Detailed Block Diagram (1/3) - Panasonic TH-48AX670T Service Manual

9.2.

Detailed Block Diagram (1/3)

P POWER SUPPLY
T7202,04
Q7301.02
POWER
D7102
OUT
RECTIFIER
Q7201,03
IC7201
PFC
IC7301
POWER CON.
AC DET
Q7202
CF7101
LF7106
LINE
LF7107
FILTER
HOT H O T COLD
LF7105
F7101
T5AH AC250V
JK7101 1 2
AC CORD
IC7801
Q7801,10
BOOSTER
P4
T7302,03
IC7503
P2
D7412 PA7406
16V 5VS
+6V 7
D7413
D7403 24V
D7407
Q7403
Q7405
1
PA7403
2
3
RL7101
Q7402
Q7404
PC7301 IC7401
PHOTO ERROR
COUPLER DET
PC7302 Q7407
Q7401
PHOTO
9
COUPLER
PC7303
PHOTO
COUPLER
Q7800
14
11
13
15
21
12
C O L D
10
P5 3 2
GK4 3 2
POWER SW
IC7800
LED SW2857
N
DRIVER
SW2851-2855
CONTROL PANEL KEY
SWITCH
GK
12 1
15 14 13 11 10 9 7 6 5 4 3 2
PANEL
BACK LIGHT
CONTROL
LCD PANEL
A MAIN
SRV STB5V
A02
TP2017
STB5V
5VS
7
SRV 16V
16V
TP2002
1
16V
2
16V
3
TV_SUB_ON SUB_ON
9
BL_SOS BL_SOS
14 IC8710
BL_ON BL_ON SUB5V
11
PA8710
+5V
PWM1 PWM_1
13
PWM2 PWM_2
15
PWM7 PWM_7
21
POWER_ON POWER_ON
12
KEY KEY
10
31
JK6751
RF IN
X6750
24MHz
IC6750
ON BOARD TUNER
IC5704
+1.8V
X6800
DMD_IIC1 41MHz
IC6800
SUB3.3V
DVB-T
AGC1
IC5702
DMD1.2V
FE_XRST
PA5703
+1.2V
DEMODULATOR
SUB3.3V
IC8700
P+15V
+3.3V
DCDCIN IC8100
PA2002
+1.1V
IC8101
+1.5V
PNL12V
IC8720
+12V
OVP DET (SAFTY CIRCUIT)
TH-48AX670T TH-55AX670T
JK3001B
AV1
DMD_IIC_0
1
2
3
4
SUB5V
5
6
7
SUB1.1V
SUB1.5V
STB5V
8
9
10
D5172
P+15V D5173
SUB5V
D5188
SUB3.3V
D5178
11
12
13
14
15
PANEL+12V
16