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ELECTRICAL PARTS LIST

RV11

RD-AZ470J-

R CARBON FILM

1/6 47 OHM J

RV12

RD-AZ682J-

R CARBON FILM

1/6 6.8K OHM J

RV13

RD-AZ113J-

R CARBON FILM

1/6 11K OHM J

RV14

RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

RV15

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

RV16

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

RV17

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

RV18

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

RV19

RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

RV20

RD-AZ113J-

R CARBON FILM

1/6 11K OHM J

RV21

RD-AZ682J-

R CARBON FILM

1/6 6.8K OHM J

RV22

RD-AZ113J-

R CARBON FILM

1/6 11K OHM J

RV23

RD-AZ682J-

R CARBON FILM

1/6 6.8K OHM J

RV31

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

RV32

RD-AZ682J-

R CARBON FILM

1/6 6.8K OHM J

RV33

RD-AZ113J-

R CARBON FILM

1/6 11K OHM J

ZZ300

PTPMMSE154

PCB PIP MANUAL AS

DTU-29U1ME

PP01A

4859274520

CONN WAFER

YFAW025-120

XP01

5XE20R250E

CRYSTAL QUARTZ

HC-49/U 20.2500MHZ 30PPM

ZZ200

PTPMJ2E154

PCB PIP CHIP B AS

DTU-29U1ME

CCP01

HCQK180JBA

C CHIP CERA

50V CH 18PF J 1608

CCP02

HCQK180JBA

C CHIP CERA

50V CH 18PF J 1608

CCP05

HCBK103KBA

C CHIP CERA

50V X7R 0.01MF K 1608

CCP06

HCBK473KBA

C CHIP CERA

50V X7R 0.047MF K 1608

CCP07

HCBK473KBA

C CHIP CERA

50V X7R 0.047MF K 1608

CCP08

HCBK473KBA

C CHIP CERA

50V X7R 0.047MF K 1608

CCP10

HCBK103KBA

C CHIP CERA

50V X7R 0.01MF K 1608

CCP11

HCBK473KBA

C CHIP CERA

50V X7R 0.047MF K 1608

CCP12

HCBK473KBA

C CHIP CERA

50V X7R 0.047MF K 1608

CCP13

HCBK473KBA

C CHIP CERA

50V X7R 0.047MF K 1608

CCP14

HCBK103KBA

C CHIP CERA

50V X7R 0.01MF K 1608

CCP17

HCBK103KBA

C CHIP CERA

50V X7R 0.01MF K 1608

CCP20

HCBK103KBA

C CHIP CERA

50V X7R 0.01MF K 1608

CCP22

HCBK103KBA

C CHIP CERA

50V X7R 0.01MF K 1608

CCP28

HCQK221JBA

C CHIP CERA

50V CH 220PF J 1608

IP01

1PVP9390AQ

IC CHIP PIP

PVP9390A-QG-A1

RCP02

HRFT101JBA

R CHIP

1/10 100 OHM J 1608

RCP03

HRFT101JBA

R CHIP

1/10 100 OHM J 1608

RCP04

HRFT101JBA

R CHIP

1/10 100 OHM J 1608

RCP05

HRFT101JBA

R CHIP

1/10 100 OHM J 1608

RCP06

HRFT101JBA

R CHIP

1/10 100 OHM J 1608

RCP10

HRFT102JBA

R CHIP

1/10 1K OHM J 1608

ZZ200

PTPMJRE154

PCB PIP RADIAL AS

DTU-29U1ME

CP04

CEXF1C100A

C ELECTRO

16V RSM 10MF 5X7

CP09

CEXF1C100A

C ELECTRO

16V RSM 10MF 5X7

CP15

CEXF1C100A

C ELECTRO

16V RSM 10MF 5X7

CP16

CEXF1C100A

C ELECTRO

16V RSM 10MF 5X7

CP21

CEXF1C100A

C ELECTRO

16V RSM 10MF 5X7

CP24

CEXF1C221V

C ELECTRO

16V RSS 220MF (8X11.5) TP

CP25

CEXF1C221V

C ELECTRO

16V RSS 220MF (8X11.5) TP

IP02

1K1A431B—

IC REGULATOR(SHUNT)

KIA431B 2.495V 0.5% TO-92

QP03

TKTC3198Y-

TR

KTC3198Y

RP16

RN02B100JS

R METAL FILM

2W 10 OHM J SMALL

ZZ200

PTPMJAE154

PCB PIP AXIAL AS

DTU-29U1ME

A001

4859815424

PCB PIP

197X246 D1B

CP01

CCZF1H473Z

C CERA

50V F 0.047MF Z

DP02

D1N4148—-

DIODE

1N4148 (TAPPING)

JP01

85801060GY

WIRE COPPER

1/0.6 TIN COATING

JP02

85801060GY

WIRE COPPER

1/0.6 TIN COATING

JP03

85801060GY

WIRE COPPER

1/0.6 TIN COATING

JP04

85801060GY

WIRE COPPER

1/0.6 TIN COATING

JP05

85801060GY

WIRE COPPER

1/0.6 TIN COATING

JP06

85801060GY

WIRE COPPER

1/0.6 TIN COATING

JP07

85801060GY

WIRE COPPER

1/0.6 TIN COATING

LP02

5CPZ100K02

COIL PEAKING

10UH K (AXIAL 3.5MM)

LP03

5CPZ100K02

COIL PEAKING

10UH K (AXIAL 3.5MM)

LP04

5CPZ100K02

COIL PEAKING

10UH K (AXIAL 3.5MM)

LP05

5CPZ100K02

COIL PEAKING

10UH K (AXIAL 3.5MM)

LOC

PART CODE

PART NAME

DESCRIPTION

REMARK

LP06

5CPZ100K02

COIL PEAKING

10UH K (AXIAL 3.5MM)

RP01

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

RP02

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

RP07

RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

RP08

RD-AZ102J-

R CARBON FILM

1/6 1K OHM J

RP09

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

RP10

RD-AZ561J-

R CARBON FILM

1/6 560 OHM J

RP11

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

RP12

RN-AZ3301F

R METAL FILM

1/6 3.3K OHM F

RP13

RN-AZ1101F

R METAL FILM

1/6 1.10K OHM F

RP15

RD-AZ103J-

R CARBON FILM

1/6 10K OHM J

RP17

RD-AZ101J-

R CARBON FILM

1/6 100 OHM J

ZZ320

PTUNSWE136

PCB UNION AS

DTU-29M5MT

C930

CH1BFE472M

C CERA AC

AC400V 4700PF M U/C/V

HP01

4859105240

JACK PHONE

LGT1516-0100

I901

PTE3SW1100

HEAT SINK ASS’Y

1TDA 7174300811

11TDA6107AJ

IC VIDEO

TDA6107AJF

0000A

4857031100

HEAT SINK

A1050P-H24 T2.0

0000B

7174300811

SCREW TAPPTITE

TT2 RND 3X8 MFZN

ID01

1PNA4603H-

IC PHOTO SENSOR

PNA4603H

JV03

4859105450

JACK PIN BOARD

YSC03P-4120-9S

M231

4851114004

PANEL AV ASSY

5934302

M231A

7178301011

SCREW TAPPTITE

TT2 WAS 3X10 MFZN

M681

4856812001

TIE CABLE

NYLON66 DA100

M781

4857821300

CLOTH BLACK

CLOTH

PA402

4850705S04

CONNECTOR

YH025-05+ULW=400

PA501

4850707S09

CONNECTOR

YH025-07+ULW=500

PA602

4850705S12

CONNECTOR

YH025-05+ULW=500

PA603

4850706S18

CONNECTOR

YH025-06+ULW=500

PDA1

4850703S18

CONNECTOR

YH025-03+ULW=200

SCT4

4859303530

SOCKET CRT

PCS629-03C

ZZ200

PTUNJ0E136

PCB UNION RHU AS

DTU-29M5MT

C905

CEXF2E100V

C ELECTRO

250V RSS 10MF (10X20) TP

ZZ200

PTUNJBE136

PCB UNION M-10 AS

DTU-29M5MT

10

2TM18006BE

TAPE MASKING

6.2X500

R914

RS02Z309JS

R M-OXIDE FILM

2W 3 OHM J SMALL

R916

RS02Z271JS

R M-OXIDE FILM

2W 270 OHM J SMALL

ZZ200

PTUNJRE136

PCB UNION RADIAL AS

DTU-29M5MT

C901

CCXB1H561K

C CERA

50V B 560PF K (TAPPING)

C903

CMXL2E104K

C MYLAR

250V MEU 0.1MF K

C904

CEXF2E109V

C ELECTRO

250V RSS 1MF (6.3X11)

C922

4SG0DX0001

SPARK GAP

SSG-102-A1(1.0KV) TAP

C923

4SG0DX0001

SPARK GAP

SSG-102-A1(1.0KV) TAP

C924

4SG0DX0001

SPARK GAP

SSG-102-A1(1.0KV) TAP

C928

4SG0DX0001

SPARK GAP

SSG-102-A1(1.0KV) TAP

C929

4SG0DX0001

SPARK GAP

SSG-102-A1(1.0KV) TAP

CS01

CEXF1H100V

C ELECTRO

50V RSS 10MF (5X11) TP

CS02

CEXF1H100A

C ELECTRO

50V RSM 10MF (5X7) TP

RS01

RN01B151JS

R METAL FILM

1W 150 OHM J SMALL

RS02

RN01B151JS

R METAL FILM

1W 150 OHM J SMALL

ZZ200

PTUNJAE136

PCB UNION AXIAL AS

DTU-29M5MT

10

2TM14006LB

TAPE MASKING

3M #232 6.0X2000M

20

2TM10006LB

TAPE MASKING

3M #232-MAP-C 6.2X2000M

A001

4859813060

PCB UNION

246X246/3(82X246) D1B

CA11

CCZB1H102K

C CERA

50V B 1000PF K (AXIAL)

CA12

CCZB1H102K

C CERA

50V B 1000PF K (AXIAL)

CA13

CCZB1H102K

C CERA

50V B 1000PF K (AXIAL)

CA14

CCZB1H102K

C CERA

50V B 1000PF K (AXIAL)

CD04

CCZB1H561K

C CERA

50V B 560PF K

D905

D1N4937G—

DIODE

1N4937G (TAPPING)

D906

D1N4937G—

DIODE

1N4937G (TAPPING)

D907

D1N4937G—

DIODE

1N4937G (TAPPING)

D908

DLT2A05G—

DIODE

LT2A05G (TP)

DA11

DMTZJ5R6B-

DIODE ZENER

MTZJ 5.6B 

DA12

DMTZJ5R6B-

DIODE ZENER

MTZJ 5.6B 

DA13

DMTZJ5R6B-

DIODE ZENER

MTZJ 5.6B 

DD01

DMTZJ5R6B-

DIODE ZENER

MTZJ 5.6B 

JS01

85801060GY

WIRE COPPER

1/0.6 TIN COATING

LOC

PART CODE

PART NAME

DESCRIPTION

REMARK

Summary of Contents for DTU-29M5ME

Page 1: ...L Parts Price List in Service Information Center Service Manual Color Television CHASSIS Model CM 500 500F DTU 29M5ME MP MT MZ DTU 29M6ME MP MT MZ DTU 29M7ME MP MT MZ DTU 29U1ME MP MT MZ DTU 29U5ME MP...

Page 2: ...TYPICAL SERVICE DATA 15 6 ELECTRICAL PARTS LIST 16 7 EACH MODEL PARTS LIST 24 8 SCHEMATIC DIAGRAM 25 9 PRINTED CIRCUIT BOARD 26 10 MECHANICAL EXPLODED VIEW AND PARTS LIST 29 11 IC DESCRIPTION 38 12 T...

Page 3: ...W FLAT 7 5W 7 5W at EQUILIZER CENTER Channel Conerage VHF BAND I CH 02 CH04 48 25MHz 62 25MHz BAND II CH05 CH12 175 25MHz 224 25MHz CABLE BAND S01 S03 69 25MHz 83 25MHz S01 S20 105 25MHz 294 25MHz HYP...

Page 4: ...e the picture tube to avoid the shock harzard before removing the anode cap 3 Discharge the high potential of the picture tube before handling the tube The picture tube is highly evacuated and if brok...

Page 5: ...4 3 CIRCUIT BLOCK DIAGRAM...

Page 6: ...Gunpo RND V1 01 25 11 04 Tuner option revision Byte1 bite2 1 0 V1 02 29 11 04 Curtain beep option added Byte3 bits1 Curtain ON OFF bit setting corrected V1 03 02 12 04 Local key option bit changed Dig...

Page 7: ...ervice e g SERVICE V1 00 To exit SERVICE menu press menu key or Stand By key 4 2 SERVICE MODE NAVIGATION Pr Up Down remote keys cycle through the service items available Vol remote keys Dec Increment...

Page 8: ...are two option bytes available 16 bits in all These option bits are available from FACTORY and SERVICE mode First find the OPTION1 OPTION2 or OPTION3 control and then use the UP DOWN and PLUS MINUS k...

Page 9: ...EXTING OPTION BITS MENU Push the button OPT a third time The full sequence enter to exit is FACTORY OPTION1 OPTION2 OPTION3 FACTORY 4 4 6 AFTER SETTING OPTION BITS Before pushing on the shipping key B...

Page 10: ...zoom selection in features menu WSS is also disabled Dolby Virtual Bit 3 Allows Doby Virtual trademark 3D effect to be available from the user control button 3D Note Dolby Virtual is only available w...

Page 11: ...icture setting according to the table below PARS Logo ON OFF Bit 0 Enables disables the display of PARS logo at power on 4 5 3 OPTION 3 BITS Curtain function at power ON Bit 7 Enables disables the cur...

Page 12: ...tin German East 1 0 0 Cyrillic Latin Russia East 1 0 1 Cyrillic Latin Ukrainian East 1 1 0 Latin Latin Czech Slovak East 1 1 1 Latin Latin Rumanian East Arabic 0 0 0 Latin Latin English West Persian 0...

Page 13: ...djust RED GRN and BLUE GAIN to the desired colour temperature 3 FOCUS Adjust the Focus volume on FBT to have the best resolution on screen 4 VERTICAL GEOMETRY Adjust V LINEAR linearity S CORRECT S Cor...

Page 14: ...itted on the chassis See above how to change option bits Adjust the antenna signal level at 62 dB V 2 Tune a colour bar pattern Find the AGC LEVEL item in service mode Press the key OK on the remote k...

Page 15: ...URSOR RIGHT PROGRAM DOWN CURSOR DOWN MODE OK PRESET PIP ON PIP PICTURE SWAP PIP POSITION PIP PICTURE SOURCE TV TELETEXT PIP PICTURE SIZE SLEEP ZOOM 3D SOUND EFFECT TELETEXT MODE POWER SOUND MUTE NUMBE...

Page 16: ...15 5 CM 500 F TYPICAL SERVICE DATA...

Page 17: ...TDA8358J 0000A 4857028227 HEAT SINK AL EX BK 0000B 7174301011 SCREW TAPPTITE TT2 RND 3X10 MFZN LOC PARTCODE PARTNAME DESCRIPTION REMARK I601 PTA2SW8232 HEAT SINK ASS Y 1LA42152 E 7174301011 11LA42152...

Page 18: ...LL R406 RS02Z203JS R M OXIDE FILM 2W 20K OHM J SMALL R407 RS02Z102JS R M OXIDE FILM 2W 1K OHM J SMALL R408 RF01Z100J R FUSIBLE 1W 10 OHM J TAPPING R409 RS01Z103J R M OXIDE FILM 1W 10K OHM J TAPPING R4...

Page 19: ...M14006LB TAPE MASKING 3M 232 6 0X2000M LOC PARTCODE PARTNAME DESCRIPTION REMARK 20 2TM10006LB TAPE MASKING 3M 232 MAP C 6 2X2000M A001 4859810993 PCB MAIN 330X246 D1B C101 CCZB1H102K C CERA 50V B 1000...

Page 20: ...20 RD AZ102J R CARBON FILM 1 6 1K OHM J J321 85801060GY WIRE COPPER 1 0 6 TIN COATING J405 85801060GY WIRE COPPER 1 0 6 TIN COATING J406 85801060GY WIRE COPPER 1 0 6 TIN COATING J407 85801060GY WIRE C...

Page 21: ...ING J854 85801060GY WIRE COPPER 1 0 6 TIN COATING LOC PARTCODE PARTNAME DESCRIPTION REMARK J857 85801060GY WIRE COPPER 1 0 6 TIN COATING J879 85801060GY WIRE COPPER 1 0 6 TIN COATING J888 85801060GY W...

Page 22: ...ARBON FILM 1 6 10K OHM J R739 85801060GY WIRE COPPER 1 0 6 TIN COATING LOC PARTCODE PARTNAME DESCRIPTION REMARK R740 85801060GY WIRE COPPER 1 0 6 TIN COATING R741 RD AZ101J R CARBON FILM 1 6 100 OHM J...

Page 23: ...02 COIL PEAKING 10UH K AXIAL 3 5MM LP04 5CPZ100K02 COIL PEAKING 10UH K AXIAL 3 5MM LP05 5CPZ100K02 COIL PEAKING 10UH K AXIAL 3 5MM LOC PARTCODE PARTNAME DESCRIPTION REMARK LP06 5CPZ100K02 COIL PEAKING...

Page 24: ...05 RD AZ101J R CARBON FILM 1 6 100 OHM J R906 RD AZ101J R CARBON FILM 1 6 100 OHM J R907 RD AZ101J R CARBON FILM 1 6 100 OHM J R908 RC 2Z102K R CARBON COMP 1 2 1K OHM K R909 RC 2Z102K R CARBON COMP 1...

Page 25: ...CVSNDF SV Q O C811 C CERA AC 4 0KV 2200PF M AD AC250V 4 0KV 3300PF M SD AC250V C831 C MYLAR N C 630V PU 0 047MF J D820 DIODE N C RL4A 015 308 D821 DIODE N C RL4A 015 308 J803 J804 WIRE COPPER 1 0 6 TI...

Page 26: ...25...

Page 27: ...26...

Page 28: ...27...

Page 29: ...28...

Page 30: ...29 DTU 29M5...

Page 31: ...30 DTU 29M6...

Page 32: ...31 DTU 29M7...

Page 33: ...32 DTU 29U1...

Page 34: ...RUBBER SCREW CRT FIX 4 4 CR T2 0 SWRM SK5 L 35 4852163101 COVER BACK 1 1 HIPS GY 4851114003 SIDE AV PCB PANEL AV ASSY 1 1 CM 500F CM 500F 2326802 5934301 7178301212 SCREW TAPTITE 2 TT2 WAS 3X12 MFZN...

Page 35: ...34 CM 500F 4858311110 DTU 29U8 4859645360 12W 8 SP 58126F DTU 29U8...

Page 36: ...35 DTU 29F1 CM 500F 4859845360 CPT A68AKY13X CM 500F CM 500F DTU 29F1...

Page 37: ...36 DTU 29F2 CM 500F 4859845360 CPT A68AKY13X CM 500F DTU 29F2...

Page 38: ...37 DTU 29F3 CM 500F 4859845360 CPT A68AKY13X CM 500F CM 500F DTU 29F3...

Page 39: ...together with a FLASH embedded TEXT Control Graphics m Controller TCG m Controller and US Closed Caption decoder In addition the following functions can be added Teletext decoder with 10 page text me...

Page 40: ...39 IC DESCRIPTION...

Page 41: ...0 port 2 1 or PWM0 output 12 P3 0 ADC0 port 3 0 or ADC0 input 13 P3 1 ADC1 port 3 1 or ADC1 input 14 P3 2 ADC2 port 3 2 or ADC2 input 15 P3 3 ADC3 port 3 3 or ADC3 input 16 VDDA 3 3V supply 3 3V 17 VR...

Page 42: ...ssor 5V 46 IFVO SVO CVBSI 2 IF video output selected CVBS output CVBS input 47 AUDIOIN4L audio 4 input left signal 48 AUDIOIN4R audio 4 input right signal 49 CVBS4 Y4 CVBS4 Y4 input 50 AUDIOIN2L audio...

Page 43: ...West drive output or AVL capacitor 76 VDRA vertical drive A output 77 VDRB vertical drive B output 78 VGUARD SWIO V guard input I O switch e g 4mA current sinkingcapability for direct drive of LEDs 7...

Page 44: ...ecoder Multi standard colour decoder with automatic search system and various forced mode possibilities Internal base band delay line Indication of the Signal to Noise ratio of the incoming CVBS signa...

Page 45: ...4 stereo inputs a stereo output for SCART CINCH 1 stereo output for HEADPHONE The headphone channel has an analogue volume control circuit for the L and R channel Finally 1 stereo SPEAKER output with...

Page 46: ...l Dolby Surround VDS 422 423 SRS 3D and SRS TruSurround RDS RBDS Only possible with external FM RADIO DEMOD Demodulation of the European Radio Data system RDS or the USA Radio Broadcast Data System RB...

Page 47: ...ical Blanking Interval VBI data capture of WST data Display Teletext and Enhanced OSD modes Features of level 1 5 WST and US Close Caption 50Hz 60Hz display timing modes Two page operation for 16 9 sc...

Page 48: ...tion circuis Portection from shorting to ground shorting to Vcc load shorting and overheating 2 2 BLOCK DIAGRAM 5 2 12 OUT1 IN1 Input amplifier Input amplifier Output amplifier Output amplifier Ri 20k...

Page 49: ...h 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 combines b...

Page 50: ...cal 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 output voltage A 11 G...

Page 51: ...slew rate of 900V ms No external components required Very simple application Single supply voltage of 200V Internal reference voltage of 2 5 V Fixed gain of 81 Black current stabilisation BCS circuit...

Page 52: ...at uses a bi directional data bus and serial clock The memory carries a built in 4 bit unique device type identifier code 1010 in accordance with the I2C bus definition Serial Clock SCL The SCL input...

Page 53: ...ators and control IC designed for flyback converter type switch mode power supply applications 6 2 FEATURES Small SIP fully isolated moulded 6 pins package Many protection functions Pulse by pulse ove...

Page 54: ...ply for control circiut 5 SS OLP Delay at Overload Soft Overload Protection and Soft Start set up Terminal Opetation Time set up 6 FB Feedback terminal Constant Voltage Control Signal Input Burst inte...

Page 55: ...oltage1 7 3 VOCPBD TH1 0 25 0 40 0 52 V Quasi Resonant Operation Threshold Voltage2 7 3 VOCPBD TH2 0 67 0 80 0 93 V FB Terminal Threshold Voltage 6 3 VFB OFF 1 32 1 45 1 58 V FB Terminal Inflow Curren...

Page 56: ...ier In this multiplier the SIF signal is converted to the intercarrier frequency by mixing it with the regenerated picture carrier from the VCO The mixer output signal is supplied to the output via a...

Page 57: ...ade with the bits SAS2 0 SO2 0 and HPO2 0 AV stereo versions without Audio DSP have no headphone output The input signal selection for the volume controlled audio outputs is realised by the HPO2 0 bit...

Page 58: ...the displayed picture the input signal of the sync separator is not derived from the various CVBS Y or RGB YPrPb inputs but from the YOUT pin For this reason the YOUT pin must be capacitively coupled...

Page 59: ...Vertical shift Vertical zoom Vertical scroll Vertical linearity correction When required the linearity setting for the upper and lower part of the screen can have a different setting Horizontal shift...

Page 60: ...a brighter impression of the picture Dynamic skin tone flesh control This function is realised in the YUV domain by detecting the colours near to the skin tone 7 9 Colour decoder The ICs decode PAL N...

Page 61: ...icture The black level control is active on the Red and the Green output signal It is also possible to control the black level of the Blue and the Green output signal OFB bit 1 In the Vg2 adjustment m...

Page 62: ...h an additional output crossbar Master volume function The control concept for the demodulator and decoder DEMDEC is based on the following new features Easy demodulator setup for all implemented stan...

Page 63: ...MSWITHNICAM Table NICAM standards Note 1 See EBU specification or equivalent specification 9 FUNCTIONAL DESCRIPTION SOUND PROCESSOR 9 1 The UOC III TV Sound Concept The UOCIII sound concept is impleme...

Page 64: ...o signal out of the AM demodulator 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...

Page 65: ...Logic 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 or subwoofer channels...

Page 66: ...rier For NICAM demodulation a feedback signal is added to the control word of the second carrier mixer to establish a carrier frequency loop FM AND AM DEMODULATION An FM or AM input signal is fed via...

Page 67: ...728 specification After locking to the frame alignment word the data is de scrambled by applying the defined pseudo random binary sequence the NICAM decoder will then synchronize to the periodic fram...

Page 68: ...ill switch the output sound from NICAM to what ever sound is on the first sound carrier FM or AM When the error count is smaller thanthe lower error limit the NICAM sound is restored The auto mute fun...

Page 69: ...HECK REPLACE D802 D805 R803 CHECK REPLACE I802 LTV 817C CHECK VOLTAGE AT PIN I701 CHECK VOLTAGE AT PIN 21 OF I701 ST BY L POWER ON H ABNORMAL ABNORMAL NORMAL NORMAL NORMAL CHECK Horizontal AT PIN 73 O...

Page 70: ...80 OF I701 CHECK REPLACE Q502 Q503 Q504 Q505 CHECK SIGNAL AT CATHODE OF CRT CHECK REPLACE CRT BOARD CHANGE SIGNAL IF OF TUNER CHECK SIGNAL AT PIN 72 76 77 OF I701 CHECK REPLACE SCL SDA B OF I701 CHEC...

Page 71: ...HARTS CHECK SIGNAL AT 28 29 PIN OF I701 CHANGE THE SYSTEM PAL SECAM CHECK REPLACE IF OF TUNER CHECK REPLACE Z701 Z702 CHECK R G B SIGNAL 83 84 85TH OF I701 CHECK REPLACE CRT PART NORMAL NORMAL ABNORMA...

Page 72: ...OF I701 CHECK 189V Line Heater Voltage CHECK REPLACE CRT CHECK SIGNAL AT R G B INPUT AND R G B OUTPUT OF I901 CHECK REPLACE SCL SDA B OF TUNER CHECK REPLACE I701 CHECK SIGNAL AT IF OF TUNER CHECK AV S...

Page 73: ...701 CHECK REPLACE I701 CHECK REPLACE R313 R314 C313 C314 R305 R312 C305 C306 CHECK VERTICAL INPUT Vin OF I301 NORMAL NORMAL NORMAL NORMAL NORMAL ABNORMAL ABNORMAL ABNORMAL ABNORMAL CHECK VERTICAL OUTP...

Page 74: ...2 4 OF I601 CHECK SIGNAL AT PIN 57 58 I701 NORMAL NORMAL NORMAL NORMAL NORMAL ABNORMAL ABNORMAL ABNORMAL ABNORMAL CHECK SIF OUT OF I701 CHECK Speaker Connector Replade I601 CHECK REPLACE R602 R604 R6...

Page 75: ...AV2 DVD1 DVD2 CHECK SIGNAL AT PIN 49 52 55 68 69 70 OF I701 CHECK SIGNAL AT PIN R G B 83 84 85 OF I701 ABNORMAL ABNORMAL ABNORMAL NORMAL NORMAL NORMAL CHECK SIGNAL AT R G B Input and R G B Ouput of I9...

Page 76: ...G CHARTS 8 REMOTE CONTROL UNIT TROUBLE CHECK BATTERY AND LED OF REMOCON CHECK IR OF PREAMP AND VCC OF PREAMP IC IF01 CHECK REPLACE 2 nd PIN OF I701 ABNORMAL ABNORMAL NORMAL NORMAL REPLACE BATTERY REPL...

Page 77: ...DAEWOO ELECTRONICS CORP PRINTED DATE 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA JULY 2005...

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