Service manual
18.5″ LCD Color Monitor BenQ G925HDA
38
Mut e
DSUB_CONNECT {3}
R402
1K 1/16W
KEY1
R420 100R 1/16W
R415
6K8 1/16W
MCU_VCC
PANEL_ID#
DSUB_V1
1
C404
NC
Volume#{2}
CMVCC
PPWR_ON#
KEY1 {2}
R405
NC
D402
BAV70
R404
10K 1/16W
R434 100R 1/16W
R411
4K7 1/16W
T89ARPMCFWBQNN 1.0
BenQ G922HDAL
B
5 7Thursday , December 17, 2009
715G2498-2A-AO
<
称爹>
5.MCU/RTD2122
G2498-2A-AO-X-16-091216
OEM MODEL Size
Rev
Date
Sheet
of
TPV MODEL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
RTD_SCLK
R423 1K 1/16W
PANEL_VCC
R439
6K8 1/16W
VCC3
PANEL_ID#{2}
WP
Q401
PMBS3904
R416
10K 1/16W
R433 100R 1/16W
R410 NC
MCU_VCC
LED_G#{2}
MVC C
R424 1K 1/16W
IICSDA
D401
BAT54C(NC)
1
3
2
CMVCC
DSUB_V {3}
KEY0 {2}
R422 100R 1/16W
Mut e{2}
PPWR_ON#{6}
R430 100R 1/16W
RTD_SD3/SDI {5}
MCU_VCC
X401
24mhz
1 2
R436
10K 1/16W
R454
1K 1/16W
MCU_VCC
RTD_SD3/SDI
R435 100R 1/16W
DSUB_CONNECT
C409
NC(22pF/16V)
IICSCL
R412
4K7 1/16W
R451
4K7 1/16W
DSUB_V
3
R431
6K8 1/16W
U401
RTD2122L-LF
1
2
3
4
5
6
7
8
17
15
41
40
39
38
37
36
35
34
33
19
28
29
20
21
22
23
24
25
26
27
16
9
10
11
12
13
14
18
30
31
32
43
42
44
45
46
47
48
P5.5/PWM5
DSCL2/P5.6
DSDA2/P5.7
RST
ASCL1/P3.0/RXD
NC
NC
ASDA1/P3.1/TXD
VSS
XO
VCC
P1.0/T2
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
NC
VSYNC
NC
P6.0/ADC0
P6.1/ADC1
P6.2/ADC2
P6.3/ADC3
P6.4
P6.5
P6.6/CLKO1
P6.7
XI
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P7.6/CLKO2
P7.7
NC
NC
NC
NC
NC
NC
P5.0/PWM0
P5.1/PWM1
P5.2/PWM2
P5.3/PWM3
P5.4/PWM4
C401
10pF
C402
NC
IICSCL
LED_R#{2}
KEY0
R408 NC
Closed to X'tal
DDC1_SDA
POWER_KEY #
DIM#{2}
INV_ON#
R429 0R05 1/16W
POWER_KEY # {2}
R438
3.9K OHM +-1% 1/16W
R413
4K7 1/16W
2
DSUB_5V
Volume#
R432 100R 1/16W
BAT54C
C403
0.1uF/16V
R425
10K 1/16W
U403
NC
1
2
3
4 5
6
7
8
NC
NC
NC
VSS SDA
SCL
WC
VCC
R427 NC/0R05 1/16W
DDC1_SCL{3}
R409 NC
MCU_VCC
R414
4K7 1/16W
C410
0.1uF/16V
R407
NC
WP
CRYSTAR_OUT
R406
NC
C406
0.1uF/16V
C411
10pF
MCU_VCC
RTD_SCLK {5}
INV_ON#{2}
LED_G#
DDC1_SDA{3}
IICSDA
R403
3.9K
1/16W
DIM#
R437
3.9K OHM +-1% 1/16W
R401
3.9K OHM +-1% 1/16W
C412
1uF 10V
CRYSTAR_OUT {5}
MCU_VCC_S
Closed to MCU
LED_R#
DDC1_SCL
+
C405
10UF50V
MCU_VCC_S
R453
1K 1/16W
U402
AZ431AN-AE1