Service Manuals, User Guides, Schematic Diagrams or docs for : Daewoo Сhassis SC SC-130 SC-130

<< Back | Home

Most service manuals and schematics are PDF files, so You will need Adobre Acrobat Reader to view : Acrobat Download Some of the files are DjVu format. Readers and resources available here : DjVu Resources
For the compressed files, most common are zip and rar. Please, extract files with Your favorite compression software ( WinZip, WinRAR ... ) before viewing. If a document has multiple parts, You should download all, before extracting.
Good luck. Repair on Your own risk. Make sure You know what You are doing.




Image preview - the first page of the document
SC-130


>> Download SC-130 documenatation <<

Text preview - extract from the document
  TSC130BEF0




September
1
2
2. Specifications

PIN   Signal Designation                Matching Value
1     Audio Out (linked with 3)         0.5Vrms, Imp < 1 k (RF 60% MOD)
2     Audio In (linked with 6)          0.5Vrms, Imp < 10 k
3     Audio Out (linked with 1)         0.5Vrms, Imp < 1 k (RF 60% MOD)
4     Audio Earth
5     Blue Earth
6     Audio in (linked with 2)          0.5Vrms, Imp < 10 k (RF 60% MOD)
7     Blue in                           0.7Vpp + 2dB, Imp 75
                                               -
8     Slow (Function) Switching         TV : 0-2V, PERI : 9.5 - 12V, Imp > 10 k
9     Green Earth
10    NC
11    Green In                          0.7Vpp + 2dB, Imp 75
                                               -
12    NC
13    Red Earth
14    Rapid(Blanking) Switching Earth
15    Red In, C In                      0.7Vpp + 2dB, Imp 75
                                               -
16    Rapid(Blanking) switching         Logic 0 : 0 - 0.4V, Logic 1 : 1 - 3V, Imp 75
17    Video Earth
18    Rapid Blanking Earth
19    Video Out                         1Vpp + 2dB, Imp 75
                                             -
20    Video In, Y In                    1Vpp + 2dB, Imp 75
                                             -
21    Common Earth




                                        3
3. Circuit Block Diagram




                      4
 5. Alignment Instructions
4-1. User Remocon
     RV-22D




TV..........................TXT       TV..............................TXT


                                      PR UP...............PAGE UP

VOLUME........VOLUME
DOWN           DOWN                   VOLUME UP....VOLUME UP
(CURSOR                               (CURSOR
LEFT)
                                      RIGHT)
MENU.................MENU


POWER...........POWER



                                      NORMAL.................Not used
PR.......................PAGE
NUMBER             NUMBER             AV............................Not used
0-9                       0-9
                                      TXT...................................TV


SLEEP............Not used             SOUND MODE.......Not used
                                      MUTE..........................MUTE
Not used.........CANCEL               Not used........................SIZE
Not used.............HOLD             Not used........................SIZE

RECALL.......SUBPAGE                  ZOOM.....................Not used
STILL..............REVEAL             EFFECT..................Not used
Not used.....................R        Not used..............................C
Not used....................G         Not used..............................Y




                                  5
6
7
                                                                                        Alignment Instructions



   4-6-3 VERTICAL SIZE
      * The VERTICAL CENTER adjustment has to be done in advance.
      1) Apply a RETMA PATTERN Signal.
      2) Set the TV to Normal I mode.
      3) Adjust the VERTICAL SIZE of the picture with the select V.size by
         volume UP/DOWN keys.


   4-6-4 VERTICAL S-CORRECTION ( Fixed : Adjust if need be )
      1) Apply a CROSSHATCH PATTERN Signal.
      2) Adjust the S-CORRECTION to obtain the same distance between
         horizontal lines with the S.Curve by volume UP/DOWN keys.


   4-6-5 HORIZONTAL CENTER
      1) Apply a RETMA PATTERN Signal.
      2) Adjust picture centering with the select H.Center by volume UP/DOWN keys.


4-7. EW
    4-7-1 WIDTH
      1) Apply a RETMA PATTERN Signal.
      2) Adjust the horizontal width to make a perfect circle with the select H.Width
         by volume UP/DOWN keys.


   4-7-2 PARA
      1) Apply a CROSSHATCH PATTERN Signal.
      2) Adjust the vertical line to straight with the select E.W Para by volume
         UP/DOWN keys.


   4-7-3 CORNER ( Fixed : Adjust if need be )
      1) Apply a CROSSHATCH PATTERN Signal.
      2) Adjust the vertical line to straight with the select EW.Cor T by volume
         UP/DOWN keys.


   4-7-4 SYMMETRY ( Fixed : Adjust if need be )
      1) Apply a CROSSHATCH PATTERN Signal.
      2) Turn R451 to the maximum left.
      3) Adjust the symmetrical balance to be suitable with the select EW Sym by
         volume UP/DOWN keys.




                                                           8
Alignment Instructions



4-8. WHITE BALANCE
    4-8-1 RGB Reference R
                                                  2
   4-8-2 Beam Reference LOW ( 288, 301 : 10Cd/ m )
                                                   2
                          HIGH ( 288, 301 : 10Cd/ m )

   4-8-3 Adjust G, B Gain with select Menu G,B of BIAS, DRIVE of select Menu so that R, G, B Bars
        are on the center position of the analog meter. If R Analog meter is not on center, control
        the Brightness +/- of user Remocon so as R Analog meter to be on the center position.

4-9. SUB BRIGHT
    4-9-1 Pattern : Retma

   4-9-2 Adjust the SUB BRIGHT with the select Sub Bri by volume UP/DOWN keys.
        so that only H-Center parts of picture can be seen.

4-10. DOUBLE TEXT CENTER
   4-10-1 Pattern : Pattern RED

   4-10-2 Select Menu

   4-10-3 Select DT in SVC menu time to see the Double Text Picture.
         ( Left : RF Picture, Right : Text Picture )

   4-10-4 Change the Double Text control keys volume UP/DOWN keys so that the left edge of text
         picture concur with the right edge of RF picture.




                                                      9
 5. IC description
5-1. ST92195
(1) General Description
1.1 INTRODUCTION                                                    ports enter high impedance mode. A reset is necessary to
The ST92195 microcnontoller is developed and manufac-               exit from Halt mode.
tured by STMicroelecrtonics using a proprietary n-well              1.1.3 I/O Ports
HCMOS process. Its performance derives from the use of              Up to 28 I/O lines are dedicated to digital Input/Output.
a flexible 256-register programming model for ultra-fast            These lines are grouped into up to five I/O Ports and can
context switching and real-time event response. The intel-          be configureed on a bit basis under software control to pro-
ligent onchip peripherals offload the ST9 core from I/O             vide timing, status signals, timer and output, analog inputs,
and data management processing tasks allowing critical              external interrupts and serial or parallel I/O.
application tasks to get the maximum use off core                   1.1.4 TV Peripherals
resources. The ST92195 MCU supports low power con-                  A set of on-chip peripherals form a complete system for TV
sumption and low voltage operation for power-efficient              set and VCR applications:
and low-cost embedded systems.                                      - Voltage Synthesis
1.1.1 ST9+Core                                                      - VPS/WSS Slicer
The advanced Core consists of the Central Processing                - Teletext Slicer
Unit (CPU), the Register File and the Interrupt controller.         - Teletext Display RAM
The general-purpose registers can be used as accumula-              - OSD
tor, Index register, or address pointers. Adjacent register         1.1.5 On Screen Display
pairs make up 16-bit registers for addressing or 16-bit             The human interface is provided by the On Screen Display
processing. Although the ST9 has an 8-bit ALU, the chip             module, this can produce up to 26 lines of up to 80 charac-
handles 16-bit operations, including arithmetic, loads/             ters from a ROM defined 512 character set. The character
stores, and memory/register and memory/memory                       resolution is 10x10 dot. Four character sizes are sup-
exchanges. Two basic memory spaces are available :                  ported. Serial attributes allow the user to select foreground
Program Memory and the Register File, Which includes                and background. Parallel attributes can be used to select
the control and status registers of the on-chip peripherals.        additional foreground and background colors and underline
1.1.2 Power Saving Modes                                            on a character by character basis.
To optimize performance versus power consumption, a                 1.1.6 Teletext and Display RAM
range of operating modes can be dynamically selected.               The internal 8k Teletext and Display storage RAM can be
Run Mode. This is the full speed execution mode with                used to store Teletext pages as well as Display parame-
CPU and peripherals running at the maximum clock                    ters.
speed delivered by the phase Locked Loop(PLL) of the                1.1.7 Teletext, VPS and WSS Data Slicers
Clock Control Unit(CCU).                                            The three on-board data slicers using a single external
Wait For Interrupt Mode. The Wait For Inter-                        crystal are used to extract the Teletext, VPS and WSS
rupt(WFI) instruction suspends program execution until              information from the video signal. Hardware Hamming
an interrupt request is acknowledged. During WFI, the               decoding is provided.
CPU clock is halted while the peripheral and interrupt              1.1.8 Voltage Synthesis Tuning Control
controller keep running at a frequency programmable via             14-bit Voltage Synthesis using the PWM (Pulse Width
the CCU. In this mode, the power consumption of the                 Modulation)/BRM (Bit Rate Modulation) technique can be
device can be reduced by more than 95%(LP WFI).                     used to genetate tuning voltages for TV set applications.
                                                                    The tuning voltage is output on one of two separate output
Wait For Interrupt Mode. The Wait For Inter-
                                                                    pins.
rupt(WFI) instruction, and if the Watchdog is not enable,
the CPU and its peripherals stop operation and the I/O



                                                               10
 IC description



1.1.9 PWM Output                                                  - Rounding, fringe, double width, double height,
Control of TV settings is able to be made with up to eight          scrolling, cursor, full background colour,
8-bit PWM outputs, with a frequency maximum of                      semitransparent mode and reduced intensity colour
23,437Hz at 8-bit resolution(INTCLK=12 MHz). Low reso-              supported
lutions with higher frequency operation can be pro-               Teletext unit, including Data slicer, Acquisition Unit and
grammed.                                                          up to 8K Bytes RAM for Data Storage
1.1.10 Serial Peripheral Interface (SPI)                          VPS and Wode Screen Signalling slicer
The SPI bus is used to communicate with external                  Integrated Sync Extractor and Sync Controller
                         2
devices via the SPI, or I C bus communication stan-               14-bit Voltage Synthesis for tuning reference voltage
dards. The SPI uses one or two lines for serial data and a        Up to 6 external interrupts plus 1 non-maskable inter-
synchronous clock signal.                                         rupt
1.1.11 Standard Timer (STIM)                                      8x8-bit programmable PWM outputs with 5V open-
The Standard Timer includes a programmable 16-bit                 drain or push-pull capability
down counter and an associated 8-bit prescaler with Sin-          16-bit Watchdog timer with 8-bit prescale
gle and Continuous counting modes.                                16-bit standard timer with 8-bit prescaler usable as a
1.1.12 Analog/Digital Converter (ADC)                             Watchdog timer
In addition there is a 3 channel Analog to Digital Con-           3-channel Analog-to-Digital converter ; 6-bit guaran-
verter with integral sample and hold, fast 5.7us conver-          teed
sion timer and 6-bit guaranteed resolution.                       Rich instruction set and 14-Addressing modes
                                                                  Versatile Development Tools, including Assembler,
(2) Feature                                                       Linker, C-compiler, Archiver, Source Level Debugger
   Register File based 8/16 bit Core Architecture with            and Hardware Emulators with Real-Time Operating
   RUN, WFI, SLOW and HALT modes                                  System available from third parties
     O
   0 C to 70O Coperating temperature range                        Piggyback board available for prototyping
   Up to 24 MHz Operation @5V + 10% _
   Minimum instruction cycle time : 375ns at 16MHz inter-
   nal clock
   64K Bytes ROM
   256 Bytes RAM of Register file(accumulator or index
   registers)
   256 Bytes of on-chip static RAM
   8K Bytes of TDSRAM(Teletext and Display RAM)
   56-lead Shrink DIP package
   28 fully programmable I/O pins
   Serial Peripheral Interface
   Flexible Clock controller for OSD, Data Slicer and Core
   clocks running from one single low frequency external
   crystal.
   Enhanced Display Controller with 26 rows of 40/80
   characters
   - Serial and Parallel attributes
   - 10x10 dot Matrix, 512 ROM characters, definable by
     user
   - 4/3 and 16/9 supported


                                                             11
                         IC description



(3) Block Diagram




                    12
 IC description



(4) PIN DESCRIPTION
RESET Reset (input, active low). The ST9+ is initialised          HYNC/CSYNC Horizontal/Composite sync. Horizontal
by the Reset signal. With the deactivation of RESET,              or composite video synchronisation input to OSD. Posi-
program execution begins from the Program memory                  tive or negativety.
location pointed to by the vector contained in program            PXFM Analog pin for the Display Pixel Frequency Multi-
memory locations 00h and 01h.                                     plier
R/G/B Red/Green/Blue. Video color analog DAC out-                 AVDD Analog VDD of PLL. This pin must be tied to
puts                                                              VDD externally to the ST92195.
FB Fast Blanking. Video analog DAC output.                        GND Digital circuit ground.
VOD Main power supply voltage(5V 10%, digital)                    AGND Analog circuit ground(must be tied externally to
WSCF, WSCR Analog pins for the VPS/WPP slicer line                digital GND).
PLL.                                                              CVBS1 Composite video input signal for the Teletext
MCFM Analog pin for the display pixel frequency multi-            slicer and sync extraction.
plier.                                                            CVBS2 Composite video input signal for the VPS/WSS
OSCIN, OSCOUT Oscillator (input and output).                      slicer. Pin AC coupled.
These pins connect a parallel-resonant crystal(24MHz              AVDD1, AVDD2 Analog power supplies(must be tied
maximum), or an external source to the on-chip clock              externally to AVDD).
oscillator and buffer. OSCIN is the input of the oscilltor        TXCF Analog pin for the VPS/WSS line PLL.
inverter and internal clock generator; OSCOUT is the              CVBSO, JTDO, JTCK Test pins : leave floating.
output of the oscillator inverter.                                JTMS, TEST0 Test pins : must be tied to AVDD2.
VSYNC Vertical Sync. Vertical video synchronisation               JTRST0 Test pin : must be tied to GND.
input to OSD. Positive or negative polarity.

Figure 2. Pin Description




                                                             13
                                                                                                             IC description

5-2. VPS 3215C(Video Processor)

(1) Description                                                    including all substandards


The VPC 3215C is a high-quality, single-chip video front-          - 1 composite, 1 S-VHS input, 1 composite output


end, which is targeted for 4:3 and 16:9, 100/120Hz TV              - integrated high-quality A/D converters and associated


sets.                                                              clamp and AGC circuits


It can be conbined with other members of the DIGIT3000             - multi-standard sync processing


IC family (such as CIP 3250A, DDP 3300A, TPU 3040)                 - linear horizontal scaling (0.25 ... 4), as well as non-linear


and/or it can be used with 3rd-party products.                     horizontal scaling panorama vision

                                                                   - PAL + preprocessing (VPC 3215)
(2) Features

- all-digital video processing                                     - submicron CMOS technology

- high-performance adaptive 4H comb filter Y/C separator

with adjustable vertical peaking

- multi-standard color decoder PAL/NTSC/SECAM


(3) Block Diagram




(4) Pin Descriptions

Pin 1 - Ground, Analog Front-End GND      F
                                                                   These pins are connected to an 20.25MHz crystal oscilla-

Pin 2 - Ground, Analog Front-End GND F                             tor which is digitally tuned by integrated shunt capaci-

Pin 3 - CCU 5 MHz Clock Output CLK5                                tances. The CLK20 and CLK5 clock signals are derived

This pin provides a clock frequency for the TV microcon-           from this oscillator. An external clock can be fed into

troller, e.g. a CCU 3000 controller, It is also used by the        XTAL1. In this case, clock frequency adjustment must be

DDP 3300A display controller as a standby clock.                   switched off.

Pin 4 - Standby Supply Voltage V STDBY                             Pin 7 - Ground, Analog Front-End GND       F


In standby mode, only the clock oscillator is active, GND F        Pin 9 - Ground, Output Pad Circuitry GND       P


should be ground reference. Please activate RESQ before            Pin 10 - Interlace Output, INTLC

powering-up other supplies Pins 6 and 5-XTAL1 Crystal              This pin supplies the interlace information, 0 indicates first

Input                                                              field, 1 indicates second field.




                                                              14
 IC description


Pin 12 - Vertical Sync Pulse, VS                                    Pin 52 - VGAV-Input.

This pin supplies the vertical sync signal.                         This pin is connected to the vertical sync signal of a VGA

Pin 13 - Front Sync Pulse, FSY                                      signal.

This pin supplies the front sync information.                       Pin 53 - Front-End/Back-End Data FPDAT

Pin 14 - Main Sync/Horizontal Sync Pulse MSY/HS                     This pin interfaces to the DDP 3300A back-end processor.

This pin supplies the horizontal sync pulse information in          The information for the deflection drives and for the white

line-locked mode. In DIGIT3000 mode, this pin is the main           drive control, i.e. the beam current limiter, is transmitted by

sync input.                                                         this pin.

Pin 15 - Helper Line Output, Helper                                 Pin 54 - Reset Input RESQ

This signal indicated a helper line in PAL + mode.                  A low level on this pin resets the VPC 32xx.
                                                                                2
Pin 16 - Horizontal Clamp Pulse, HC                                 Pin 55 - I C Bus Data SDA
                                                                                               2
This signal can be used to clamp an external video signal,          The pin connects to the I C bus data line.

that is synchronous to the input signal. The timing is pro-         Pin 57 - Test Input TEST

grammable.                                                          This pin enables factory test modes. For normal operation,

Pin 17 - Active Video Output, AVO                                   it must be connected to ground.

This pin indicates the active video output data. The signal         Pin 59 - Ground, Analog Front-End GND

is clocked with the LLC1 clock.                                     Pins 62,61,60,58 - Video 1-4

Pin 18 - Double Output Clock, LLC2                                  These are the analog video inputs. A CVBS or S-VHS

Pin 19 - Output Clock, LLC1                                         luma signal is converted using the luma (Video 1) AD con-

This is the clock reference for the luma, chroma, and sta-          verter. The VIN1 input can also be switched to the chroma

tus outputs.                                                        (Video 2) ADC. The input signal must be AC-coupled.

Pin 26 - Ground, Output Pad Circuitry GND P                         Pin 63 - Chroma Input CIN

Pin 20 to 25,28,29 - Luma Output Y0-Y7                              This pin is connected to the S-VHS chroma signal. A resis-

These output pins carry the digital luminance data. The             tive divider is used to bias the input signal to the middle of

data are clocked with the LLC1 clock.                               the converter input range. CIN can only be connected to

Pin 30 - Main Clock Output CLK20                                    the chroma (Video 2) A/D converter. The signal must be

This is the 20.25MHz main clock output.                             AC-coupled.

Pin 31 - Supply Voltage, Digital Circuitry V SUPD                   Pin 64 - Analog Video Output, VOUT

Pin 34 - Ground, Digital Circuitry GND D                            The analog video signal that is selected for the main

Pin 35 - Ground, Output Pad Circuitry GND P                         (luma, CVBS) ADC is output at this pin. An emitter follower

Pin 36 - Supply Voltage, Output Pad Supply V        SUPP            is required at this pin.

Pin 38 to 43,46,47 - Chroma Outputs C0-C7                           Pin 65 - Ground, Analog Shield Front-End GND

These outputs carry the digital CrCb chrominance data.              Pin 66 - Supply Voltage, Analog Front-End V

The data are clocked with the LL1 clock. The data are               Pin 67 - Signal GND for Analog Input ISGND

sampled at half the clock rate and multiplexed. The CrCb            This is the high quality ground reference for the video

multiplex is reset for each TV line.                                input signals.

Pin 48 to 50 - Picture Bus Priority PR0-PR2                         Pin 68 - Reference Voltage Top VRT

The Picture Bus Priority lines carry the digital priority           Via this pin, the reference voltage for the A/D converters is

selection signals. The priority interface allows digital            decoupled. The pin is connected with 10uF/47nF to the

switching of up to 8 sources to the back-end processor.             Signal Ground Pin.

Switching for different sources is prioritized and can be on

a per pixel basis.

Pin 51 - Ground, Output Pad Circuitry GND       P




                                                               15
                                                                                                              IC description

5-3. CIP3250A (Component Interface Processor)

(1) Description                                                     - digital matrix RGB => YUV (Y, B-Y, R-Y)

The CIP 3250A is a new CMOS IC that contains on a sin-              - luma contrast and brightness correction for signals from

gle chip the entire circuitry to interface analog YUV/RGB/           analog input

Fast Blank to a digital YUV system. The Fast Blank signal           - color saturation and hue correction for signals from

is used to control a soft mixer between the digitized RGB            analog input

and an external digital YUV source. The CIP supports var-           - digital input for DIGIT 2000 or DIGIT 3000 formats

ious output formats such as YUV 4:1:1/4:2:2 or RGB 4:4:4.           - digital interpolation to 4:4:4 format

                                                                    - high quality soft mixer controlled by Fast Blank signal

Together with the DIGIT 3000 (e.g. VPC 32xxA) or DIGIT              - programmable delays to match digital YUV in and analog

2000 (e.g. DTI 2250), an interface to a TV-scanrate con-             RGB/YUV

version circuit and/or multi-media frame buffer can be              - variable low pass filters for YUV output

obtained.                                                           - digital output in DIGIT 2000 and DIGIT 3000 formats, as

                                                                     well as RGB 4:4:4
                                                                      2
(2) Feature                                                         - I C bus interface

- analog input for RGB or YUV and Fast Blank                        - clock frequency 13.5...20.25 MHz

- triple 8 bit analog to digital converters for RGB/YUV with

 internal programmable clamping

- single 6 bit analog to digital converter for Fast Blank

 singnal



(3) Block Diagram




                                                               16
 IC description

(4) Pin Description                                                  nal(pure binary) or the digital chroma V signal (2 s compo-

Pin 1 - STANDBY Input                                                nent). Leave vacant if not used.

Via this input pin, the standby mode of the CIP 3250A is

enabled. A high level voltage switches all outputs to                Pin 29 - AVI Active Video Input

tristate mode, and power consumption is signigicantly                In a DIGIT 2000 application, this input can be connected

reduced. When the IC IS returned to active mode, a reset             to ground. In a DIGIT 3000 application, this input expects

is generated internally. Connect to VSS if not used.                 the DIGIT 3000 AVI signal. In a stand alone application,

                                                                     this input expects the VSYNC vertical sync pulse. Connect

Pins 2 to 9 - B7 to B0 Blue Output                                   ground if not used.

In a stand alone application, where the CIP 3250A serces

as an A/D-converter, these are the output for the digital            Pin 30 - FSY Front Sync Input

Blue signal (pure binary) or the digital U signal (2s com-           In a DIGIT 2000 application, this input pin expects the

plement). Leave vacant if not used.                                  DIGIT 2000 SKEW protocol. In a DIGIT 3000 application,

                                                                     this input expects the DIGIT 3000 FSY protocol. In a stand

Pin 10 to 17 - GL7 to GL0 Green/Luma Output                          alone application, this unput expects the HSYNC horizon-

At these outputs, the digital luminance signal is received in        tal sync pulse. Connect to ground if not used.

pure binary cided format for DIGIT 2000 and DIGIT 3000
                                                                                                        2
applications. In a stand alone application, where the CIP            Pin 31 to 32 - SDA and SCL of      I C-Bus
                                                                                                  2
3250A serves as an A/D-converter, these are the outputs              These pins connect to the I Cbus, which takes over the

for the digital Green signal(pure binary) or the digital luma        control of the CIP 3250A via the internal registers. The

signal(pure binary). Leave vacant if not used.                       SDA pin is the data input/output, and the SCL pin is the
                                                                                            2
                                                                     clock input/output of I Cbus control interface. All registers

Pin 18 - PVSS Output Pin Ground                                      are writerable(except address hex27) and readable.

This is the common ground connection of all output stages

and must be connected to ground.                                     Pin 33 to 35 - PRIO0 to PRIO2 Priority Bus

Note : All ground pins of the chip (i.e.                             These pins connect to the Priority Bus of a DIGIT 3000

18,52,58,60,62,64,66 and 68) must be connected together              application. The Picture Bus Priority lines carry the digital

low resistive. The layout of the PCB must take into consid-          priority selection signals. The priority interface allows digi-

eration the need for a low-noise ground.                             tal switching of up to 8 sources to the backend processor.

                                                                     Switching for different sources is prioritized and can be on

Pin 19 - PVDD Output Pin Supply + 5V/+3.3V                           a per pixel basis. In all other applications, they must not be

This pin supplies all output stages and must be connected            connected.

to a positive supply voltage.

Note : The layout of the PCB must take into consideration            Pin 36 to 43 - C0 to C7 Chroma Input

the need for a low-noise supply. A bypass capacitor has to           These are the inputs for the digital chroma signal which

be connected between ground and PVDD                                 can be received in binary offset or 2 s complement coded

                                                                     format. In a DIGIT 2000(4:1:1) system, C3 to C0 take the

Pins 20 to 27 - RC7 to RC0 Red/Chroma Output                         halfbyte (nibble) multiplex format. C7 to C4 have to be

These are the outputs for the digital chroma signal in the           connected to ground. Within the DIGIT 3000(4:2:2) sys-

DIGIT 3000 system, where U and V are multiplexed byte-               tem, U and V are multiplexed bytewise. Connect to ground

wise. In a DIGIT 2000 system, RC3 to RC0 and RC7 to                  if not used.

RC4 carry the halfbyte(nibble) multiplex format. In a stand

alone application, where the CIP 3250A serces as an AD-

converter, these are the outputs for the digital Red sig-




                                                                17
                                                                                                               IC description

Pin 44 to 51 - L0 to L7 Luma Input                                   66, and 68) must be connected together low resistive. The

These are the inputs for the digital luma signal which must          layout of the PCB must take into consideration the need

be in pure binary coded format. Connect to ground if not             for a low-noise ground.

used.

                                                                     Pin 59 - ADREF Connect External Capacitor

Pin 52 - DVSS Digital Ground                                         This pin should be connected to ground over a 10uF and a

This is the common ground connection of all digital stages           100nF capacitor in parallel.

and must be connected to ground.

Note : All ground pins of the chip(i.e. 18, 52, 58, 60, 62,          Pin 60 - SUBSTRATE

64, 66, and 68) must be connected together low resistive.            This is connected to the platform which carries the die

The layout of the PCB must take into consideration the               and must be cvonnected to the ground.

need for a low-noise ground.                                         Note : All ground pins of the chip(i.e.

                                                                     18,52,58,60,62,64,66, and 68) must be connected

Pin 53 - DVDD Digital Supply +5V                                     together low resistive. The layout of the PCB must take

This pin supplies all digital stages and must be connected           into consideration the need for a low-noise ground.

to a positive supply voltage.

Note : The layout of the PCB must take into consideration            Pin 61 - FB Analog Fast Blank Input

the need for a low-noise supply. A bypass capacitor has to           This input takes the DC-coupled analog Fast Blank signal.

be connected between ground and DVDD.                                The amplitude is 1.0V maximum at 75 Ohms. Connect to

                                                                     ground if not used.

Pin 54 - CLK Main Clock Input

This is the input for the clock signal. The frequency and            Pin 62 - GNDFB Analod Ground

vary in the range from 13.5MHz to 20.25MHz.                          This is the ground pin for the AD converter of the Fast

                                                                     Blank signal and has to be connected to ground.

Pin 55 - RESQ Input                                                  Note : All ground pins of the chip (i.e. 18,52,58,60,62,64,

A low signal at this input pin generates a reset. The low-to-        62,64,66 and 68) must be connected together low resis-

high transition of this signal should occur when the supply          tive. The layout of the PCB must take into consideration

voltage is stable(power-on reset).                                   the need for a low-noise ground.




Pin 56 - TMODE Input                                                 Pin 63 - BU Analog Blue/U Chroma Input

This pin is for test purposes only and must be connected             The input pin takes the AC-coupled analog compont signal

to ground in normal operation.                                       Blue or U Chroma. The amplitude is 1.0V maximum at 75

                                                                     Ohms and a coupling capacitor of 220 nF. Internally, the

Pin 57 - AVDD Analog Supply +5V                                      DC-offset of the input signal is adjusted via the program-

This is the supply voltage pin for the A/D converters and            mable internal clamping circuit. Connect to ground if not

must be connected to a positive supply voltage.                      used.

Note : The layout of the PCB must take into consideration

the need for a low-noise supply. A bypass capacitor has to           Pin 64 - GNDBU Analog Ground

be connected between ground and AVDD.                                This is the ground pin for the A/D converter of the Blue or

                                                                     U Chroma signal and must be connected to ground.

Pin 58 - AVSS Analog Ground                                          Note : All ground pins of the chip(i.e.

This is the ground pin for the A/D converters and must be            18,52,58,60,62,64,66, and 68) must be connected

connected to ground.                                                 together low resistive. The layout of the PCB must take

Note : All ground pins of the chip (i.e. 18,52,58,60,62,64,          into consideration the need for a low-noise ground.




                                                                18
 IC description

Pin 65 - GY Analog Green/Luma Input

This input pin takes the AC-coupled analog compinent sig-

nal Green or Luma. The amplitude is 1.0V maximum at 75

Ohms and a couplign capacitor of 220nF. Internally, the

DC-offset of the input signal is adjusted via the program-

mable internal clamping circuit. Connect to ground if not

used.




Pin 66 - GNDGY Analog Ground

This is the ground pin for the A/D converter of the Green

or Luma signal and must be connected to ground.

Note : All ground pins of the chip(i.e. 18,52,58,60,62,64,

66, and 68) must be connected together low rresistive.

The layout of the PCB must take into consideration the

need for a low-noise ground.




Pin 67 - RV Analog Red/V Chroma Input

This input pin takes the AC-coupled analog component

signal Red or V Chroma. The amplitude is 1.0V maximum

at 75ohms and a coupling capacitor of 220nF. Internally,

the DC-offset of the input signal is adjusted via the pro-

grammable internal clamping circuit. Connect to ground if

not used.




Pin 68 - GNDRY Analog Ground

This is the ground pin for the A/D converter of the Red or V

Chroma signal and must be connected to ground.

Note : All ground pins of the chip (i.e. 18,52,58,62,64,66,

and 68) must be connected together low resistive. The lay-

out of the PCB must take into consideration the need for a

low-noise ground.




                                                               19
                                                                                                           IC description

5-4. MSM5412222 ( 262, 214-Word X 12-Bit Field Memory )



(1) DESCRIPTION



  The OKI MSM541222 is a high performance 3-Mbit, 256K x 12-bit, Field Memory. It is especially designed for

  high-speed serial access applications such as HDTVs, conventional NTSC TVs, VTRs, digital movies and

  Multi-media systems. MSM541222 is a FRAM for wide or low or low end use in general commodity TVs and

  VTRs exclusively. MSM5412222 is not designed for high end use in medical systems, professional graphics

  systems which require long term picture storage, data storage systems and others. Two or more MSM541222s

  can be cascaded directly without any delay devices between them. ( Cascading provides larger storage depth

  or a longer delay ).




  Each of the 12-bit planes has separate serial write and read ports. These employ independent control clocks to

  support asynchronous read and write operations. Different clock rates are also supported, which allow alternate

  data rates between write and read data streams.




  The MSM5412222 provides high speed FIFO, First-In First-Out, operation without external refreshing:

  MSM5412222 refreshes its DRAM storage cells automatically, so that it appears fully static to the users.

  Moreover, fully static type memory cells and decoders for serial access enable the refresh free serial access

  operation, so that serial read and / or write control clock can be halted high or low for any duration as long as

  the power is on. Internal conflicts of memory access and refreshing operations are prevented by special

  arbitration logic.




  The MSM5412222s function is simple, and similar to a digital delay device whose delay-bit-length is easily

  set by reset timing. The delay length, and the number of read delay clocks between write and read, is

  determined by externally controlled write and read reset timings.




  Additional SRAM serial registers, or line buffers for the initial access of 256 x 12-bit enable high speed first-bit-

  access with no clock delay just after the write of read reset timings.




  Additionally, the MSM5412222 has a write mask function or input enable function (IE), and read-data skipping

  function or output enable function (OE). The differences between write enable (WE) and input enable (IE), and

  between read enable (RE) and output enable (OE) are that WE and RE can stop serial write / read address

  increments, but IE and OE cannot stop the increment, when write / read clocking is continuously applied to

  MSM5412222. The input enable (IE) function allows the user to write into selected locations of the memeory

  only, leaving the reset of the memory contents unchanged. This facilitates data processing to display a 

  picture in picture on a TV screen.




  The MSM5412222 is similar in operation and functionality to OKI 1-Mbit Field Memory MSM514222B and

  2-Mbit Field Memory MSM518222. Three MSM514222Bs or one MSM514222B plus one MSM518222 can

  be replaced simply by one MSM5412222.




                                                             20
 IC description

(2) FEATURES

   Single power supply : 5V 10%
   512 Rows x 512 Columns x 12 bits
   Fast FIFO (First-In First-Out) operation
   High speed asynchronous serial access
       Read / write cycle time 25 ns / 30 ns
       Access time             23 ns / 25 ns
   Direct cascading capability
   Write mask function (Input enable control)
   Data skipping function (Output enable control)
   Self refresh (No refresh control is required)
(3) BLOCK DIAGRAM




                                                    21
                                                                                IC description

(4) Pin Description



 Pin No.                               Pin Name            Function

 17                                    SWCK                Serial Write Clock


 28                                    SRCK                Serial Read Clock


 20                                    WE                  Write Enable


 25                                    RE                  Read Enable


 21                                    IE                  Input Enable


 24                                    OE                  Output Enable


 18                                    RSTW                Write Resert Clock


 27                                    RSTR                Read Reset Clock


 2,3,5,6,7,8,10,11,12,13,15,16         D IN0 ~ D   IN11    Data Input


 29,30,32,33,34,35,37,38,39,40,42,43   D OUT 0 ~ D OUT11   Data Output


 22,23                                 Vcc                 Power Supply (5V)


 1,31,44                               Vss                 Ground (0V)


 4,9,14,19,26,36,41                    NC                  No Connection




                                                               22
 IC description

5-5. DDP 3310B (Display and Deflection Processor)

(1) Description                                                   Deflection processing

The DDP 3310B is a single-chip digital Display and Deflec-        - scan velocity modulation output

tion Processor designed for high-quality backend applica-         - high-performance H/V deflection

tions in 100/120MHz TV sets with 4:3- or 16:9 picture             - EHT compensation for vertical / East/West

tubes. The IC can be combined with members of the                 - soft start/stop of H-Drive

DIGIT 3000 IC family (VPC 32xx, TPU 3040), or it can be           - vertical angle and bow

used with third-party products. The IC contains the entire        - differential vertical output

digital video component and deflection processing and all         - horizontal and vertical protection circuit

analog interface components.                                      - adjustable horizontal frequency for VGA/SVGA dislay




(2) Feature                                                       Miscellaneous

Video processing                                                  - selectable 4:1:1/4:2:2 YC rC b input

- linear horizontal scaling (0.25 ... 4)                          - selectable 27/32-MHz line-locked clock input

- non-linear horizontal scaling panoramavision                    - crystal oscillator for horizontal protection

- dynamic peaking                                                 - automatic picture tube adjustment(cutoff, whitedrive)

- soft limiter (gamma correction)                                 - single 5-V power supply

- color transient improvement                                     - hardware for simple 50/60-Hz to 100/120-Hz conversion

- programmable RGB matrix                                          (display frequency doubling)
                                                                         2
- picture frame generator                                         - two I C -controlled PWM outputs

- two analog RGB/Fast-Blank inputs                                - beam current limiter




(3) Block Diagram




                                                             23
                                                                                                              IC description

(4) Pin Description                                                  The vertical protection circuitry prevents the picture tube

                                                                     from burn-in in the event of a malfunction of the vertical

Pin 1 - Supply Voltage, Output Pin Driver VSUPP*                     deflection stage. If the peak-to-peak value of the vertical

This pin is used as supply for the following digital output          sawtooth signal is too small, the RGB output signals are

pins : FIFORRD, FIFORD, FIFOWR, FIFORWR.                             blanked.




Pin 2 - Ground, Output Pin Driver GNDP*                              Pin 12 - H-Drive Frequency Range Select FREQSEL

Output Pin Driver Reference                                          This pin selects the frequency range for the horizontal

                                                                     drive signal.

Pin 3 - Sync Signal Input VS2
                                                       2
Additional pin for the vertical sync information. Via I C            Pin 13 - Clock Select 40.5 or 27/32 MHzCM1

Register the used vertical sync can be switched between              Low level selects 27/32 MHz, High level selects 40.5 MHz

the inputs VS2 and VS(Pin 64)

                                                                     Pin 14 - Clock Select 40.5 or 27/32 MHzCM0

Pin 4 - Reset for FIFO Read Counter FIFORRD                          Low level selects 27 MHz, High level selects 32 MHz

This signal is active-High and resets the read counter in

                                                                     Pin 15 - Range Switch2 for Measuring ADC RSW2
the display frequency doubling FIFO.

                                                                     This pin is an open-drain pull-down output. During cutoff

                                                                     measurement the switch is off. During white drive mea-
Pin 5 - Read Enable for FIFO FIFORD
                                                                     surement the switch is on. Also during the rest of time it is
This signal is active-High and enabels the read counter in
                                                                     on.
the display frequency doubling FIFO.

                                                                     Pin 16 - Range Switch 1 or Second Input for Measuring

Pin 6 - Write Enable for FIFO FIFOWR                                 ADC RSW1

This signal is active-High and enables the write counter in          This pin is an open-drain pull-down output. During cutoff

the display frequency doubling FIFO.                                 and white-drive measurement, the switch is off. During

                                                                     the rest of time it is on. The RSW1 pin can be used as

                                                                     second measurement ADC input.
Pin 7 - Reset for FIFO Write Counter FIFOWR

This signal is active-High and enables the write counter in
                                                                     Pin 17 - Measurement ADC Input SENSE
the display frequency doubling FIFO.
                                                                     This is the input of the analog to digital converter for the

                                                                     picture and tube measurement. Three measurement
Pin 8 - Horizontal Drive HOUT                                        ranges are selectable with RSW1 and RSW2

This open-drain output supplies the drive pulse for the hor-

izontal output stage. A pull-up resistor has to be used.             Pin 18 - Measurement ADC Reference Input MGND

                                                                     This is the ground reference for the measurement A/D

                                                                     converter.
Pin 9 - Horizontal Flyback Input HFLB

Via this pin, the horizontal flyback pulse is supplied to the
                                                                     Pin 19 - Vertical Sawtooth Output VERT+(19)
DDP 3310B.
                                                                     This pin supplies the drive signal for the vertical output

                                                                     stage. The drive signal is generated with 15-bit precision.
Pin 10 - Safety Input SAFETY
                                                                     The analog voltage is generated by a 4-bit current DAC
This input has two thresholds. A signal between the lower
                                                                     with external resistor (6 k    for proper operation) and

and upper threshold means normal function. Other signals             uses digital noise-shaping.

are detected as malfunction.

                                                                     Pin 20 - Vertical Sawtooth Output inverted VERT-

Pin 11 - Vertical Protection Input VPROT                             This pin supplies the inverted signal of VERT+.




                                                                24
 IC description

Together with this pin, it can be used to drive symmetrical         These pins are used to switch the RGB outputs to the
deflection amplifiers.                                              external analog RGB inputs. FBLIN1 switches the RIN1,
                                                                    GIN1 and BIN1 inputs, FBLIN2 switches the RIN2, GIN2
Pin 21  - East/West Parabola Output EW                              and BIN2 inputs. The active level (Low or High) can be
This pin supplies the parabola signal for the East/West             selected by software.
correction. The drive signal is generated with 15-bit preci-
sion. The analog voltage is generated by a 4-bit current            Pin 31, 32, 33  - Analog RGB Input1 RIN1, GIN1, BIN1
DAC with external resistor and uses digital noise-shaping.          These pin are used to insert an external analog RGB sig-
                                                                    nal, e.g. from a SCART connector which can by switched
Pin 22  - DAC Current Reference XREF                                to the analog RGB outputs with the Fast-Blank signal.
External reference resistor for DAC output currents, typical        The analog back-end provides separate brightness and
10 k 



◦ Jabse Service Manual Search 2026 ◦ Jabse PravopisonTap.bg ◦ Other service manual resources online : FixyaeServiceinfo