Daewoo 14A5 Wartungshandbuch

Service Manual37 Cm MONO Colour Television CHASSIS : CP-375MODEL :14A5

12DW5255M*(Micro-controller & West/East Teletext Decoder) DW5255RM*(Micro-controller & Cyrillic Teletext Decoder)=SDA5255-A*** (SIEMENS Type N

• Controller:- 8 bit configuration- 18 MHz internal clock- 0.33 us instruction cycle- eight 16-bit data pointer registers (DPTR)- two 16-bit timers- w

14DW370M* (Micro-controller for Non-Teletext Model)=TMS370C08A05 ( TI Type No.)=TMS370P08A05 (OTP device)(1) General DescriptionThe TMS370C08A05 devic

- 2 S/W Programmable Interrupt Levels - 2 External Interrupt (1 Non-Maskable)- Programmable Rising or Falling Edge Detect• 09 CMOS Compatible I/O Pins

(4) Pin Description* A : DW5255M*/DW5255RM*, B : DW370M*Pin Name Symbol DescriptionA* B* A* B1 1 P3.1 T1IC1/CR SYS SECAM-L’ OUT for switching SAW f

Pin Name Symbol DescriptionA* B* A* B26 FIL2 FIL2 PLL Loop Filter I/O for TTX Slicing27 FIL1 FIL1 PLL Loop Filter I/O for VPS Slicing28 VCCA VCCA Anal

CAT24C08P (E2PROM)(1) Typical Features• IC Bus compatible• Low power CMOS Technology• 16 Byte page write Buffer• Self-Timed Write cycle with Auto-Clea

TDA8374A (Single chip TV Processor for Negative modulation IF ) TDA8374 (Single chip TV Processor for Negative & positive modulation IF)(1) Gener

2SpecificationsCRT A34JLL90X01,A34EAC01X06,A34EFU13X01(OEC) (PHILIPS) (POLKOLOR) System C14M7E : PAL-B

20(3) Block Diagram

(4) Pin DescriptionNo Name Description1 SOUND IF INPUT The sound equivalent input impedance is 8k5 ohm // 5pF which has to betaken into account for pr

22No Name Description A voltage detection circuit is connected to both pins.- pin12 if V12 <6.8V than a power on reset, POR, is generated. The Hout

No Name Descriptionto the luminance input pin 27.The pin is internally AC coupled to the luminance clamp via a capacitor of 50pF; clamping action occu

24No Name DescriptionA flash protection becomes active when this pin is forced >6V. The horizontal drive is switched-off immediately.Once the volta

25TDA4665(Base Band Delay Line)(1) Features• Two comb filters, using the switched-capacitor technique,for one line delay time (64µs)• Adjustment free

26TDA8395 (Secam Decoder)(1) FeaturesFully integrated filtersAlignment freeFor use with baseband delay(2) DescriptionThe TDA8395 is a self-calibrating

TDA6106Q ( Video Output Amplifier )(1) General DescriptionThe TDA6106Q is a monolithic video output amplifier (5MHz bandwidth) in a SIL 9 MPpackage, u

STV8225 ( AM SIF Circuit )(1) General DescriptionThe STV8225 is intended for the demodulation of the AM sound of the L standard.(2) Feature• sound AM

TDA8356 (DC-coupled vertical deflection circuit)(1) General DescriptionThe TDA8356 is power circuit for use in 90 and 110 color deflection systems for

3Safety InstructionWARNING: Only competent service personnel may carry out work involving the testing or repair ofthis equipment.1. Excessive high vol

(4)Pin DescriptionPIN DESCRIPTION1 n.c.2Vp3 input (+)4 signal ground5 n.c.6 output (+)7 power ground8 output (-)9 n.c.30TDA7056 (BTL AUDIO OUTPUT AMPL

STR-S5707 (Hybrid IC for a Switching Regulator)(1) General DescriptionThe STR-S5707 is a Hybrid IC with a built in power transistor and a separate exc

32Description Terminal Symbol Rating UnitMIN TYP MAX On-state Voltage 9-2 VIN(ON)7.6 8 8.4 VOff-state Voltage 9-2 VIN(OFF)4.6 4.9 5.2 VOperating Circu

TDA8138 (5.1V+12V regulator with Disable and Reset)(1) General DescriptionThe TDA8138 is a monolithic dual positive voltage regulator designed to prov

34GMS30112-R098 (4-bit Single Chip Microcomputer for Remote control)(1) General DescriptionThe GMS30112-R098 is 4-bit single chip CMOS microcomputer.(

(4) Pin DescriptionPIN SYMBOL DESCRIPTION1,2,3,4 K0,K1,K2,K3 4 bit input port with built in pull up resistor5,6,7,8,9,10 D0,D1,D2,D3,D4,D5 10 bit outp

36Vision IF amplifier, AFC, video demodulator The IF signal from the tuner is fed through a SAW filter to the differential IF input (pin 48 and 49). T

This compensates for the storage time of the horizontal deflection transistor.The - 2 loop filter (C) is externally connected to pin 42. The horizont

38Integrated video filters The TDA8374 has alignment-free internal luminance delay, chroma bandpass and chroma trap. They are implemented as gyrator c

TDA8395 SECAM decoderThe TDA8395 is an alignment-free SECAM colour decoder, including a Cloche filter, demodulator and line identification circuit. Th

4Circuit block Diagram

40The R-Y and B-Y colour difference signals (from TDA8374 pins 30 and 29) are AC-coupled and clamped by the input stages at pins 16 and 14. An interna

This is connected via resistor to +8V. As the beam current increase, the voltage on line BeamCurr decreases.BeamCurr is damped by a integration filter

42When the power transistor turns off and a voltage higher than VTH2 is applied to the INH terminal, C3 immediately discharges and then starts chargin

Although it basically functions as protection of VIN terminal against over-voltage, since VIN terminal is usually suppliedfrom the drive winding of

LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKZZ100 48BRM01A01TRANSMITTER REMOCONRM-01A0100030 47P7500001 BATTERY AAM 1.5VZZ131 58G0000084 COIL DEGA

45LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKC412 CEXF2C339V C ELECTRO 160V RSS 3.3MF (8X16) TPC414 CCXB2H471K C CERA 500V B 470PF K (TAPPING)C41

LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKC533 CCZB1H102K C CERA 50V B 1000PF K (AXIAL)C604 CCZB1H221K C CERA 50V B 220PF K (AXIAL)C605 CZSL1H56

47LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKC712 CEXF1H470V C ELECTRO 50V RSS 47MF (6.3X11) TPC713 CCXF1H103Z C CERA 50V F 0.01MF Z (TAPPING)C71

LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKC908 CCXB1H561K C CERA 50V B 560PF K (TAPPING)C909 CCXB1H561K C CERA 50V B 560PF K (TAPPING)C911 CCYB3

49LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKD802 D1S1888—- DIODE 1S1888 (TAPPING)D803 D1S1888—- DIODE 1S1888 (TAPPING)D804 D1S1888—- DIODE 1S188

LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKJ022 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATINGJ023 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATI

51LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKJ074 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATINGJ075 85801065GY WIRE COPPER AWG22 1/0.65 TIN COA

LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKJ131 85801065GY WIRE COPPER AWG22 1/0.65 TIN COATINGJH01 4859102130 JACK EARPHONE YSC-1537JP06 8580106

53LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKP904 4859262120 CONN WAFER YFW800-01P906 4859275220 CONN WAFER YF254-05R (ANGLE)PA601 4850703S03 CON

LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKR309 RD-AZ223J- R CARBON FILM 1/6 22K OHM JR310 RD-4Z473J- R CARBON FILM 1/4 47K OHM JR311 RD-AZ472J-

55LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKR521 RD-AZ513J- R CARBON FILM 1/6 51K OHM JR524 RD-AZ303J- R CARBON FILM 1/6 30K OHM JR525 RD-AZ121J

LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKR623 RD-4Z221J- R CARBON FILM 1/4 220 OHM JR624 RD-AZ303J- R CARBON FILM 1/6 30K OHM JR639 RD-AZ222J-

57LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKR745 RD-AZ103J- R CARBON FILM 1/6 10K OHM JR746 RD-AZ272J- R CARBON FILM 1/6 2.7K OHM JR748 RD-AZ622

LOC. PART-CODE PART-NAME PART-DESCRIPTION REMARKR909 RD-4Z104J- R CARBON FILM 1/4 100K OHM JR911 RC-2Z152J- R CARBON COMP 1/2 1.5K OHM JR912 RC-2Z152J

59Difference of Parts for CRT NO LOC NAME 14” OEC 14” Polkolor 14” PHILPS1 V901 CRT BARE A34JLL90X A34EFU13X01 A34EAC01X48A96414P1 4859606640 4859606

60Difference of Parts for SystemNO LOC NAME C14M7E C14T7L, C14M7L C14T7B, C14M7B C14M7F1 PWC1 POWER CORD AS CW4232 CW3222 CW3222 CW42324859903110 4859

661NO LOC NAME C14M7E C14T7L, C14M7L C14T7B, C14M7B C14M7F33 RL03 R C-FILM - - - 1/6W 2.2KRD-AZ222J-34 RL04 R C-FILM - - - 1/6W 10KRD-AZ103J-35 RL05

62Difference of parts for Option-Teletext optionOption I701 X701 C719TTX - West Europe DW5255M* 18MHz 50V EU 0.33uFNon - TTX DW370M* 20MHz --A