Panasonic lh90 tc-l32c12 Service Manual
23
9 Block Diagram
9.1.
Main Block Diagram
(LED:4 TIMES)
(LED:6 TIMES)
(LED:9
TIMES)
(LED:1 TIME)
(LED:3 TIME)
(LED:4 TIMES)
(LED:6 TIMES)
(LED:9 TIMES)
(LED:1 TIME)
(LED:3 TIME)
+1.8V
EEPWP
EEPROM
IIC3
INV SOS
A07
SWICH
SD CARD
HDMI1
SPDIF
SUB+3.3V
DDR2 SDRAM
CLOCK
GEN
GEN
SUB_ON
27MHz
74MHz
27MHz
Peaks Lite2p
SUB+1.2V
FLASH
MEMORY
MEMORY
V10
PANEL
REMOTE
STB+1.8V
TS Serial
DCDC
SPEAKER
(L,R)
(L,R)
STB+5V
VIDEO2
MODULE P
FOR
FACTORY
USE
FACTORY
USE
A15
SERIAL
TV-L,R
PANEL
PANEL+12V
A10
DTV+12V
AC CORD
A03
SBO2
SBI2
SBI2
VIDEO1
P5
V
Digital/Analog
Tuner
Tuner
KEY SCAN
A11
OPT OUT
L,R
LVDS
Y,PB,PR
STB+3.3V
BACK LIGHT
CONTROL
L,R
RESET
A02
DTV Audio signal
SUB+5V
DTV12V SENSE
+3.3V
REMOTE
STB+5V
TS Serial
Video front-end,
Audio processor,
Micom,
HDMI-Receiver
Audio processor,
Micom,
HDMI-Receiver
AUDIO AMP
SUB+3.3V
COMP1
HUNSON2
SUB+1.8V
DCDC
SUB+1.2V
A12
SUB+1.8V
Digital Video signal
V,Y,C
SUB+3.3V
L,R
DTV+12V
PWM
SEL
FOR
FACTORY
USE
FACTORY
USE
HDMI2
Control
Panel
Assy
Panel
Assy
A20
SOUND SOS
LED
DCDC
EEPROM
L,R
INV SOS
STB+3.3V
P2
SOS
SD CARD I/F
A-BOARD
SUB5V SENSE
RESET
SPDIF
LED
REMOTE
CONTROL
CONTROL
LED
(MAIN MCU+VIDEO SIGNAL PROCESSOR)
P1
*IP CONVERTER
SD BOOT
*SCALING
TV-V
*OSD MIX
V
DCDC
*PICTURE CORRECT
FRONT END
IFD1/2
V-BOARD
K1
LCD PANEL
PC
R,G,B
FOR
FACTORY
USE
FACTORY
USE
A06
17V
TUNER6V
DTV12V
STB5V
SUB_ON
OVP_DET
P4
P6