3-6
VPL-PX20/PX30
3-5. Y Board
The main circuits of the Y board include the microprocessor peripheral circuit, USB circuit, and IrDA
circuit.
3-5-1. Microprocessor peripheral circuit
The controller of the projector is mainly composed of the Main MPU, EEPROM, and power supply
monitoring IC.
MainCPU
Sync Sep
Flash Memory Write
V Line COUNTING
SIRCS
fH
.
fV COUNTING
Serial
Communication
RS-232C Communication
V Blanking INTERRUPTION
Key (ADC)
PW:Scan Converter(BB)
(Sub CPU)
AD9884A:
ADC/PLL
Device Controller
1) CXA1946:Audio (QA)
Device Controller
1) M24C64:EEPROM (Y)
2) CXA9812:3D Gamma (BC)
3) M24C64:EEPROM for 3D Gamma (BC)
UART
SCI
12C Bus
400kbps
Device Controller
1) CXA1875 (DAC) x 2:Switch/Amp (QA)
2) CXA2123:Chroma Dec (BA)
3) CXA2101:RGB Mtrx (BA)
4) CXA1875 (DAC):Comb/Others (BA)
5) M62399 (DAC):Panel (C)
6) M52749 (DAC):V AMP (C)
12C Bus
100kbps
12C Bus
ST7:USB Controller(Y)
(Sub CPU)
12C Bus
19,200bps
100kbps
Содержание RM-PJM610
Страница 153: ...9 20 9 20 A B C D E F G H 1 2 3 4 5 VPL PX20 PX30 ...
Страница 161: ...9 28 9 28 A B C D E F G H 1 2 3 4 5 VPL PX20 PX30 C B SIDE SUFFIX 11 C A SIDE SUFFIX 11 ...
Страница 165: ...9 32 9 32 A B C D E F G H 1 2 3 4 5 VPL PX20 PX30 Y S NF NR Y S NF NR ...
Страница 177: ...Sony Corporation B P Company English 99KZ08111 1 Printed in Japan 1999 11 9 929 667 01 ...