LG 60PK750 Service Manual page 21

RGB
+5V_VGA
P900
SPG09-DB-010
RED_GND
6
GND_2
1
11
RED
GREEN_GND
7
DDC_DATA
2 12
GREEN R942
BLUE_GND
8
H_SYNC
3 13
BLUE R944
NC
9
JP1113
V_SYNC
4 14
READY FOR BEAD
GND_1
JP1112 b c m R E F c i r c u i t
SYNC_GND
10
DDC_CLOCK
5 15 +3.3V_MULTI
DDC_GND
16
SHILED
READY
C914
0.1uF
16V
GND
R903
10
C905 C908
220pF 220pF
50V 50V
READY READY
R902
10
C901
C906
270pF
D900
220pF
50V
50V
READY
READY
C902
0 . 1 u F
50V
RS232C
$0.179
+3.3V_ST
R900 R901
4.7K 4.7K
RS232C_TXD
RS232C_RXD
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.
Copyright © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
All manuals and user guides at all-guides.com
R943 0
DSUB_R
READY
C912
4.7pF
0
DSUB_G
READY
C913
0 4.7pF
DSUB_B
READY
C915
4.7pF
DSUB_VSYNC
R916
0
DSUB_HSYNC
R915
R917
0
1K
DSUB_DET
DDC_SCL/UART_RX
DDC_SDA/UART_TX
PC_SER_DATA
PC_SER_CLK
M24C02 COMPARE THE COST
D901
ROM DOWNLOAD FOR PDP
IC901
AT24C02BN-10SU-1.8 STM_2K_EEPROM
1 8
R922
2 7
R913
3 6
4 5
C918
18pF 18pF
50V
IC901-*1
R1EX24002ASAS0A
A0 VCC
1 8
A1 2 7 W P
A2 SCL
3 6
VSS SDA
4 5
RENESAS_2K_EEPROM
PC AUDIO
JK900
PEJ027-01
C911
0 . 1 u F
50V
D902
ADUC30S03010L_AMODIODE
30V
D903
ADUC30S03010L_AMODIODE
30V
RGB V/HSYNC BUUFFER
RGB_VSYNC
RGB_HSYNC
+5V_VGA
+5V_MULTI
ENKMC2838-T112
D912
R924
R923
2.7K
2.7K
100
EDID_WP
R929
10K
0
DDC_SCL/UART_RX
R930
0
DDC_SDA/UART_TX
C919 R932
22
50V
R934
22
E_SPRING
3
T_TERMINAL1
6A
B_TERMINAL1
7A
PC_R_IN
R931
D910
R_SPRING 0
4
READY
READY
5.6V
R935
R926
12K
470K
T_SPRING
5
B_TERMINAL2
7B
PC_L_IN
R933
D911
T_TERMINAL2
6B 0
READY
READY
5.6V R927
R936
470K
12K
+5V_MULTI
IC903
74F08D
D0A VCC
1 14
003:B2 R959
22
D0B D3B C928
2 13
0.1uF
R953
Q0 D3A
22
12
3
003:B2
D1A Q3
4 11
D1B D2B
5 10
Q1 D2A
6 9
GND Q2
7 8
BCM Reference
S U B B o a r d I / F
+3.3V_ST
+3.3V_ST
R914
47K
R910 +3.3V_ST
22
R925
IR_NEC
47K
READY
R921 R940
C 10K
Q901 10K
B
2SC3052
E
R928
C 47K
B
Q902
E
2SC3052
C903
10pF
IR
+3.3V_ST
R938 R941
10K 10K
KEY1
C930
10pF
KEY2
R937
C926
4.7K
R945 10pF
22 LED-RED
LED_RED
C931 D913
10pF
R946
22
SUB_SCL
D915
SUB_SDA
R947 CDS3C05HDMI1
READY
C924 22 5.6V
10pF
D916
CDS3C05HDMI1
C923
+3.3V_ST 5.6V
10pF
READY
L900
+5V_MULTI
MLB-201209-0120P-N2
C927
+3.3V_MULTI
L901 0 . 1 u F
3.3V_MULTI
MLB-201209-0120P-N2
16V
R939
4.7K C932
0 . 1 u F
LED-WHITE
16V
LED_WHITE
C933
10pF
DSUB_VSYNC
DSUB_HSYNC
FOR PK/J90 - BREATING
+5V_MULTI LED_PK950
L903
MLB-201209-0120P-N2
LED_PK950 JP1108
R988
10
LED_BREATHING JP1109
JP1110
C929
10pF
READY
P906
12507WS-12L
IR
1
GND
2
JP1111
KEY1
3
KEY2
4
5
GND
6
SCL
7
SDA
8
GND
9
3.3V_ST
10
11
12
13
GND
EAX61354901
LVDS/RS232//RGB
LGE Internal Use Onl
P907
12507WR-03L
LED_PK950
1
2
3
4
1 0 1 3