Circuit Description; Iii. Circuit Description - Vivitek RP56HD21 Service Manual

Rear projection multi purpose display unit
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III. Circuit Description

1. Circuit Description

FRONT AV INPUT
FRONT PC R L
PC R L
AUDIO SWITCH
DVI R L
TEA6420
COMP1 R L
AUDIO/VIDEO
COMP2 R L
AV1 INPUT
SWITCH
CXA2069
I2C2
AV2 INPUT
TV1
TV CABLE IN
TUNER
TV2
I2C2
I2C0
I2C2
AV BOARD
TUNER BOARD
FRONT I/O BOARD
AUDIO
AMP.
SUB-
PT2313
TDA1308
HEADPHONE
I2C3
AUDIO
AMP.
MAIN-
PT2313
TDA1308
HEADPHONE
I2C2
SRS
BEE
AMPFILTER
TA2136F
NJW1147
LM4765
I2C3
AUDIO AMP. BOARD
EEPROM
24C21
EEPROM
24C21
DVI INPUT
HDPC
EEPROM
SII196
24C21
FRONT PC
INPUT
SWITCH
PC INPUT
ADG774
SWITCH
ADG774
COMP1 INPUT
SWITCH
ADG774
COMP2 INPUT
VIDEO DECODER
VPC3230D-MAIN
I2C0
SWITCH
ADG774
COMP1 INPUT
SWITCH
ADG774
COMP2 INPUT
VIDEO DECODER
VPC3230D-SUB
I2C0
Page47 of 79
SDRAM 32*2M
HY57V653220B-7
RGB-24
BITS,AHS,VHS,AREFCLK,DE
BUFFER
RGBHV DE CLK
28BITS
OUTPUT
ADC
RGBHV CLK
PORT
AD9883-MAIN
24 BITS
A
I2C0
DE-INTERLACE
FLI2300-MAIN
SDRAM
GM6015
32*2M
PORT
YUV-16BIT
B
ADC
BCLK,BHS,BVS
AD9883-SUB
I2C0
CONTROL
DE-INTERLACE
FLI2300-SUB
SDRAM
32*2M
OSD
OSD
MC141585DW
DMD DRIVE BOARD
FLASH
BUFFER
AM296V800BB
K4R271669F
DMD VOLTAGE
DMD
LVDS RE.
DRIVER
LVDS TR.
THC63LVDM83A
THC63LVDF84A
DDP1010
MOTOR CONTROL
COLOR WHEEL
KEYPAD
BOARD
REAL TIME
EEPROM
CLOCK
24C16
I2C1
I/O
I/O
PCF8575
PCF8575
I2C0
MCU
ADDRESS LINE
W78E52BP
I2C0
LATCH
ADDRESS LINE
SRAM
W24257AJ
74LVHC573
DATA LINE
TXDRXD
IR
RS-232
REMOTE
DOWNLOAD
CONTROL
FLASH
W29C0209-90
DATA LINE
DAD1000
DMD DISPLAY
0.8" HD2
WXGA
SH6742

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