Panasonic TH-50PE8U Service Manual page 56

11.20. A-Board (12/15) Schematic Diagram
! A-BOARD TNPH0716AKS (12/15)
PANEL_MAIN_ON
PANEL_MAIN_ON
SOS4_PS
SOS4_PS
VDATA_DET
VDATA_DET
TO
SC-BOARD
P5V
(SC20)
A20
C9840 C9832
25V 10V
10u
0.01u
P5V
1
OC1
2
CPH2
3
GND
4 SC_OC1
CLK SC_CPH2
5
SC_CLK
SIU
6
SC_SIU
GND SC_SID
7
SC_SCSU
SID
8 SC_OC2
SCSU SC_CPH1
9
GND R9848
10
EXB2HV470JV
OC2
11
CPH1
12
GND
13
LAT
14 R9110
100
SOS6_SC1
SOS6_SC1
15
SOS7_SC2
SOS7_SC2
16
R9142
100
GND
17
CEL
18
SC_LAT
CERS SC_CEL
19
SC_CBK
20 SC_DRV_RST
GND SC_CSL
21
SC_CSH
CSL
22 SC_CML
CSH SC_CMH
23
GND R9849
24
EXB2HV470JV
CML
25
CMH
26
NC
27
+15V
28
P15V_MOTO
+15V
29 PA9900
K5H5022A0023
+15V
30
C9859 C9858
25V 25V
0.01u 10u
TH-50PE8U
A-Board (12/15) Schematic Diagram
100 101
1
C9880
2
25V
8200p
R9890 3
47.5k
4
R9891 C9877
12.7k 50V 5
68p
6
R9886
7
47k
R9888
15k
8
9
R9878
R9887 15k
10
51k
11
R9889
12
18.2k
C9888
R9879 C9879
50V 13
13k
360p
16V
0.015u
14
15
C9878
25V
0.01u
SC_OC1
Y8
11 GND 10
SC_CPH2 FP_OC1
Y7
12 A8 9
SC_CLK FP_CPH2
Y6
13 A7 8
SC_SIU Y5 FP_CLK
A6
14 7
SC_SID FP_SIU
Y4
A5
15 6
SC_SCSU FP_SID
Y3
16 A4 5
SC_OC2 FP_SCSU
Y2
17 A3 4
SC_CPH1 FP_OC2
Y1
18 A2 3
P5V
G2 FP_CPH1
A1
19 2
Vcc
G1
C9841 20 1
16V
0.1u
SC_LAT
Y8
GND
11 10
SC_CEL FP_LAT
Y7
A8
12 9
SC_CBK FP_CEL
Y6
A7
13 8
SC_DRV_RST FP_CBK
Y5
14 A6 7
SC_CSL FP_SC_DRV_RST
Y4
15 A5 6
SC_CSH FP_CSL
Y3
16 A4 5
SC_CML Y2 FP_CSH
A3
17 4
SC_CMH FP_CML
Y1
A2
18 3
P5V
FP_CMH
G2
19 A1 2
Vcc
20 G1 1
C9842
16V
0.1u
102 103
P15V
P
C9867 C9870
R9856
25V 25V
10u VJUMP2012-P
10u
R9895
100k
C9861
30 C9885 25V
RT OVP 0.1u
50V
1000p
29
CS1 CUVP
P3.3V
28 L9800
VO1 PGOOD
G1C2R2Z00007
27 P
FB1 CB1
R9851
C9865
26 VJUMP2012-P
REFIN1 OUT1-1 4V
68u
25 Q9807
ILIM1 LX1
B1MBDDA00003
24
-INC1 OUT1-2
23 C9886
-INC2 VCC
25V
0.1u
22
ILIM2 PGND
21
FSW VB
C9873 P1.2V
4V
20
FB2 OUT2-2 68u
19
VO2 LX2
L9801 P
18 G1C1R5Z00006 R9852
CS2 OUT2-1 VJUMP2012-P
17
GND CB2
16
VREF CTL
Q9808
C9862 B1MBDDA00015
25V
0.1u
C9860
6.3V
4.7u
C9868 C9871
25V 25V
10u 10u
C9874
50V
68p C9869
25V
10u
1 24
GND FB
C9881 2 23
REFIN VO
25V
0.01u
3 22
VREF RT C9864
25V
VB1_5V
4 21 0.1u
CS CB
C9882
25V 8200p 5 20
COVP OUT-1
C9883
50V 100p
R9892 6 19
CUVP LX
100k C9884
50V
1000p 7 18
PGOOD VBIN
C9887
8 17 25V
CTL VCC
0.1u
VB1_5V
9 16
LSAT VB
R9893
VB1_5V
43k 10 15
ILIM OUT-2
P15V
R9868
100k R9894 11 14
+INC PGND
20k
12 13
Q9805 -INC FSW
2SD0601A0L C9863
6.3V
4.7u
P3.3V P15V
D9808 R9871
B0JCCE000008 10k
D9807 R9869
B0JCCE000008 10k Q9806
2SD0601A0L
R9870
10k
104 105
56
STB3.3V ON/OFF
IC9011
C0EBF0000431
RESET
STB5V STB 3.3V
STB_D3.3V
VDD
4 VOUT 3 P
C9033 C9036 C9034 C9035 R9153
R9127
16V 10V 16V 10V VJUMP2012-P
68k
0.1u 10u 0.1u 10u
GND
5 Cd 2
C9037
25V
0.01u
R9134 CE
33k RESET
6 1
STB_D3.3V
R9141
100 Q9046
R9828 2SD0601A0L
47k Q9044 R9121
100k
2SD0601A0L
R9129
47k
STBY3.3V_ON
P15V
P
C9872 R9855
VJUMP2012-P
25V
10u
1 8
P2.5V
L9802
2 7
G1C2R2Z00007
3 6
P
R9853
4 5 VJUMP2012-P
C9866
4V
Q9809 68u
B1MBDDA00003
IC9806
C0DBAYY00273
DC-DC CONVERTER
15V->2.5V
15V->1.5V
TH-50PE8U
A-Board (12/15) Schematic Diagram
106 107
31
32
33
34
35
108