DOWNLOAD Panasonic UF-590 / UF-790 Service Manual ↓ Size: 15 MB | Pages: 127 in PDF or view online for FREE

Model
UF-590 UF-790
Pages
127
Size
15 MB
Type
PDF
Document
Service Manual
Brand
Device
Fax / LASER
File
uf-590-uf-790.pdf
Date
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81
3.10. SNS3 PC Board
CN83
Refer to SC PC Board CN59.
CN84
SNS3 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN84-1
GND
Toner Sensor
Ground
CN84-2
TONER
Toner Sensor
Remaining Toner Level 
Signal
CN84-3
+5V
Toner Sensor
+5 VDC Power Supply
0V
Approx. +2 VDC
+5V
82
3.11. SNS4 PC Board
CN85
CN87
Refer to SC PC Board CN58.
SNS3 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN85-1
nCCHK1
SNS1 PCB
CN81-1
No Cassette Detection 
Signal
L: No Cassette
CN85-2
GND
SNS1 PCB
CN81-2
Ground
CN85-3
nRSEN
SNS1 PCB
CN81-3
Timing Sensor Detection
Signal
L: Detect
CN85-4
LDRE
SNS1 PCB
CN81-4
Timing Sensor and No
Cassette Sensor LED Drive
Current
+5V(H)
0V(L)
0V
+5V(H)
0V(L)
Approx. +2 VDC
83
3.12. SNS1 PC Board
CN80
CN81
Refer to SNS4 PC Board CN85.
3.13. SNS2 PC Board
CN82
Refer to SNS1 PC Board CN80.
3.14. CCD PC Board
CN30
Refer to SC PC Board CN7.
3.15. ILS PC Board
CN73
Refer to SC PC Board CN57.
3.16. ACI PC Board
Refer to Power Supply Unit CN101.
SNS1 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN80-1
nCCHK1
SNS2 PCB
CN82-1
No Cassette Detection 
Signal
L: No Cassette
CN80-2
GND
SNS2 PCB
CN82-2
Ground
CN80-3
LDSC1
SNS2 PCB
CN82-3
No Cassette Sensor LED
Drive Current
+5V(H)
0V(L)
0V
Approx. +1 VDC
84
3.17. CST2 PC Board (Optional)
CN70
Refer to SC PC Board CN66.
CN71
CN74
3.18. SNS2 PC Board (Optional)
CN82
Refer to CST2 PC Board CN74.
CST2 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN71-1
+24VM
Paper Feed 
Solenoid
+24 VDC Power Supply
CN70-2
nADF2
Paper Feed 
Solenoid
Paper Feed Roller Solenoid
Control Signal
CST2 PCB
Pin No.
Signal Name
Destination
Signal Waveform
Function
CN74-1
nCCHK2
SNS2 PCB
(Optional)
CN82-1
No Cassette Detection 
Signal (2nd Cassette)
L: No Cassette
CN74-2
GND
SNS2 PCB
(Optional)
CN82-2
Ground
CN74-3
SNCMN
SNS2 PCB
(Optional)
CN82-3
+2 VDC Power Supply
+24V
+24V (H)
0V (L)
ON
+5V(H)
0V(L)
0V
+2V
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