Daewoo Super Vision 14Q1 Service Manual Download

Page: 50 / 77

LOC.

PART-CODE

PART-NAME

PART TYPE

REMARK

I901

1TDA6106Q-

IC AMP

TDA6106Q

I902

1TDA6106Q-

IC AMP

TDA6106Q

I903

1TDA6106Q-

IC AMP

TDA6106Q

JA01

WP-1BK1715

WIRE LEAD 1007

AWG22 1/0.65 BK 5-170-5

JA02

WP-1BK1715

WIRE LEAD 1007

AWG22 1/0.65 BK 5-170-5

JV03

4859104250

JACK PIN BOARD

YSC-0406(YW+YW+RD+RD)

L102

58C9780027

COIL CHOKE

TRF-1201B (0.97 UH)

L405

58H0000016

COIL H-LINEARITY

L-102 (102UH)

L603

58C9430599

COIL CHOKE

AZ-9004Y(94MH)

L801

5PLF20A1—

FILTER LINE

LF-20A1

L803

58C9430599

COIL CHOKE

AZ-9004Y(94MH)

M352

97P2316600

HOLDER AC CORD

NYLON66 UL/CSA

M353

4853530901

HOLDER LED

HIPS BK

M681

4856812001

TIE CABLE

NYLON66 DA100

M791

4857913302

RUBBER CUSHION

FR RUBBER SPONGE

PA501

4850706S02

CONN AS

YH025-06+ULW=400

PA502

4850704S04

CONN AS

YH025-04+ULW=400

PWC1

4859902910

CORD POWER AS

TUBE=2100

A000

4859901111

CORD POWER

KKP-419C KLCE-2F (2.1ME)

P401

4859240020

CONN WAFER

YFW500-05

P801

4859242220

CONN WAFER

YFW800-02

P802

4859242220

CONN WAFER

YFW800-02

P904

4859275220

CONN WAFER

YF254-05R (ANGLE)

P905

4859262120

CONN WAFER

YFW800-01

Q402

T2SD2499—

2SD2499

Q402A

4857027200

HEAT SINK

AL T1.0

Q402B

7174301011

SCREW TAPPTITE

TT2 RND 3X10 MFZN

R801

DEC140M290

POSISTOR

ECPCC140M290

R803

RX10B339JN

R CEMENT

10W 3.3 OHM J BENCH 4P

SCT1

4859303030

SOCKET CRT

ISMM03S

SF101

5PK6259K—

FILTER SAW

K6259K

SW01

5S50101008

SW TACT

KPT-1105V 1C-1P

SW02

5S50101008

SW TACT

KPT-1105V 1C-1P

SW03

5S50101008

SW TACT

KPT-1105V 1C-1P

SW04

5S50101008

SW TACT

KPT-1105V 1C-1P

SW05

5S50101008

SW TACT

KPT-1105V 1C-1P

SW801

5S40101143

SW PUSH

PS3-22SP (P.C.B)

TU01

4859709230

TUNER VARACTOR

VTSS7SZ3

TU01A

4859101820

JACK ANT

JACK-D1

T401

50D10A2—-

TRANS DRIVE

TD-10A2

T402

50H0000177

FBT

HST1142.5057

T801

50M4242A5-

TRANS SMPS

TSM-4242A5

X701

5XE20R000E

CRYSTAL QUARTZ

HC-49/U 20.000MHZ 30PPM

Summary of Contents for Super Vision 14Q1

Page 1: ...Service Manual 38 48 51 Cm Mono Colour Television CHASSIS CP 370 MODEL 14Q1 20Q1 21Q1 14Q2 20Q2 21Q2 14Q3 20Q3 21Q4 14T1 20T1 21T1 14T2 20T2 21T2 14T3 20T3 DAEWOO ELECTRONICS CO LTD...

Page 2: ...4 IC Description 7 Circuit Description 31 PCB Layouts PRINTED CIRCUIT BOARDS 38 SCHEMATIC DIAGRAM 39 Trouble Shooting Charis 40 Important IC Voltage Charts 47 Electrical Part List 49 Q Model T Model D...

Page 3: ...uning System Memory channel VM 100 channels TM 70 channels Reception VHF L CH2 CH4 channel Unit VHF H CH5 CH12 Cable Band CHS1 CHS3 CHS1 CHS20 Hyper Band CHS21 CHS40 option UHF CH21 CH69 Remote contro...

Page 4: ...e shock hazard 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 broken glass fragments will be viol...

Page 5: ...h RF LEVEL 80 5 dBuV PAL CROSSHATCH without SOUND CARRIER 2 Connect a OSCILLOSCOPE Bandwidth 100MHz PROBE to P101 TUNER IF OUTPUT 3 Use AGC UP DOWN KEY to obtain an envelop amplitude 200 20 mVp p 3 SC...

Page 6: ...a RETMA PATTERN signal 2 Set the TV to NOR I mode 3 Adjust the upper part of the picture with the V SIZE UP DOWN keys 6 3 VERTICAL SLOPE The VERTICAL SIZE adjustment has to be done in advance 1 Apply...

Page 7: ...Option data has to be changed and all alignment function has to be readjusted The initial state of adjustment are as follows V Center V Slope V Size H Center R G B AFT Center 30 64 33 64 S Correction...

Page 8: ...VCC 5 V 10 Input Clock Frequency 2 20MHz Industrial Temperature Range Device Integrity Features Address Out of Range Reset Stack Overflow Reset Parallel Signature Analysis CRC Two 16 Bit General Purpo...

Page 9: ...8 09 CMOS Compatible I O Pins All Peripheral Function Pins Software Configurable for Digital I O 6 Bidirectionals 3 Input Pins Plastic 42 YSDP Pins Package 3 Block Diagram...

Page 10: ...access to VBI RAM buffer Acquisition of packets x 26 x 27 8 30 firmware assistance of all relevant checks firmware 1 bit framing code error tolerance switchable Display features selectable via specia...

Page 11: ...te on chip ACQ buffer RAM access via MOVX 6 channel 8 bit pulse width modulation unit 2 channel 14 bit pulse width modulation unit 4 multiplexed ADC inputs with 8 bit resolution one 8 bit I O port wit...

Page 12: ...eception pulse 10 10 VSS VSS ground 11 11 VCC VCC Power Supply 12 12 XTAL1 OSCIN OSCIN Input to inverting osc Amplifier 13 13 XTAL2 OSCOUT OSCOUT Output of inverting osc Amplifier 14 14 P4 0 ALE PWM1...

Page 13: ...r OSD 39 29 LCOUT OSCOUT OSD LCOUT CLOCK OUT for OSD 40 30 P3 7 TXT I O T2EVT PWM2 BL BAND VHF L OUT Active High 41 31 P3 6 RXD T2IC2 PWM1 BH BAND VHF H OUT Active High 42 32 P3 5 T1 T2IC1 CR BU BAND...

Page 14: ...ARRAY 4X256X8 PAGE LATCHES SENSE AMP R W CONTROL HV GENERATOR YDEC Single supply with operation down to 2 5V Low power CMOS technology 1mA active current typical 10 A standby current typical at 5 5V 5...

Page 15: ...CAM interface for application with SECAM add on TDA8395 RGB RGB control brightness contrast saturation Black current stabilization and white point adjustment Input Output Flexible video source select...

Page 16: ...15 3 Block Diagram...

Page 17: ...ow it is recommended to avoid high frequency current in the output due to for instance sound trap filters This can be achieved by means of an emitter follower at the video output with a 1 resistor in...

Page 18: ...he RGB outputs are supplied to the video output stages from pins 21 20 20 GREEN OUTPUT and 19 respectively 21 RED OUTPUT For nominal signals i e CVBS S VHS R Y R Y TXT inputs and for nominal control s...

Page 19: ...n 35 is not used then it is left open in application also XA XB O 1 36 LOOP FILTER One of the important aspects of the PLL is the 1oop filter connected to pin 36 BURST PHASE it influences the dynamic...

Page 20: ...d SAW filters A DC coupling is allowed so no series capacitors between SAW filter and IF input are necessary 50 EHT OVERVOLTAGE not used PROTECT INPUT 51 VERT This pin requires a capacitor to ground o...

Page 21: ...Comb filtering functions for NTSC colour difference signals to suppress cross colour 2 General Description The TDA4661 is an integrated baseband delay line circuit with one line delay It is suitable...

Page 22: ...level sandcastle pulse for blanking and burst gating 3 Block Diagram BANDGAP TUNING TUNING ACC CLOCHE FILTER PLL DE EMPHASIS INTERFACE CONTROL IDENT IFICATION OUTPUT STAGE CLOCHEref PLLref GND 220 nF...

Page 23: ...Feature Black current measurement output for automatic black current stabilization ABS Single supply voltage of 200V Internal protection against positive appearing CRT flash over discharge Protection...

Page 24: ...ut Reverse voltage VR 6 V Power dissipation P 70 mW Collector emitter voltage VCEO 35 V Output Emitter collector voltage VECO 6 V Collector current IC 50 mA Collector power dissipation Pc 150 mW Total...

Page 25: ...k switch Guard circuit Protection against short circuit of the output pins 7 and 4 short circuit of the output pins to Vp Temperature thermal protection High EMC immunity because of common mode inputs...

Page 26: ...R MODEL 1 Features No external components No switch on off clicks Good overall stability Low power consumption Short circuit proof ESD protected on all pins 2 General Description The TDA7056 is a mono...

Page 27: ...y pulse over current protection Over voltage protection with a latch Thermal protection with a latch These protection functions are incorporated and can be latched with an external signal 3 Block Diag...

Page 28: ...8 V OVP Operating Voltage 9 2 VIN OVP 9 2 10 7 V Latch Circuit Sustaining Current 9 2 IH 500 A Latch Circuit Cancellation Voltage 9 2 VIN La OFF 2 5 3 1 V MIC Thermal Shutdown Tj TSD 125 150 Starting...

Page 29: ...an be disabled by TTL input Shot circuit and themal protections are included 2 Feature output currents up to 1A ixed precision Output 1 voltage 5 1V 2 fixed precision Output 2 voltage 12V 2 output 1 w...

Page 30: ...ternal components for Bridge Tied Load BTL Stereo ot BTL application High output power Low offset voltage at output important for BTL Fixed gain Good ripple rejection Mute stand by switch Load dump pr...

Page 31: ...l unit for a wide range of applications 3 Pin Description PIN SIGNAL DESCRIPTION 3 P00 2 P01 23 P02 22 P03 Standard I O Port lines generally used for keypad scanning 10 P04 11 P05 14 P06 15 P07 19 P10...

Page 32: ...rrier sound IF input pin 1 An alignment free PLL tunes itself to the sound carrier and demodulates it The non volume controlled front end audio signal can be obtained from the deemphasis pin 55 amplit...

Page 33: ...rs are adjusted via the I2C bus The deflection processor of the TDA8374 offers the fo11owing five controls Horizontal shift Vertical slope Vertical amplitude Vertical S correction vertical shift Colou...

Page 34: ...at a very small gun current This black current of the three guns is measured internally and compared with a reference current to adjust the black level of RGBout The black level 1oop is active during...

Page 35: ...8395 output pin 9 and 10 are switched on These outputs will be disconnected and high ohmic when no SECAM is detected for two frame periods the decoder will be initialized before trying again Base band...

Page 36: ...DA8374 are amplified in the horizontal drive circuit to get sufficient base drive current for the high voltage switching transistor Q401 During the horizontal scan period 52 s Q401 will conduct and a...

Page 37: ...de power supply is performed by changing both ON time and OFF time except when the load is light ex remote control stand by mode of TVs The ON time is controlled by changing a current charged by C1 wh...

Page 38: ...tion or an external signal input is provided for about 10 sec or longer In addition even after the latch circuit start operating the constant voltage regulator Reg circuit is in operation and the circ...

Page 39: ...X4 R803 10W 3 3OHM CHECK REPLACE I801 STR S5707 PERIPHERAL COMPONENT CHECK REPLACE I804 PC817 D812 BYW 95C R814 2W 56K CHECK POWER SWITCHING VOLTAGE AT PIN 43 OF I701 POWER ON HIGH STAND BY LOW CHECK...

Page 40: ...IN 31 PIN 32 OF I501 CHECK REPLACE I501 CHECK WAVEFORM AT PIN 19 20 21 OF I501 CHECK REPLACE I502 TDA4665 I503 TDA8395 CHECK VIDEO SIGNAL AT CATHOD OF CRT REFER TO WAVEFORM CHECK SIGNAL AT PIN 18 OF I...

Page 41: ...56 CHECK SIGNAL AT PIN1 PIN2 OF I301 REFER TO WAVEFORM CHECK REPLACE D401 BYV95C D409 BYV95C R303 1W 15K CHECK REPLACE R304 R305 C304 R307 CHECK SIGNAL AT PIN7 OF I301 CHECK REPLACE CRT CHECK OUTPUT W...

Page 42: ...REPLACE X501 4 43MHz X TAL X502 3 58MHz x tal REFER TO NO PICTURE CHART CHECK SIGNAL AT PIN31 PIN32 OF I501 CHECK SIGNAL AT PIN19 20 21 OF I501 CHECK VIDEO SIGNAL AT CATHOD OF CRT REFER TO WAVEFORM CH...

Page 43: ...N6 OF I501 REFER TO WAVEFORM CHECK REPLACE R619 C602 Q604 D605 Q606 I701 CHECK REPLACE TUNER SAW FILTER Q101 Q102 PERI COMP CHECK VOLTAGE Vcc 15Vdc AT PIN2 TDA7056 AT PIN7 TDA1519B CHECK AUDIO OUTPUT...

Page 44: ...501 NORMAL ABNORMAL ABNORMAL CHECK HORI VER SYNC AT PIN46 45 OF I701 RESPECTIVELY CHECK REPLACE Q301 Q302 VER SYNC D401 R414 HORI SYNC CHECK OSD R G B SIGNAL BLANKING SIGNAL AT PIN 47 48 49 50 OF I701...

Page 45: ...ECK PULSE AT COLLECTOR OF Q1 TRANSMITTER BOARD CHECK REPLACE Q1 LED1 TRANSMITTER BOARD CHECK IC1 DHR 001S CHECK REPLACE X1 C1 CHECK REPLACE I704 TFMU5380 CHECK PULSE AT PIN36 OF I701 CHECK REPLACE I70...

Page 46: ...point are measured with multimeter I701 com PIN NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 V DC 0 4 7 4 5 4 5 4 7 0 0 0 0 0 4 4 2 0 2 2 0 4 7 option PIN NO 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 V D...

Page 47: ...38 39 40 41 42 V DC 1 7 1 7 4 0 4 0 1 6 2 6 2 6 4 6 8 0 3 4 6 0 3 0 0 4 8 PIN NO 43 44 45 46 47 48 49 50 51 52 53 54 55 56 V DC 4 0 G 8 0 2 3 2 3 4 2 4 2 0 3 9 4 0 3 7 3 4 3 2 4 7 PIN NO 1 2 3 4 5 6 7...

Page 48: ...1015 1P ZZ140 PTCACAA499 CABINET AS DTC 14Q1VM M191 4851924401 BUTTON CTRL AS 4933001 5530400 M201A 4856013300 SCREW CRT FIXING AS 30X80 BK M201B 4856214900 WASHER RUBBER TMR CA M201C 4856013301 SCRE...

Page 49: ...RA 2KV B 4700PF K D103 D1S2186 DIODE 1S2186 D601 D1S2186 DIODE 1S2186 D706 DKLR114L LED KLR114L D812 DBYW95C DIODE BYW95C TAPPING F801 5FSGB4022L FUSE GLASS TUBE SEMKO TL 4A 250V MF51 I301 1TDA8356 IC...

Page 50: ...419C BL102NG TUBE 2100 A000 4859901111 CORD POWER KKP 419C KLCE 2F 2 1ME P401 4859240020 CONN WAFER YFW500 05 P801 4859242220 CONN WAFER YFW800 02 P802 4859242220 CONN WAFER YFW800 02 P904 4859275220...

Page 51: ...172S CONN WAFER YW025 04 STICK P601 485923162S CONN WAFER YW025 03 STICK R303 RS01Z153J R M OXIDE FILM 1W 15K OHM J TAPPING R307 RS02Z271J R M OXIDE FILM 2W 270 OHM J TAPPING R408 RS02Z561J R M OXIDE...

Page 52: ...1 TP C503 CMXM2A223J C MYLAR 100V 0 022MF J TP C504 CMXM2A223J C MYLAR 100V 0 022MF J TP C505 CEXF1E101V C ELECTRO 25V RSS 100MF 6 3X11 TP C506 CMXM2A473J C MYLAR 100V 0 047MF J TP C508 CMXM2A473J C M...

Page 53: ...02K C CERA 1KV B 1000PF K TAPPING C820 CCXB2H471K C CERA 500V B 470PF K TAPPING C822 CCXB2H471K C CERA 500V B 470PF K TAPPING C824 CEXF1E101V C ELECTRO 25V RSS 100MF 6 3X11 TP C826 CEXF1E470V C ELECTR...

Page 54: ...TER CERA TPS 4 5MB TRAP TAPPING Z502 5PXPS5R5MB FILTER CERA TPS5 5MB TF21 TP Z601 5PXFSH5R5M FILTER CERA SFSH5 5MCB TF21 TP Z602 5PXFSH6R5M FILTER CERA SFSH6 5MCB TF21 TP Z603 5PXFSH4R5M FILTER CERA S...

Page 55: ...Z C CERA 25V F 0 022MF Z AXIAL C524 CBZF1H104Z C CERA SEMI 50V F 0 1MF Z AXIAL C528 CCZF1E103Z C CERA 25V F 0 01MF Z AXIAL C601 CCZB1H102K C CERA 50V B 1000PF K AXIAL C605 CZSL1H560J C CERA 50V SL 56P...

Page 56: ...D1N4148 DIODE 1N4148 TAPPING D507 D1N4148 DIODE 1N4148 TAPPING D508 D1N4148 DIODE 1N4148 TAPPING D510 D1N4148 DIODE 1N4148 TAPPING D602 D1N4148 DIODE 1N4148 TAPPING D603 D1N4148 DIODE 1N4148 TAPPING...

Page 57: ...FILM 1 6 120K OHM J R101 RD AZ470J R CARBON FILM 1 6 47 OHM J R102 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R103 RD AZ122J R CARBON FILM 1 6 1 2K OHM J R104 RD AZ122J R CARBON FILM 1 6 1 2K OHM J R105...

Page 58: ...CARBON FILM 1 4 1K OHM J R418 RD AZ393J R CARBON FILM 1 6 39K OHM J R421 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R501 RD AZ102J R CARBON FILM 1 6 1K OHM J R502 RD AZ101J R CARBON FILM 1 6 100 OHM J R5...

Page 59: ...6 5 6K OHM J R604 RD AZ681J R CARBON FILM 1 6 680 OHM J R605 RD AZ270J R CARBON FILM 1 6 27 OHM J R606 RD AZ391J R CARBON FILM 1 6 390 OHM J R607 RD AZ221J R CARBON FILM 1 6 220 OHM J R608 RD AZ102J R...

Page 60: ...4 7K OHM J R735 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R736 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R737 RD AZ472J R CARBON FILM 1 6 4 7K OHM J R738 RD AZ222J R CARBON FILM 1 6 2 2K OHM J R739 RD AZ22...

Page 61: ...1 2 5 6M OHM J R901 RD AZ302J R CARBON FILM 1 6 3K OHM J R902 RD AZ302J R CARBON FILM 1 6 3K OHM J R903 RD AZ302J R CARBON FILM 1 6 3K OHM J R904 RD AZ202J R CARBON FILM 1 6 2K OHM J R905 RD AZ202J R...

Page 62: ...LM 1 4 220 OHM J R628 RD AZ221J R CARBON FILM 1 4 220 OHM J C621 CEXF1E470V C ELECTRO 25V RSS 47MF C623 CEXF1E470V C ELECTRO 25V RSS 47MF P603 4859231725 CONN WAFER YW025 04 STICK PA603 4850704S03 CON...

Page 63: ...EAKER 3W 16 F2035C03 3 7 5W 8 95BF03LC 6 SP02 SPEAKER 95BF03LC 7 P602 CONN WAFER YW025 03 STICK 8 C613 C CERA 25V 0 01 F Z AXIAL 9 J175 J207 J209 WIRE COPPER AWG22 1 0 65 TIN COATING J210 J212 J214 10...

Page 64: ...8 R904 R CARBON 1 6W 2K 1 6W 1 6K 1 6W 1 6K R G B 9 R905 R CARBON 1 6W 2K 1 6W 1 6K 1 6W 1 6K R G B 10 R906 R CARBON 1 6W 2K 1 6W 1 6K 1 6W 1 6K R G B 11 R834 R CARBON 1 4W 3 6K 1 4W 3 3K 1 4W 3 3K 12...

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