LG 42PJ350R Service Manual page 18

EAX61365502(BPR)
H6 Revolution Circuit Diagram
P200
SMAW200-H18S1
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
17 18
19
100
R236
R203 100
RL_ON/POWER_ON
IC201
MP2305DS
R4
C1
R207
100K C210
0.01uF BS SS
1 8
L200
CB3216PA501E
IN EN
+17V_TI 2 7
SW COMP
C204
C202 3 6
C2 C8
10uF
READY
16V
GND FB
4 5
L1
L202
D1
22uH C5 C213
ZD201 READY
READY
IC200
AP2121N-3.3TRE1
16mA 12mA
VIN VOUT
+5V_ST 3 2
MAX 300mA
1
C200 C206
25V 25V
22uF GND 22uF
0.01uF 0.01uF
16V C201 16V C209
1420mA
+5V_ST
C207
22uF
16V
+3.3V_MPLL
C
R201
10K B Q200
RT1C3904-T112
E
RL_ON/POWER_ON
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.
/ Power / LVDS / Option
Copyright © 2010 LG Electronics Inc. All rights reserved.
Only for training and service purposes
Power Block
+5V_MULTI
+17V_TI
R226
4.7K
R231
100
ERROR_DET
+5V_ST
AC_DET
C205
0.01uF
25V
M5V_ON L201
MLB-201209-0120P-N2
+5V_MULTI
USB
120-ohm C208 C212
100uF 0.01uF
16V 25V
R248
0
READY
C223
R216
READY READY
C7
C221
R5
0.1uF
C6
C215 READY
R2
C217 R213
3.6K
4700pF
50V V=0.923X(1+R1/R3)=7.2V
THE RECOMMANDED VALUE OF R3 IS 10K
10K
R208 R215
R1 68K
IC202
R3
AZ1117H-ADJTRE1(EH11A)
R225
INPUT ADJ/GND 330
3 1
1/10W
2
C218 C224 1%
C9 OUTPUT
22uF C222 0.1uF
100uF 16V
16V
16V
3225 L203
CBC3225T330KR
C225
TYPICAL 3A
IC203
AZ1085S-3.3TR/E1
1391mA
INPUT OUTPUT
MAIN SUB MICOM 3 2
MAIN I2C PULL UP 1
+3.3V_MPLL
RS232C-TRANCEIVER
ADJ/GND
C219
CEC LEVEL SHIFT
100uF
16V
MP2305DS
R4
Q201
C1
R243
100K C231
RTR030P02 0.01uF BS
1
S D
1420mA
IN
2
SW
25V C230
C229 3
C214 C2 C8
0.01uF C216
10uF
100uF READY
0.01uF
C211 16V
16V
25V
G GND
4
3.2A / P-CHANNEL
L803
D1
10uH
ZD200
READY
KEY/IR Interface
SEPARATE GND
P203
R1
0 12507WS-12L
R2
0
CGND1
IR
1
R3
+3.3V_MPLL
0
GND
2
R4
0
CGND2
KEY1
3
R5
0
KEY2
4
R6
0
CGND3
RED_LED
5
R7
0
GND
6
R8
0
CGND4
SCL
7
SDA
8
+3.3V_MPLL
GND
9
3.3V_MPLL
10
3.3V_MST
11
WHITE_LED
12
13
GND
+5V_TU TUNER
100uF
16V
MAIN IC : 4 PAGE
356mA
+3.3V_MST
IC205
AZ1117H-ADJTRE1(EH11A)
R212
85mA INPUT ADJ/GND 36
3 MAX 1A 1
1/10W
2
1%
C220 OUTPUT
R211
0.01uF
75
25V
1%
1.899V
59mA
+1.8V_DDR
C226
25V
47uF DDR2 & Vref
0.01uF
16V
C227
IC204
C236
R247
READY READY
C7
C235
R5
0.1uF
SS
8
C6
EN
7
C232 READY
R2
COMP
6
C233 R245
3.6K
4700pF
FB
50V V=0.923X(1+R1/R3)=1.266V
5
THE RECOMMANDED VALUE OF R3 IS 10K
R246
R244 10.5K
R1
3.9K
1%
1%
R3
L1
930mA
+1.2V_MST
MAIN IC CORE
C5 C238 C234
C9
22uF C237
READY
100uF
16V
16V OUT:1.27V
3225
+5V_ST
IR
HOTEL
C
R224 HOTEL
4.7K B Q202
HOTEL
2SC3052
R232
22
R220 R223 E
IR_OUT
10K
10K
R227
4.7K
+3.3V_MPLL
KEY1
HOTEL
R240
10K
KEY2
R230
LED_R
100
A2
C
LED_BL
+3.3V_MST A1
R221 R222
4.7K 4.7K
EYE_SCL
EYE_SDA
+3.3V_MST
+5V_ST
Buzzer ready
+5V_MULTI
READY
BU2
SMT-5030D
LEAD+
1
D201
1N4148W
LEAD-
LED_W
READY 2
DUMMY
READY
C 3
R241
100
B Q203
BUZZ_PWM
2SC3875S(ALY)
READY
R242
E
10K
READY
Hotel Option
+17V_TI
HOTEL
P204
12507WS-08L
1
C228
0.1uF
2
HOTEL
3 AUDIO_R
4 SW_RESET
R209
1K
5 AC_DET
READY
6
SPK_R+_HOTEL
7
SPK_R-_HOTEL
8
9
LVDS Block
P202
SMAW200-H26S1
HD 1 2
3 4
ROM_TX ROM_RX
5 6
7 8
9 10
P_SDA
P_SCL
11 12
TXCE0- TXCE0+
13 14
TXCE1- TXCE1+
15 16
TXCE2- TXCE2+
17 18
TXCLKE- TXCLKE+
19 20
TXCE3- TXCE3+
21 22
TXCE4- TXCE4+
23 24
ROM_SCL ROM_SDA
25 26
DISP_EN
R218 100 27
R219
470
52
51
ROM_SCL
50
ROM_SDA
49
P_SCL
48
DISP_EN
47
P_SDA
46
45
44
43
42
41
TXCE0-
40
TXCE0+
39
TXCE1-
38
TXCE1+
37
TXCE2-
36
TXCE2+
35
34
TXCLKE-
33
TXCLKE+
32
31
TXCE3-
30
TXCE3+
29
TXCE4-
28
TXCE4+
27
26
25
TXCO0-
24
TXCO0+
23
TXCO1-
22
TXCO1+
21
TXCO2-
20
TXCO2+
19
18
TXCLKO-
17
TXCLKO+
16
15
TXCO3-
14
TXCO3+
13
TXCO4-
12
TXCO4+
11
10
9
8
7
6
5
ROM_RX
4
ROM_TX
3
2
1
TF05-51S
P201
FHD
H6 R
2009/11/05
Key / Power 2 4
LGE Internal Use Only