Service Manuals, User Guides, Schematic Diagrams or docs for : LG TV pt-48a80 080a_blk
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R,Lout IC601 Rout
SIF
TUNER TDA7265
R,L Lout
(MAIN)
R,L IC701
Cout IC602 Cout
R,L
SOUND PROCESSOR
TDA7265
R
(MSP3411G)
MNT R,Lout
TUNER C
BLOCK DIAGRAM(SIGNAL)
R,L SC1 R,Lout IC750
(PIP) BAND EQUAL.
(MSGEQ7)
EEPROM
(24C16)
S_A/D,STRB,RST
MNT OUT
SCL1,SDA1
R,L IC001
LA7222 MICOM
S/W (SDA555)
R,L Vout
VFD DRIVER
AV3 VFD
(UPD16311)
(SIDE)
SC1_Vo_SW DATA G1~9
- 25 -
CLK P1~16
STRB
AV2 ELAN R,G,B,FB(OSD,TXT)
(BACK) 2210 Vo
Rout
Vout1
LA7222
TDA6111 CRT R
CVBS(M) Vin(MAIN) Gout
AV1 CVBS(P) S/W Bout
(BACK) Vo-SC1
V3 IC200 Y, Cin IC501
V2 VIDEO
Y,C
VCD TDA6111 CRT G
V1 S/W (VDP3130Y) IK
(CXA2040)
S-JACK(SAV2) PIP_Vo
(SIDE) Y2,C2
Y1,C1
TDA6111 CRT B
IC1201
S-JACK(SAV1) PIP
(BACK) SDA9489
R,G,B,FB(PIP) Y, Cb,Cr
EW,VD+,VD-
HD,SVM
DVD IN
Vout R,L IN R,G,B,FB
TO DEF BOARD
(BACK) R,L OUT SC1_Vo (SCART)
(AV4) Vin
R,G,B,FB
SCART JACK
E/W
S/W
AMP IC401
B+
KIA4358
H-DRIVE H OUT
DUMMY H-DF
Q402 H-DRIVE TR H-DY
HD FBT
IRFIBC206 TRANS Q403
T405
T401 2SC5446
FOCUS V FOCUS
PACK
BLOCK DIAGRAM(DEF)
HVDRIVE HV DRIVE HV OUT H.V
TR FBT H.V
Q413 TRANS T403 BLOCK
IRFIBC206 T402 Q416
2SD1887
DYNAMIC
- 26 -
FOCUS
P411
9V p-p H.V
SAWTOOTH Q433 H-V DF TRANS
Stabilize
Pulse Generator K2518 DET T405
IC408,402
PWM PULSE
H.V ADJUST
VR401 V-DF
V-OUT
VD + IC1401 V-DY
VD- LA7846
DF AMP DF TR
DF IC406 Q406
NJM4560 C4710
AC INPUT
100~240V AC
POWER SW
40V
T405 45V
ERROR AMP DUMMY 17V VERTICAL 12V
IC871 FBT IC 8V
SE115 IC1401 ST8V
-17V LA7846
12V
115V T403
DC P805A IC410
BLOCK DIAGRAM(SMPS)
7905 200V P405 8V
RECTIFIER FBT
30V
H.V 24V
P411A
BLOCK
POWER TR 40V
115V
IC801 SMPS P810A
STR-F6658B TRANS
8V
IC405 IC408 8V
- 27 -
GL7824
T801 12.4V P402A
IC402 12V
POWER TR
-22V
IC802 IC406
STR83145 -22V
ST-8V ST-8V 5V
P811A -20V
-26V
33V 45V
< SMPS > 26V
-26V
200V
< DEF > P401
12V
-26V
26V
ST-
5V
8V
-5V
8V
40V P404A
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