Asus VK222U Service Manual page 26

22" LCD Color Monitor
VCC3.3
3 RIN
3 GNDR
3 GIN
R489 R490
3 GNDG
10K 1/16W 5% 10K 1/16W 5%
3 SOG
3 BIN
3 GNDB
3 HSY NC
3 VSY NC
3 DDCA_SDA
3 DDCA_SCL
3
3
3
3
3
3
3 CLK+
3 CLK-
3 DDCD_SDA
3 DDCD_SCL
AVDD_3.3
VCC3.3
+5V
U402
8
+5V VDD
7
HOLD#
C417 3
WP#
0.22uF 4
VSS
+ C418
10uF/16V PM25LV010A
WP
D427
NC R404 R487
10K 1/16W 5% 10K 1/16W 5%
C421 27pF
C423 27pF
+5V
R486
NC
U406
2
VCC
3
RESET
D428 C431 1
GND
NC NC
NC/LM810M3X-4.0
Re s e t Circuit
AVDD_1.8
AVDD_3.3 VDDC_1.8 VDDP_3.3
109
VCTRL
28
RIN0P
27 69 PA14
RIN0M NC/BA1P
25 70 PA15
GIN0P NC/BA1N
24 71 PA16
GIN0M NC/BA2P
26 72 PA17
SOGIN0 NC/BA2N
23 73 PA18
BIN0P LLV6N/BA3P
22 74 PA19
BIN0M LLV6P/BA3N
32 77 PA8
HSY NC0 LLV5N/GA1P
33 78 PA9
VSY NC0 LLV5P/GA1N
35 79 PA10
DDCA_SDA/RS232_TX LLV4N/GA2P
36 80 PA11
DDCA_SCL/RS232_RX LLV4P/GA2N
81 PA12
LLV3N/GA3P
9 82 PA13
R+ B+ LLV3P/GA3N
10 83 PA2
R- B- LLV2N/RA1P
12 84 PA3
G+ G+ LLV2P/RA1N
13 85 PA4
G- G- LLV1N/RA2P
15 86 PA5
B+ R+ LLV1P/RA2N
16 87 PA6
B- R- LLV0N/RA3P
18 88 PA7
CK+ LLV0P/RA3N
19
CK-
5 90 PB12
DDCD_SDA RLV6N/CLKAP
6 91 PB13
DDCD_SCL RLV6P/CLKAN
92 PB14
RLV5N/CLKBP
93 PB15
RLV5P/CLKBN
7 94 PB18
REXT RLV4N/BB1P
R403 390 OHM 1/16W 95 PB19
RLV4P/BB1N
TSUMO5RCWHQ-LF 96 PB20
RLV3N/BB2P
31 97 PB21
REFP RLV3P/BB2N
C401 98 PB22
RLV2N/BB3P
99 PB23
RLV2P/BB3N
0.1uF/16V 30 100 PB6
REFM RLV1N/GB1P
101 PB7
RLV1P/GB1N
103 PB8
RLV0N/GB2P
104 PB9
RLV0P/GB2N
105 PB10
NC/GB3P
106 PB11
NC/GB3N
2 41 107 PB0
SDO SDO NC/RB1P
1 42 108 PB1
CE# CSZ NC/RB1N
6 43 113 PB2
SCK SCK NC/RB2P
5 44 114 PB3
SDI SDI NC/RB2N
115 PB4
NC/RB3P
116 PB5
NC/RB3N
2
GPIO_P14/PWM0
117
RST
37
GPIO_P23/PWM1
48
GPIO_P24/PWM2
R407
0R05 1/16W 68
GPIO_P04
128 118
XIN GPIO_P25
X401
14.31818MHz 120
GPIO_P00/SAR0
127 121
XOUT GPIO_P01/SAR1
122
GPIO_P02/SAR2
R410 123
GPIO_P03/SAR3
0R05 1/16W 124
GPIO_P06
102 125
BY PASS GPIO_P07
C458
0.1uF/16V 3
GPIO_P15
4
GPIO_P16
34
MODE
R415
10K 1/16W 5%
45 R483
GPIO_P44
46
GPIO_P43
47
GPIO_P42
39
I2C_MCL
38
I2C_MDA
53 ESP
ESP
54 OSP
OSP
61 GPO0
GPO[0]
60 GPO1
GPO[1]
59 GPO2
GPO[2]
58 GPO3
GPO[3]
57 GPO4
GPO[4]
56 GPO5
GPO[5]
55
GPO[6]
2 VCC1.8
2 VCC1.8
BA1P
PA[14..19]
PA[14..19] 5
2 VCC3.3
GA1P
PA[8..13]
PA[8..13] 5
RA1P
PA[2..7]
PA[2..7] 5
CLKAP
PB[12..15]
PB[12..15] 5
2 VCC3.3
BB1P
PB[18..23]
PB[18..23] 5
GB1P +5V
PB[6..11] Add R431 - Max 20071003
PB[6..11] 5
R431
RB1P 10K 1/16W 5%
PB[0..5]
PB[0..5] 5
R488 100R 1/16W 5%
adj_BACKLIGHT 2
R499 100R 1/16W 5%
VCM_PWM 5
WP
R433
4K7 1/16W 5%
on_PANEL 5
Q406
MMBT3904
R411 100R 1/16W 5% POWER
R418 100R 1/16W 5% KEY 1
R420 100R 1/16W 5% KEY 2
DET_INPUT 3
R422 4K7 1/16W 5%
R423 4K7 1/16W 5%
R405 22K 1/16W 5%
on_BACKLIGHT 2
C422
R406 0.1uF/16V
10K 1/16W 5%
100R 1/16W 5%
AUDIO_MUTE 2
HDCP_RST 3
MWP
MSCL
MSDA
ESP 5
OSP 5
GPO[0..5]
GPO[0..5] 5
VCC3.3
R424 R426
10K 1/16W 5% 10K 1/16W 5%
U403
8
VCC
MWP R427 100R 1/16W 5% 7
WC
MSCL R428 100R 1/16W 5% 6
SCL
MSDA R429 100R 1/16W 5% 5
SDA
R425
10K 1/16W 5%
AF24BC16-SI
26
VCC1.8 VDDC_1.8
FB401
0R05 1/10W 5%
C403 +
10uF/16V
C404 C405 C406
0.1uF/16V 0.1uF/16V 0.1uF/16V
VCC1.8 FB405 AVDD_1.8
BEAD 120 OHM
C416
0.1uF/16V
VDDP_3.3
VCC3.3 FB403
CHIP BEAD 120 OHM
+
C408
10uF/16V
C409 C410 C411 C412 C413
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
VCC3.3 FB402 AVDD_3.3
BEAD 120 OHM
C407 C414 C415
0.1uF/16V 0.1uF/16V 0.1uF/16V
VCC3.3 VCC3.3
R413 R408
VOLUME 2
10K 1/16W 5% 10K 1/16W 5%
Q401 Q403
MMBT3906 MMBT3906
LED_G
R421 470R 1/16W 5% R419
DDC_WP 3
Q402
MMBT3904
VCC3.3
R475
3.9K OHM 1% 1/16W
KEY 1
KEY 2
POWER
LED_G
LED_A
C426 C427 C428 C429 D401
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V UDZSNP5.6B
C425
0.22uF
1
NC
2
E1
3
E2
4
VSS
T P V ( Top Victory Electronics Co . , Ltd. ) OEM MODEL VK222U
絬 隔 瓜 絪 腹 G2670-1-2-X-2-080110 TPV MODEL TC72MPFKW3USDI
Key Component 4. SCALER PCB NAME
715G2670-1-2
Thursday , January 10, 2008 Sheet 4 of
Date
ASUS VK222U/S
C402
0.1uF/16V
C419 C420 C456 C457
0.1uF/16V 0.1uF/16V 0.1uF/16V 0.1uF/16V
LED_A
470R 1/16W 5%
R474
3.9K OHM 1% 1/16W
CN403
1
2
3
4
5
6
C430 D402
CONN
0.1uF/16V UDZSNP5.6B
Size C
Rev 1
称爹 <称爹>
5