LG 22MA33N, Руководство по обслуживанию

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U
S
B
D
O
W
N
S
T
R
E
A
M
THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES
SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.
FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS
ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR
THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC.
INTERFACE
+3.3V_ST
JP_GND2
JP400
R419
47
JP427
DSUB_VSYNC 2:E18
R413
10K
DSUB (NON 28INCH MODEL)
D416
MMBD6100
DSUB (NON 28INCH MODEL)
A2
C
A1
PM_TXD
VA402
5.5V
DSUB (NON 28INCH MODEL)
JP_GND4
R434
47K
DSUB (NON 28INCH MODEL)
JP409
+3.3V_ST
R435
10K
DSUB (NON 28INCH MODEL)
R402
75
DSUB (NON 28INCH MODEL)
VA415
20V
DSUB (NON 28INCH MODEL)
JP_GND1
C400
0.1uF
PM_RXD
JP407
USB_OCD
Q400
MMBT3904(NXP)
DSUB (NON 28INCH MODEL)
E
B
C
JP406
JP401
R400
75
DSUB (NON 28INCH MODEL)
JK402
3AU04S-305-ZC-(LG)
1
2
3
4
5
R415
100
R414
100
USB_CTL
DSUB_DET
JP410
VA400
20V
DSUB (NON 28INCH MODEL)
R417
10K
JK400
SPG09-DB-010
DSUB (NON 28INCH MODEL)
1
R
E
D
2
G
R
E
E
N
3
B
L
U
E
4
G
N
D
_
1
5
D
D
C
_
G
N
D
6
R
E
D
_
G
N
D
7
G
R
E
E
N
_
G
N
D
8
B
L
U
E
_
G
N
D
9
N
C
1
0
S
Y
N
C
_
G
N
D
1
1
G
N
D
_
2
1
2
D
D
C
_
D
A
T
A
1
3
H
_
S
Y
N
C
1
4
V
_
S
Y
N
C
1
5
D
D
C
_
C
L
O
C
K
1
6
S
H
I
L
E
D
+5V_Normal
JP429
RGB_DDC_SCL
JP428
IC400
AP2191DSG
3
IN_2
2
IN_1
4
EN
1
GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
VA425
20V
DSUB_HSYNC 2:E18
USB_DM
1:AL8
+5V_Normal
VA403
5.5V
DSUB (NON 28INCH MODEL)
RGB_DDC_SDA
R401
75
DSUB (NON 28INCH MODEL)
VA417
20V
DSUB (NON 28INCH MODEL)
VA401
20V
DSUB (NON 28INCH MODEL)
R418 47K
DSUB (NON 28INCH MODEL)
R408
10K
DSUB (NON 28INCH MODEL)
JP_GND3
VA406
5.5V
DSUB (NON 28INCH MODEL)
USB_DP 1:AL7
JP408
C405
0.1uF
VA418
20V
DSUB (NON 28INCH MODEL)
VA424
20V
JP405
P400
12507WS-04L
1
2
3
4
5
R437
0
R436
0
(OPT)MSTAR DEBUG_28" ONLY
+5V_Normal
RGB_DDC_SDA
RGB_DDC_SCL
R440
0
(OPT)MSTAR DEBUG_28" ONLY
R441
0
(OPT)MSTAR DEBUG_28" ONLY
R438
10K
(OPT)MSTAR DEBUG_28" ONLY
R439
10K
(OPT)MSTAR DEBUG_28" ONLY
4 12
To Improve EMI
111026
ESD diode deletion
EAH39491601 2EA
USB(SIDE)
120103
ESD diode addition
EAF61530301 2EA
DSUB RGB
11.10.27
To Improve Ringing issue
LOW capacitance Part apply
11.10.31
NC4_S7LRM
120918
JIG GND Point addition
121128
ESD improve
OPT->APPLY
121128
ESD improve
OPT->APPLY
121128
ESD improve
OPT->APPLY
121128
ESD improve
OPT->APPLY
121128
ESD improve
OPT->APPLY
121128
ESD improve
OPT->APPLY
121128
ESD improve
OPT->APPLY
DEBUG FOR MSTAR
2013.05.25
EAX65374601_Brazil_22"/26"/28"
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Only for training and service purposes LGE Internal Use Only