Block (1/3) Diagram - Panasonic TC-L42D2 Service Manual

9.2.

Block (1/3) Diagram

POWER SUPPLY
P
D102
RECTIFIER
L202
D201
Q201
Q202
Q203
CONTROL
D205
I201
PFC
Q204
D210,D211
D105-D108
RECTIFIER F101
2A AC250V
D409
D403
L003 LINE
L001 FILTER
STB
CONTROL
F001 F002
I401
4A 4A
AC250V AC250V
Q401
AC IN
DET
CNAC
1 2
SUB_ON
Q305
AC CORD
12V CURRENT
CONTROL/DRIVER
Q357
D
Q352A
VCC
BACK
LIGHT G CONTROL
ON Q356
PWM
SENSE
PWM I351A
Q351A
SOS Latch
SOS
Q355
SOS
CURRENT
CONTROL/DRIVER
D
Q352B
VCC
G CONTROL
PWM
SENSE
PWM I351B
Q351B
SOS
SN2500
C.A.T.S.
SENSOR
V POWER LED
RM2500
REMOTE RECEIVER
REMOTE
C.A.T.S. SENSOR
RECEIVER
CONTROL PANEL ASSY
HOT HOT COLD COLD
4A AC250V D560
174V
Q301,Q302 T301
F301 D353
174V D557
RESONANCE
D363
D559
L651
18V D556
D653
D558
I301
D753
15V D555
POWER
D755
CONTROL
Q501 Q553
I551
Q554
D554
PHOTO COUPLER
Q551
SOS
I751
I501
PHOTO COUPLER
V_DET
V+
I752
I552 D553
12V ERROR DET
S102
D452
S101
I553
SUB_ON
ERROR
Q452 D565
DET
S103
15V
R003
SUB_ON D566
D564 Q454
T401
L401 Q556
STB6V STB6V_ON
L451
D451
AC IN_ON
Q453
F401
I402
D402
PHOTO COUPLER
I451 I452
STB5.8V
PHOTO COUPLER ERROR DET
I453
PHOTO COUPLER
D3A2-D3C2/D3D2-D3F2
L352A
I3A1-I3C1/I3D1-I3F1
L353A D357A
OVP DET
V IN V OUT
Q354A
LED DRIVER
D3A1-D3F1
I352A
PHOTO COUPLER
D358A
I353A
OVP 174V
I354A
PHOTO COUPLER
ERROR DET
D3G2-D3I2/D3J2-D3L2
L352B
I3G1-I3I1/I3J1-I3L1
D357B
L353B
OVP DET
V IN V OUT
Q354B
LED DRIVER
D3G1-D3L1
I352B
PHOTO COUPLER
D358B
I353B
174V
OVP I354B
PHOTO COUPLER ERROR DET
A DIGITAL SIGNAL PROCESSOR
D2500A
V10 A10
POWER LED
R_LED_ON POWER LED(R)
1 7
C.A.T.S.
C.A.T.S.
4 4
REMOTE IN REMOTE IN
5 3
SUB+5V
+5V
7 1
STB+3.3V
+3.3V 3 5
K1 A04
KEYSCAN1
KEYSCAN1
OPERATION KEYS 2
KEYSCAN3 KEYSCAN3 SOUND15V
POWER SW 4
F15V
STB5V
P2 A03
SOUND15V
15V 7 7
F15V
4
9
L751
F15V
5 10
BACK LIGHT BACK LIGHT
SOS SOS BACK LIGHT SOS STB5V
12 2
Q555
SOS_ON
Q5602
VOLTAGE
DROP
ERROR DET
D5600
Q4770
RELAY_ON RELAY
11 3
SUB_ON TV_SUB_ON
TV_SUB_ON
9 5
STB6V STB5V
1 13
SUB6V
SUB6V
2 12
IC5608
SUB5V
F15V
+5V
BACK
LIGHT ON BACK LIGHT ON
13 1
Q2760 IC5610
SUB1.8V
PWM
TC06 Q2761
15
PANEL_
+1.8V
VCC_ON
IC5606
CN01
174V
DCDC_EN
#1 Anode
1
3 Q5616
D5629
#1
Cathode 4
Q5612
5 Q5613
F15V DET ON/OFF
8
#2
9
Cathode
10
TO
#2 Anode
12
LED
BACK LIGHT
CIRCUIT
CN02
#3 Anode 1
3
#3
4
Cathode
5
9
#4
10
Cathode
11
#4 Anode
13
30
SUB5V
STB3.3V
STB3.3V
STB1.2V
IC4700
SUB5V
ANALOG-ASIC
IC5601
STB5V D5604 D5605
STB
RESET
+3.3V
MCU_RESET
STB
+1.2V
D5603
MCU_RESET KEYSCAN3
STB_RST
SUB1.2V DET
SOS_RSV
AG_SOS
SUB1.8V DET
SOS7 SOS8
SUB5V DET
SOS
SOS6
SOS
(LED:3TIMES) (LED:3TIMES)
Q4704 Q4703
Q4702
SUB5V
IC5605
SUB3.3V
3.3V
SUB1.8V
SUB1.2V
SUB1.2V
+1.2V
ON/OFF
PA4202
PNL12V
Q5412
SUB5V
OVP
Q5615
TC05 A21
1
PNL12V
5
46
IIC1
47
PWM_POWER_ON
49
13
LVDS DATA [R(A-D)_0+/-)]
24
29
LVDS DATA [R(A-D)_E+/-)] LVDS DATA
40
1
2
3
4
5
6
7
8
9
10
11