Panasonic TC17LA2 - 17" LCD COLOR TV, Service Manual

Page: 44 / 71

10.2. Power Block Diagram
PUSH
Q4035
SW001
PA601
Q621
T601
1
2
3
4
5
6 7 NC
8
9 NC
10
T691
1
2
3
4
5
6 7 NC
8
9 NC
10
JK801
V_IN
1
V_OUT
2
IC901
SUB 11V
V_IN
1
V_OUT
3
IC904
MAIN 1.8V
V_IN
1
V_OUT
6
IC902
MAIN 3.3V
V_IN
1
V_OUT
3
IC906
MAIN 2.5V
3
IC2001
AUDIO AMP
1
IC4003
VCC
OP AMP
8
IC1003
STB 3.3V
IC1002
VCC
EEPROM
8
IC4017
VCCQ
VCC
VCCQ
VCCQ
35
3 VCCQ
1
VCCQ
49
15
VCC
43
VCCQ
9
41
VCCQ
29
81
VCC
64Mbit SDRAM
VCCQ
75
VCC
55
IC1001
MCU
TEST
32
77
31 COMP
30 IREF
AVDD
VDD
7
47
PANEL ON
VOUT VIN 3
SUB 9V
2
IC903
VDDE
VDDE
VDDE
VDDE
56
45
102
VDDE
VDDE
118
VDDE
4
129
VDDE
34
20
67
VDDE
86
VDDE
149
160
138
VDDE
VDDE
VDDE
184
197
173
VDDE
VDDE
VDDE
220
231
209 VDDE
VDDE
VDDE
123
AVDPL2
VDDE
247 VDDE
245
59
AVDPL1
104
VDDI
116
VDDI
140
VDDI
VDDI
VDDI
88
78
VDDI 36
18
VDDI
116 VDDI
VDDI
140
151 VDDI
VDDI 175
207 VDDI
VDDI
215
222 VDDI
VDDI 233
VDDI 243
AVDPL3
251
GLP
IC4014
10
A9
KEYSCAN
7
9
POWER ON PULSE
STB 5V
6
REG 5V
POWER ON
8
1
UNREG 32V
18
16
17
11
19
INVERTER 14V
REG 5V
INVERTER 14V
INVERTER 14V
INVERTER 14V
5
A5
3
2
1
MAIN SW
Q4306
MAIN 2.5V
SUB 11V
MAIN 3.3V
MAIN 1.8V
4
6
A2
LED_R
LED_G
REMOTE
IC3001
VCC
AV SW
57
IC1011
VCC 8
SWITCHING
52 INV_ON
54 KEY
58
BS_ON
RESET
VCC
72
55
56
VOUT VIN 5 1
69 SOS
RESET
5
VOR 4
3
1
+
-
+
-
7
6
5
2
IC4003
OP AMP
Q4034
Q4033
PWRPWM 171
APWM 172
AI
17
INVERTER ON
18
PWM
15
16
SOS
A8
8
5
6
16
17
11
19
DP8
6
8
1
18
10
DP9
7
9
7
2
1
C1+
C1-
7
14
VCC
OUT
SWITCHING REG(+30V)
IC831
CH.UP
SW055
VOL.DN
SW054 SW056 SW053
CH.DN TV/VTR VOL.UP
SW052
Q803
Q804
ON/OFF
POWER SWITCH
IC821
AVR5V
VIN
1
ON/
OFF
5 2
VOUT
Q802
Q801
Q821
IC841
AVR 9V
VIN VOUT 5 1
3
IC674
+
-
1
2
5
6
+
-
7
+
3
5
2
+
IC673
6
-
-
7
1
7
6
IC672
+
5
-
+
-
3
2
1
5
IC671
1
+
6
7
-
-
2
3
+
Q861
6
5
4
3
IC651
OUTPUT CONTROL
SWITCHING REG
7 DTC
FB
IN-
IN+
OUT
+
3
5
2
+
IC652
6
-
-
7
1
2
+
IC653
-
1
3
9 VCC
IC651
IC652
VCC 6
IC653
VCC 6
IC674
IC672
VCC 6
IC673
VCC 9
VCC 6
IC671
VCC 6
Q862
Q622
1
2
DP1
1
2
DP2
Q611
Q612
Q613
3
1
2
DP4
DP3
6
4
5
7
BL4
2
3
1
4
BL3
7
6
5
DC IN
(+15V)
+
6
-
5 7
8
BL2
1
2
BL1
1
2
BL-BOARD
+B
+B
+9V
FEEDBACK
DRIVE+
INV 15V
DRIVE-
DP-BOARD
STB 3.3V
LED_G
REMOTE
LED_R
30V
MAIN 5V
TO LCD PANEL(BACK LIGHT)
4
3
2
1
TC-17LA2/D
Power Block Diagram TC-17LA2/D
Power Block Diagram
26