Panasonic UB-T780 Service Manual ▷ View online
57
UB-T780
11 Schematic Diagram
58
UB-T780
11.1. Power Board
Components identified by mark have special characteristics important for safety.
When replacing any of these components, use only manufacture`s specified parts.
Important Safety Notice
2
3
B
D
A
C
5
4
Z101
L101
1
2
4
3
0.1uF
C101
AC250V
TH101
2200p
C104
2200pF
C105
1M
R101
1k
4.7n
C103
100k
R102
D102
2.2
R103
50V
10uF
C106
390k
R104
50V
2200pF
C107
50
0.1uF
C108
GND
PC101
1
2
3
4
15k
R105
470
R201
2.2k
R202
50
100n
C204
4.7k
R203
GND
3kV
4700pF
C109
50
100n
C203
1k 220p
C206
10
R207
T101
1
4
6
8
3
5
IC101
VDD
1
FB
2
CL
3
VCC
4
D
5
S1
7
S2
8
D103
D201
+
-
D101
1
2
3
4
CN101
1
2
HL101
HL102
XX101
XX102
IC201
A
2
REF
1
K
3
CN201
1
2
3
4
5
6
10u
L201
10V
1000
C201
10V
1000
C202
10V
1000
C205
D203
10k
R206
10k
R205
2.5A
250V
F101
J101
T3A206=25A
J201
T3A206=15A
450V
22uF
C102
SA101
+5V
GND
L
N
1/1
UB-T780
Power Board
1
6
2
3
5
4
1
6
B
D
A
C
59
UB-T780
11.2. Control Board
4p
C331
2p
C308
100n
C301
1n
C300
180p
C320
100n
C330
100n
C312
100n
C326
180p
C318
100n
C324
50
3.9n
C310
100n
C316
50
47n
C305
3.9n
C328
4p
C332
100n
C325
2p
C314
180p
C322
100n
C31
1
100n
C323
3.9n
C327
2p
C313
2p
C307
100n
C302
100n
C329
100n
C315
180p
C321
180p
C319
180p
C317
50
47n
C306
50
3.9n
C309
2
3
B
D
A
C
5
4
+
-
IC300
5
6
7
+
-
IC305
3
2
1
+
-
IC306
5
6
7
+
-
IC304
3
2
1
+
-
IC301
5
6
7
+
-
IC300
3
2
1
IC302
VB
1
NC1
2
H1
3
L1
4
W1
5
*RST
6
CLK
7
GND
8
DQ
9
COUT
10
L0
11
H0
12
W0
13
SOUT
14
NC2
15
VCC
16
IC303
VB
1
NC1
2
H1
3
L1
4
W1
5
*RST
6
CLK
7
GND
8
DQ
9
COUT
10
L0
11
H0
12
W0
13
SOUT
14
NC2
15
VCC
16
IC300
GND
4
V+
8
IC305
GND
4
VCC+
8
IC306
GND
4
VCC+
8
IC301
V-
4
V+
8
IC304
V-
4
V+
8
CN300
GND
1
SONIC_L
2
GND
3
+5V
4
GND
5
SONIC_R
6
GND
7
+5V
8
GND
9
LED
10
+5V
11
RTH
12
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
*PTRSTL
1:6C
PTDQR
1:6C
PTDQL
1:6C
PTCLKR
1:6C
*PTRSTR
1:6C
PTCLKL
1:6C
USR
1:6A
RTH
1:6A
LED
1:6A
USL
1:6A
Q301
Q300
Q303
Q302
5.6k
R317
4.7k
R325
100k
R333
4.7k
R331
4.7k
R301
1k
R309
10k
R315
5.6k
R319
4.7k
R300
1k
R307
10k
R313
4.7k
R330
10k
R328
4.7k
R324
1k
R304
1k
R305
4.7k
R320
10k
R311
2.2k
R323
10k
R314
1k
R306
10k
R312
1k
R308
5.6k
R316
5.6k
R318
4.7k
R302
10k
R310
100k
R332
10k
R327
2.2k
R322
10k
R329
4.7k
R321
10k
R326
TP1
TP2
1.5k
R303
GND
TPG
100n
C303
10
100u
C304
+
-
IC301
3
2
1
+
-
IC304
5
6
7
+
-
IC305
5
6
7
+
-
IC306
3
2
1
L307
CL306
CL307
CL308
CL309
CL310
CL311
CL312
CL313
CL314
CL315
CL316
CL317
CL318
CL319
CL320 CL321
CL322
CL323
CL324
CL325
CL326
CL327
CL328
CL329
CL330
CL331
CL332
CL333
CL334
CL335
CL336
CL337
CL338
CL339
CL340
CL341
CL342
CL343
CL344
CL345
CL346
CL347
CL348
CL349
N.C.
N.C.
N.C.
N.C.
1
1/7
UB-T780
Control Board
Control Board
6
2
3
5
4
1
6
B
D
A
C
60
UB-T780
100n
C339
100n
C338
100n
C340
100n
C335
100n
C337
100n
C336
100n
C333
100n
C334
2
3
B
D
A
C
5
4
+
-
IC308
11
10
13
+
-
IC308
9
8
14
+
-
IC307
9
8
14
+
-
IC308
5
4
2
+
-
IC308
7
6
1
+
-
IC307
7
6
1
+
-
IC307
5
4
2
+
-
IC307
11
10
13
IC308
VCC-
12
VCC+
3
IC307
VCC-
12
VCC+
3
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
+5VA
+5VA
+5VA
+5VA
1:6C
USR
1:6C
USL
3VSR
1:6A
2VSL
1:6A
2VSR
1:6A
3VSL
1:6A
ZECR
1:6A
ZECL
1:6A
1.8k
R336
1.8k
R340
1.2k
R334
1.2k
R335
1.2k
R338
1.2k
R339
680
R341
680
R337
CL350
CL351
CL352
CL353
CL354
CL355
CL356
CL357
CL358
CL359
CL360
CL361
CL362
CL363
N.C.
N.C.
2/7
B
D
A
C
1
6
2
3
5
4
1
6
UB-T780
Control Board
Control Board
Click on the first or last page to see other UB-T780 service manuals if exist.