TX-LR32C20
35
9 Block Diagram
9.1.
Main Block Diagram
(L
E
D
:7
T
IM
E
S
)
(L
ED
:1
TIM
ES
)
(L
E
D
:4
T
IM
E
S
)
(L
ED
:3
TIM
ES
)
(L
E
D
:9
T
IM
E
S
)
(L
ED
:3
TIM
ES
)
STB5V
TMDS DATA
DCDC
V10
STB_RESET
TUNER5V
INV_SOS
OVP_DET
ERROR DET
TUNER5V
(SIDE)
POWER LED(R)
DTV12V
POWER CONTROL
LCD PANEL
TUNER6V
STB3.3V
INV_SOS
STB5.8V
DCDC
D/A
RECTIFIER
+5.8VS
SUB5V
PANEL POWER SOS
VOFF2-6V
SUB9V
(SIDE)
DCDC
V
SUB9V
SOUND SOS
STB_RESET
DVDD2.5V
AMP
DCDC
SOUND SOS
STB3.3V
VCON31V
INV_ON
(STM)
(SIDE)
DTV_L/R
DROP
D/A CONVERTOR
SUB1.2V
STB5V
CONTROL PANEL
DVB_CVBS
R
L/R
HDMI I/F
PFC CONTROL
V-BOARD
ANALOG-ASIC
Y/PB/PR, R/G/B/H/V CVBS
VOLTAGE
HDMI3
V/Y/PB/PR
STANDBY VOLTAGE RECTIFIER
C.A.T.S. SENSOR
V
DTV12V SENSE
INV_ON
SUB3.3V
PANEL POWER SOS
OPTICAL AUDIO OUT
DCDC
DVDD2.5V
OVP_DET
DCDC
DTV12V
INVERTER POWER CONTROL
CURCUIT
PWM
SUB1.8V
VIDEO PROCESSOR
STB+3.3V
SUB5V
R/G/B/H/V
PWM
VREF_1-12
REMOTE RECEIVER
OVER
AC CORD
STB+3.3V
12V
SUB 3.3V SENSE
AUDIO
PANEL
EEPROM
AUDIO PROCESSOR
SUB_ON
TS Parallel
SD CARD DATA
OPERATION BUTTON
VOLTAGE
K-BOARD
HDMI2
A02
EEPROM
K01
NAND FLASH
DVDD2.5V
ON
HDMI1
LIVE
+5.8VS
INV_PWM
TMDS DATA
POWER LED
INV_PWM
INV_SOS
SUB1.8V
SPEAKER(R)
(A Chip)
AV2
CPU BUS I/F
(D Chip)
CONTROL
DCDC
NEUTRAL
17V
SOS DET
A-BOARD
PANEL
OPTICAL OUT
SUB_ON
SOS DET
AV SW
AVDD13.7V
PC
MONITOR L,R
POWER LED
P-BOARD
POWER SUPPLY
MONITOR OUT
MONITOR V
DIGITAL SIGNAL PROCESSOR
OPTICAL
V
REMOTE RECEIVER
A/D CONVERTOR
AVDD13.7V
P5,P6.P7,P8
C.A.T.S. SENSOR
AVDD13.7V
RECTIFIER
LINE FILTER
SOUND17V
AUDIO
A14
SPEAKER(L)
HP
AV3
HEADPHONE
CPU BUS
INV_PWM
SD CARD
OUT
AV1
SUB ON/OFF
L
+5.8VS
RECEIVER
L/R
HOT START
(DAC_ENB)
SD CARD DATA
TMDS DATA
PROCESS VOLTAGE RECTIFIER
REMOTE IN
L/R
RELAY
32V
DTV12V
Peaks sLD
SOUND17V
TS Parallel
SIF
SUB5V
STB+5.8V
SLOT
SUB3.3V
LVDS DATA
POWER SW
P2
L/R
P1
BACK LIGHT
DCDC
SUB1.2V
A10
LVDS DATA
INV_ON
STB5V
KEYSCAN
A09
A12
C.A.T.S. SENSOR
IFD_OUT
OFDM
SIF_OUT
TUNER
V
(LED:7TIMES)
(LED:1TIMES)
(LED:4TIMES)
(LED:3TIMES)
(LED:9TIMES)
(LED:3TIMES)
Summary of Contents for TX-LR32C20
Page 15: ...TX LR32C20 15 7 Disassembly and Assembly Instructions 7 1 AC Cord Dressing TREATMENT AC CORD ...
Page 23: ...TX LR32C20 23 7 9 LCD Panel Installation Put LCD PANEL on the CABINET ...
Page 37: ...TX LR32C20 37 11 Schematic Diagram 11 1 Schematic Diagram Notes ...
Page 38: ...TX LR32C20 38 11 2 A Board 11 2 1 A Board Sheet 002 1 4 1A 2A ...
Page 39: ...TX LR32C20 39 11 2 2 A Board Sheet 002 2 4 1B 2B 3B 4B 1A 2A ...
Page 40: ...TX LR32C20 40 11 2 3 A Board Sheet 002 3 4 1C 2C 3C 4C 5C 6C 7C 1B 2B 3B 4B ...
Page 41: ...TX LR32C20 41 11 2 4 A Board Sheet 002 4 4 1C 2C 3C 4C 5C 6C 7C ...
Page 42: ...TX LR32C20 42 11 2 5 A Board Sheet 003 1 3 1A 2A 3A 4A 5A 6A 7A ...
Page 43: ...TX LR32C20 43 11 2 6 A Board Sheet 003 2 3 1B 2B 3B 4B 5B 1A 2A 3A 4A 5A 6A 7A ...
Page 44: ...TX LR32C20 44 11 2 7 A Board Sheet 003 3 3 1B 2B 3B 4B 5B ...
Page 45: ...TX LR32C20 45 11 2 8 A Board Sheet 005 1 3 1A 2A 3A 4A 5A 6A 7A 8A ...
Page 46: ...TX LR32C20 46 11 2 9 A Board Sheet 005 2 3 1B 2B 3B 4B 1A 2A 3A 4A 5A 6A 7A 8A ...
Page 47: ...TX LR32C20 47 11 2 10 A Board Sheet 005 3 3 1B 2B 3B 4B ...
Page 48: ...TX LR32C20 48 11 2 11 A Board Sheet 007 1 4 1A 2A 3A 4A 5A 6A ...
Page 49: ...TX LR32C20 49 11 2 12 A Board Sheet 007 2 4 1B 2B 3B 4B 5B 6B 7B 8B 1A 2A 3A 4A 5A 6A ...
Page 50: ...TX LR32C20 50 11 2 13 A Board Sheet 007 3 4 1C 2C 1B 2B 3B 4B 5B 6B 7B 8B ...
Page 51: ...TX LR32C20 51 11 2 14 A Board Sheet 007 4 4 1C 2C ...
Page 52: ...TX LR32C20 52 11 2 15 A Board Sheet 009 1 4 1A 2A ...
Page 53: ...TX LR32C20 53 11 2 16 A Board Sheet 009 2 4 1B 2B 3B 1A 2A ...
Page 54: ...TX LR32C20 54 11 2 17 A Board Sheet 009 3 4 1C 1B 2B 3B ...
Page 55: ...TX LR32C20 55 11 2 18 A Board Sheet 009 4 4 1C ...
Page 56: ...TX LR32C20 56 11 2 19 A Board Sheet 010 1 6 1A 2A 3A 4A ...
Page 57: ...TX LR32C20 57 11 2 20 A Board Sheet 010 2 6 1B 2B 3B 4B 5B 1A 2A 3A 4A ...
Page 58: ...TX LR32C20 58 11 2 21 A Board Sheet 010 3 6 1C 2C 1B 2B 3B 4B 5B ...
Page 59: ...TX LR32C20 59 11 2 22 A Board Sheet 010 4 6 4D 1D 2D 3D 5D 1C 2C ...
Page 60: ...TX LR32C20 60 11 2 23 A Board Sheet 010 5 6 1E 4D 1D 2D 3D 5D ...
Page 61: ...TX LR32C20 61 11 2 24 A Board Sheet 010 6 6 1E ...
Page 62: ...TX LR32C20 62 11 2 25 A Board Sheet 012 1 3 1A 2A 3A 4A ...
Page 63: ...TX LR32C20 63 11 2 26 A Board Sheet 012 2 3 1B 2B 3B 1A 2A 3A 4A ...
Page 64: ...TX LR32C20 64 11 2 27 A Board Sheet 012 3 3 1B 2B 3B ...
Page 65: ...TX LR32C20 65 11 2 28 A Board Sheet 015 1 4 1A 2A 3A 4A ...
Page 66: ...TX LR32C20 66 11 2 29 A Board Sheet 015 2 4 1B 2B 3B 1A 2A 3A 4A ...
Page 67: ...TX LR32C20 67 11 2 30 A Board Sheet 015 3 4 1C 2C 3C 4C 5C 1B 2B 3B ...
Page 68: ...TX LR32C20 68 11 2 31 A Board Sheet 015 4 4 1C 2C 3C 4C 5C ...
Page 69: ...TX LR32C20 69 11 2 32 A Board Sheet 016 1 4 1A 2A ...
Page 70: ...TX LR32C20 70 11 2 33 A Board Sheet 016 2 4 1B 2B 3B 4B 1A 2A ...
Page 71: ...TX LR32C20 71 11 2 34 A Board Sheet 016 3 4 1C 2C 3C 4C 5C 6C 1B 2B 3B 4B ...
Page 72: ...TX LR32C20 72 11 2 35 A Board Sheet 016 4 4 1C 2C 3C 4C 5C 6C ...
Page 73: ...TX LR32C20 73 11 2 36 A Board Sheet 017 1 4 1A 2A ...
Page 74: ...TX LR32C20 74 11 2 37 A Board Sheet 017 2 4 1B 2B 3B 4B 1A 2A ...
Page 75: ...TX LR32C20 75 11 2 38 A Board Sheet 017 3 4 1C 2C 3C 4C 1B 2B 3B 4B ...
Page 76: ...TX LR32C20 76 11 2 39 A Board Sheet 017 4 4 1C 2C 3C 4C ...
Page 77: ...TX LR32C20 77 11 2 40 A Board Sheet 018 1 1 ...
Page 78: ...TX LR32C20 78 11 3 K Board 11 3 1 K Board 1 2 1A 2A 3A 4A ...
Page 79: ...TX LR32C20 79 11 3 2 K Board 2 2 1A 2A 3A 4A ...
Page 80: ...TX LR32C20 80 11 4 P Board 11 4 1 P Board 1 5 1A 2A 3A 4A 5A 6A 7A ...
Page 81: ...TX LR32C20 81 11 4 2 P Board 2 5 1B 2B 3B 4B 5B 6B 1A 2A 3A 4A 5A 6A 7A ...
Page 82: ...TX LR32C20 82 11 4 3 P Board 3 5 1C 2C 3C 1B 2B 3B 4B 5B 6B ...
Page 83: ...TX LR32C20 83 11 4 4 P Board 4 5 1D 2D 3D 4D 1C 2C 3C ...
Page 84: ...TX LR32C20 84 11 4 5 P Board 5 5 1D 2D 3D 4D ...
Page 85: ...TX LR32C20 85 11 5 V Board 11 5 1 V Board 1 3 1A 2A 3A 4A ...
Page 86: ...TX LR32C20 86 11 5 2 V Board 2 3 1B 2B 3B 4B 1A 2A 3A 4A ...
Page 87: ...TX LR32C20 87 11 5 3 V Board 3 3 1B 2B 3B 4B ...
Page 106: ...Model No TX LR32C20 Parts Location ...
Page 107: ...Model No TX LR32C20 Packing Exploded View 1 ...
Page 108: ...Model No TX LR32C20 Packing Exploded View 2 ...