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Toshiba TLP510E, TLP510U, TLP511E, TLP511U 7-4, Fig. 7-2-2 Internal block diagram of CXA1855Q

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7-4Fig. 7-2-2 Internal block diagram of CXA1855Q

6 dB VOUT1

YIN1

YOUT1

TRAP1

6 dB

0 dB

6 dB

COUT1

CIN1

VOUT2

YOUT2

6 dB

TRAP2

COUT2

VOUT3

Vcc

GND

BIAS

LOUT1

ROUT1

LOUT2

ROUT2

LOUT3

ROUT3

SCL

6 dB

SDA

ADR

MUTE

LTV

LEV

LV1

LV2

LV3

RTV

REV

RV1

RV2

RV3

BIAS

Logic

Contents

Main CONTENTS 1. MAIN POWER SUPPLY CIRCUIT 1-1. Description 1-2. Output Control 1-3. Voltage Switching 1-4. Over-voltage Protection 1-5. Over-current Protection 1-6. Overheat Protection 2. LAMP POWER SUPPLY CIRCUIT (LAMP DRIVER) 2-1. Configuration 3-1 3. OPTICAL SYSTEM 3-1. Configuration XGA 1.3 inch 3 plates system 4-1 4. R.G.B. DRIVE CIRCUIT 1024 pixels 1022 1023 1024 1 Sample hold Page 4-2. Operation Description 4-4 Table 4-2-2 Input terminal function description 5. MICROPROCESSOR 5-1. System Outline 5-2 Fig. 5-1-1 System block diagram 5-3 5-2. System Microprocessor 5-3. Power Supply Reset Process 5-4. Non-volatile Memory Control Process 5-5. Remote Control Reception Process 5-6. RS-232C Transmission/Reception Process 5-7. Status Read Process 5-8. Status Display Process 5-9. On-screen Display Process Table 5-8-1 Contents of the status display signals and the logic X: Lighting OFF ( ): Blinking 5-6 5-10. Video System Control Process 5-11. Panel System Control Process 5-12. Drive System Control Process 5-13. Various Display Modes 5-8 5-14. Applicable Signal 5-15. RS-232C Control Method 5-10 Table 5-15-3 RS-232C command list 6-1 6. DIGITAL CIRCUIT Fig. 6-1-1 6-1. Outline Page 6-3 6-2. Each IC Description Fig. 6-2-1 Page 6-5 Fig. 6-2-4 Page 7. VIDEO CIRCUIT 7-1. Circuit Component Page 7-2. Input Signal Switch Section 7-4 Fig. 7-2-2 Internal block diagram of CXA1855Q 7-5 7-3. Video Demodulation Block Fig. 7-3-2 Block diagram of TC9090AN Fig. 7-3-1 Pin configuration of TC9090AN ++ Table 7-3-1 Terminal function of TC9090AN TDA9141 7-6 43 2110 Sand castle pulse Fig. 7-3-5 Block diagram of TDA9141 7-7 Fig. 7-3-7 Block diagram of TDA4665T Table 7-3-2 Terminal function of TDA4665T Fig. 7-3-6 Pin configuration of TDA4665T 7-8 TDA4672 Fig. 7-3-8 Pin configuration of TDA4672 Table 7-3-3 Terminal function of TDA4672 7-9 TDA4672 Fig. 7-3-10 Pin configuration of TDA4780 7-10 Table 7-3-4 Terminal function of TDA4780 Fig. 7-3-11 Block diagram of TDA4780 Page 7-4. RGB Signal Amplification Section 7-13 Fig 7-4-2 Fig. 7-4-3 7-14 7-5. Microprocessor Interface Fig. 7-5-1 7-15 Table 7-5-1 8. CCD CAMERA CIRCUIT (For TLP511) 8-1. Outline Page 9. FLUORESCENT LAMP INVERTER CIRCUIT (For TLP511) 9-1. Operating Description 9-2. Troubleshooting