Panasonic TX-LR37S25 Service Manual ▷ View online
TX-LR37S25
33
9 Block Diagram
9.1.
Main Block Diagram
(L
E
D
:1
T
IM
E
S
)
(LED:7TIMES)
(LED:9TIMES)
(LED:4TIMES)
EEPROM
SIF_OUT
CPU BUS
I/F
(D Chip)
SIF
P5,P6.P7,P8
SUB9V
DTV12V SENSE
C.A.T.S. SENSOR
INV_ON
SD CARD DATA
(SIDE)
SUB3.3V
SD CARD
DCDC
V
OUT
DTV12V
INV_SOS
Peaks LDA2
A10
LVDS DATA
TMDS DATA
STB5V
KEYSCAN
12V
SOUND17V
CONTROL
A15
L
PWM_PWR_ON
CONTROL PANEL
SUB 3.3V SENSE
SUB3.3V
STB5V
A09
DVB_CVBS
LVDS DATA
TS Parallel
RECEIVER
A12
POWER SUPPLY
NEUTRAL
DIGITAL SIGNAL PROCESSOR
AUDIO
C.A.T.S. SENSOR
MONITOR
OUT
17V
OPTICAL
SOS DET
PROCESS
VOLTAGE
RECTIFIER
PANEL
R
POWER SW
INVERTER
POWER
CONTROL
CURCUIT
DTV_L/R
A-BOARD
SUB9V
PWM
EEPROM
SOUND SOS
V
STB_RESET
+5.8VS
PANEL
SUB1.2V_A
RECTIFIER
SUB5V
HDMI1
VIDEO
PROCESSOR
MONITOR V
SOUND SOS
LIVE
STB+3.3V
LINE
FILTER
+5.8VS
AMP
DCDC
OPTICAL OUT
STB3.3V
LCD PANEL
PC
TUNER6V
INV_ON
SUB_ON
AUDIO
STM
SOS DET
(SIDE)
SPEAKER(R)
AV SW
TMDS DATA
STB5.8V
MONITOR L,R
K01
POWER LED
STB3.3V
P2
NAND
FLASH
(A Chip)
P-BOARD
DCDC
INV_SOS
L/R
PFC
CONTROL
OPTICAL AUDIO OUT
(SIDE)
P1
ON
RECTIFIER
POWER LED(R)
V-BOARD
DTV12V
BACK LIGHT
SUB5V
POWER
CONTROL
DCDC
DCDC
STB_RESET
PNL12V
R/G/B/H/V
PWM
V
TUNER5V
32V
REMOTE IN
L/R
SUB5V
ANALOG-ASIC
L/R
Y/PB/PR,
R/G/B/H/V CVBS
D/A
CONVERTOR
RELAY
+5.8VS
STB+5.8V
AUDIO
PROCESSOR
SPEAKER(L)
HDMI3
SUB_ON
TS Parallel
SLOT
POWER LED
SD I/F
OPERATION
BUTTON
DTV12V
AV1
HP
SUB1.2V
K-BOARD
INV_SOS
L/R
V/Y/PB/PR
AV3
STB5V
STANDBY
VOLTAGE
RECTIFIER
OVP_DET
REMOTE RECEIVER
TMDS DATA
SUB
ON/OFF
TUNER5V
REMOTE RECEIVER
DCDC
HDMI I/F
C.A.T.S. SENSOR
V10
A/D
CONVERTOR
HDMI2
AC CORD
A02
V
HEADPHONE
STB+3.3V
TUNER
IFD_OUT
CPU BUS
OFDM
AV2
GenX8
+12V
SWICH
USB2
USB
I/F
USB DATA
INV_PWM
DDR3
CLOCK
GEN
LAN
LAN I/F
LAN DATA
USB1
(SIDE)
INV_ON
PWM_PWR_ON
SUB1.5V
SUB1.5V
(DDR1.5V)
SUB1.2V
SUB1.2V_D
USB5V
SUB_OP_5V
(USB5V)
DCDC
2.5V(FE)
2.5V
DCDC
FE1.2V
FE1.2V
DCDC
RXD1
TXD1
RXD1
TXD1
PANEL_VCC_ON
(LED:1TIMES)
(LED:7TIMES)
(LED:9TIMES)
(LED:4TIMES)
TX-LR37S25
34
10 Wiring Connection Diagram
1. Wiring No. 1 ~ No. 6
2. Remove dust of terminal of LVDS and PB connector. (by ion blow) Pos. A15.
3. Insert LVDS into Pos.A15.
2. Remove dust of terminal of LVDS and PB connector. (by ion blow) Pos. A15.
3. Insert LVDS into Pos.A15.
Wire
Clamper
1
2
3
4
5
6
7
8
No.1 A09 - P2
No.2 A10 - K02
No.3 A02 - V10
No.4 A12 - SP (L)
No.5 A12 - SP (R)
No.6 P2 - CN6
TX-LR37S25
35
11 Schematic Diagram
11.1. Schematic Diagram Notes
TX-LR37S25
36
11.2. A-Board (1/19) Schematic Diagram
6
5
4
3
2
1
A
B
C
D
E
F
G
H
I
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