75 238 25 S13 245 25 248 75 255 25 245 25 S14 252 25 260 75 263 25 252 25 S15 259 25 272 75 271 25 259 25 S16 266 25 28...

Страница 7: ...ischarge the high potential of the picture tube before handling the tube The picture tube is highly evacuated and if broken glass fragments will be violently expelled If any Fuse in this TV receiver i...

Страница 8: ...gh option bits OK key Toggle bits in option byte Order Item Default setting 1 HOR CEN 39 2 RED GAIN 32 3 GRN GAIN 32 4 BLUE GAIN 32 5 RED BIAS 32 6 GRN BIAS 32 7 AGC LEVEL NO ADJUSTMENT 8 G2 SCREEN 9...

Страница 9: ...N SVHS3 enabled VAI bit set to 0 in SECAM L 3 5 OPTION2 B7 B6 B5 B4 B3 B2 B1 B0 1 0 Fixed to 0 Fixed to 0 Nu Must be Set to 1 for Future compati bility 5 keys Iacal keyboard 7 keys Iacal keyboard Fixe...

Страница 10: ...set 3 Entering into NVM EDITOR mode To switch the TV set into NVM EDITOR mode use the user remote control and press on PICTURE OK key The NVM EDITOR window will appear on the screen This mode allow y...

Страница 11: ...arpness 0x64D 0x23 16 Nor1_Tint 0x64E 0x20 17 Nor1_JVC_Bri 0x64F 0x2D 18 Nor1_JVC_Cont 0x650 0x2A 19 Nor1_JVC_Colour 0x651 0x1B 20 Nor1_JVC_Sharp 0x652 0x23 21 Nor2_Bright 0x653 0x28 22 Nor2_Contrast...

Страница 12: ...D GRN and BLUE GAIN to the desired colour temperature 3 7 3 FOCUS Adjust the Focus volume on FBT to have the best resolution on screen 3 7 4 VERTICAL GEOMETRY Adjust V LINEAR linearity S CORRECT S Cor...

Страница 13: ...video mute raster off and stay about 3 5 minute to search S W In this case power Consumption is 52W AC 230V After finishing searching s w TV set go to ST BY mode 1 5W AC 230V If turn off TV before TV...

Страница 14: ...ovak Republic Others CP 780 Service Manual 4 IC DESCRIPTION 4 1 UOC Series The UOC series combines the functions of a Video Signal Processor VSP together with a FLASH embedded TEXT Control Graphics m...

Страница 15: ...15 CP 780 Service Manual 4 1 2 BLOCK DIAGRAM...

Страница 16: ...F phase 1 filter 18 GND1 ground 1 for TV processor 19 SECPLL SECAM PLL decoupling 20 DECBG bandgap decoupling 21 EWD AVL 1 East West drive output or AVL capacitor 22 VDRB vertical drive B output 23 VD...

Страница 17: ...2L audio 2 input left signal 54 AUDIOIN2R audio 2 input right signal 55 CVBS2 Y2 CVBS2 Y2 input 56 AUDIOIN3L audio 3 input left signal 57 AUDIOIN3R audio 3 input right signal 58 CVBS3 Y3 CVBS3 Y3 inpu...

Страница 18: ...d 93 VDDA 1 8 analogue supply for audio ADCs 1 8 V 94 VDDA2 3 3 supply voltage SDAC 3 3 V 95 VSSadc ground for on chip temperature sensor 96 VDDadc 1 8 supply voltage video ADC 97 INT0 P0 5 external i...

Страница 19: ...elected because the circuit has 2 chroma inputs It is possible to add an additional CVBS Y C input CVBS YX and CX when the YUV interface and the RGB YPRPB input are not needed Automatic Y C signal det...

Страница 20: ...linear horizontal scaling of the video signal to be displayed Sound Demodulation all versions Separate SIF Sound IF input for single reference QSS Quasi Split Sound demodulation AM demodulator without...

Страница 21: ...Two carrier multistandard FM demodulation B G D K and M standard Decoding for three analog multi channel systems A2 A2 and A2 and satellite sound Adaptive de emphasis for satellite FM Optional AM dem...

Страница 22: ...ronisation control flywheel Mode control for RDS RBDS processing Different RDS RBDS block information output modes m Controller 80C51 m controller core standard instruction set and timing 0 4883 ms ma...

Страница 23: ...lose Caption 50Hz 60Hz display timing modes Two page operation for 16 9 screens Serial and Parallel Display Attributes Single Double Quadruple Width and Height for characters Smoothing capability of b...

Страница 24: ...xed gain Standby and mute mode No on off switching plops Low standby current High supply voltage ripple rejection Outputs short circuit protected to ground supply and across the load Thermally protect...

Страница 25: ...25 CP 780 Service Manual Block diagram TDA8946J...

Страница 26: ...with single positive supply voltages The east west output stage is able to supply the sink current for a diode modulator circuit The IC is constructed in a Low Voltage DMOS LVDMOS process that combin...

Страница 27: ...age 4 OUTB Vertical output voltage B 5 INEW East west input voltage 6 VGND Vertical ground 7 EWGND East west ground 8 OUTEW East west output voltage 9 VFB Flyback supply voltage 10 OUTA Vertical outpu...

Страница 28: ...81 Black Current Stabilization BCS circuit with voltage window from 1 5 to 6V and current window from 100Ua to 10Ma Thermal protection 4 4 2 Pin description Pin Symbol Description 1 Vi 1 inverting in...

Страница 29: ...ress Input Output 6 SCL Serial clock 7 WP Write control 8 Vcc Supply voltage 4 Vss Ground The memory device is compatible with the I2C memory standard This is a two wire serial interface that uses a b...

Страница 30: ...d control IC designed for flyback converter type switch mode power supply applications 4 6 2 FEATURES Small SIP fully isolated moulded 6 pins package Many protection functions Pulse by pulse overcurre...

Страница 31: ...t in non operation 4 3 ICC off 100 A Maximum on time 1 3 TON max 27 5 32 5 39 0 s Minimum on time 1 3 TON min 0 4 0 8 1 2 s O C P B D terminal 7 3 VOCPBD TH1 0 28 0 40 0 52 V threshold voltage 1 O C P...

Страница 32: ...4 76 VDDP 128 SDRAM_DATA 10 180 PIO23 ITU_OUT 4 25 TS_DATA 5 77 VSSP 129 SDRAM_DATA 9 181 PIO24 ITU_OUT 5 26 TS_DATA 6 78 VDDC 130 VDDP 182 PIO25 ITU_OUT 6 27 TS_DATA 7 79 VSSC 131 VSSP 183 PIO26 ITU_...

Страница 33: ...to any memory location The arbitration mechanism between the 4 channels is round robin Buffered mode DMA with a 16 byte data buffer Transfer type programmable for source and target buffer Byte Half w...

Страница 34: ...8bits available when the associated peripheral function is not used in the application One USB1 1 host controller Interrupt interface Sixteen external interrupt inputs shared with PIO lines 4 8 UDA133...

Страница 35: ...configuration High linearity wide dynamic range and low distortion Standby or sleep mode in which the DAC is powered down PLLsystem clock generation Integrated low jitter PLL for use in applications...

Страница 36: ...e Universal Control Signal Generator UCSG PC Card control signals generation Supprots powerPC ARM ST20 68xxx TMS LSI 64008 TC81220F IDTR3041 host microprocessors 12C port CIMAXTM Set up Slot selection...

Страница 37: ...37 CP 780 Service Manual 4 9 2 Pinning...

Страница 38: ...CONTROLLER Embedded Byte Word Program algorithms ERASE SUSPEND and RESUME MODES Read and Program another Block during Erase Suspend UNLOCK BYPASS PROGRAM COMMAND Faster Production Batch Programming Vp...

Страница 39: ...dress Four banks operation MRS cycle with address key programs CAS latency 2 3 Burst length 1 2 4 8 Full page Burst type Sequential Interleave All inputs are sampled at the positive going edge of the...

Страница 40: ...40 CP 780 Service Manual 5 CIRCUIT DESCRIPTION 5 1 BLOCK DIAGRAM...

Страница 41: ...ency 5 2 2 QSS sound circuit The sound IF amplifier is similar to the vision IF amplifier and has an external AGC decoupling capacitor The single reference QSS mixer is realised by a multiplier In thi...

Страница 42: ...control 5 2 4 1 STEREO AND AV STEREO VERSIONS The audio input selector circuit has 4 external stereo inputs a stereo output for SCART CINCH and stereo outputs for headphone and audio power amplifiers...

Страница 43: ...nd can be used to switch the synchronisation and can be used to switch the presence of a video signal via the VID bit In this way a very stable OSD can be realised The result of the video ident circui...

Страница 44: ...vertical drive The horizontal drive is switched on and off via the soft start stop procedure The soft start function is realised by means of variation of the TON of the horizontal drive pulses During...

Страница 45: ...maximum peaking in the bright parts of the picture Black stretch This function corrects the black level for incoming signals which have a difference between the black level and the blanking level The...

Страница 46: ...during each vertical blanking period when the IC is in search or SECAM mode The frequency offset of the B Y demodulator can be reduced by means of the SBO1 SBO0 bits in subaddress 3CH The base band de...

Страница 47: ...esolution of 7 bits The control of the gain setting is illustrated in table below WPR GB 0 B5 B4 B3 B2 B1 B0 Max 64 CL 0 B3 B2 B1 B0 0 0 Max 60 CCC gain B6 B5 B4 B3 B2 B1 B0 Max 126 R GB gain B6 B5 B4...

Страница 48: ...uit This current ensures that the picture tube capacitance is discharged During the switch off period the vertical deflection can be placed in an overscan position so that the discharge is not visible...

Страница 49: ...y r Pro Logic r and Virtual Dolby r Surround 422 423 Flexible configuration of audio outputs to the loudspeaker configuration with an additional output crossbar Master volume function The control conc...

Страница 50: ...n the following tables The analogue multi channel sound systems A2 A2 and A2 are sometimes also named 2CS 2 carrier systems ANALOG 2 CARRIER SYSTEMS Table Frequency modulation STANDARD SOUND CARRIER F...

Страница 51: ...80 5 85 J17 40 Note1 I 6 0 FM 27 50 80 6 552 J17 100 Note1 D K 6 5 FM 27 50 80 5 85 J17 40 Note1 L 6 5 AM 54 100 5 85 J17 40 Note1 Note 1 See EBU specification or equivalent specification 5 4 FUNCTION...

Страница 52: ...dulator is connected to the analogue crossbar at the video processor All other inputs to this multiplexer audio switch come from external either from a PIP frontend or SCART CINCH AUDINx or the DAC ou...

Страница 53: ...ded for Dolby r Pro Logic r processing In standard TV applications the main channel signal L R will be connected to the DAC2 for reproduction at the speakers With multichannel signals centre surround...

Страница 54: ...ncies The result is available via the control bus interface A selection can be made for three different modes that represent different trade offs between speed and reliability of identification The mo...

Страница 55: ...ived the auto mute is enabled and the signal quality becomes poor the built in control automatically switches the output signal DEC output to FM channel 1 The automatic switching depends on the NICAM...

Страница 56: ...CERA SEMKO F4AH 4A 250V MF51 I301 PTB2SW8215 HEAT SINK ASS Y 1TDA8358J 7174301011 LOC PARTCODE PARTNAME DESCRIPTION REMARK 00001 1TDA8358J IC VERTICAL TDA8358J 0000A 4857028215 HEAT SINK AL EX 0000B 7...

Страница 57: ...7MF J TP LOC PARTCODE PARTNAME DESCRIPTION REMARK C370 CCXF1H473Z C CERA 50V F 0 047MF Z TAPPING C401 CEXF1H101V C ELECTRO 50V RSS 100MF 8X11 5 TP C414 CMXM2A104J C MYLAR 100V 0 1MF J TP C418 CCXB1H10...

Страница 58: ...1060GY WIRE COPPER 1 0 6 TIN COATING LOC PARTCODE PARTNAME DESCRIPTION REMARK J055 85801060GY WIRE COPPER 1 0 6 TIN COATING J056 85801060GY WIRE COPPER 1 0 6 TIN COATING J058 85801060GY WIRE COPPER 1...

Страница 59: ...TE TT2 RND 3X8 MFZN P903 4859238620 CONN WAFER YPW500 02 LOC PARTCODE PARTNAME DESCRIPTION REMARK PA901 4850706S02 CONNECTOR YH025 06 YBNH025 06 ULW 400 PA902 4850705S04 CONNECTOR YH025 05 YBNH250 ULW...

Страница 60: ...50V Y5V 0 1MF Z 1608 CCD63 HCFK104ZBA C CHIP CERA 50V Y5V 0 1MF Z 1608 CCD65 HCQK330JBA C CHIP CERA 50V CH 33PF J 1608 CCD66 HCFK104ZBA C CHIP CERA 50V Y5V 0 1MF Z 1608 CCD67 HCFK104ZBA C CHIP CERA 5...

Страница 61: ...F 5X11 TP C538 CEXF1H229V C ELECTRO 50V RSS 2 2MF 5X11 TP C539 CMXM2A332J C MYLAR 100V 3300PF J TP LOC PARTCODE PARTNAME DESCRIPTION REMARK C540 CMXE2A473J C MYLAR 100V PU 0 047MF J C542 CEXF1H100V C...

Страница 62: ...RBON FILM 1 6 3 3K OHM J R510 RD AZ103J R CARBON FILM 1 6 10K OHM J R511 RD AZ103J R CARBON FILM 1 6 10K OHM J R512 RD AZ101J R CARBON FILM 1 6 100 OHM J R513 RD AZ101J R CARBON FILM 1 6 100 OHM J R51...

Страница 63: ...T101JBA R CHIP 1 10 100 OHM J 1608 RC131 HRFT472JBA R CHIP 1 10 4 7K OHM J 1608 RC537 HRFT183JBA R CHIP 1 10 18K OHM J 1608 RC542 HRFT682JBA R CHIP 1 10 6 8K OHM J 1608 LOC PARTCODE PARTNAME DESCRIPTI...

Страница 64: ...5K OHM J 1608 RCE24 HRFT333JBA R CHIP 1 10 33K OHM J 1608 RCE25 HRFT102JBA R CHIP 1 10 1K OHM J 1608 RCE26 HRFT683JBA R CHIP 1 10 68K OHM J 1608 RCE27 HRFT102JBA R CHIP 1 10 1K OHM J 1608 RCE28 HRFT8...

Страница 65: ...65 7 SCHEMATIC DIAGRAM...

Страница 66: ...66 SCHEMATIC DIAGRAM...

Страница 67: ...67 SCHEMATIC DIAGRAM...

Страница 68: ...68 SCHEMATIC DIAGRAM...

Страница 69: ...69 SCHEMATIC DIAGRAM...

Страница 70: ...70 8 PRINTED CIRCULT BOARD...

Страница 71: ...71 PRINTED CIRCULT BOARD...

Страница 72: ...72 PRINTED CIRCULT BOARD...

Страница 73: ...73 PRINTED CIRCULT BOARD...

Страница 74: ...74 PRINTED CIRCULT BOARD...

Страница 75: ...75 PRINTED CIRCULT BOARD...

Страница 76: ...76 PRINTED CIRCULT BOARD...

Страница 77: ...77 PRINTED CIRCULT BOARD...

Страница 78: ...78 9 EXPLODED VIEW...

Страница 79: ...DAEWOO ELECTRONICS CORP PRINTED DATE NOV 2005 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA...

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