3 - 12
2.3 i950 Connector Location and Pin Layout
2.3.1 Logic board
Figure 3-7 Logic Board
JCR1 (Carriage ribbon cable connector)
Pin No.
Signal Name
Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
AD_TH
CRENCA
EVDD
CRENCB
GND
SE_CDREF
GND
HCLK
GND
DATAK
DHE
HEEP_SK
BG
DATALC
HEEP_CS
TSOCLC
HECX
DATAC
HELCX
HEKX
Not used
Encoder signal phase A
Sensor power supply
Encoder signal phase B
GND
CDR sensor signal
GND
Head transfer clock
GND
K data
Dummy heater enable
Head EEPROM clock
Transfer clock clutch signal
LC data
Head EEPROM chip select
C, LC status output
C heat enable
C data
LC heat enable
K heat enable
JCR2 (Carriage ribbon cable connector)
Pin No.
Signal Name
Function
1 - 6
7
8
9
10
11
12 - 14
15 - 20
GND
DATALM
TSOKY
DATAY
HDSEN
HEEP_DI
HVDD
VH
GND
LM data
K, Y status output
Y data
Head sensor signal
Head EEPROM data
Head power supply
JPGS1 JCRM
JPOW1
JASFS1
JCR2
JCR3
JCR1
JASFM1
JPGM1
JLFENC1
JINK1
JUSB1
JUSB2
Summary of Contents for i550
Page 5: ...3DUW Maintenance ...
Page 17: ...1 12 1 i850 Test print sample Figure 1 6 Service Test Print Sample i850 ...
Page 18: ...1 13 1 i950 Test print sample Figure 1 7 Service Test Print Sample i950 ...
Page 21: ...3DUW Technical Reference ...
Page 28: ...3DUW Appendix ...
Page 46: ...3 18 121 1 ...
