LG 42PG20-UA (CHASSIS:PU84A) Service Manual ▷ View online
- 42 -
BLOCK DIAGRAM
Power flow diagram
IC100
LGE1854C
+3.3V_VDDP
+3.3V_AVDD_MPLL
+3.3V_AVDD_OTG
+3.3V_AVDD_ADC
+3.3V_AVDD_DVI
+3.3V_AVDD_SIF
+3.3V_AVDD_AU
+3.3V_AVDD_MEMPLL
+3.3V_AVDD_LPLL
TU400
LGIT TUNER
IC105
Flash Memory
S25Fl064A
IC200, 201
DDRAM
HY5DU561622FTP*2ea
IR
IC102
NVRAM
AT24C512W
Regulator
IC
16V_AUDIO
IC703
MP2305DS
+5V_TUNER
12V
Q706
SI3865BDV
+5V_GENERAL
+5V_ST
IC708
AZ1117H-
3.3V
+3.3V_MULTI
IC706
AZ1085S
+2.6V_MVDD
+2.6V_VDD_DDR
IC705
AZ1085S
+3.3V_VDDP_ST
IC709
AZ1085S-Adj
+1.25V
IC702
SC156515M
+3.3V_PVSB
IC701
SC4215IS
+1.2V_PVSB
IC715
M62320FP
IC805
AZ1117-3.3V
IC803
TMDS351PA
G
+3.3V_MST
IC801,2,4
AT24C02*3ea
IC601
STMAV340
IC602
74HC4066
IC603
MAX3232
IC604
AT24C02
IC502
NTP3000A
IC501
AZ1117H-
1.8V
+1.8V_NTP
+1.25V_AVDD_DVI
+1.25V_VDDC
IC104
Reset triger
74LVC14APW
1
2
17
5
6
19
20
9
4
8
12
16V
12V
5VST
AC_DET
VAVS_ON
M5V_ON
GND
5V_MNT
RL_ON
18
21
3
7
14
16
13
15
+2.6V_VDD_DDR
+1.25V_VDDC
+1.25V_AVDD_DVI
$0.3
$0.1
$0.3
$0.07
$0.26
$0.08
$0.13
$0.13
$1.36
$4.5
$0.05
$0.13
$0.35
$0.05
$0.07
$1.31
$0.13
$0.06
$0.82
$7.9
$
IC400
LGDT3304
+3.3V_DVDD
+3.3V_AVDD
+1.2V_DVDD
$2.55
$0.2
$0.05
$0.74
USB
- 43 -
NOTES
- 44 -
EXPLODED VIEW
A2
300
305
302
200
202
560
571
120
561
570
301
260
590
501
270
603
520
203
240
205
204
206
250
602
601
580
900
400
201
303
304
306
- 45 -
120
EAB42609901
Speaker,Full Range G1640501 FERRITE 10W 8OHM 82DB 100HZ 150X40 TRACK LUG EMSONIC
200
EAJ41970710
PDP,Module-XGA PDP42G10001.ADLGB XGA 42INCH 1024X768 16/9 PDP DIVISION
201
EBR39594901
PCB Assembly,CTRL ASS’Y 42 G1
202
EBR39712601
PCB Assembly,YDRV ASS’Y 42 X5
203
EBR39595001
PCB Assembly,XRLB ASSY 42 G1
204
EBR39595101
PCB Assembly,XRRB ASSY 42 G1
205
EBR39706801
PCB Assembly,YSUS ASS’Y 42 G1
206
EBR41668901
PCB Assembly,ZSUS ASS’Y 42 X5
240
AJJ35680107
Supporter Assembly,42PG1/2/3, Vertical Supp. Top Assy(Right), SKD
250
AJJ35680108
Supporter Assembly,42PG1/2/3, Vertical Supp. Top Assy(Left), SKD
260
AJJ35680203
Supporter Assembly,42PG3/6, Vertical Supp. Bottom Assy(Right), SKD
270
AJJ35680204
Supporter Assembly,42PG3/6, Vertical Supp. Bottom Assy(Left), SKD
300
ABJ35121804
Cabinet Assembly,42PG20R-MA H5 42 CABINET ASSEMBLY C/SKD
301
ABA36825001
Bracket Assembly,WOOFER PDP - 42 50 60 WOOFER SPEAKER BRACKET ASSY
302
AJJ35122402
Supporter Assembly,42PG2 Supp. Filter Top Assy WITH PACKING
303
AJJ35122502
Supporter Assembly,42PG2 Supp. Filter Bottom Assy With Packing
304
AJJ35122602
Supporter Assembly,42PG2 Supp. Filter Right Side Assy With Packing
305
MDJ42350902
Filter,CUTTING ACRYL GLASS FILTER PDP 42 SSC NORMAL (SPUTTER)
306
AJJ35122702
Supporter Assembly,42PG2 Supp. Filter Left Side Assy with packing
400
ACQ35123206
Cover Assembly,Rear 42PG1/2 ATSC M-STAR CSKD 42 BACK COVER ASSEMBLY
501
MJH40272402
Supporter,PRESS EGI 1.6 GUIDE EGI 42PG6 Supp_module_guide, SKD, With Pemnut
520
EBR43929101
PCB Assembly,Main PU84A 42PG20-UA - Menual Insert PCB Assembly
560
EBR43329001
PCB Assembly,Sub PU84A 42/50PG20 N. AMERICA MSTAR LOCAL KEY -
561
MBG41119901
Button,Control MOLD HIPS 7 keys hips . 42_50PG2 CONTROL BUTTON 7KEYS
570
EBR43329401
PCB Assembly,Sub SUB M.I PU84A 42/50PG20 N. AMERICA PREAMP -
571
ABA36967701
Bracket Assembly,POWER 42PG6 NON 42PG2/3/6/7 POWER BUTTON ASSY
580
EAY43533901
SMPS,AC/DC PSPU-711A 100VTO120V 400W 50 TO 60 Hz UL/CSA/CE/TUV 42INCH XP2 110 ONLY
590
EBT44191501
Chassis Assembly,SUB PU84A 42PG20 AC-Inlet, Stand Support Ass’y FOR SKD
601
ABA35619217
Bracket Assembly,BRACKET 50PG20-UA PD83A MSTAR(HDMI 3, USB SERVICE ONLY, WITHOUT CI
602
MGJ41163807
Plate.PRESS SBHG 0.8 AV SBHG-A PLATE SUPPORTER MAIN CHASSIS CENTER(MIDDLE) 141.5,
603
MGJ41164512
Plate.PRESS SBHG 0.8 AV SBHG-A VNA42 SUPPORTER MAIN CHASSIS COMMON(SIDE A/V) 141.5
900
AAN35132204
Base Assembly,STAND 42PG1 AF04HA FIXED STAND BASE ASSY SKD
A2
MKJ42519603
Remote Controller,MOLD ABS HF380 PA81A 50PG20-UA ATSC M-STAR
EXPLODED VIEW PARTS LIST
No.
Part No.
Description
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