Panasonic TH-L37D25A Viera, Service Manual

Page: 33 / 84

TH-L37D25A
33
9 Block Diagram
9.1. Main Block Diagram
H O T C O L D
(L E D :4 T IM E S )
(L
ED
:1
T
IM
ES)
(L E D :7 T IM E S )
(L E D :9 T IM E S )
PANEL_VCC_ON
FE1.2V
RECTIFIER
NEUTRAL
SD I/F
2.5V(FE)
USB DATA
PFC
CONTROL
TUNER5V
TUNER5V
LVDS DATA
DCDC
S01
C.A.T.S. SENSOR
SOS DET
SUB1.2V_D
SD CARD DATA
AMP
C.A.T.S. SENSOR
STB+3.3V
REMOTE IN
MONITOR
OUT
STB_RESET
Y/PB/PR,
R/G/B/H/V CVBS
STB5V
V
PWM_PWR_ON
(SIDE)
DCDC
BACK LIGHT SOS
OPERATION
BUTTON
LIVE
SUB 3.3V SENSE
CNAC
DTV12V
OVP_DET
IFD_OUT
PWM
RECTIFIER
SUB3.3V
LAN I/F
P2
CONTROL PANEL
V
PROCESS
VOLTAGE
RECTIFIER
STANDBY
VOLTAGE
RECTIFIER
DTV12V SENSE
DIGITAL SIGNAL PROCESSOR
HDMI1
EEPROM
LINE
FILTER
LAN DATA
TUNER
LVDS DATA
POWER
CONTROL
TMDS DATA
AC CORD
BACK LIGHT
POWER
CONTROL
STB+3.3V
SUB_ON
USB1
OFDM
17V
PWM
SUB1.2V
+12V
SWICH
TS Parallel
MONITOR L,R
AV SW
AUDIO
SPEAKER(R)
RELAY
POWER LED
AUDIO
SIF
SLOT
DCDC
L/R
SUB5V
SUB9V
TMDS DATA
L/R
A02
A/D
CONVERTOR
TS Parallel
DCDC
ASSY
+5.8VS
SD CARD
L/R
POWER LED(R)
SUB5V
RECEIVER
+5.8VS
RXD1
TXD1
ANALOG-ASIC
RXD1
TXD1
SUB1.2V
A-BOARD
SOUND SOS
OUT
V
GenX8
L
DCDC
AV3
PNL12V
HDMI2
OPTICAL AUDIO OUT
DTV_L/R
V10
BACK LIGHT ON
STB5V STB3.3V
LAN
HP
DCDC
L/R
PC
OPTICAL
REMOTE RECEIVER
OPTICAL OUT
SUB_ON
BACK LIGHT ON
CPU BUS
I/F
SUB9V
STB_SUB5.8V
HDMI I/F
USB5V
REMOTE RECEIVER
SUB5V
(SIDE)
DTV12V
SOS DET
A12
DCDC
SUB1.5V
(DDR1.5V)
R
DDR3
SUB3.3V
(A Chip)
USB2
HDMI3
D/A
CONVERTOR
STB_RESET
POWER SUPPLY
(D Chip)
KEYSCAN
CLOCK
GEN
STB5V
AV2
A09
POWER LED
(SIDE)
USB
I/F
R/G/B/H/V
SIF_OUT
C.A.T.S. SENSOR
V/Y/PB/PR
AUDIO
PROCESSOR
V
2.5V
DVB_CVBS
Peaks LDA2
CPU BUS
P-BOARD
SUB1.5V
NAND
FLASH
AUDIO_VCC
EEPROM
TMDS DATA
SPEAKER(L)
BACK LIGHT SOS
SUB_OP_5V
(USB5V)
V-BOARD
STM
DCDC
DTV12V
HEADPHONE
VIDEO
PROCESSOR
PWM_PWR_ON
(SIDE)
AV1
FE1.2V
DTV12V
SUB1.2V_A
STB3.3V
MONITOR V
STB5.8V
A10
DCDC
SUB
ON/OFF
174V
CN01,CN02
SOUND SOS
mini_
LVDS
CLK
rDAC
LVDS
GCLK
LVDD16V
H_VDD8V
DCDC
PWM
GMA
BUCK_CONV
VGI_N/P
TC05
ZWEI2
mini_LVDS_ RIGHT
TC06
TC01
LVDD16V
ZW1.2V
LVCC3.3V
LEVEL SHIFTER
LVDD16V
LG TCON
VDD1_3.3V
A15
LED BACK LIGHT
FLASH
EEPROM
LVCC3.3V
PNL12V
mini_LVDS_ LEFT
PANEL
TC04
H_VDD8V
LVCORE1.2V
PANEL
VDD1_3.3V
LVCORE1.2V
LVCC3.3V
CONTROL
H_VDD8V
LCD PANEL
VDD
DCDC
DCDC
ZW1.2V
SUB 3.3V
DTV12V
TC-BOARD
TIMING CONTROLER
HOT COLD
(LED:4TIMES)
(LED:1TIMES)
(LED:7TIMES)
(LED:9TIMES)