15.14. A-Board (4 of 5) Block Diagram
REF
KA
HDMI_IRQ
FE_IRQ
SDCD
SDCMD
SD
WP
SDCLK
RMIN
R_LED_ON
KEY3
VI1CKOUT
VI1ENB
VI1VSYNC
VI1HSYNC
VI1CLK
DTV_SDIN
DTV_BLCK
DTV_LRCK
IECOUT0
CH0DATA
CH0PSYNC
CH0VAL
CH0CLK
SDCLK
SDCMD
SDCD
SOS
HDMI_SPDIF
DTV_V
DTV_XRST
KEY1
SD
WP
STB_RST
SW_OFF_DET
IS1DATA
IS1DATA
D1120
D1111
D1113
D1112
SUB5V
R5645
R5641
Q5603
R5642
R5646
STB3.3V
STB5V
D5024
D5025
BT30V
DTV9V
L5612
D5612
DTV9V
Q4011
SUB3.3V
Q4013
Q4012
STB3.3V
Q4010
LED BLINKING
:10TIMES
TUNER SOS
A1
1
R_LED_ON
RM_IN
KEYSCAN3
K1
TO
STB3.3V
Q5021
2
3
5
(XIRQ2)FE-IRQ
(XIRQ3)HDMI-IRQ
XRST
XERE
XEWE0
XECS0
ED0
ED15
EA7
EA0
SDCLK
SDCD
SDCMD
SD
WP
SDD
A
T
A0
SDD
A
T
A3
CPU BUS I/F
VI1ENB
VI1HSYNC
VI1VSYNC
VI1CKOUT
VI1CLK
ANALOG VIDEO I/F
MVDACO0
MVDACO1
MVDACO2
MVDACO3
C
V
Y
U
Y
G
B
R
COMP
COMP
COMP
CH0CLK
CH0VAL
CH0DATA
CH0PSYNC
CH I/F
LRCK0
DAUDIO
AUDIO I/F
DMIX0
SRCK0
IECOUT0
DACCK0
INPUT_I/F
DIGITAL
DIGITAL
AUDIO
PROCESSOR
I/F
DIGITAL
VIDEO
INPUT
AUDIO
SD CARD I/F
STB3.3V
MAIN3.3V
SUB3.3V
SUB5V
MAIN5V
SW_RESET
2
IC1108
4
OUT
VDD
2
IC5602
4
OUT
VDD
STB RESET
VIN
VOUT
5
IC5604
4
STB 3.3V
IC5603
Q5604
SUB5V
VDD
IC5605
EXT
VOUT
5
2
BT30V
1
Q5605
20
VB
Q5607
CB
D1
CTL
OUT1-1
21
FSW
-INC1
DTV9V
16
LX
23
VO1
SUB1.8V
Q5600
LX2
D2 D2
9V->1.2V,9V->1.8V
D1
OUT2-1
D2
S1
25
LX1
G1
D1
G1
FB1
OUT2
G1
OVP
19
27
VCC
24
26
Q5602
S1
24
D1
20
FB
Q5606
DC-DC CONVERTER
S1
-INC
VCC
OUT1-2
DTV9V
CB1
G2
16
CB2
S2
IC5601
S2
10
4
21
SUB3.3V
12
23
8
G2
DC-DC CONVERTER
D1
3
7
17
VO
S2
D2
G2
OUT1
12
FB2
VO2
OUT2-2
9
Q5601
17
VB
D2
-INC2
15
19
SUB1.2V
CTL
18
11
IC5600
30
8
D1
LSAT
D2
DTV9V
DTV9V
A23
A0
A24
DQ0
DQ15
OE
WE
CE
RESET
128/256 bit NOR FLASH
IC8502
2
IC5704
1
OUT
VDD
RESET
DTV9V
1
A52
3
5
8
11
7
12
SDCLK
SDDTC
SDCMD
SD
WP
SDD
A
T
A0
SDD
A
T
A3
IEC_OUT0
UV0-UV9,Y0-Y9,R0-R3
IC8001
H/V
CLK
R/G/B
VI1P2-9,VI1P12-19,VI1P22-29
ADV7493 INPUT
(PORT-A)
KEY1
9V->3.3V
SHUT REG
SW_OFF_DET
IS1DATA
TO
GS52
Peaks Lite 2
AV TERMINAL,AV SWITCH
A
DIGITAL SIGNAL PROCESSOR
DC-DC CONVERTER
MICON
SPEAKER OUT,SOUND PROCESSOR
HDMI INTERFACE
24
23
22
25
26
21
31
32
33
PEAKS LITE 2
TH-42PX75U
A-Board (4 of 5) Block Diagram
TH-42PX75U
A-Board (4 of 5) Block Diagram
TH-42PX75U
66
Summary of Contents for Viera TH-42PX75U
Page 4: ...1 Applicable signals 4 TH 42PX75U ...
Page 16: ...8 Location of Lead Wiring 8 1 Lead of Wiring 1 16 TH 42PX75U ...
Page 17: ...8 2 Lead of Wiring 2 17 TH 42PX75U ...
Page 18: ...8 3 Lead of Wiring 3 18 TH 42PX75U ...
Page 19: ...8 4 Lead of Wiring 4 19 TH 42PX75U ...
Page 20: ...8 5 Lead of Wiring 5 20 TH 42PX75U ...
Page 24: ...9 4 No Picture 24 TH 42PX75U ...
Page 31: ...11 4 Adjustment Volume Location 11 5 Test Point Location 31 TH 42PX75U ...
Page 33: ...33 TH 42PX75U ...
Page 53: ...15 Schematic and Block Diagram 15 1 Schematic Diagram Note TH 42PX75U 53 ...
Page 102: ...NOTE TH 42PX75U 102 ...
Page 103: ...16 Exploded Views Replacement Parts List 16 1 Exploded Views 103 TH 42PX75U ...
Page 104: ...16 2 Packing Exploded Views Accessories box 104 TH 42PX75U ...
Page 105: ...16 3 Packing Exploded Views Stand 105 TH 42PX75U ...
Page 106: ...16 4 Replacement Parts List Notes 106 TH 42PX75U ...