Read Panasonic UB-T780 (serv.man2) Service Manual Supplement online
3
UB-T780
1.2.
Change of Section 14 “Schematic Diagrams for printing with A4 size
Pages 12 and 13 in the Section 14.2 “Control Board” of the “Schematic Diagrams for printing with A4 size” have been changed from the original.
1n
C383
100n
C385
1n
C382
100n
C384
100n
C390
1n
C389
16
10u
C387
IC318
1
CoreVcc1
2
GND1
3
D-
4
D+
5
Vbus
6
TrON
7
TEST
8
*Dack1
9
*Dreq1
10
*TC1
11
*INT1/*SOF
12
IOVcc1
13
Xout
14
Xin
15
GND2
16
CoreVcc2
17
A1
18
A2
19
A3
20
A4
21
A5
22
A6
23
D0
24
D1
D2
D3
D4
D5
D6
D7
D8/P
D9/P
D10/
D11/P
IOVc
GND
37
D12/P4
38
D13/P5
39
D14/P6
40
D15/A0
41
*HWR/*BYTE
42
*INT0
43
*RD
44
*L
WR
45
*CS
46
*RST
47
*Dreq0
48
*Dack0
GND
GND
GND
GND
GND
GND
+5V
+5V
+5V
+5V
+3.3V
USBDM2
7:6C
USBDP2
7:6C
10k
R498
0
R503
10k
R508
0
R500
1M
R506
10k
R499
10k
R507
R509
X301
1n
C386
GND
27
R501
27
R502
1.5k
R504
VBUS2
CL445
CL446
220
R505
22p
C388
22p
C391
100n
C423
GND
+5V
+5V
10k
R573
10k
R574
NOT
USED
N.C.
N.C.
NOT
USED
NOT
USED
NOT
USED
2
3
B
D
A
C
1
2
3
1
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