Panasonic TX-22LX2, Руководство по обслуживанию

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11.3. Power Block Diagram
LED
D205
PANEL VCC
MAIN_5V
PANEL VCC
PANEL VCC
PANEL VCC
MAIN POW
OVP
PANEL HS
AI_PWM
INVPOW
PWM
LED
PANEL VCC
PANEL VCC
MAIN_5V
STB_5V
MAIN_3.3V
STB_3.3V
MAIN_3.3V
MAIN_1.8V
MAIN_9V
MAIN_1.8V
47
42
48
49
44
2
3
DG1
14
38
16
37
17
40
19
34
11
35
13
32
31
28
29
27
24
23
25
19
4
6
7
9
A1
1
5
VCC
SAD2
STB3.3V
24
VCC
14
VCC
Q_LINK SW
IC1105
IC4001
59
VDD
VDD
2
VDD
VDD
82
VDD
VDD
OE
21
61
VDD
11
85
VDD
VDD
OSD RGB A/D
68
72
53
90
VDD
XTST
XSM
92
89
35
AVDAD4
105
AVDAD1
AVDAD2
AVDAD3
116
49
AD 3.3V
CONT
4
IC4004
IN
1
OUT
5
4
AD 3.3V
1
5
IC4005
IN
OUT
CONT
35
AVDAD4
105
AVDAD1
AVDAD2
AVDAD3
116
49
XTST
68
VDD
72
11
VDD
53
59
OE
VDD
XSM
90
2
89
82
61
92
VDD
VDD
VDD
VDD
VDD
VDD
VDD
21
85
SCART RGB A/D
VDD
5
IC4024
IC1109
IC9000
IC4002
D6
D11
D12
H4
M4
N4
W4
V4
AC5
AC6
AC7
AC11
AC12
AC13
Y4
D22
F23
G23
J23
K23
L23
P23
R23
T23
V23
W23
AB23
AC17
AC18
AC19
AC23
H5
AB12
V5
AB13
E22
H22
E8
J22
M22
N22
T22
U22
G5
AB16
AB17
AB21
AB22
U5
E7
AB6
M5
AB7
D21
AE14
C18
D18
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
VDDI
LCDMODE
PLL3_AVD
PLL2_AVD1
PLL2-AVD2
GC3I
IC4003
IC4020
AVR 1.8V
IC4021
PLL 3.3V
IC4030
MAIN 2.5V
IC4012
AD 2.5V
IC4011
PLL 2.5V
4
5
1
4
5
1
4
5
1
4
5
1
4
5
1
VIN
CONT
VO
VIN
CONT
VO
VIN
CONT
VO
VIN
CONT
VO
VIN
CONT
VO
113
VDDE
1
32
VDDE
23
105
VDDE
90
VDDE
VDDE
VDDE
VDDE
12
VDDE
VDDE
134
AVDDA2
AVDDA1
VDDI
30
VDDI
71
114
21
VDDI
VDDI
88
66
VDDI
VDDI
VDDI
123
75
10
VDDI 135
45
AVDAD31
52
40
58
47
VAVDCLP
54
38
84
AVDPL1
AVDPL2
79
GC3FM
IC4017
73
AVDAD32
AVDAD21
AVDAD22
AVDAD11
AVDAD12
MAIN 5V
41
43
3
15
29
VCC
81
1
75
49
35
VCC
VCCQ
VCC
VCC
9
55
VCCQ
VCCQ
VCCQ
VCCQ
VCCQ
VCCQ
VCCQ
IC4022
64Mbit SDRAM
VCC
VCCQ
41
VCCQ
VCCQ
29
VCCQ
64Mbit SDRAM
3
VCC
9
VCC
VCCQ
VCCQ
81
15
VCCQ
1
55
75
49
35
VCCQ
IC4023
VCC
43
1
34
26
VCC
VDS_VCC
RS
44
9
LVDS
IC4025
VCC
PLL_VCC
MAIN 3.3V
STB3.3V
IC1107
EEPROM
VCC
8
IC1108
RESET
VDD
2
42
14
VDD33-1
106
69
85
61
32
53
VDD25-1
123
119
111
87
21
116
93
80
MCU
IC1104
VIN
CONT
VO
1
2
3
IC9001
STB 2.5V
5
INVERTER
IC1111
VCC
VDD33-2
VDD33-3
VDD33-4
VDD33-5
VDD33-6
VDD33-7
VDD33-8
VDD25-2
VDDA-1
VDDA-2
VDDA-3
VDDD-4
16Mbit FLASH
IC1115
VCC
47
37
SYTE
VCC
IC1114
64Mbit SDRAM
IC1113
DG-BOARD
VCC
31
32
VCC
IC3001
IN 1
IC803
3
AVR 8V
OUT
49
31
STANDBYQ
10
AHVSUP
63
AVSUP
DVSUP
MSP
IC2501
HP AMP
IC2200
SP AMP
IC2100
1
9
7
A8
5
9
7
B1
5 13
7
9
B-BOARD
5V
30V
5V
V SUPPLY
BTL
BV
TU101
TUNER
9
14
27
49
43
1
3
14
OR GATE
D23
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
VDDE
SERIAL DATA BUFFER
VCC
SOS
LED R
TO A1
TO DG1
4
VCC 8
IC4101
8 VCC
OP AMP
IC4029
45
PANEL 5V
81
91
INV ON
MAIN ON
V-BOARD
A5
4
V1
5
STBY 3.3V
LED R 5
4
Q201
VDD
VDDQ
VDDQ
VDD
VDD
VDDQ
VDDQ
P/SW
6
VCC
1
MSP 5V
VIN VO
1
IC806
3
IC807
3 1
VO
TNR 5V
VIN
IC804
2 1
VOUT
MAIN 3.3V
VIN
5
ON/OFF
1 2
VOUT
ON/OFF
VIN
5
IC801
1 2
SW OUT
ON/OFF
MAIN 12V
VIN
5
MAIN 9V
ON/OFF
5
VIN
2
IC802
SW OUT
1
Q801
Q800
Q808 Q807
LCD BL0
A24
LCD BL2
AA4
W24
HSOE Q4094,Q4095 Q4089,Q4088
IC4014
1 2 3
+-
6 5 7
Q4077
Q4081
20
22
26
27
28
32
23
24
5
6
13
A3
2
3
21
22
23
24
10
20
STB_5V
REG_5V
REG_5V
REG_5V
REG_5V
UNREG_32V
POWER ON
INVERTER_15V
INVERTER_15V
INVERTER_15V
INVERTER_15V
INVERTER_15V
4
5
6
7
A10
1
2
16
17
18
8
4
INV_VCC
INV_VCC
INV_VCC
INV_VCC
INV_VCC
INV_VCC
INV_ON
INV_VCC
PANEL HS
DUTY PWM
AI PWM
3
Q803
Q802
A-BOARD
MAIN_9V
MAIN_9V
MAIN_5V
MAIN_5V
STB_5V
MAIN_3.3V
STB_3.3V
MAIN_3.3V
MAIN_1.8V
MAIN_9V
MAIN_1.8V
INV ON
MAIN POW
OVP
PANEL HS
AI_PWM
PWM
LED
MAIN 1.8V
IC805
STAND BY
POWER
UNIT
SUPPLY
BACK LIGHT
INVERTER
(LCD PANEL)
MAIN POW
INV ON
DUTY PWM
AI PUM
PANEL HS
PANEL HS
AI PWM
INV ON
DUTY PWM
LED
MAIN POW
LED
INV_POW
MAIN POW
OVP
MAIN 3.3V
MAIN 5V
INV_POW
OVP
LED
MAIN POW
AV SELECTOR
CLOCK
BUFFER
OP AMP
TX-22LX2
Power Block Diagram TX-22LX2
Power Block Diagram
TX-22LX2
33