LG CF-20/21S12EH, Service Manual

Page: 27 / 28

COMPONENT LOCATION GUIDE(MAIN)
AR01 ......D2
C01.........E1
C02.........E1
C03 ........D1
C04 ........D1
C05 ........D1
C06 ........C1
C07 ........C2
C08 ........C2
C09 ........D3
C10 ........D1
C11 ........D1
C12 ........D1
C13 ........D1
C14 ........C2
C15 ........D3
C18 ........C2
C19 ........D2
C20 ........D2
C21 ........C2
C22 ........C2
C23 ........C2
C24 ........C3
C25 ........C2
C26 ........C2
C28 ........C2
C80 ........D2
C81 ........D2
C82 ........D3
C83 ........C2
C90 ........D1
C91 ........D1
C101.......B5
C102.......B5
C103.......B5
C104.......A5
C105.......A4
C106.......B5
C107.......B5
C108.......B5
C109.......B5
C110.......B5
C111.......A5
C112.......B5
C113.......A5
C114.......A5
C120.......A5
C201 ......D4
C202 ......D4
C203 ......D4
C204 ......D4
C205 ......D4
C206 ......D4
C210 ......D4
C211 ......D4
C231 ......D5
C232 ......D5
C233 ......C5
C301.......E4
C302.......E4
C303.......E4
C304.......E5
C305.......E5
C306.......E4
C307.......F4
C308 ......G4
C309.......E4
C310.......E4
C311.......E4 C401.......F4
C402.......F3
C403 ......G4
C404 ......G4
C502 ......D4
C504 ......C3
C506 ......C4
C507 ......C3
C508 ......C2
C509.......B4
C510.......B3
C511 ......C3
C512.......B3
C513.......B4
C514 ......C3
C515 ......D5
C516.......B4
C517.......B4
C518.......B4
C521.......A4
C522.......A4
C523.......B4
C524.......B4
C525.......B4
C526.......B4
C527.......A3
C528.......B3
C531.......B4
C532.......B4
C533.......B4
C534.......B4
C537 ......C4
C538 ......C4
C539 ......C5
C540 ......C4
C541 ......C4
C542 ......C4
C543 ......C4
C544.......B3
C545.......B3
C548.......B4
C550.......B2
C551.......B2
C552.......B2
C553.......A4
C601.......A3
C602.......A3
C604.......A3
C607.......B3
C609.......B2
C611.......A3
C612.......B2
C613.......B2
C614.......B3
C616 ......C4
C633.......B3
C651 ......D4
C652 ......D3
C653 ......D3
C657 ......D3
C658 ......D3
C659 ......C3
C660 ......D4
C661 ......D4
C662 ......D3
C741 ......G3
C743 ......G4
C744 ......G5
C745.......E5 C746.......E4
C747.......E5
C748.......E5
C749.......E5
C750 ......G5
C751.......E5
C752.......E4
C753 ......D4
C757 ......G5
C801.......F2
C802.......F2
C803 ......G2
C804.......E3
C805 ......D3
C806.......F2
C807 ......G2
C808.......E2
C809.......F2
C810 ......G1
C811 ......G3
C812.......E2
C813.......E1
C814.......E1
C815.......E2
C816.......E2
C817.......E3
C818.......E3
C819.......E3
C820.......E3
C821.......F4
C822.......E2
C823.......F3
C824.......E1
C825 ......G3
C826.......F2
C829 ......G2
C830.......E2
C903.......B1
C904.......A1
C905.......B1
C906.......B2
C907.......A1
D01 ........D1
D02 ........C1
D101.......B5
D102.......B4
D304.......F3
D305.......E4
D306.......E4
D401.......F4
D402.......F4
D501 ......C2
D502 ......C2
D503 ......C2
D504 ......D4
D509.......A4
D511 ......C4
D512 ......C3
D741 ......G4
D742.......F5
D743.......E5
D744 ......G5
D801.......E1
D802.......F3
D803.......F3
D804.......E1
D805 ......D2
D806.......F2
D807.......E3 D808.......E3
D901.......B2
D902.......A1
D903.......A1
D904.......B1
DB801....G2
F801A ....G2
F801B ....G1
FB01.......B2
FB601.....A2
FB602.....A2
FB741 ....G4
FB801 ....G2
FB802.....F2
FB803.....E2
FB804.....E3
FB805.....E2
FR601 ....B1
FR602 ....B1
FR703 ....E5
FR704 ....E5
FR741 ....G4
FR742 ....E5
FR743 ....E5
FR802 ....E3
FR803 ....E2
FR901 ....B1
IC01 .......D1
IC02 .......D2
IC03 .......D1
IC04 .......C2
IC201 .....D4
IC202 .....D3
IC301......E4
IC501 .....C4
IC601......A3
IC602......B2
IC801......F3
IC802......F3
IC803 .....G2
IC804......E3
IC840 .....D2
IC841......E3
IC901......A1
L01 .........E1
L02 .........C2
L03 .........D2
L04 .........C2
L05 .........C2
L06 .........C2
L101 .......B5
L231 .......D5
L301 .......F4
L302 .......F4
L401 .......F4
L501 .......C4
L503 .......C3
L504 .......C3
L506 .......C3
L507 .......C4
L508 .......C4
L510 .......B4
L521 .......B3
L522 .......B3
L523 .......B3
L651 .......D3
L652 .......D3
L653 .......C4
L743 .......E5 L802 .......E3
L901 .......B2
LD01.......F1
P01.........C1
P02.........D2
P101.......A5
P102.......B5
P241.......C1
P302.......E5
P501.......B3
P601.......A2
P602.......A3
P803 ......G1
P901.......A1
P902.......B1
P903.......A2
P904.......B2
P03A ......C1
P04A ......D1
P301A.....F4
P301B.....F4
P301C ....F4
P301D....G4
P610A ....D5
P611A ....C5
P801A ....G1
P801B ....G1
P802A ....E1
P802B ....E1
PA01.......F1
PG01......D2
PJ201.....C5
PJ241.....C1
Q01 ........D1
Q02 ........D1
Q102 ......B5
Q103 ......B5
Q120 ......A4
Q121 ......A5
Q201 ......D4
Q501 ......C3
Q502 ......C3
Q503 ......C3
Q504 ......C3
Q505 ......C3
Q506 ......A4
Q510 ......B3
Q511 ......B4
Q512 ......B3
Q514 ......C5
Q516 ......C4
Q651 ......D3
Q652 ......D3
Q653 ......D3
Q654 ......C3
Q741 ......G4
Q742 ......G3
Q743 ......G5
Q801 ......E3
Q802 ......E3
R01.........F1
R02 ........C2
R03 ........D1
R04 ........D2
R06 ........C1
R07 ........D1
R08 ........D1
R09 ........D1
R10 ........C1 R11 ........D1
R12 ........D1
R13 ........D1
R14 ........C1
R15 ........D1
R16 ........D1
R17 ........D2
R18 ........D1
R19 ........D1
R20 ........D2
R21.........F1
R22 ........D1
R24 ........D1
R25 ........C1
R26.........B2
R27.........B2
R28 ........D1
R29 ........D1
R30 ........D2
R31 ........D2
R32 ........C1
R33 ........C1
R34 ........D2
R35.........B2
R36 ........D3
R38 ........D2
R39 ........D2
R40 ........C2
R42 ........C3
R43 ........C2
R44 ........C2
R52 ........C1
R53 ........C2
R54 ........D2
R57 ........D3
R58 ........D2
R59 ........D2
R61 ........D2
R63 ........D2
R65 ........D2
R68 ........D2
R70 ........D2
R72 ........D2
R74 ........D2
R80 ........D2
R81 ........D2
R82 ........D2
R83 ........D2
R84 ........C2
R85 ........C2
R86 ........C2
R90 ........C1
R91 ........D1
R92 ........D1
R101.......B5
R102.......B5
R103.......B5
R104.......A5
R105.......A5
R106.......B5
R108.......B5
R109.......B5
R110.......B5
R111.......B5
R112.......B5
R113.......B5
R115.......B5
R116.......B5
R117 ......C4 R118.......B5
R119 ......C4
R120 ......C5
R121.......A4
R122.......A4
R123.......A5
R124.......A4
R125.......A5
R201 ......D4
R202 ......D4
R203 ......D5
R204 ......D4
R205 ......D4
R206 ......D4
R207 ......D4
R208.......E4
R210 ......D5
R229 ......D5
R230 ......D5
R231 ......C5
R232 ......C5
R233 ......C5
R234 ......C5
R235 ......C5
R236 ......C5
R237 ......D5
R238 ......D5
R240 ......C1
R241 ......C1
R242 ......D5
R243 ......D5
R244 ......C1
R290.......B1
R291.......B1
R301.......E4
R302.......E4
R303.......E4
R304.......E4
R305.......E4
R306.......F4
R307.......E4
R308.......E4
R309.......F4
R401 ......G4
R402.......F4
R501 ......C4
R502 ......C3
R503 ......C3
R504 ......C3
R505 ......C3
R506 ......C3
R507 ......C3
R508 ......C3
R509.......B3
R510 ......C3
R511 ......D5
R512 ......C4
R513.......A4
R515.......A4
R516.......B3
R520 ......C3
R521 ......C4
R522 ......C4
R525.......B3
R531.......B2
R532.......B3
R533.......B3
R534.......B3
R535.......B4 R536.......B4
R538.......B4
R539.......B3
R540.......A4
R548 ......C4
R549 ......D4
R550 ......C4
R551.......B4
R552 ......C4
R553 ......C4
R554 ......C4
R555 ......C4
R556 ......C4
R557.......A4
R566 ......C4
R567 ......C5
R568.......B3
R601.......A4
R602.......A4
R603.......B2
R604.......A4
R608.......A4
R612.......B2
R631.......B3
R632.......B3
R635.......B2
R636.......B2
R651 ......D3
R652 ......D3
R653 ......D3
R654 ......D3
R655 ......D3
R656 ......C3
R657 ......C3
R658 ......D3
R659 ......D3
R660 ......D3
R662 ......C3
R663 ......D3
R664 ......D3
R665 ......D4
R666 ......D4
R667 ......D4
R668 ......D4
R741 ......G4
R742 ......G3
R743.......E4
R745.......E5
R746.......E5
R747.......E5
R748 ......G5
R750.......E5
R752.......A4
R753.......E5
R754 ......G3
R801.......F3
R802.......F3
R803 ......G2
R804 ......G3
R805 ......G2
R806.......F3
R808 ......D3
R809 ......G2
R811.......F1
R812 ......G3
R813.......E4
R814 ......D3
R815.......F3
R816.......F3 R901.......B1
R902.......B1
R903.......B1
R904.......B1
R905.......B1
R907.......A2
R908.......A1
R909.......A1
R911.......B1
R912.......A1
R913.......A1
R914.......A1
SG901 ....A1
SG902 ....A2
SG903 ....B1
SG904 ....A2
SW01 .....D1
SW02 .....D1
SW03 .....D1
SW04 .....D1
SW05 .....E1
SW06 .....E1
SW801 ...G1
T401.......G4
T501.......C3
T502.......C3
T503.......C3
T504.......C3
T701 .......F5
T801 .......F1
T802 .......F3
TH801 ....E2
TH802.....F1
TU101 ....B5
VD801....G1
X01.........D1
X501.......B4
X502.......B4
Z101.......C4
Z651.......D3
Z652.......D3
Z653.......D3
Z654.......D3
ZD01 ......D2
ZD02 ......D2
ZD90 ......C1
ZD101 ....B5
ZD102 ....A4
ZD120 ....A4
ZD201 ....D4
ZD501 ....A4
ZD502 ....C4
ZD503 ....C4
ZD602 ....B2
ZD651 ....D3
ZD681 ....B2
ZD741 ....E5
ZD742 ....E5
ZD747 ....G5
ZD901 ....B1
ZD902 ....B1
ZD903 ....B1
ZD904 ....B1
PRINTED CIRCUIT BOARD
MAIN
WIRING DIAGRAM
BLOCK DIAGRAM
Turbo Key
VCD 1CHIP TDA8842
MICOM
RGB AMP.
TDA6107Q
FBT
R
L
SMPS
STR-F6654
B+
8V REG
5V REG
AUDIO B+
AC INPUT
100 - 270V
115V
30V
12V
14V
MICOM TUNER
IF
AGC
RF SIGNAL
48
IF-IN
PRE-AMP
49
4.5 OTHERS
SAW
FILTER
54
AGC
AUDIO SW
CD4052B
AV1
16V
45V
R
EAR PHONE SPEAKER
REAL STEREO
& NICAM
MSP3410D
AV STEREO
TDA7429S
UBB
KIA4558
SIF
DA4445B
SAW
FILTER
24
25
R
L
R
L
47 12
31
32
R
L
1
L
(MONO)
6
AV2
TV
15
AF
AV2
(FRONT)
IF
OPTION PART
I 2 C LINE
SOUND AMP.
TDH7297
4
12
RGB-o
RGB
185V
VER. AMP.
TDA8351
V
A,B
V-DY
RGB-in
38
HDT
C
H-DY
40
H-out
H.D.Tr
OSD
RGB
E 2 PROM
PRE AMP LOCAL KEY
AV1
(PHONE)
AV1
(for PHONE)
CVBS-o
(MONI.)
6
V1
SIF TRAP
5.5/6.0/6.5Õ 4.5
17 11 13
V2 V-in V-o
AV1
AV2
SIF
FILTER
5.5
6.0
6.5
4.5
SIF SEL.
CD4052B
3
1
SIF
SIF
SO.S1
2
AUDIO
55 A-o 1
TV
3
CO.C1
5 2
AV1 AV2
V1 EXT
AUDIO
P902
MAIN PWB
P102
P602
P601
P501
P241
P03B
P03A
P201A
P302
P801
P301
P802
P04A
P01
P1101
SPEAKER
RIGHT
CPT PWB
SPEAKER
LEFT
AV STEREO