Daewoo Super Vision 14A5 Manuel utilisateur

Specifications

CRT A34JLL90X01,A34EAC01X06,A34EFU13X01

(OEC) (PHILIPS) (POLKOLOR)

System C14M7E : PAL-B/G for West Europe (Non-TXT)

C14M7F : PAL-B/G, SECAM-L for France (Non-TXT)

C14T7B : PAL- I for U.K (TXT)

C14M7B : PAL- I for U.K (Non-TXT)

C14T7L : PAL - I/I for Ireland (TXT)

C14M7L : PAL - I/I for Ireland (Non-TXT)

Main Voltage 230V AC, 50Hz

Power Consumption Stand-by mode : 8 Watts

Normal operating mode : 39Watts

Sound output 1.5 Watts, 10 % THD at RF 60 % mod.

Speaker 3W 16 ohm x 1 EA

Antenna 75 ohm unbalanced input

Impedance

Tuning system VS( voltage synthesis ) tuning

Tuner 3303KHC (C14M7E, C14M7F, C14T7L, C14M7L)

BAND I : CH2 - CH4

BAND III : CH5 - CH12

CABLE BAND : S1’ - S3’ , S1 - S20

HYPER BAND : S21 - S41

BAND IV, V : CH21 - CH69

DT2-IV17D (C14T7B, C14M7B )

BAND IV, V : CH21 - CH69

Number of 70 programs

program

Aux. Terminal 21 pin EURO-SCART jack

( AV input, TV output, RGB input, S-VHS input )

RCA type AV input jack

Headphone jack (3.5 mm )

Remote controller RM-01A01 with 2 “AA” type batteries

Teletext 8 pages memory TOP & FLOF

(option) : English, German/Dutch/Flemish, French, Italian,

Spanish/Portuguese, Swedish/Finnish/Danish, Czech/Slovak

OSD language -TXT Model : English,French,German,Italian,Spanish

-Non-TXT Model : English,French,German,Italian,Spanish, Russian

Safety Instruction

WARNING: Only competent service personnel may carry out work involving the testing or repair of

this equipment.

1. Excessive high voltage can produce potentially

hazardous X-RAY RADIATION.To avoid such

hazards, the high voltage must not exceed the

specified limit. The nominal value of the high

voltage of this receiver is 22-23 at max beam

current. The high voltage must not, under any

circumstances, exceed 27.5 .

Each time a receiver requires servicing, the high

voltage should be checked. It is important to use

an accurate and reliable high voltage meter.

2. The only source of X-RAY Radiation in this TV

receiver is the picture tube.For continued X-RAY

RADIATION protection,the replacement tube

must be exactly the same type tube as specified

in the parts list.

1. Potentials of high voltage are present when this

receiver is operating. Operation of the receiver

outside the cabinet or with the back board

removed involves a shock hazard from the

receiver.

1) Servicing should not be attempted by anyone

who is not thoroughly familiar with the

precautions necessary when working on high-

voltage equipment.

2) 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 violently expelled.

2. If any Fuse in this TV receiver is blown, replace it

with the FUSE specified in the Replacement

Parts List.

3. When replacing a high wattage resistor(oxide

metal film resistor)in circuit board, keep the

resistor 10mm away from circuit board.

4.Keep wires away from high voltage or high

temperature components.

5. This receiver must operate under AC230 volts,

50Hz. NEVER connect to DC supply or any other

power or frequency.

Many electrical and mechanical parts in this have

special safety-related characteristics. These

characteristics are often passed unnoticed by a

visual inspection and the X-RAY RADIATION

protection afforded by them cannot necessarily be

obtained by using replacement components rated

for higher voltage,wattage,etc. Replacement parts

which have these special safety characteristics are

identified in this manual and its supplements,

electrical components having such features are

identified by designated symbol on the parts list.

Before replacing any of these components, read the

parts list in this manual carefully. The use of

substitute replacement parts which do not have the

same safety characteristics as specified in the parts

list may create X-RAY Radiation.

X-RAY RADIATION PRECAUTION

PRODUCT SAFETY NOTICE

SAFETY PRECAUTION

Circuit block Diagram

Remark: A service remocon(R-30SVC) is needed to align the set.

1. AFT

1.1 Standard B/G,D/K,I and L

1) Set a Signal Generator with

- RF FREQUENCY = 38.9 MHz,

- RF OUTPUT LEVEL = 80°5 dBuV

- System = PAL / SECAM - B/G,

2) Connect the Signal Generator RF Output to P101 (Tuner IF Output).

There must be no signal input to the tuner.

3) Press the “AFT” KEY and wait until the TV screen display “AFT OK”.

1.2 Standard SECAM-L’ (France VHF-Low)

Above mentioned “1.1” adjustment has to be done in advance.

1) Set a Signal Generator with

- RF FREQUENCY = 34.2 MHz,

- RF OUTPUT LEVEL = 80°5 dBuV

- System = SECAM - L’

2) Connect the Signal Generator RF Output to P101 (Tuner IF Output).

There must be no signal input to the tuner.

3) Press the “L’ AFT” KEY and wait until the TV screen display “L AFT OK”.

2. AGC

1) Set a Pattern Generator with RF LEVEL 63°2 dBuV .

2) Connect a OSCILLOSCOPE PROBE to P101 (TUNER AGC INPUT).

3) Adjust AGC UP/DOWN KEY the voltage drop 1V dc over below its maximum voltage.

Alternative Method

1) Set a Pattern Generator with

- 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 + 50 mVp-p.

3. SCREEN

1) Apply a COLOR BAR pattern signal.

2) Set the CONTRAST, BRIGHTNESS Black level

to MAX, COLOR to MIN.

3) Set the R,G,B LEVEL to CENTER (31/63)

with R,G,B UP/DOWN KEY. 130°5Vdc

4) Connect a OSCILLOSCOPE PROBE

to P906 ( CRT CATHOD R, G, B ).

5) Adjust the SCREEN VOLUME on FBT

such that the highest black level voltage, GND

130°5Vdc.

Alignment Instructions

4. WHITE BALANCE

1) Set the TV to NOR I mode.

2) Set the R,G,B LEVEL to CENTER with R,G,B UP/DOWN KEY .

3) Adjust the R,G,B UP/DOWN KEY of the other color which did not appear

on the screen to obtain WHITE.

5. FOCUS

1) Apply a RETMA PATTERN signal.

2) Adjust the FOCUS VOLUME on FBT to obtain optimal resolution.

6. GEOMETRY

6.1 VERTICAL CENTER

1) Set the TV to NOR I mode.

2) Pressing the V-SIZE UP/DOWN KEY, the

lower half of the screen is blanked.

3) Adjust the border line of blanked picture

coincident with the mechanical center marks

of the CRT using the V-SIZE UP/DOWN KEY.

6.2 VERTICAL SIZE

The VERTICAL CENTER adjustment

has to be done in advance.

1) Apply 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 a RETMA PATTERN signal.

2) Adjust the lower part of the picture

with the V-SLOPE UP/DOWN keys.

6.4 VERTICAL S-CORRECTION

1) Apply a CROSSHATCH PATTERN signal.

2) Adjust the S-COR UP/DOWN KEY to obtain

the same distance between horizontal lines.

6.5 HORIZONTAL CENTER

1) Apply a RETMA PATTERN signal.

2) Adjust picture centering with CENTER

LEFT/RIGHT keys.

If EEPROM (I703) has been changed ;

- Option data has to be changed and

- all alignment function has to be readjusted .

Option

Initial state C14M7F C14T7B C14M7E

C14M7B C14T7L

C14M7L

(Blank EEPROM) (FRANCE) ( U.K ) (OTHERS)

AV AV2 AV2 AV2 AV2

BAND 3 BAND 3 BAND 1 BAND 3 BAND

FRANCE OFF ON OFF OFF

ATS ON ON ON ON

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 = 00/64

- AGC = 10/64

Service Remocon

DW5255M*(Micro-controller & West/East Teletext Decoder)

DW5255RM*(Micro-controller & Cyrillic Teletext Decoder)

=SDA5255-A*** (SIEMENS Type No.)

(1) General Description

The TDA5255 contains a slicer for VPS and TTX, an accelerating acquisition hardware module, a display

generator for “LEVEL 1” TTX data and a 8 bit u-controller running at 333 nsec cycle time.

The controller with dedicated hardware guarantees flexibility, does most of the internal processing of TTX

acquisition , transfers data to/from the external memory interface and receives/transmits data via I2C and

UART user interfaces.

The Slicer combined with dedicated hardware stores TTX data in a VBI 1Kbyte buffer.

The u-controller firmware does the total acquisition task ( hamming- and parity -checks,

page search and evaluation of header control bits) once per field.

(2) Feature

•

Acquisition:

- feature selection via special function register

- simultaneous reception of TTX and VPS

- fixed framing code for VPS and TTX

- programmable framing code window for TTX

- Acquisition during VBI

- direct 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 special function register

- 50/60 Hz display

- level 1 serial attribute display pages

- blanking and contrast reduction output

- 8 direct addressable display pages

- 12 x 10 character matrix

- 96 character ROM (standard G0 character set)

- 143 national option characters for 11 languages

- 288 characters for X/26 display

- 64 block mosaic graphic characters

- 32 free addressable characters for OSD in expanded character ROM + 32 inside OSD box

- double height (TOP/BOTTOM)

- conceal/reveal

- transparent foreground/background -inside/outside of a box

- cursor (colour changes from foreground to background colour)

- flash (flash rate 1s)

- programmable horizontal und vertical sync delay

- hardware assisted fast display page erase

- full screen background colour in outer screen

•

Synchronization:

display synchronization to sandcastle or Horizontal Sync (HS) and Vertical Sync (VS) with startstop-oscillator or

display synchronization to sandcastle or Horizontal Sync and Vertical Sync with external clock

independent clock systems for acquisition, display and controller

IC Description

•

Controller:

- 8 bit configuration

- 18 MHz internal clock

- 0.33 us instruction cycle

- eight 16-bit data pointer registers (DPTR)

- two 16-bit timers

- watchdog timer

- serial interface (UART)

- 256 bytes on-chip RAM

- 1 Kbyte on-chip extended RAM (access via MOVX)

- 8 Kbyte 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 with open drain output and optional I2C emulation

- two 8-bit multifunctional I/O ports

- one 4-bit port working as digital or analog inputs

- one 2-bit I/O port with optional address latch enable function

•

P-SDIP 52 package

•

5 V supply voltage

(3) Block Diagram

DW370M* (Micro-controller for Non-Teletext Model)

=TMS370C08A05 ( TI Type No.)

=TMS370P08A05 (OTP device)

(1) General Description

The TMS370C08A05 devices are members of the cMCU370 family single-chip microcontrollers.

The cMCU370 family provides cost effective real-time system control through use of the PRISM methodology.

The PRISM methodology modular fabrication process integrates analog, digital, linear and power technologies on a

single chip, thereby maximizing the total integration strategy.

The TMS370C08A05 devices are designed with the high-performance 8-bit TMS370C8 CPU.

Features of the ‘C8 CPU and system module as implemented on this device include three CPU registers (stack

pointer, status register, and the program counter), two external interrupts, reset, memory mapped control registers.

(2) Feature

•

Internal Memory Configurations

- 16K-Byte ROM Program Memory

- 512-Byte RAM

•

Operating Features

- Supply Voltage (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 Purpose Timer(T8A)

Each Includes:

- 16-Bit Resettable Counters with individual 8-Bit Prescaler

- 2 PWM Channels or

- 2 Input Captures or

- 1 Input Capture and 1 PWM Channel

•

One 14-Bit PWM Module

- 14-Bit Resettable Counters

- 14-Bit PWM Output Port

•

One 8-Bit PWM Module

- 8-Bit Resettable Counters

- 8-Bit PWM Output Port with 12V Open Drain

•

OSD Module

- Blanking/ Contrast reduction out

- Transparent Background

- Transparent Foreground

- Full Screen Background Color

- Controlled Color, Blink, Size, Smoothing, Fringe of Each lines of Character

- Two size of different Font 12x10 and 12x18 by Hard Masking

- OSD Window Display with 40x25 lines

•

8-Bit A/D Converter With 3 Inputs

- Single or Dual Channel Operation

- Single or Continuous Conversion Modes

•

Flexible Interrupt Handling

- Global and Individual Interrupt Masking

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