LG 26LG40 (CHASSIS:LA89D) Service Manual ▷ View online
- 29 -
TU401
LGIT TUNER
Regulator
IC
16V_AUDIO
IC711
AS7809
+5V_TUNER
12V
Q706
SI3865BDV
+5V_GENERAL
+5V_ST
IC702
AZ1117H-
3.3V
+3.3V_MULTI
IC709
SC156515M
+3.3V_PVSB
IC708
SC4215IS
+1.2V_PVSB
IC800, IC801, IC902
EEPROM
IC802
TMDS351PA
G
IC901
COMP AUDIO
SWITCH
IC600
CAT24C02WI
IC102
AT24C512BW
IC501
NTP3000A
IC500
AZ1117H-
1.8V
+1.8V_NTP
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
$0.3
$0.1
$1.36
$4.5
$0.05
$0.13
$
IC400
LGDT3304
+3.3V_DVDD
+3.3V_AVDD
+1.2V_DVDD
$2.55
$0.2
$0.05
9V
IC710
KIA78R05F
$0.3
IC704
AZ1085S-ADJ
IC705
AZ1117H-3.3
IC706
AZ1117H-3.3
IC703
AZ1085S-3.3
IC707
AZ1085S-ADJ
+2.6V
+3.3V_VDDP_ST
+3.3V_AVDDP_ST
+1.25V_AVDD_DVI
IC712
BD9132MUV
+3.3V_DVDP
2. POWER FLOW
- 30 -
Comp1
(DVD/DTV)
DVD Player
YPbPr_2
YPbPr_1
AV1
S-AV1
AV2
TU_CVBS
AV_1
AV_2
MSTA
R
(From Tuner)
RGB
(PC/DTV)
RGB
HDMI 1
HDMI 2
HDMI 1(TMDS)
TMDS
Switch
TMDS
Switch
HDMI 3
IF_P/N
S_Video1_Y/C
IC802
HDMI 2(TMDS)
HDMI 3(TMDS)
TMDS
IC903
Switch
Switch
YPbPr
IC400
LGDT
3304
LGDT
3304
TP
(MPEG Transport stream)
(From Tuner)
IC100
3. VIDEO
- 31 -
IC502
Comp1
(DVD/DTV)
DVD Player
Comp1
AV1
AV2
S-AV1
AV_1
AV_2
MSTAR
RGB
(PC/DTV)
RGB
HDMI 1
HDMI 2
Comp2
SIF
(From Tuner)
NTP3000
(Digital Amp)
IIS
MNT_R/L
HDMI 1(TMDS)
TMDS
Switch
TMDS
Switch
IC802
HDMI 2(TMDS)
HDMI 3(TMDS)
TMDS
HDMI 3
Audio
Switc
h
IC901
Comp
IF_P/N
IC400
LGDT
3304
LGDT
3304
(From Tuner)
IC501
IC100
TP
(MPEG Transport stream)
4. AUDIO
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AC-Detect
Reset
Not Gate
Mstar
Active Low
Active High
Active Low
Demodulator
(LGDT3304)
Hardware
Reset
Active Low
Mstar
Software
Reset
I/O exp.
(M62320)
Audio Amp.
(NTP3000A)
5. RESET DESIGN
6. I2C DESIGN
Mstar
TUNER
TDVF-H051F
Audio AMP
NTP3000A
NTP3000A
Demodulator
LGDT3304
I/O exp.
M62320
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