Detailed Block Diagram (1/2) - Panasonic TC-L32C3 Service Manual

TC-L32C3
9.2.

Detailed Block Diagram (1/2)

P POWER SUPPLY
Q7301
VCC
IC7201
FB
Q7201
OUT
PFC CONTROL
D7102
T7201 IC7301
Q7305
RECTIFIER VH
PWM CONTROL
CF7101
LF7102 NOISE
FILTER
LF7103
F7001
L N
P1
1 4
AC CORD
K CONTROL PANEL
CH
V/ CH
+/ VOL
OPERATION KEYS
-/ VOL
MENU
INPUT/OK
POWER BUTTON POWER
H O T HOT C O L D COLD
PC7302
D7507
Q7501
T7301
D7503
Q7503
OUT
Q7504
D7506 PA7551
VCC
FB
IC7501
PC7301
STB
PHOTO
ERROR
COUPLER
DET
PC7303
AC ERROR DET
PHOTO
COUPLER
IC7801
BACK LIGHT CONTROL
VCC
T7801
INV_PWM
INV_ON
N1
INV_SOS
N2
FB
COMPSD COMP
T7802
Q7801,02
Q7803,04
T7803
CCFL
INVETER
CIRCUIT
T7804
P6 P5 P8 P7
1 2 1 2 1 2 1 2
BACKLIGHT
LCD
DRIVER
LCD PANEL
MAIN
A
A04
K02
KEY1 KEY1
1 2
KEY3 KEY3
3 4
A03
P2 Q4770
RELAY
9 8
SUB_ON SUB_ON
8 9
F16V
+16V
4 13
+16V
12
5
+16V
6 11
STB5V
STB5V
2 15
INV_PWM INV_PWM
14 3
INV_ON
INV_ON
13 4
INV_SOS
INV_SOS
12 5
PA4150
PANEL_VCC_ON
AVDD_ENB
A22 VOFF2-6V
VOFF2-6V
6
VCON31V
7
11
+2.5V
12
49
AVDD12.6V
52
LVDS DATA 17
36
24KEC_IIC1
SDA
3
IC4120
SCL
MCU_IIC
2
38 DAC_ENB
VREF
GAMMA
48 DAC
32
IC4150
TCON DCDC
MCU_IIC AVDD12.6V
IIC TCON SOS
12.6V
2.5V
D4174 D4175
VCON31V
Q4150
D5672
D7673
LEVEL
SHIFT
D7674
Q4151,52
D4170 D4171
-6V
GENE.
1
2
3
4
5