20-41
20.6 Printer/Processor DC Power Supply Unit and Circuit Boards
20
<Example 1> No +24V3 Output Due to Faulty DC Module of DC Power Supply Unit PS2
AlphaII
PWR23
Interlock
Power Output
Slot
ID
Connected to
fuse_(A)
LED
Relay
SW
fuse_(A)
LED
ID
CN_No
PS1
5
D+12V_IM
ATX23
<GMC23>
F57<2A>
(PD57)
D+12V0_IM
PWR7
F58<5A>
(PD58)
D+12V1_IM
F59<5A>
(PD59)
D+12V2_IM
4
A+24V_RS
LDD23
F51<4A>
(PD51)
A+24V1_RS
PWR6
F52<4A>
(PD82)
K201
D680-681
–
(PD52)
A+24V2_RS
A+8V_RS
F53<5A>
(PD53)
A+8V_RS
3
A+12V_RS
LDD23
GEP23
F54<4A>
(PD54)
A+12V1_RS
PWR6
F55<4A>
(PD85)
K202
D680-681
–
(PD55)
A+12V2_RS
A-12V_RS
F56<4A>
(PD56)
A-12V_RS
2
D+5V_MC
CTL23
PWR23
PDA23
PDB23
F60<2A>
(PD60)
D+5V0_MC
F61<5A>
(PD61)
D+5V1_MC
PWR8
F62<5A>
(PD62)
D+5V2_MC
+24V0
PAC23
PDA23
PDB23
F63<4A>
(PD63)
+24V01
F64<4A>
(PD64)
+24V02
K206
D724
–
(PD65)
+24V03
1
+24V1
PDB23
F66<4A>
(PD66)
+24V11
PWR9
F67<4A>
(PD67)
+24V12
+24V2
F68<4A>
(PD68)
+24V21
F69<4A>
(PD69)
+24V22
AlphaII
PWR23
Interlock
Power Output
Slot
ID
Connected to
fuse_(A)
LED
Relay
SW
fuse_(A)
LED
ID
CN_No
PS2
5
+24V3
PDB23
–
–
K207
D762
F70<4A>
(PD70)
+24V31
PWR10
F71<4A>
(PD71)
+24V32
4
+24V4
PDA23
–
–
K203
D680-681
F72<4A>
(PD72)
+24V41
PWR10
F73<4A>
(PD73)
+24V42
F74<4A>
(PD74)
+24V43
3
2
+24V5
PWR23
PAC23
PDA23
F75<2A>
(PD75)
+24V50
PWR4/5
F76<4A>
(PD76)
+24V51
PWR11
–
–
K204
D680-681
F77<4A>
(PD77)
+24V52
F78<4A>
(PD78)
+24V53
1
+24V6
PDA23
F79<4A>
(PD79)
+24V61
PWR11
–
–
K205
D680-681
F80<4A>
(PD80)
+24V62
F81<4A>
(PD81)
+24V63
(PD16)
AC
(PD2)
AC
(PD1)
AUX
(PD17)
FAN
(PD13)
DC
(PD3)
FAN
(PD7)
DC
(PD22)
main
(PD23)
sub
(PD18)
+24V3
(PD4)
D+12V
(PD24)
main
(PD25)
sub
(PD19)
+24V4
(PD8)
A+24V
(PD9)
A+8V
(PD10)
A+12V
(PD11)
A–12V
(PD20)
+24V5
(PD5)
D+5V
(PD26)
+24V13
(PD6)
+24V0
(PD27)
+24V46
(PD21)
+24V6
(PD12)
+24V1
(PD28)
A+24V
(PD14)
+24V2
(PD29)
A+8V
RS12V1
MC5V1
ON/OFF
SLOT5
PS_Fail
SLOT3
SLOT4
SLOT1
SLOT2
PS1
PS2