LG RF-21FA20 - PRINTED CIRCUIT BOARD & BLOCK DIAGRAM; Printed Circuit Board Layout; Block Diagram Overview

COMPONENT LOCATION GUIDE
C01 ..........B2
C02 ..........B2
C03 ..........B2
C04 ..........B2
C05 ..........B2
C06 ..........B2
C07 ..........B2
C09 ..........B2
C10 ..........B2
C11 ..........A1
C12 ..........A1
C13 ..........B3
C14 ..........B3
C15 ..........B2
C16 ..........B3
C17 ..........B3
C18 ..........B3
C19 ..........B3
C22 ..........C3
C23 ..........C3
C24 ..........B2
C25 ..........B2
C26 ..........B2
C27 ..........C2
C28 ..........B2
C29 ..........B2
C37 ..........C5
C38 ..........C5
C39 ..........B4
C40 ..........E1
C42 ..........D1
C71 ..........A3
C72 ..........A3
C101 ........A4
C102 ........A5
C103 ........B5
C107 ........A5
C108 ........A5
C109 ........A4
C110 ........A4
C123 ........B5
C124 ........B5
C127 ........A4
C128 ........A4
C181 ........B3
C182 ........B4
C183 ........B3
C184 ........B3
C201 ........D5
C208 ........D5
C209 ........D5
C302 ........D4
C303 ........D4
C304 ........D4
C305 ........D3
C306 ........E4
C307 ........D4
C308 ........D4
C309 ........D4
C310 ........E4
C311 ........E4
C401 ........E4
C402 ........G4
C403 ........G4
C404 ........G4
C405.........F4
C406 ........G4
C407 ........G3
C408.........F3
C409.........F4
C410.........F4
C411.........F4
C412 ........E5
C413 ........E5
C414 ........E5
C415 ........E4
C416 ........E5
C417 ........E4
C419 ........E4
C420 ........E5
C421 ........E5
C422 ........E5
C501 ........C3
C503 ........B3
C504 ........B3
C507 ........C5
C510 ........C3
C511 ........C5
C512 ........C3
C516 ........C3
C517 ........C3
C518 ........C3
C520 ........C2
C559 ........C2
C561 ........C2
C562 ........C1
C563 ........B1
C564 ........B1
C565 ........B1
C568 ........B1
C569 ........B1
C570 ........B3
C571 ........B3
C601 ........A2
C602 ........A2
C603 ........A3
C604 ........A2
C605 ........A2
C606 ........A3
C607 ........A2
C608 ........A1
C609 ........A2
C610 ........A3
C611 ........A3
C612 ........A3
C613 ........A1
C614 ........B4
C615 ........A3
C616 ........A1
C802.........F1
C804 ........G2
C805.........F2
C806.........F2
C807.........F3
C808.........F3
C809 ........G2
C810 ........G3
C811 ........G3
C812.........F3
C813 ........G2
C814 ........E1
C815.........F3
C816.........F2
C817 ........G2
C853 ........D2
C854 ........E1
C855 ........D1
C856 ........E2
C857 ........E2
C858 ........D2
C859 ........D2
C860 ........D2
C861 ........D2
C863 ........D2
C865 ........D3
C866 ........E3
C867 ........D3
C868 ........D2
C870 ........D3
C871 ........D3
C872 ........D3
C873 ........E3
C874 ........D2
C876 ........D3
D01 ..........B2
D101 ........A4
D301 ........D4
D302 ........D4
D401 ........G4
D402 ........G4
D403.........F4
D404 ........E5
D405.........F5
D406 ........E4
D408 ........E5
D410 ........G3
D412 ........E5
D501 ........C4
D503 ........C2
D505 ........B2
D506 ........B1
D601 ........B4
D602 ........B4
D802.........F3
D803.........F3
D804 ........G3
D850 ........D2
D855 ........D1
D857 ........E2
D858 ........E2
D861 ........E3
D862 ........G2
D863 ........C2
D864 ........C2
D865 ........C2
D866.........F2
D867 ........G2
D868.........F2
DB801......G2
F851.........D2
F853.........D2
F854.........E3
F855.........E2
F801A ......G2
F801B ......G1
FB01 ........C2
FB201 ......B5
FB221 ......E5
FB241 ......B1
FB401 ......G4
FB801.......F2
FB802.......F2
FB803.......F2
FB852 ......D2
FB853 ......D2
FB855 ......D3
FR401 ......E5
FR402 ......E5
FR403 ......E5
FR406 ......E5
FR413 ......E4
HIC01.......B4
HIC181.....B4
IC01 .........B2
IC02 .........A3
IC03 .........A1
IC05 .........B3
IC06 .........B3
IC07 .........B2
IC301 .......D4
IC302 .......D4
IC601 .......A2
IC801 .......G2
IC802........F3
IC803........F3
IC851 .......D1
IC853 .......D2
IC855 .......E2
IC856 .......D3
J1 .............A5
J2 .............A1
J3 .............A1
J4 .............A1
J5 .............A3
J6 .............A5
J7 .............A5
J8 .............A1
J9 .............B2
J10 ...........A2
J11 ...........A1
J12 ...........A1
J13 ...........A1
J14 ...........A1
J15 ...........A1
J16 ...........A1
J17 ...........A2
J18 ...........B2
J19 ...........B1
J20 ...........B1
J21 ...........A4
J22 ...........B1
J23 ...........B2
J24 ...........B5
J25 ...........B5
J26 ...........A4
J27 ...........B5
J28 ...........A4
J29 ...........A4
J30 ...........B2
J31 ...........A3
J32 ...........B3
J33 ...........B5
J34 ...........C4
J35 ...........C1
J36 ...........B5
J38 ...........C2
J39 ...........A4
J40 ...........B3
J41 ...........C3
J42 ...........C4
J43 ...........C2
J44 ...........C2
J45 ...........C4
J46 ...........C3
J47 ...........C2
J48 ...........B5
J49 ...........C4
J50 ...........C3
J51 ...........B1
J52 ...........C3
J53 ...........C3
J54 ...........A3
J55 ...........B5
J56 ...........C2
J57 ...........C4
J58 ...........C4
J59 ...........C4
J60 ...........C4
J61 ...........B4
J62 ...........C5
J63 ...........C4
J64 ...........B2
J65 ...........C4
J66 ...........C4
J69 ...........C2
J70 ...........B2
J71 ...........D2
J72 ...........C5
J73 ...........C5
J74 ...........D5
J75 ...........D2
J76 ...........C2
J77 ...........C2
J79 ...........C3
J81 ...........C1
J82 ...........D2
J83 ...........C3
J84 ...........D1
J85 ...........D2
J86 ...........D4
J87 ...........D2
J88 ...........D3
J89 ...........D2
J90 ...........D4
J91 ...........D3
J92 ...........D3
J93 ...........D1
J94 ...........D1
J95 ...........C5
J96 ...........E1
J97 ...........D2
J98 ...........D5
J99 ...........E1
J100 .........D4
J101 .........B2
J102 .........D4
J103 .........D5
J104 .........D1
J105 .........D1
J106 .........D4
J108 .........E4
J109 .........D3
J110 .........D5
J111 .........A1
J112 .........E4
J113 .........E4
J114 .........E4
J116 .........E4
J117 .........E3
J118 .........E3
J119 .........E1
J120 .........E5
J121 .........E1
J122 .........E5
J123 .........E5
J124 .........E2
J125 .........F5
J126 .........F5
J127 .........F2
J128 .........F3
J129 .........F3
J130 .........F2
J131 .........F3
J132.........G1
J133.........G1
J134.........G3
J135.........G2
J136.........G1
J137 .........D4
J138 .........D5
J139 .........A4
J140.........G3
J142 .........C2
J143 .........C4
JK201.......C5
JK202.......D5
JK203.......C1
JP1...........A3
JP2...........A2
JP3...........A1
JP4...........A3
JP5...........A2
JP6...........B1
JP7...........B3
JP8...........B3
JP9...........B3
JP10.........B1
JP11.........B1
JP12.........B1
JP13.........B1
JP14.........B1
JP15.........B1
JP16.........C1
JP17.........C1
JP18.........C1
JP19.........C1
JP20.........C1
JP21.........C5
JP22.........C5
JP23.........C1
JP24.........C2
JP25.........C5
JP26.........C5
JP27.........C2
JP28.........C1
JP29.........C1
JP30.........C5
JP31.........C1
JP32.........C1
JP33.........C1
JP34.........C5
JP35.........D5
JP36.........D4
JP37.........D2
JP38.........D2
JP39.........D1
JP40.........D3
JP41.........D5
JP42.........D5
JP43.........D5
JP44.........D5
JP45.........D5
JP46.........E5
JP47.........E5
JP48.........E5
JP49.........E5
JP50.........E1
JP51.........E1
JP52.........E1
JP53.........E4
JP54 .........F4
JP55 .........F4
JP56 .........F4
JP57 .........F1
JP58 .........F5
JP59 .........F1
JP60 .........F5
JP61 .........F4
JP62 .........F4
JP63 .........F2
JP64 ........G1
JP65 ........G1
JP66 ........G2
JW2A........F5
L01 ...........B3
L02 ...........B3
L03...........C2
L05 ...........A1
L07 ...........B2
L08...........C4
L09 ...........B2
L71 ...........A3
L101 .........A4
L102 .........A5
L121 .........A4
L181 .........B4
L243 .........B1
L244 .........B1
L401 .........F3
L402 .........F4
L501.........C3
L851.........D2
L853.........D3
LD01.........F1
P01...........A1
P101.........A5
P102.........A5
P103.........E5
P181.........B3
P601.........A1
P602.........A2
P01A ........F1
P02A ........F1
P03A ........C1
P04A ........C1
P05A ........C1
P06A ........B1
P08A ........C1
P09A ........C4
P09B ........C1
P141A ......A4
P201A ......D5
P202A ......C5
P203A ......C5
P401A ......F4
P401B ......F4
P401C ......F4
P401D ......F4
P402A ......F5
P402B ......F5
P403A ......E5
P551A ......B4
P552A ......C4
P605A ......A3
P651A ......A1
P653A ......A1
P801A......G1
P801B......G1
P802A ......E1
P802B ......E1
P803A ......F1
P803B ......F1
Q01 ..........D1
Q02 ..........E1
Q03 ..........B2
Q04 ..........B2
Q05 ..........B1
Q201 ........D5
Q301 ........D4
Q303 ........D4
Q401........G4
Q402........G3
Q403........G3
Q501 ........C5
Q503 ........C3
Q505 ........C2
Q506 ........C2
Q507 ........C2
Q508 ........B2
Q509 ........B1
Q601 ........B4
Q853 ........E1
Q854 ........E4
Q855 ........D3
Q856 ........C3
Q857 ........D1
R01 ..........B2
R02 ..........B2
R03 ..........B2
R04 ..........B2
R05 ..........B2
R06 ..........B2
R07 ..........B2
R08 ..........B2
R09 ..........B2
R10 ..........A1
R11 ..........A1
R12 ..........B3
R14 ..........C2
R15 ..........A2
R16 ..........A1
R17 ..........B2
R18 ..........B3
R19 ..........B3
R20 ..........B3
R21 ..........B1
R22 ..........B1
R23 ..........A3
R24 ..........B2
R25 ..........B1
R31 ..........C1
R32 ..........B1
R35 ..........D1
R36 ..........D1
R37 ..........C1
R39 ..........C4
R40 ..........B1
R42 ..........A1
R43 ..........G1
R44 ..........D1
R45...........F1
R46 ..........D1
R47 ..........D1
R48 ..........D1
R49 ..........D1
R50 ..........D1
R51 ..........B3
R71 ..........A3
R72 ..........A3
R73 ..........A3
R76 ..........A4
R77 ..........A4
R78 ..........A3
R79 ..........A3
R100 ........A4
R101 ........A4
R102 ........A4
R103 ........A5
R105 ........A4
R121 ........B5
R122 ........B5
R123 ........B5
R124 ........B4
R181 ........B4
R201 ........D5
R202 ........E5
R203 ........C5
R206 ........D5
R210 ........E5
R211 ........E5
R212 ........D5
R226 ........D5
R227 ........C5
R241 ........C1
R242 ........C1
R301 ........D4
R302 ........D4
R304 ........D4
R305 ........D4
R306 ........D4
R307 ........D4
R308 ........C4
R309 ........D4
R310 ........D4
R311 ........E4
R312 ........E4
R313 ........E4
R314 ........E4
R315 ........D5
R316 ........D4
R317 ........D4
R319 ........D4
R320 ........E4
R321 ........E4
R322 ........D4
R323 ........D4
R324 ........D4
R325 ........E4
R326 ........E4
R327 ........D4
R328 ........D4
R330 ........D4
R331 ........D4
R401 ........C3
R402 ........G3
R403 ........G4
R404 ........G3
R405.........F3
R408 ........E4
R409.........F4
R410.........F4
R411 ........G4
R413 ........G4
R414 ........E5
R415 ........D5
R416 ........D4
R417 ........D4
R419 ........E4
R421 ........E5
R422 ........E5
R423 ........E3
R503 ........C5
R504 ........C5
R510 ........C5
R511 ........C5
R512 ........C5
R513 ........C5
R515 ........C5
R517 ........C3
R518 ........C3
R519 ........C3
R520 ........C3
R523 ........C3
R524 ........C4
R525 ........C3
R526 ........C4
R527 ........C3
R528 ........C3
R529 ........C3
R530 ........C3
R531 ........C2
R532 ........C2
R533 ........C2
R534 ........C1
R537 ........C2
R541 ........C2
R542 ........C2
R543 ........C2
R544 ........C1
R545 ........C2
R546 ........B1
R547 ........C1
R548 ........C1
R549 ........C2
R550 ........B1
R551 ........C2
R552 ........C1
R553 ........B2
R554 ........B1
R555 ........B2
R556 ........B1
R557 ........B1
R558 ........B1
R559 ........C3
R560 ........C2
R570 ........C5
R571 ........C5
R601 ........A2
R602 ........B3
R603 ........B3
R604 ........B3
R605 ........B3
R606 ........A2
R607 ........A2
R608 ........A2
R609 ........B3
R610 ........B4
R611 ........B4
R612 ........B4
R801 ........G2
R802.........F2
R803.........F3
R804 ........G3
R805 ........G2
R806 ........G3
R807 ........G3
R808.........F3
R809 ........G2
R820.........F3
R821.........F3
R852 ........D1
R853 ........D2
R858 ........D2
R860 ........D2
R861 ........D3
R862.........F3
R863 ........E3
R864 ........D3
R865 ........D3
R866 ........D3
R867 ........C3
R868 ........D3
R869 ........D1
R870 ........D1
RL801 ......E2
SW01 .......E1
SW02 .......E1
SW03 .......D1
SW04 .......D1
SW05 .......D1
SW06 .......D1
SW801.....G1
T401 ........G4
T402 .........F5
T801 .........F1
T802 .........F3
TH801 ......E2
TP1 ..........A3
TP2 ..........A3
TP3 ..........A3
TP4 ..........A3
TP5 ..........A4
TP6 ..........A5
TP7 ..........A5
TP8 ..........B4
TP9 ..........B3
TP10 ........B4
TP11 ........B4
TP12 ........B4
TP13 ........B3
TP14 ........B2
TP15 ........B2
TP16 ........B2
TU101 ......A5
TU121 ......B4
VD801......G1
X01...........B2
ZD01 ........A1
ZD02 ........A1
ZD03 ........A1
ZD101 ......A4
ZD121 ......B5
ZD301 ......D3
ZD302 ......D4
ZD303 ......D4
ZD401 ......D5
ZD501 ......C3
ZD851 ......D2
PRINTED CIRCUIT BOARD
MAIN
BLOCK DIAGRAM
CONTROL(21Q20)
MPX IF
P/N: 3854VA0087A-S1(2/2)
DATE: 2001.03.19
CPT
IC901
IC901
VIDEO AMP
SDA5109
CPT ASSY
L
R
H-DRIVE
Q401
Q401
H-OUT
KTD2499
IC301
IC301
V-OUT
LA7840
IC601
IC601
SOUND
AMP
LA4282
LA4282
IC01
IC01
VCD/MICOM
VCT3804
H/P AMP
TDA2822
RF AV1
V-O1
RF-CVBS
TUNER
FRONT-AV
DVDIN GAME
PIP ASSY *OPTION
ICP01
ICP01
SDA9489
AV1
SK201
PHONE
TUNER
SOUND IN/OUT
ICN01
ICN01
SOUND-PRO
MSP3400D
/3460
ICN03
ICN03
VIDEO-S/W
CXA2040A
YUV-IN
YUV-IN
RGN-IN
PIP-CVBS
CVBS-P
YC-IN CVBS-IN
SOUND-OUT
MPX ASSY
HIC 01
HIC 01
GAME MODULE
AV2
HIC181
HIC181
TILT H-IC
IC03
IC03
EEPROM
SCL
SDA
GAME-A/V
GAME-A/V
ICN02
ICN02
H/P AMP
TDA2822
H/P
H/P
KEY(4) H/P AV2
RGB
E/ W
36
VA VB
35 34
H-OUT
24
S-W
FB
27
21 25
VCC
3.3V
15,45
5V
3
54
VCCST-5VST-3.3
EYE
1
59
60
TILT
6
IR
61
5V
S-WOOFER
SK202
DVD,S-W
IC302
IC302
E/W
KIA4558
VS
AC IN
12V
IC851
IC851
78L05
IC01,ST5V
(POWER)
IC801
IC801 STR-F6654/F6656
AUDIO B+
30V
8V
IC855
IC855
78R05
5V
IC853
IC853
78A09
9V
IC901,IC01/03N
H.VCC
35V
B+
110 V
TILT
B+
14V
-14V
28V
VM VCC
H/V
SCREEN
FOCUS
200V
IC05
IC05
33CV
5V
IC06
IC06
33CV
5V
P403A
IK
FBT
FBT
KEY
62
X01
20.25MHz
IF
CVBS
IF ASSY
IC141
TDA9885
SIF
K9253M
K7257M
5V 9V
33V
5V
*OPTION
TO IF SIF
IC05
IC05
7805
9V
S-woofer ASSY
*OPTION
PIP
P06A
" "
P601
P01
P
1
1
0
2
"C"
2
P
9
0
B
P04A
A/V STEREO PWB
P
6
0
5
A
P602
1
P
0
5
A
"B"
P
1
0
2
P
6
0
5
B
P
10
3
P401
P402
P1112
P
1
1
13
JW
1
10
1
P
1
1
0
3
P
1
1
1
1
P802
1
"A"
P801
CPT EARTH
P
9
0
2
P
9
0
1
POWER CORD
WIRING DIAGRAM
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