USB DOWN STREAM
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

IC400
AP2191DSG
3IN_2
2IN_1
4EN
1GND
5
FLG
6
OUT_1
7
OUT_2
8
NC
USB_DM 1:AL8
JP411
C422
0.33uF
16V
Hotel_Model(RS232C apply)
PM_TXD
+3.3V_ST
L403
BLM15BD121SN1
VA420
20V
D416
MMBD6100
A2
CA1
VA424
20V
RGB_DDC_SCL
+3.3V_ST
R467
15K
JK406
SPG09-DB-010
1RED
2GREEN
3BLUE
4GND_1
5DDC_GND
6RED_GND
7GREEN_GND
8BLUE_GND
9NC
10 SYNC_GND
11 GND_2
12 DDC_DATA
13 H_SYNC
14 V_SYNC
15 DDC_CLOCK
16SHILED
JP408
DSUB_VSYNC
2:E18
R457
0
OPT
R448
10K
VA417
20V JP427
R442
75
R464
470K
OPT
VA425
20V
C403
18pF
50V
OPT
VA400
20V
C421
47pF
50V
PC_R_IN
JP402
JP404
DSUB_G+
JP401
JP429
C413
220pF
50V
R466
15K
JP400
R445 0
C404
10uF
10V
OPT
JP403
JK401
KJA-PH-1-0177
3 M3_DETECT
4 M4
5 M5_GND
1 M1
6 M6
DSUB_B+
R470
10K
VA403
5.5V
USB_OCD
VA406
5.5V
C405
0.1uF
C401
18pF
50V
OPT
JP428
VA402
5.5V
JP409
USB_DP 1:AL7
C414
220pF
50V
L401
BLM15BD121SN1
C419
47pF
50V
R449
0
OPT
R469
10K
+5V_Normal
JP407
VA423
20V
DSUB_DET
DSUB_R+
R455
0
OPT
JK403
3AU04S-305-ZC-(LG)
1234
5
L402
BLM15BD121SN1
R473
47
RGB_DDC_SDA
R444 0
PC_L_IN
R465
470K
OPT
R460
0
NON_Hotel_Model(RS232C Bypass)
R462
100
JP412
C425
0.1uF
16V
Hotel_Model(RS232C apply)
IC401
MAX3232CDR
Hotel_Model(RS232C apply)
3C1-
2V+
4C2+
1C1+
6V-
5C2-
7DOUT2
8RIN2
9
ROUT2
10
DIN2
11
DIN1
12
ROUT1
13
RIN1
14
DOUT1
15
GND
16
VCC
R459
0
NON_Hotel_Model(RS232C Bypass)
P1104
12507WS-04L
1
2
3
4
5
DSUB_HSYNC
2:E18
VA427
20V
OPT
R451
0
JP413
R454
0
OPT
PM_RXD
PM_RXD
+3.3V_Normal
JP416
VA418
20V
+5V_USB
C420
47pF
50V
R463
0
(OPT)IR_OUT
R472
10K
C426
0.1uF
16V
Hotel_Model(RS232C apply)
+3.3V_ST
+3.3V_ST
VA422
20V
R443
75
C400
0.1uF
VA428
20V
OPT
R441
75
C424
0.33uF
16V
Hotel_Model(RS232C apply)
R452
47K
VA415
20V
PC_AUDIO_DET
VA407
20V
OPT
C423
0.33uF
16V
Hotel_Model(RS232C apply)
R447
10K
IR_OUT
USB_CTL
JP405
R446 0
VA419
20V
JP410
R461
100
VA401
20V
R458
0
OPT
R471
1K
PM_TXD
JP406
JK404
KJA-PH-1-0177
Hotel_Model(RS232C apply)
3M3_DETECT
4 M4
5M5_GND
1 M1
6 M6
R468
470K
Q400
MMBT3904(NXP)
E
B
C
R435
10K
R418
47K
+3.3V_Normal
VA426
5.5V
OPT
R411
0
ETHERNET(T2_UK/BR_GINGA)
VA405
5.5V
OPT
EPHY_RP
VA404
5.5V
OPT
JK402
XRJV-01V-0-D12-080
(Sub)ETHERNET(T2_UK/BR_GINGA)
1
2
3
4
5
6
7
8
9
9
EPHY_TN
EPHY_RN
EPHY_TP
VA409
5.5V
OPT
C410
0.01uF
50V
ETHERNET(T2_UK/BR_GINGA)
MGJ63348202
M1-*1
JackShield(for CKD)
MGJ63348201
M1
JackShield(for NonCKD)
JK402-*1
RJ45VT-01SN002
(Main)ETHERNET(T2_UK/BR_GINGA)
11
22
33
44
55
66
77
88
9
9
120103
ESD diode addition
EAF61530301 2EA
111026
ESD diode deletion
EAH39491601 2EA
To Improve EMI
11.10.31
To Improve Ringing issue
LOW capacitance Part apply
11.10.27

PC AUDIO(SIDE) USB(SIDE)

4 13

12.07.02
BY.Hwang

RS232C

12.08.10
47K->470K

ETHERNET

Jack Shield (HDMI1,RGB)

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

DSUB RGB

121128
ESD improve
OPT->APPLY
121226
Use to keep DET LOW
EAX65283603
2013.1.1429LN4500
Copyright © 2013 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
LGE Internal Use Only