AOC 2236VWA Service Manual

21.5" LCD Color Monitor AOC 2236Vwa
17
7. Schematic
7.1 Main Board
R404 1K 1/16 W 5%
NC
DDC2_SC L2
R408
NC
C410
0.1uF/16V
CN402
CONN
1
2
3
4
5
6
7
R416 100R 1/16W 5%
10K 1/16W 5%
R430
PB1
TOUCH_POWER BUZZER
R462
NC
VCC 1.8
VDVI
KEY2
R434
0R05 1/16W
U402
0R 1/16W 5%
AVDD
LF_B
Without NVRAM
R442
NC
R459 NC
U402
AOC 2236VWA B
NEW R SERIES
Custom
55Wednesday , June 10, 2009
<
称爹 >
5.0.SC ALER
G3329-C-2-X-2-090401
OE M MOD E L Si ze
Rev
Date
Sheet
of
TPV MOD EL
PCB NAME
称爹
T P V ( Top Victory Electronics Co . , Ltd. )
Key Component
絬 隔 瓜 絪 腹
PB[0..9]
TSUMU58EHL-LF-1
23
20
21
18
22
19
17
27
28
15
26
25
37
39
38
40
47
86
59
96
97
60
61
62
63
64
65
67
68
69
70
71
72
73
74
77
78
58
55
54
2 5
3
4
6
7
8
9
10
12
13
11 29 33
24 56
53
52
81
51
30
31
100
1
93
14 75
35
48
85
88
89
90
91
92
94
95
99
43
44
84
41
42
98 16 32 49 66 82 34
50 57 76 79 83
80
87
36
45
46
RIN0P
GIN 0P
SOGIN 0
BIN0P
RIN0M
GIN 0M
BIN0M
HSYNC0
VSYN C0
REXT
REFP
REFM
SDO
SCK
SCZ
SDI
PWM2/GPIO_P24
PWM3/GPIO_P27
LVACKM
XO U T
XI N
LVA2P
LVA2M
LVA1P
LVA1M
LVA0P
LVA0M
LVB3P
LVB3M
LVBCKP
LVBCKM
LVB2P
LVB2M
LVB1P
LVB1M
LVB0P
LVB0M
LVACKP
LVA3M
LVA3P
GND GND
RX2P
RX2N
RX1P
RX1N
AVDD_33
RX0P
RX0N
RXCKP
RXCKN
GND GND GND
AVDD_33
VDDP
MOD E[ 1]
MOD E[ 0]
VCTRL
VDDC
DDCA_SDA/RS232_TX
DDC A_SCL/rs232_R X
DDCD_SDA
DDCD_SCL
PWM1/GPIO_P16
AVDD_33
VDDP
GPIO_P22/PWM0
GPIO_P45/PWM1
GPIO_P25
GPIO_P01/SAR1
GPIO_P02/SAR2
GPIO_P03/SAR3
GPIO_P07
GPIO_P15
GPIO_P12
GPIO_P13
GPIO_P14/PWM0
GPIO_P11/I2C_MDA
GPIO_P10/I2C_MCL
RST
GPIO_P47
GPIO_P46
AVDD_33 AVDD_33
VDDP VDDP
VDDC VDDC VDDC
GND GND GND GND GND
BYPASS
GPIO_P00/SAR0
GPIO_P23
GPIO_P43
GPIO_P42
NC
56 pF
PA[0.. 9] 3
PB5
R412
10K 1/16W 5%
100R 1/16W 5%
For NVRAM
WP
LF_B
CN406
NC/CONN
1
2
3
NC
BUZ ZER
R419 0R 05 1/ 16W
C431
NC
C421 47pF
VMPLL
KEY2
R407
10K 1/1 6W 5%
PB9
NC
MSD A
PA3
LED_GRN/BLUE
EE_WP
U402
EN25F20-100GCP
1
2
3
4 5
6
7
8
CS#
DO
WP#
VSS DI
CLK
HOLD#
VCC
SST
R405 0R05 1/ 10W 5%
R411
NC
R429
R461
CMVCC1
For detect function,
depend on FW
DSUB_G-2
Q401
LMBT3904LT1G
FB401
300OHM
CN405
NC/CONN
1
2
3
4
5
6
7
瑉红 (93G 22-53-J)
CMVCC1
ZD401
NC
C409
0.1uF /16V
R420NC
C433
NC
C423
NC
R436
10K 1/16W 5%
U402
R442
X401
DSUB_V2
R414
0R05 1/16W
100R 1/16W 5%
C420 47pF
For BUZZER control board
or Touch Panel
R452 0R05 1/ 16W
VCC 3.3
NC
PA0 FB404
300OHM
R454 NC
R446
NC
VPLL
CMVCC 1
LED O
POWER_KEY #
LED_ORANGE
C405
0.1uF/16V
10K 1/16W 5%
32 pF
CMVCC1
C413
0.1uF/ 16V
C406
0.1uF/16V
VCC 3.3
NC
PA4
Q408
NC
C408
0.1uF /16V
For user data, WB, EDID,
HDCP are saved in
Flash.
100R 1/16W 5%
27 pF
VDDC
C417
0.1uF/16V
R457 NC
DVI 1_5V
R453 NC
Normal Function : CL = Cs + ((Cg*Cd)/(Cg+Cd))
蔼 (93G 22-53B-H)
adj_BACKLIGH T 4
R440
R447
NC
on_BACKLIGH T 4
MSD A
NC
VCC3. 3
R424 100R 1/16W 5%
For All model
VCC 3.3
R425 NC
PA9
R401 390 OHM 1/16W
R441
NC
R417 100R 1/16W 5%
VCC1.84
020A
2.2K 1/16W 5%
MSC L
R445 NC
C423
RXCP2
R455 NC
DDC1_SC L2
0.22uF16V
Q408
RX0P2
R432
3. 9K OHM +-1% 1/16W
NC
P.S : Assume Cs = 4 pF
DSUB_H2
PANEL_ID # 4
R459
VCC3. 3
PA[0..9]
R433
3. 9K OHM +-1% 1/16W
DSUB_B-2
DET_CABLE 2
FB405
NC
R420 NC
R429 NC
R441
VDDP
R430
NC
PB0
MSC L
C414
0.1uF/ 16V
+
C419
10UF 50V
2N3906S
R455
LED_GRN/BLUE
R460
NC
C411
0.1uF/ 16V
010A
100R 1/16W 5%
RXCN2
PA5
R427
NC
CL of SPEC
RX2P2
PA7
R458 NC
U403
NC
1
2
3
45
6
7
8
NC
E1
E2
VSSSDA
SCL
WC
VCC
R422
100R 1/16W 5%
VCC 3.3
PB8
PB6
U403
Indirect LED
DSUB_B+2
DDC_WP 2
R421
100K 1/16W 5%
2N3906S
X'TAL
DSUB_G+2
PA2
X401
14.31818MHz
1 2
PA6
C416
0.1uF 16V
R406
22K 1/16W 5%
Eon
NC
C422 0.1uF/16V
R423
0R05 1/16W
R418
0R05 1/ 16W
DSUB_R -2
M24C04-WMN6TP
2.2K 1/16W 5%
KEY1
POWER_KEY #
KEY1
VPLL
VCC 3.3
Q405
2N3906S-RTK/PS
1
23
Max condition for LED:
1. Vcc = 3.3 V
2. Current = 12 mA
FW need to be
modified.
WP
R457
C402
4.7uF/ 10V
10K 1/16W 5%
VCC3. 3
RX1P2
VCC3.3
Cs and Cd (C420, C421)
AVDD
VDD P
DSUB_R +2
PB7
C412
0.1uF /16V
LED O
CN401
NC/CONN
1
2
3
4
5
6
C438
NC
SST
AVDD
PA8
Direct LED
VDVI
CN404
NC/CONN
1
2
3
4
5
6
0R 1/16W 5%
R402
1K 1/16 W 5%
C407
0.1uF/16V
0R 1/16W 5%
VDDC
DDC2_SD A2
PB4
Q407
PB3
C401
0.22uF 16V
C404
0.1uF /16V
PB2
R431
NC
VMPLL
VCC3. 3
Volume# 4
LVDS
R462
RX2N2
R461
0R05 1/10W 5%
FB410
300OHM
PB[0.. 9] 3
C436
1uF 10V
NC
PA1
R451 NC
FB402
300OHM
DDC1_SD A2
EE_WP
CMVC C1
R440
NC
18 pF
VCC3.3
Mut e 4
R409 100R 1/16W 5%
C434
NC
HDCP_CTRL 2
R456
22R 1/ 16W 5%
CN403
NC/CONN
2
4
6
8
1
3
5
7
NC
RX1N2
Q407
NC
R453
R435
NC
NC
CMVCC 1 2
DSUB_SOG2
LED G_B
C403
0.1uF/ 16V
020
NC
VCC3.32,4
R415 100R 1/16W 5%
Eon
VCC 3.3
C432
0.1 uF/ 16V
C415
0.1uF /16V
CMVC C1
R428 100R 1/16W 5%
C435
NC
R419
R426 NC
10K 1/16W 5%
NC
RX0N2
LED_OR ANGE
LED G_B
PPWR_ON #3
Befor AOC ID2007 OSD
0R 1/16W 5%
10K 1/16W 5%
For ID2008 ID2009

AOC 2236VWA Specifications

General

Brand	AOC
Model	2236VWA
Category	Monitor
Language	English