1 - 9
1.3.2
PWB-MAIN circuit block diagram
X'tal
A/D
A/D
A/D
R-IN1
G-IN1
B-IN1
DVI A_ RED
DVI A_GREEN
DVI A_BLUE
D-Sub RED
D-Sub GREEN
D-Sub BLUE
DVI A_ HSYNC
DVI A_VSYNC
D-Sub HSYNC
D-Sub VSYNC
AH1
AH2
AV1
AV2
LPF
LPF
LPF
LPF
TMDS
receiver
SiI 143
DVI RX2-
DVI RX2+
DVI RX1-
DVI RX1+
DVI RX0-
DVI RX0+
DVI RXC-
DVI RXC+
SEL_HS2_GS2
SEL_HS1_GS
C/S_H1
C/S_H2
C/S_V1
C/S_V2
S/G_H1
S/G_V1
S/G_H2
S/G_V2
SCDT
/PD
/PDO
P_TMDS
DDC_SCL,
DDC_SDA
DVI DDC_SCL,
DVI DDC_SDA
D-Sub DDC_SCL,
D-Sub DDC_SDA
2kBit
EEPROM
2kBit
EEPROM
2kBit
EEPROM
64kBit
EEPROM
EEP_SCL,
EEP_SDA
U/D
/INC
A2_Dig
A2_Ana
/WP
8
8
8
DB[7..0]
DG[7..0]
DR[7..0]
HSYNC
VSYNC
DE
VCLK
5
3
SEL_2
FS_[2..0]
10MHz
SCLK
XIN
16
16
16
16
16
16
8bit x 2
8bit x 2
8bit x 2
QCK
QDE
QVD
QHD
QVD_M
2
2
Microcomputer
M30625
ASIC
M64539FP(MAURICE2)
8
2
LED_P_G,
LED_P_U
SW[7..0]
SW[7..0]
LED_P_G,
LED_P_U
DUTYCINV
DUTYCINV
P_INVT
PRO_DLY
P_SAVE
+12V
PWB-MAIN block diagram
To DVI/D-Sub connector
To panel module
+5.5V
+5V
+3.3V
+2.5V
/CS
SEL_1
R-IN2
G-IN2
B-IN2
2
Video clock Panel clock
Input process
Line memory
Scaler/color conversion
PLL
Video
buffer
Video
buffer
S/G
synchronization
separation
S/G
synchronization
separation
To SW board
To POWER
board
Switching
circuit
Power
supply
Summary of Contents for NEC MultiSync LCD1550X LCD1550X LCD1550X
Page 88: ...SCHEMATIC DIAGRAM POWER LCD1550X Normal Power Save 1ch Pin 4 2ch Pin 1 3ch Pin 2 4ch Pin 5...
Page 89: ...SCHEMATIC DIAGRAM PWB MAIN POWER LCD1550X...
Page 90: ...SCHEMATIC DIAGRAM PWB MAIN INPUT LCD1550X...
Page 91: ...SCHEMATIC DIAGRAM PWB MAIN SYNC LCD1550X...
Page 92: ...SCHEMATIC DIAGRAM PWB MAIN TMDS LCD1550X...
Page 96: ...SCHEMATIC DIAGRAM PWB MAIN ASIC LCD1550X...
Page 97: ...SCHEMATIC DIAGRAM INVERTER LCD1550X 1ch Q701 B 2ch Q702 B...
Page 98: ...SCHEMATIC DIAGRAM PWB SW LCD1550X...
Page 100: ...SCHEMATIC DIAGRAM POWER LCD1550X...
Page 101: ...SCHEMATIC DIAGRAM PWB MAIN POWER LCD1550X...
Page 102: ...SCHEMATIC DIAGRAM PWB MAIN INPUT LCD1550X...
Page 103: ...SCHEMATIC DIAGRAM PWB MAIN SYNC LCD1550X...
Page 104: ...SCHEMATIC DIAGRAM PWB MAIN TMDS LCD1550X...
Page 105: ...SCHEMATIC DIAGRAM PWB MAIN MC LCD1550X...
Page 106: ...SCHEMATIC DIAGRAM PWB MAIN ASIC LCD1550X...
Page 107: ...SCHEMATIC DIAGRAM INVERTER LCD1550X...
Page 108: ...SCHEMATIC DIAGRAM PWB SW LCD1550X...
Page 127: ...16 Document No VSPF A028 Bave Average brightness of 1 to 9 10 50 90 90 10 50 5 1 2 3 6 9 8 7 4...
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