Detailed Block Diagram (1/2) - Panasonic TH-L42E5R Service Manual

9.2.

Detailed Block Diagram (1/2)

P POWER
IC7301,
IC7201, Q7301,
T7202, Q7302
D7106 Q7201
RECTIFIER PFC
CF7101,2
LF7103-5
LINE
FILTER
F7101
1 2
JK7101
AC CORD
IC7502
STB6V
T7301
D7407 PA7406
+6V
LLC
CONVERTER Q7403
D7408,9
PA7402
AC
Q7402
DETECT D7401,2
IC7401
PC7301
PHOTO ERROR
COUPLER DETCT
PC7303
PHOTO
COUPLER
PC7302
PHOTO
COUPLER
KEY1
KEY3
BL_SOS
BL_ON
PA7401
BL_PWM
HOT HOT HOT COLD COLD COLD
P4
7 8 9 1 2 3 10 11
GK SW
GK4
SW2851-2855
2 CONTROL PANEL KEY
3
LCD PANEL
LED DRIVE
LCD
DRIVER
A MAIN
A02 5.8VS
P2
5.8VS
5 9
P15V
+16V
3 5
+16V
2 3
+16V
1 1
SUB_ON SUB_ON
7 13
KEY1 KEY1
8 2
KEY3
KEY3(POWER ON)
9 15
BL_SOS
BL_SOS
10 4
BL_ON BL_ON
11 6
BL_PWM
BL_PWM
1 3 1 0
P15V
SW2857
IC5300
POWER SW
PANEL12V
PNL12V
+12V
D5300
SOS_SENSE
D5301
PANEL_VCC_ON
A18
1
PNL12V
4
11
LVDS DATA LVDS TX CHB
40
31
JK3008 JK3001 JK3005
JK3051
PC IN
AV1 AV2
HEADPHONES
AUDIO OUT
1
2
IC3052
AMP 3
4
5
SUB9V
6
5.8VS
7
IC5440 USB5V
USB5V
PA5440
+5V 8
IC5420 SUB5V
SUB5V
+5V 9
D5179
D5178
IC5400 SUB3.3V
SUB3.3V
+3.3V 10
11
D5172
D5173
P15V
12
TH-L42E5R