Pioneer PDP-5050SX Service Manual page 105

5
4. PD
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
1
I N F O R M A T I O N
2
3
P D
4
F I R S T
5
6
1 X - D R V
7
2 Y - S U S
8
3 S C A N
9
10 4 Y - D C C D
5 S C N - 5
11
6 A D R S
12
7
13
8
14
15
16
Power-down information only on the panel side is displayed.
• Power-down information
No. Type of Power-down
1 No corresponding item
Power-down of the main power supply
2
system
3 Power-down of the scanning system
Power-down in the path between the
4
scanning system and 5-V power supply
5 Power-down of the Y-Drive system
6 Power-down of the Y-DC/DC converter
7 Power-down of the Y-SUS system
5. SD1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
1
I N F O R M A T I O N
2
3
S D 1
4
M A I N
5
6
1 A U D I O
7
8 2 M D - I I
3 T E M P 1
9
4
10
5
11
6
12
7
13
8
14
15
16
The shutdown log only on the panel side is displayed.
• Shutdown (1) information
No. Type of Shutdown
1 Abnormality in IC 4 communication
Abnormality in module microcomputer IIC
2
communication
Abnormality in RST2
3
4 Abnormality in panel temperature (TEMP1)
5 Short-circuiting of the speakers
• DATA on MD-IIC subcategories
OSD Defective Communication Part
EROM4K IC5201: Module microcomputer EEPROM
EROM2K IC7405: EEPROM for backup
IC3502: VOLUME IC
VOLIC
5
6
V D 1 – 1 3 1 – N T V – A T O
S E C O N D 0 0 5 2 3 H 6 0 M
P OWE R 0 0 5 2 3 H 5 1 M
Y – D C D C 0 0 2 7 5 H 4 2 M
- - - - - 0 0 0 9 0 H 5 0 M
P OWE R 0 0 0 4 3 H 0 3 M
V P OWE R 0 0 0 0 2 H 3 1 M
- - - - - 0 0 0 0 0 H 0 7 M
On-Screen Display No.
- - - - -
POWER
SCAN
SCN-5V
Y-DRV
Y-DCDC
Y-SUS
V D 1 – 1 3 1 – N T V – A T O
S U B 0 0 1 0 3 H 5 7 M
- - - - - 0 0 1 0 3 H 5 1 M
C V O L I C 0 0 0 7 5 H 4 2 M
- - - - - 0 0 0 5 0 H 5 0 M
On-Screen Display
(MAIN)
TEMP1
6
7
H M
H M
Type of Power-down
8 Power-down of the address system
9 Power-down of the X-DRIVE circuitry
A Power-down of the X-DC/DC converter
B Power-down of the X-SUS system
Power-down of the driving IC power
C
supply system
D Power-down of the driving stopped
Power-down point unidentified
F
H M
H M
H M
H M
H M
IC4
Subcategories exist.
[EEPROM (4K) : IC5206,
MD-IIC
Backup EEPROM (2K) : IC7405, VOL IC : IC3502]
RST2
AUDIO
PDP-5050SX
7
8
On-Screen Display
ADRS
X-DRV
X-DCDC
X-SUS
D-DCDC
IC4 (IC5401)
UNKNOWN
Remarks
8
A
B
C
D
E
F
105