Toshiba TDP-MT700 Servicehandleiding - Pagina 14
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MT700 Service Manual
2. Scalar Rembrandt-103
Rembrandt-103 can process dual channel data: graphic port and video port data.
It receives data with YCBCR 4:2:2 (video input) as well as RGB 8:8:8 (graphic
input). Rembrant-1's processing also needs to install 3 set of SDRAM.
3. EEPROM
The series EEPROM (AT24C128, 128k) stores the system information, included
factory and user data.
4. RS232 Driver/Receiver
This projector can use RS232 download connector to download new software or
control this projector by RS232 commands. The RS232 Driver/Receiver is used to
drive / receive RS232 signals between CPU and download connector.
5. IR receiver:
The front IR receiver accepts IR signal from front side direction. The carrier
frequency is 38kHz.
GRAPHIC PORT
D_INA[0..23], D_HSYNC, D_VSYNC, DIN_CLK, D_ACTIVE
V_INA[0..15], V_HSYNC, V_VSYNC, VCLK, V_ACTIVE
VIDEO PORT
FLASH (256K x 16)
SRAM (128K x 16)
Series EEPROM 16K
RS232
Download
connector
RS232 Driver/Reciver
Front IR Reciver (38Khz)
IR
Remote
Controller
Front IR Reciver Board
IIC Bus
(SP232E)
TXD, RXD
Scalar and Microcontroller
FAN Driver IC
(MAX6660)
OP_A[0..23], OP_HSYNC. OP_VSYNC,
Scalar
(RM103)
DLP_RST (DMD RESETZ)
POWERON (DMD PWRGOOD)
CPU
(RDC2021)
LAMPLITZ
13
OCLK_OUT, OP_ENABLE
TO DMD BOARD
SDRAM
x3
(2M x 32)