Optima L903AD+ Service Manual page 22

19" LCD Color Monitor
U401
VCC3.3
59
3 RIN
58
3 GNDR
R489 R490 56
3 GIN
55
3 GNDG
10K 1/16W 10K 1/16W 57
3 SOG
54
3 BIN
53
3 GNDB
63
3 HSY NC
64
3 VSY NC
65
3 DDCA_SDA
66
3 DDCA_SCL
39
3 R+
40
3 R-
42
3 G+
43
3 G-
45
3 B+
46
3 B-
48
3 CLK+
49
3 CLK-
36
3 DDCD_SDA
37
3 DDCD_SCL
51
AVDD
R403 390 1%
62
C401
VCC3.3 0.1uF 61
R486
U402
VCC3.3 8 2 70
VDD SDO
C417 NC 7 1 71
HOLD# CE#
3 6 72
WP# SCK
0.1uF 4 5 73
VSS SDI
C418
+
WP SST25VF010-20-4C-SAE
10uF/16V NC R487
19
10K 1/16W
R404
10K 1/16W NC C421 22pF 32
X401
14.318MHz
33
C423 22pF
VCC3.3
R407 NC 102
R410 NC 104
R415 R416
+5V
10K 1/16W 10K
U406
3 2
VCC RST
ASM810MEURF-T
Re s e t
Circuit
+5V
R430
1K
R431 0 1/16W
R433 NC
Volume
Q404
PMBS3904
VDVI VMPLL VPLL AVDD VDDP VDDC
11
VCTRL
PA0
107
NC/LVACKP/NC
PA1
108
RIN0P NC/LVACKM/NC
PA2
109
RIN0N RA1P/LVA2P/RA2
110 PA3
GIN0P RA1N/LVA2M/RA3
111 PA4
GIN0N RA2P/LVA1P/RA4
112 PA5
SOGIN0 RA2N/LVA1M/RA5
113 PA6
BIN0P RA3P/LVA0P/RA6
114 PA7
BIN0N RA3N/LVA0M/RA7
HSY NC0
PA8
98
VSY NC0 GA1P/NC/GA2
PA9
99
DDCA_SDA GA1N/NC/GA3
PA10
100
DDCA_SCL GA2P/NC/GA4
101 PA11
GA2N/NC/GA5
105 PA12
RX2P GA3P/LVA3P/GA6
106 PA13
RX2N GA3N/LVA3M/GA7
RX1P
89 PA14
RX1N BA1P/NC/BA2
90 PA15
RX0P BA1N/NC/BA3
PA16
91
RX0N BA2P/NC/BA4
PA17
92
RXCKP BA2N/NC/BA5
PA18
93
RXCKN BA3P/NC/BA6
PA19
94
DDCD_SDA BA3N/NC/BA7
DDCD_SCL
9 PB0
RB1P/NC/RB2
10 PB1
RB1N/NC/RB3
15 PB2
RB2P/NC/RB4
16 PB3
REXT RB2N/NC/RB5
17 PB4
RB3P/NC/RB6
PB5
18
RB3N/NC/RB7
REFP
PB6
2
GB1P/NC/GB2
PB7
3
GB1N/NC/GB3
5 PB8
REFM GB2P/NC/GB4
6 PB9
GB2N/NC/GB5
7 PB10
GB3P/NC/GB6
8 PB11
GB3N/NC/GB7
TSUM56AK
118 PB12
CLKAP/LVB3P/LHSY NC
PB13
RSDS/LVDS/TTL 119
SDO CLKAN/LVB3M/LVSY NC
PB14
120
SCZ CLKBP/LVBCKP/LCK_ODD
PB15
121
SCK CLKBN/LVBCKM/LDE
122 PB16
SDI NC/LVB2P/NC
123 PB17
NC/LVB2M/NC
124 PB18
BB1P/LVB1P/BB2
125 PB19
BB1N/LVB1M/BB3
126 PB20
BB2P/LVB0P/BB4
127 PB21
RST BB2N/LVB0M/BB5
128 PB22
BB3P/NC/BB6
PB23
1
BB3N/NC/BB7
ESP
80
ESP
81 OSP
XIN OSP
88 GPO0
GPO0
87 GPO1
GPO1
86 GPO2
GPO2
85 GPO3
XOUT GPO3
84 GPO4
GPO4
83
GPO5
82
GPO6
75
GPIO_P22
74
GPIO_P23
26
GPIO_P03
35
GPIO_P16
69
MODE[0] GPIO_P15
78 R488 NC
MODE[1] PWM2/GPIO_P24
79
GPIO_P27/PWM1
20
GPIO_P16
21
PWM1/GPIO_P25
22
GPIO_P17/SAR0
1/16W 23 R418 100 1/16W
GPIO_P00/SAR1
24 R420 100 1/16W
GPIO_P01/SAR2
25 R411 100 1/16W
GPIO_P02/SAR3
27 R422 4.7K 1/16W
GPIO_P06
28 R423 4.7K 1/16W
GPIO_P07
29
PWM0/GPIO_P26
30
GPIO_P13
31
GPIO_P14
77 VCC3.3
DDCROM_SCL
76
DDCROM_SDA
R424 R425
10K 1/16W 10K 1/16W
R428
R429
FB407
600 OHM +12V
+12V 2
+5V
+5V 2,3
FB408 +5V
600 OHM
CN404
R484 R485
10K 1/16W 10K
1 2
1/16W 3 4
5 6
R432 0 1/16W 7 8
9 10
OUT-L+ 11 12 OUT-R+
OUT-L- OUT-R-
C431 13 14
NC
CONN
VCTRL 2
P[0..7]
PA[0..7] 5
PA[8..13]
PA[8..13] 5
PA[14..19]
PA[14..19] 5
PB[0..5]
PB[0..5] 5
PB[6..11]
PB[6..11] 5
PB[12..23]
PB[12..23] 5
ESP 5
OSP 5
GPO[0..4]
GPO[0..4] 5
R405
DDC_WP 3
22K 1/16W Q402
PMBS3904
C422 VCC3.3
R406 0.1uF
10K 1/16W R481 R482
NC NC
on_PANEL_12V 2
B Q405
DET_DVI 3
NC
DET_VGA 3
WP
R483
on_PANEL 2
NC
on_BACKLIGHT 2
adj_BACKLIGHT 2
KEY 1
KEY 2
POWER
Volume
AUDIO_MUTE
AUDIO_STBY
C425
R426 0.1uF
U403
10K 1/16W
8 1
VCC A0
R427 100 1/16W 7 2
WP A1
100 1/16W 6 3
SCL A2
100 1/16W 5 4
SDA GND
KEY 2
AT24C16N-10SC-2.7
Option
KEY 1
LED_G
LED_A
POWER
C426
1/16W 0.1uF
CN403
AUDIO_STBY
AUDIO_MUTE
KEY _B 1 2 KEY _A
LED_G 3 4 LED_A
KEY _AUTO KEY _MENU
5 6
KEY _RIGHT KEY _LEFT
7 8
POWER
9 10
KEY _C
11 12
OUT-L+ 13 14 OUT-R+
OUT-L- 15 16 OUT-R-
CONN
GND
22
VCC1.8 FB401 VDDC
2 VCC1.8
600 OHM
2 VCC3.3
C403 +
4.7uF/16V
C404 C405 C406
0.1uF 0.1uF 0.1uF
VCC3.3 FB403
VDDP
2 VCC3.3
600 OHM
C408 +
10uF/16V
C409 C410 C411 C412 C413
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
VCC3.3 FB404 VDVI
2 VCC3.3
600 OHM
C414 C415
0.1uF 0.1uF
VCC3.3 FB406 VMPLL
2 VCC3.3
600 OHM
C419 C420
0.1uF 0.1uF
+5V
+5V 2,3
VCC3.3
R408
KEY A
R412 10K 1/16W
C616 10K 1/16W R413 R414
NC 10K 1/16W 120 1/16W
R417 20K 1/16W
Q401
C424 0.1uF
PMBS3906
LED_G
R421 0 1/16W
VCC3.3
R474 R475
3.9K 1/16W 3.9K 1/16W
R476 1K 1/16W
R478 1K
R477 1K 1/16W
C427 C428 C429 D401 C430 D402
RLZ36B
0.1uF 0.1uF 0.1uF 0.1uF
RLZ36B
Title
Size Document Number
C
Date: Thursday , May 12, 2005
Optima L903AD+
VCC3.3 FB402 AVDD
600 OHM
C407
0.1uF
VCC3.3 FB405 VPLL
2 VCC3.3
600 OHM
C416
0.1uF
VCC3.3
R409
120 1/16W
Q403
PMBS3906
LED_A
R419 0 1/16W
KEY _AUTO
KEY _RIGHT
1/16W KEY _A
R480 1.5K 1/16W KEY _B
KEY _MENU
KEY _LEFT
R479 1K 1/16W KEY _C
TSUM56AK
Rev
SCALER A
Sheet 1 of 5