Read Panasonic TX-LR32E5 Service Manual online
TX-LR32E5
27
9.2.
Detailed Block Diagram (1/2)
H O T
C O LD
H O T
C O LD
KEY1
BL_ON
KEY3
SUB_ON
BL_SOS
BL_PWM
SOS_SENSE
AVDD_ENB
5.8VS
**
D5187
P15V
USB5V
SUB5V
D5172
P15V
P15V
SUB3.3V
D7506
D7502
D5188
D5179
D7507
F7101
D5178
D5173
5.8VS
PA7501
SW7401
+12.6V
SUB3.3V
D4116
VON31V
AVDD12.6V
PA4153
D4155
D4123
D4124
VOFF2-6V
D7102
1
3
3
ANODE2
6
LED DRIVE
4
SUB5V
ANODE1
BL_SOS
OVP
IC5440
3
5
5
IC5420
BL_ON
+5V
9
SUB3.3V
Q7502
IC7301,
Q7301,
7
1
6
RECTIFIER
USB5V
LF7103,4
4
2
AC CORD
15
LINE
FILTER
POWER
CF7102
8
KEY3(POWER ON)
KEY1
P2
1
DCDCEN
1
3
SUB_ON
6
P
10
9
1
4
+5V
2
A02
PWM
CONVERTER
2
7
P4
5.8VS
MAIN
11
A
JK7102
5
13
+3.3V
AC
DETECT
IC5400
2
T7301
LCD PANEL
5
+16V
+16V
+16V
8
Q7504
LED
DRIVER
LED1
LED2
LED3
LED4
BL_PWM
0
1
3
1
IC7800
POWER SW
SW7402-7406
CONTROL PANEL KEY
CONTROL PANEL KEY
38
VON31V
58
59
IIC LCD
LVDS DATA
53
A16
49
21
IC4301
57
DAC
55
LCD
CONTROL
CIRCUIT
38
10
VON31V
13
LVDS DATA
53
A15
49
21
57
55
10
13
46
5
VREF 1-6
46
5
VREF 8-12
+2.5V
VREF 1-6
16
47
VREF 8-12
AVD0_12.6V
VOFF2-6V
16
AVD0_12.6V
+2.5V
47
VOFF2-6V
IC4101
IIC_0
LEVEL
SHIFT
SOS
Q4102
T-CON DCDC
IIC TCON
Q4103,04
-6V
GENE.
OVP
IC7501
PHOTO
COUPLER
PC7303
PHOTO
COUPLER
ERROR
DETCT
PC7302
HOT
COLD
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