PDP-4280HD
63
5
6
7
8
5
6
7
8
C
D
F
A
B
E
5.3 DIAGNOSIS OF PD (POWER-DOWN)
5.3.1 BLOCK DIAGRAM OF THE POWER-DOWN SIGNAL
Block Diagram of the Power-Down Signal
SS
S
OR
ADDRESS ASSY
DIGIT
AL ASSY
PO
WER SUPPL
Y UNIT
X DRIVE ASSY
Y DRIVE ASSY
Rela
y
Control
Protection
Circuit
Module Microcomputer
PD
MUTE
Circuit
YSUS_PD
YDD_PD
YDR
V_PD
SCN5V_PD
SCAN_PD
XDR
V_PD
XDD_PD
XSUS_PD
ADR_PD
DRF_SW
DRF_SW
PD_MUTE_B
PS_PD
EXT_PD
PD_TRG_B
D21
IC3155
IC3151
D3151
to
D3155,
D3162
D3501
to
D3502
D15 to D18
D19
D20
Y1Y1
X1
AD1AD1
Note:
The figures
to
indicate the n
umber of
times the LED flashes when po
w
er-do
wn
occurs in the corresponding route
.
OR
Содержание PDP-4280HD
Страница 10: ...PDP 4280HD 10 1 2 3 4 1 2 3 4 C D F A B E 2 2 SPECIFICATIONS Dimensions ...
Страница 11: ...PDP 4280HD 11 5 6 7 8 5 6 7 8 C D F A B E 2 3 PANEL FACILITIES Front Section ...
Страница 12: ...PDP 4280HD 12 1 2 3 4 1 2 3 4 C D F A B E Rear Section ...
Страница 13: ...PDP 4280HD 13 5 6 7 8 5 6 7 8 C D F A B E Remote Control Unit ...
Страница 19: ...PDP 4280HD 19 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 20: ...PDP 4280HD 20 1 2 3 4 1 2 3 4 C D F A B E 4 BLOCK DIAGRAM 4 1 OVERALL WIRING DIAGRAM 1 2 ...
Страница 22: ...PDP 4280HD 22 1 2 3 4 1 2 3 4 C D F A B E 4 2 OVERALL WIRING DIAGRAM 2 2 ...
Страница 23: ...PDP 4280HD 23 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 35: ...PDP 4280HD 35 5 6 7 8 5 6 7 8 C D F A B E ...
Страница 168: ...PDP 4280HD 168 1 2 3 4 1 2 3 4 C D F A B E 10 6 PANEL CHASSIS SECTION ...
Страница 172: ...PDP 4280HD 172 1 2 3 4 1 2 3 4 C D F A B E 10 8 PDP SERVICE ASSY 428 Exterior Section ...
Страница 175: ...PDP 4280HD 175 5 6 7 8 5 6 7 8 C D F A B E ...