Service manual
R910E Service Manual
21
HDATA0
C508
22uF
X501 24MHz
CN502
HEADER 6X2
12
34
56
78
910
11 12
HCLK SHEET 5.Gm5020
C512
470uF/16V
V_CON SHEET 3.Input Connectors
GND
P2
RESET_FW (U502.25---R906)
+5V
C521
0.1uF/16V
RXDSHEET 3.Inout Connectors
VGA_CON (U502.24---CN301.5)
GND
WP
C510
100uF
C515
100PF
R505 33R
RP503
10K(8P4R)
1 8
2 7
3 6
4 5
R531 220R
GND
HDATAF[0..3] SHEET 5.Gm5020
R515 10K
C516
22uF(NC)
PWM0SHEET 5.Gm5020
R504
10K
6.Display Interface
_BKLT_ON
R509
10K
_PANEL_ENSHEET 6.Display Interface
KEY/SH
HFS SHEET 5.Gm5020
R532
10K
+5V
+5V
C504
22pF
DVI_PLUG SHEET 3.Input Connectors
SDA
R501
10K
Q502
MMBT3904
3
1
2
R526
0R(op)
GND
P1
LVDS_EN SHEET 6.Display Interface
PWM1SHEET 5.Gm5020
PANEL_EN (U502.18---R201)
GND
GND
911002 DVI Detected
R523
0R(op)
STDBY
GND
HDATAF1
P_S_ENSHEET 8.Power
GND
C505
22uF
RXD (U502.11---CN301.11)
C519
0.1uF/16V
GND
C509
0.1UF
RP506
10K(8P4R)
1
2
3
4
8
7
6
5
_BKLT_ON
GND
R522
620R
TXD (U502.13---CN301.4)
HFS/SDA
C522
0.1uF/16V
R502
10K
C514
100PF
HDATAF2
STDBY
RP502
10K(8P4R)
1 8
2 7
3 6
4 5
R506 33R
910918 EMI
SCL
GND
DOS
C520
0.1uF/16V
R521 1K
R528 0R(NC)
R510
10K
D502
1N4148(NC)
1 2
GND
C518
0.1uF/16V
RP504
330R(8P4R)
1
2
3
4
8
7
6
5
ON/OFF
5.Gm5020
+A5V
RXD
R516
10K
TXD
DOS
R519
10K
910918 EMI
+5V
GND
AD
C501
22uF
16V
GND
SDA
R508
47R
PWM0 (U601.N1---R527)
+5V
RXD
HDATA2
GND
GND
R514
10K
TXD
U502
W78E62BP-40
2
3
4
5
6
7
8
9
10
11
13
14
15
16
17
18
19
20
21
22
24
25
26
27
28
29
30
31
32
33
35
36
37
38
39
40
41
42
43
44
1
12
23
34
P1.0/T2
P1.1/T2EX
P1.2/ECI
P1.3/CEX0
P1.4/CEX1
P1.5/CEX2
P1.6/CEX3/WAIT#
P1.7/CEX4/A17/W
RST
P3.0/RXD
P3.1/TXD
P3.2/INT0#
P3.3/INT1#
P3.4/T0
P3.5/T1
P3.6/WR#
P3.7/RD#/A16
XTAL2
XTAL1
VSS
A8/P2.0
A9/P2.1
A10/P2.2
A11/P2.3
A12/P2.4
A13/P2.5
A14/P2.6
A15/P2.7
PSEN#
ALE/PROG#
EA#/VPP
AD7/P0.7
AD6/P0.6
AD5/P0.5
AD4/P0.4
AD3/P0.3
AD2/P0.2
AD1/P0.1
AD0/P0.0
VCC
NIC
NIC
NIC
NIC
WP
C502
0.1uF
+5V
GND
LED AMBER
Internal Program Memory
910918 EMI
R529
620R(NC)
TXDSHEET 3.Inout Connectors
C523
0.1uF/16V
KEY LEFT
MUTE
LED GREEN
HDATA1
KEY ENTER
C503
22pF
/IRQ (U502.14---U601.R3)
GND
GND
HCLK/SCL
HDATA3
3.Input Connectors
910917
ESD
代刚筁
RESET_FW SHEET 5.Gm5020
HFS (U502.31---U601.P2)
+5V
+A5V
KEY/SH
C929
0.1uF/16V
RP507
10K(8P4R)
1
2
3
4
8
7
6
5
+5V
+12V
AD
U501
24LC16B
1
2
3
4 5
6
7
8
A0
A1
A2
VSS SI
SCK
WP
VCC
Q503
MMBT3904
3
1
2
_IRQ
C517
0.1uF/16V
SCL
CP502
1000P
1
5
6
8
4
3
27
GND
HDATAF[0..3](U502.26,27,28,29---U601.R2,R1,P4,P3)
R527 0R(op)
HCLK (U502.30---U601.P1)
+12V
+5V
GND
GND
HDATAF3
D501
1N4148
1 2
GND
POWER
R524
0R(op)
VOL
KEY RIGHT
CN501
Pitch 2.0mm
1
2
3
4
5
6
7
8
9
RP501
33R(8P4R)
1 8
2 7
3 6
4 5
Q501
MMBT3904
3
1
2
GND
+5V
+A5V
P1
CN503
HEADER 6
1
2
3
4
5
6
910917
ESD
代刚筁
+5V
GND
MUTE
R507
47R
L502
CHOKE
R503
10K
LVDS_EN (U502.36---U201.32,U202.32)
GND
XTAL2
R520
4.7K
PWM1 (U601.M4---R528)
HDATAF0
RP505
330R(8P4R)
1
2
3
4
8
7
6
5
C511
0.1UF
R525
0R(op)
P2
CP501
1000P
1
5
6
8
4
3
27
GND
+5V
AUTO KEY
_IRQ SHEET 5.Gm5020
GND
ON/OFF
R530
1K(NC)