Service manual
R910E Service Manual
19
6. Schematic
6.1 Main board
+5V
+5V
GND
RX2- SHEET 5.Gm5020
VS (U303.8---U601.K1)
RX1+ (CN302.10---U601.C9)
VGA_5V
AGND
R326
10K
GREEN- SHEET 5.Gm5020
VSYNC
RXC- SHEET 5.Gm5020
C313
100 pF
BLUE+ (C305---U601.C1)
AGND
AGND
HS SHEET 5.Gm5020
GREEN+ SHEET 5.Gm5020
GND
R332
0R
VGACON
AGND
VGA_SDA
5.Gm5020
RX2+ (CN302.2---U601.C10)
R328
0R(NC)
U303D
74LVT14_ADC(NC)
9 8
V_CON SHEET 4.MCU
R312
47K
GND
R305 100R
C311
1000pF
R316 100R
RX1+ SHEET 5.Gm5020
R333
10K(NC)
GREEN- (C304---U601.D1)
HS (U303.4---U601.L2)
R335
1K(NC)
RX2+IN
R338
10K
R301 10K
R320 100R
C312
100 pF
R315 100R
R317
2.2K
R334
0R
AGND
R308
75R
DVI_5V
RX2- (CN302.1---U601.D10)
HS
Signal Cable the same as T541
AGND
VS_DVI
R325
0R(NC)
U303E
74LVT14_ADC(NC)
11 10
RX0+ (CN302.18---U601.C8)
GND
VS
GREEN+ (C303---U601.D2)
VGA_5V
VSYNC
DVI_PLUG
SHEET 4.MCU
RX0- (CN302.17---U601.D8)
AGNDGND
SCL_IN
RX1-IN
RX1+IN
GND
U303A
74LVT14_ADC(NC)
1 2
R311
47K
CN302
DVI-D
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
RX2-
RX2+
GND
RX4-
RX4+
SCL
SDA
VS
RX1-
RX1+
GND
RX3-
RX3+
5V
GND
HP
RX0-
RX0+
GND
RX5-
RX5+
GND
RXC+
RXC-
C310
47pF
C314
0.1uF
4.MCU
AGND
SDA_IN
U303B
74LVT14_ADC(NC)
3 4
RX1- SHEET 5.Gm5020
AGND
R303 100R
R314 100R
R322
47K
AGND
D310
BAV99
3
2
1
R324 0R
CN301
DB15HD
1
6
2
7
3
8
4
9
5
11
12
13
14
15
10
R304 100R
RED- (C301---U601.E1)
R336
1K(NC)
C309
47pF
R330
0R
+5V
C301 0.01uF
C302 0.01uF
RX0+IN
+5V
RX2-IN
R307 100R
BLUE+ SHEET 5.Gm5020
RXC+ (CN302.23---U601.C6)
R319 100R
D312
BAV99
3
2
1
+5V
R327 0R
U301
24C02
84
1
2
3
7
6
5
VCCGND
NC
NC
NC
VCLK
SCL
SDA
SOT23B
D301
BAV70
12
3
C306 0.01uF
BLUE- SHEET 5.Gm5020
AGND
VS
RX0- SHEET 5.Gm5020
R310
75R
C307
0.1uF
RX2+ SHEET 5.Gm5020
HSYNC
HOT_PLUG
C308
0.1uF
RED+ SHEET 5.Gm5020
DVI_5V
D307
5.6V
D306
5.6V
R337 1K
D304
5.6V
910917 EEPROM Option
AGND
R302 100R
AVDD_3.3
D308
5.6V
RX0-IN
C303 0.01uF
R321
47K
RX0+ SHEET 5.Gm5020
U302
24LC21A
84
1
2
3
7
6
5
VCCGND
NC
NC
NC
VCLK
SCL
SDA
/V_CON (R323---U502.24)
R318
2.2K
D311
BAV99
3
2
1
RXC- (CN302.24---U601.D6)
VGACON
VGA_SCL
R323 100R
D309
5.6V
R329 0R
RXC+IN
RX1- (CN302.9---U601.D9)
HSYNC
VS_DVI
R313 100R
RXC+ SHEET 5.Gm5020
GND
AGND
D305
5.6V
R309
75R
D303
5.6V
RXD
SHEET 4.MCU
C305 0.01uF
AGND
911002 DVI Detected
+5V
TXD
SHEET 4.MCU
VS SHEET 5.Gm5020
BLUE- (C306---U601.C2)
R306 100R
DVI_5V
C304 0.01uF
RED- (C302---U601.E2)
RXC-IN
R331
10K(NC)
SOT23B
D302
BAV70
12
3
RED- SHEET 5.Gm5020