Dell-LCD-Monitor-1503FP-Service-Manual.pdf
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TFT-LCD MONITOR
1503FP
SERVICE
Manual
TFT-LCD MONITOR
CONTENTS
1. Precautions
2. Product Specifications
3. Disassembly & Reassembly
4. Troubleshooting
5. Exploded View & Parts List
6. Electrical Parts List
7. Block Diagram
8. Wiring Diagram
9. Schematic Diagrams
9 Schematic Diagrams
9-1 Scaler Part Schematic Diagram
AVDD_3.3
AVDD_2.5
DVDD_2.5
DVDD_3.3
12
R301, R302
DVDD_3.3
DBR(7:0)
12
13
14
15
Rx2+
Rx2-
Rx1+
Rx1-
Rx0+
Rx0-
RxC+
RxC-
DBG(7:0)
13
R303, R304
AVDD_3.3
DBB(7:0)
DCLK
DEN
DVS
DHS
BLU+
GRN+
RED+
A_H*V_SYNC
A_V_SYNC
DAR(7:0)
14
R305, R306
DAG(7:0)
PVDD_3.3
DAB(7:0)
15
R307, R308
DDDC_SCL
DDDC_SDA
HCLK
HFS
DVDD_3.3
DVDD_3.3
*IRQ
*IRQIN
*RESET
FSADDR(13:0)
FSADDR(13:0)
DVDD_2.5
+2.5V_D
+3.3V_D
+2.5V_A
DVDD_3.3
AVDD_2.5
+3.3V_A
+3.3V_P
AVDD_3.3
PVDD_3.3
1503FP
9-1
9 Schematic Diagrams
9-2 MCU Part Schematic Diagram
+5V_M
*IRQ
HFS
HCLK
HDATA(3:0)
D(7:0)
A(16)
RESET
RXD
TXD
PWR_SW
SDA
SCL
ALE
*PSEN
A(15:8)
CHK_DSUB
CHK_DVI
*RESET
RESET
+5V_M
+5V_M
A(15)
A(16)
BANK
+5V_M
BANK
+5V_M
+5V
+5V_M
9-2
1503FP
9 Schematic Diagrams
9-3 LCD Output Part Schematic Diagram
LVDS_3.3
8
IC401 #45, 46
1
IC401 #31
2
IC401 #30
9
IC401 #47, 48
9
PANEL_3.3
8
DAR(7:0)
7
6
DAG(7:0)
3
IC401 #28
5
DAB(7:0)
1
4
4
IC401 #27
3
DHS
2
DVS
DEN
DCLK
LVDS_EN
5
IC401 #37, 38
PANEL_3.3
6
IC401 #39, 40
7
IC401 #41, 42
1503FP
9-3
9 Schematic Diagrams
9-4 Video Input Part Schematic Diagram
10
IC510 #4
RED+
GRN+
BLU+
A_H*V_SYNC
A_V_SYNC
Rx2+
Rx1-
Rx2-
11
R211
Rx1+
Rx0+
11
Rx0-
RxC-
RxC+
+5V
ADDC_DATA
ADDC_CLK
CHK_DVI
+5V
DDDC_SCL
DDDC_SDA
10
CHK_DSUB
+5V
BRIGHT
LVDS_EN
PANEL_EN
D_LED
A_LED
LED_RED
LED_GRN
BKLT_EN
+5V
Power Function
+5V
SEL_KEY
Menu Function
AUTO_KEY
PWR_SW
DOWN_KEY
MENU_KEY
PLUS_KEY
A_LED
D_LED
MINUS_KEY
UP_KEY
LED_RED
LED_GRN
9-4
1503FP
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