Panasonic TX-55CX670E, Service Manual

Page: 38 / 44

38
10.2. Block Diagram (2/3) 10.3. Block Diagram (3/3)
1
VH
VSS
14
VCC
10
MAIN INPUT
Line
Filter
LF7105
3
2
4
1
T7202
1 8
3
7
T7201
8
1
7
3
1
16 13
8
12
2
FB OVP
HOT
COLD
T7301
Q7202
~
~
+
-
D7102
F7101
P1
1
2
LF7101
1
4
2
3
Line
Filter
LF7103
3
2
4
1
Line
Filter
3
2
1 4
IC7301
IC7201
4 6
PC7303
Photo coupler
PC7302
STBY
6
PC7301
Photo coupler
FB
4
VW
9
9,14
Q7405 Q7403
IC7401
Q7401
IC7405
DC/DC
10
1
P2
TO A02A
9
1- 5
P-BOARD
D7203
D7209
16V
16V
P6
1
4
T
O PB6
CF7104
CF7103
D7105
D7104
5VS
Photo coupler
9
K-BOARD
K10
2
3
4
5
7
1
STBY 3.3V
SUB3.3V
RM2800
VCC OUT
SN2800
AI
2
4
VCC
OUT
D2802
R
G
T
O
A10B
REMOTE
AI
G LED
R LED
SUB3.3V
AI
STBY 3.3V
STBY 3.3V
R LED
G LED
REMOTE
11
TV_SUB_ON
POWER_ON
12
10
KEY
KEY
CONTROL
SW7451
SW7452
SW7454
SW7455
SW7453
SW7457
IC7801
LED DRIVER
DC/DC
8
STB
39
FAIL
2
N
4
CS
26
CL7
PB1
4
T
O P
ANEL
4 I
N
7
Out
40
VCC
BL_SOS
BL_ON
BL_PWM3
BL_PWM4
BL_PWM6
23
PWM7
22
PWM6
19
PWM3
15
BS7
Q7804
27
CL6
3
14
BS6
Q7803
30
CL3
2
11
BS3
Q7802
33
VREF
OCP
LED7
LED5
LED3
BL_ECO
18
PWM2
31
CL2
1
10
BS2
Q7801 LED1
8
VDD
16V
PB4
6
T
O A02A
7
5
10
11
13
BL_PWM1
2
PB-BOARD
7-10
IC7802
Switching
DRIVER
4
IC7901
LED DRIVER
DC/DC
8
STB
39
FAIL
2
N
4
CS
26
CL7
PB3
4
T
O P
ANEL
4 I
N
7
Out
40
VCC
23
PWM7
22
PWM6
20
PWM4
19
PWM3
15
BS7
Q7904
27
CL6
3
14
BS6
Q7903
30
CL3
2
11
BS3
Q7902
33
VREF
OCP
LED8
LED6
LED4
18
PWM2
31
CL2
1
10
BS2
Q7901
LED2
8
VDD
7-11
IC7902
Switching
DRIVER
29
CL4
5
12
BS4
Q7905
LED9
BL_PWM2
BL_PWM5
BL_PWM7
15
14
BL_PWM8
12
8
PB6
4
1
F7600
CF7600
IC7600
3
B0
Resonant
Controller
6
STB
4
FB
10
VCC
Q7601
Q7602
15
H0
11
L0
PC7602
Photo coupler
Q7813
PC7601
Photo coupler
IC7701
BL_ON
9
VW
To
P
6
4
T7602
9
14 6
D7701
D7703
L7803
1,2 4,5
D7816
L7903
1,2 4,5,6,8,10
D7916
VLED1
VLED2
HOT
COLD
VLED1
VLED2
14
VS
T
O A16B
T
O P
ANEL
T
O P
ANEL
U1
TC-BOARD