Toshiba TLP510U, TLP511E, TLP510E, TLP511U manual Digital Circuit, Conv Forc Exchange

Page 22

6. DIGITAL CIRCUIT

6-1. Outline

AConfiguration of digital circuit is shown in Fig. 6-1-1. The functions of digital circuit are described on the following pages.

QX202, 203, 205, 206 MB814265/HM514265 (MEMORY)

R signal

QX201

QX204

QX207

QX208

R signal

CXA3026Q

TC203E2651AF-01

EPM7064LC68

MB40950

(2.0V - 4.0V)

(3.0V - 5.0V)

(A/D CONV.)

(T-FORC)

(EXCHANGE)

(D/A CONV.)

 

 

 

 

1/2 CLK

 

 

 

 

R CHANNEL

 

 

 

G signal

 

G CHANNEL (RX4**, CX4**, QX4**)

 

G signal

(2.0V - 4.0V)

 

 

(3.0V - 5.0V)

 

 

 

 

B signal

 

B CHANNEL (RX6**, CX6**, QX6**)

 

B signal

(2.0V - 4.0V)

 

 

 

 

 

 

(3.0V - 5.0V)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42 MHz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

System clock

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLK (PECL)

 

 

 

 

 

 

 

for T-FORC

 

 

 

 

 

 

 

 

 

 

 

FREEZE

 

 

 

 

 

 

 

ZX003

 

 

 

QX003

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

42 MHz

 

 

ON SCREEN

 

 

 

 

 

 

(MPU or camera)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X'tal OSC

 

 

 

DISPLAY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VD

 

 

 

 

 

VD (INPUT)

 

 

 

 

 

VD (PANEL)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HD (INPUT)

 

 

 

 

 

HD (PANEL)

 

 

 

 

 

 

 

 

 

 

 

HD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QX004

 

 

 

 

 

 

 

 

 

QX009

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LCD panel

 

 

 

 

Timing signals

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TC160G54AF1137

 

 

clock

EMP7160ELC84

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QX028

1/2 CLK

 

(SYG)

 

 

 

 

 

 

 

 

 

(TIMING)

 

for LCD drive

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CXA3106Q

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(PLL IC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reference clock

Reference

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For RGB signal

 

 

 

 

 

 

 

 

 

for signal format

clock for

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

measurement

LCD drive

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

QX029

 

 

 

 

 

 

 

ZX003

 

 

 

 

 

 

 

QX008

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32.5 MHz

 

 

 

 

 

 

TLC2932

 

 

 

 

 

 

 

TLC2932

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X'tal OSC

 

 

 

 

 

 

(PLL IC)

 

 

 

 

 

 

 

(PLL IC)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

For VIDEO signal

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fig. 6-1-1

6-1

Image 22
Contents TLP511U TLP510U TLP511E TLP510E Contents Description Main Power Supply CircuitVoltage Switching Output ControlOverheat Protection Over-current ProtectionSupplement Lamp Power Supply Circuit Lamp Driver ConfigurationOptical System Name DescriptionXGA 1.3 inch 3 plates system G.B. Drive Circuit Outline1st frame 2nd lineBasic Component Outline of Liquid Crystal Panel Basic specificationOperation Description 1 Terminal description2 Input terminal function description Name FunctionMicroprocessor System Outline1 System block diagram System Microprocessor 1 Terminal functions of the system microprocessorNon-volatile Memory Control Process Power Supply Reset ProcessRemote Control Reception Process RS-232C Transmission/Reception ProcessStatus Display Process 1 Contents of the status display signals and the logicOn-screen Display Process I2C control for each kind of video system Video System Control ProcessPanel System Control Process 11-1 IC control for each kind of panel systemVarious Display Modes Drive System Control Process12-1 Each kind of the drive system IC control Applicable Signal 14-1 Applicable signalRS-232C Control Method 15-1 RS-232C connection signalsPin No Signal name Signal content 15-2 RS-232C communication conditions15-3 RS-232C command list Command ContentDigital Circuit Conv Forc ExchangeSignal Format Measurement Video Signal Format ConversionPanel Driving Timing Signal Generation PLL CircuitPLL IC CXA3106Q QX028 for RGB Signals Each IC DescriptionSync Process IC SYG QX004 PLL IC TLC2932 QX029 for Video SignalTiming Signal Generation PLD QX009 5. A/D Converter CXA3026Q QX201, QX401 and QX601INV 9. D/A Converter Picture Size of View Conversion IC T-FORCQX204, QX404, QX604 MemoryVideo Circuit Circuit Component1 Block diagram Audio Signal Input Signal Switch SectionVideo Signal RGB Signal2 Internal block diagram of CXA1855Q 1 Terminal function of TC9090AN Video Demodulation Block1. Y/C Separation Circuit 4 Pin configuration of TDA9141 Video/Color CircuitLuminance Y Signal Process Circuit Pin No Name FunctionPin Name Function Color Signal Process CircuitPicture Sharpness Correction Circuit SDA9 Block diagram of TDA4672 RGB Demodulation 4 Terminal function of TDA4780 12 Audio circuit block diagram Audio CircuitRGB Signal Switch Circuit output terminal for SYNC/G Sync Signal Process CircuitRGB Signal Amplifier Section VIDEO/VD TC7S08FMicroprocessor Interface HD. COMP. POS NON VD POS VD NEG HD. COMP. NEG HD. HD. Comp QB012 M52347FP Input status QB025 CXA1315MNON VD POS VD NEG CCD and Drive Circuit Video Signal Process CircuitPower Supply Circuit Pre-amp and AD Coversion Circuit1 CCD camera circuit block diagram Coil Terminal Turns Winding specificationOperating Description WindingTroubleshooting Fluorescent does not turn onToshiba America Consumer PRODUCTS, INC