Read Panasonic TH-42LF25W / TH-47LF25W Service Manual online
TH-42LF25W / TH-47LF25W
28
9.2.
Block (2 of 2) Diagram
Q615
Q1501
Q1502
Q1503
SW1902
SW1903
SW1904
SW1905
SW1906
K19G
SW1901
INPUT
MENU
POS-
POS+
ENTER
MCU5V
D1951
IC1952
IOUT
VCC
IC1951
IR
K19I
K39G
K39H
RED
IR
GND
GREEN
BACKLIGHT
RED
GREEN
3.3STB
5V
AV1_S
AV1_C
AV1_Y
AV3_CVBS+
PC_L
PC_R
DVI_IN_L
DVI_IN_R
TX
AV_IN_L
AV1_Y
PC_R
AV_IN_R
AV1_S
DVI_IN_L
PC_L
K10E
K10D
AV
L / R
IN
PC
L / R
IN
DVI
L / R
IN
Y / C
IN
RS232C
IN
AV3
CVBS
IN
RX
AV3_CVBS+
DVI_IN_R
AV1_C
AV_IN_L
AV_IN_R
DVI-D
Q309
HDMI 1
IN
HDMI 2
IN
RX
TX
K72E
K72D
AV2_PR/B
AV2_Y/G
AV2
IN
AV2_PB/R
VGA_B/PR
VGA_G/Y
V_SINC
H_SINC
VGA_R/PB
HDMI1_CEC
+5V
+5V
HDMI1_IIC
DVI_IIC
HDMI1_DA
TA_CLOCK
HDMI1_DATA_CLOCK
HDMI1_DA
TA_CLOCK
HDMI1_DA
TA_CLOCK
TMDS_DA
TA_CLOCK
TMDS_DATA_CLOCK
PC IN
EEPROM
VGA_IIC
PC_DET
HDMI2_CEC
+5V
HDMI2_IIC
HDMI2_DA
TA_CLOCK
HDMI2_DA
TA_CLOCK
IC1501
DDR SDRAM
IC5500
IC7200
Main Chip
Q2001
Q2003
Q2003
SYNC_DET
MUTE
12V_PWR
IC001
MUTE
STBY
VIN1+
PLC
VIN2+
25
OUT2+
26
OUT2+
30
OUT2-
31
OUT2-
36
OUT1-
37
OUT1-
41
OUT1+
42
OUT1+
43
PVD1
44
PVD1
45
OUT_R
KSPL
KSPR
SP-L
SP-R
OUT_L
SPEAK_SW_R
SWH-SPEK
Q1902
Q1901
IC8134
IC2009
IC2010
AMP_STBY
12V
L+
L-
R+
R-
AV1_S
AV3_CVBS+
AV_IN_L
AV_IN_R
RX
TX
PC_R
PC_L
AV1_C
AV1_Y
DVI_IN_L
DVI_IN_R
AV1_S
AV3_CVBS+
AV_IN_L
AV_IN_R
PC_R
PC_L
AV1_C
AV1_Y
DVI_IN_L
DVI_IN_R
HD5V3
HD5V2
HD5V1
HOT_PLUG
Q311
HDMI2_HPD
Q310
HDMI1_HPD
Q701
HDMI_HPD
HDMI_HPD
DVI_SCL
HD5V1
HD5V3
HDMI1_SDA
HDMI1_SCL
HDMI1_SCL
IC750
IIC
IIC
HD5V2
HOT_PLUG
HDMI2_HPD
HDMI2_SDA
HDMI2_SCL
DVI_SDA
HDMI_SDA
HDMI1_HPD
SCL
SDA
HDMI_SCL
POW_SINK
HDMI_SDA
HDMI_SCL
POW_SINK
3.3VSTB
IC804
REAL TIME CLOCK
SDA
CLOCKOUT
CLOCKOUT
RTC
RT
C
SCL
SDA
SCL
3.3VSTB
MCU_5V
IC805
MCU_5V
MAIN_EN
IR
KEY_POWER
RTC
5VD_PWR
SWICH
SWICH
SWICH1
SWICH2
IC7201
10
11
12
13
14
15
16
17
18
19
20
SYNC_DET
PC_DET
LED_GREEN
LED_RED
UART-SW
UAR
T-SW
T-SW
IC2005
IC2006
RXD0
RXD1
RXD1
TXD1
TXD1
5VSTB
TXD0
3.3VSTB
RXD0
MCU_5V
MCU_5V
IC2007
IC2008
Q7206
K19F
RED
5VD
GREEN
3.3STB
IR
KEY0
KEY
-POWER
SWICH2(F-5V)
SWICH1
BACKLIGHT
3.3VSTB
3.3VSTB
3.3VSTB
IC2012
IC5501
DRXD
DTXD
TX
RX
IC2003
VGA_B/PR
VGA_G/Y
V_SINC
H_SINC
VGA_R/PB
VGA_IIC
LIGHT_DET
KEY 0
AV2_PR/B
AV2_Y/G
AV2_PB/R
OUT_R
OUT_L
SWH-SPEK
MUTE
AMP_STBY
LIGHT_DET
TXD0
PWM1
OPC_EN
PEL-TEST
TO LCD PANEL
FROM CONNECTOR BOARD(KLVP)
MSTR1_SCL
MSTR1_SDA
MSTR1_SDA
SPI_CEN
SPI_DO
SPI_DI
FAIL
P_FAIL 1
SPI_CLK
IC8001
IC8000
EEPROM
SPI Serial
Q7207
Q7208
Q7208
AUDIO AMP.
TO POWER BOARD
FROM CONNECTOR BORD K16A
FROM CONNECTOR BORD K16A
KEY SW BOARD
MAIN BOARD
RC+LED BOARD
JACK BOARD
SUB MCU
RS-232C SW
HDMI/DVI-D SW
Cross
Point
Switch
Point
Switch
Triple
10-bit
ADC 1
10-bit
ADC 1
Triple
10-bit
ADC 2
10-bit
ADC 2
2nd Channel
Processing +
DCDi EdgeTM
Processing +
DCDi EdgeTM
3D Video
Decoder
Decoder
Output
Formatter
Formatter
Display
Port Tx
Port Tx
ADC
IR I/F
I2C BUS
SPI Interface
General
Purpose
I \ O
Purpose
I \ O
VBI Data
Processor
Processor
Memory
Controller
Controller
OSD
Controller
Controller
Audio
Mux
Mux
Audio
DSP
DSP
Audio
DAC
DAC
LVDS Tx
Digital
Input
Input
MUX
I2S SPDIF Tx
Embedded
Micro-
processor
Micro-
processor
DCDi , Motion Adaptive
De-interlacing, Scaling,
Shaping Filter,
De-interlacing, Scaling,
Shaping Filter,
Enhancer, ACC II,
ACM-3D, 3x3 Matrix,
PicBlend, CLUTs,
OSD Blend
ACM-3D, 3x3 Matrix,
PicBlend, CLUTs,
OSD Blend
3x3 Matrix
DVI \
HDMI
HDMI
Display
Port Rx
Port Rx
ADC
inputs,
I2S\
SPDIF Rx
inputs,
I2S\
SPDIF Rx
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