Pioneer PDP-5000EX Service Manual page 124

1
8.2.1.2 MAIN NG
SHUTDOWN information that is detected by the Main microcomputer is displayed.
A
1
5
10
B
15
16
OSD: MAIN
AUDIO ----
MODULE ----
MA-SRL
IF
C
MULTI1
IP
D-SEL
SLAVE
FPGA1
FPGA2
MA-IIC
AV-SW
RGB-SW
D
M-VDEC
S-VDEC
ADC
HDMI
MA-EEP
DVI
AUD-SW
VOLUME
MAIN ----
FAN ----
E
TEMP2 ----
POWER
M-DCDC
F
124
1
2
1 5 10 15
I N F O R M A T I O N
M A I N N G
M A I N S U
1 M A – I I C S –
2 M A – I I C M –
R
3 M A – S L F P
4 M A I N – –
5 T E M P 2 – –
6
7
8
Screen: MAIN NG
OSD: SUB
Speaker short-circuit
Abnormality in Module microcomputer communication
Abnormality in 3-wire Serial Communication of the Main microcomputer.
Communication failure of IF microcomputer
Multiprocessor communication failure (MULIT1)
Multiprocessor I/P processor communication failure
Digital selector communication failure
Communication failure between master Multiprocessor and SLAVE Multiprocessor
Communication failure between MAIN and FPGA
Communication failure between Multiprocessor and FPGA
Abnormality in Main microcomputer IIC communication
AV Switch
RGB Switch
Main VDEC
SUB VDEC
AD/PLL
HDMI
64K EEPROM
DVI receiver
Audio SW
VOLUME IC
Communication failure between IF and Main microcomputer & UNKNOWN
Fan stopped
High temperature of the unit.
Abnormality in the power
Abnormality in the ASIC power (DC-DC)
PDP-5000EX
2
3
20 25 30
V D 1 – 3 0 6 0 1 – N T V – J W
0 0 1 5 1 H 2 1 M
B
V D E C 0 0 0 3 1 H 5 0 M
0 0 0 1 3 H 0 3 M
V D E C
G A 1 0 0 0 0 2 H 5 2 M
– – – –
0 0 0 0 1 H 5 8 M
– – – – 0 0 0 0 0 H 0 7 M
Cause of Shutdown
3
4
35 40
M 7
4