Mainframe Assembly, Wiring Diagram - HP 7925D Service Manual

7925 Troubleshooting
!
I
I 11 12 13
14 15 18 19
+5V
P/OA12P1
P/OA12J1
MainframeAssembly 4-39
1/0 Conlrol Syslem 4-41
SpindleRolalionSyslem 4-43
HeadPosilioningSyslem.. ..4-45
SeclorSensingSyslem .4-47
Read/WrileSyslem 4-49
FaultDeleclionSyslem 4-51
IFAULTI;D;;'~1;-
- - - - -
--1
1 •
PACK CHAMBER
INTERLOCK
/ B
/
I
P/OA12P1 P/OA12Jl
LF~8_+__M_HF-L------_+_-------:.M:.:.:..H:.;...FL=_t~7
+5V
- 9 9 J - - - - -
, - , 6
5
' :::~
,
:::~ :
I :
:~
' I ' :: ...........
;-::---..1
WAFL WAFL 5
I
5 +5V
:~::=::;O:RF-=F:....::LL=============:=============:::=:~:
:.1 : ::
,:::1-
_ = : : . : : . . : . : : ~ : . . . . - . _ =~-_ = ~ - " : I
'-'~2-+-...:..:IL--FL=---------'--1 ~I_LF_L
....... 2 2 15
·,6
~+_5V
_ _...... 1
1 AGFL AGFL I
~ .~~
L ~
A4J2
+5V
~~)
~~)
t5V 11
~--{
~~
~~
~~
~R
~~
TO XMP2-6
5.62V
I • • I L --.J
MOTHERBOARD PCA-A7
REFER TO MOTHERBOARD PCA-A7 SIGNAL DISTRIBUTION TABLE
9 9
5 5
6
1
6
8 1 8
I
J IJ
2222
PIO PIO
A7P1 A7J1
GND
DOOR
LOCKED
SWITCH·S6
NC
DOOR
CLOSED
SWITCH·S7
NC
P/O P/o
P11 J11
91
~-------+--- ...,__"...",...--------:FTI[~L:.:..:TL:.......t
T T
~.~
:
SELL
93
} - - - - - - - - f - - - - - - - - - - - - - - - - - 1
7 7
913
9 2 4 > - - - - - - - - - + - - - - - 1
957}- -f- ---:SfOl5"::.:T..::.:0~
i5Ri5YL R R
947 } - -f- ......:.:.:RU~N:........t C C
912 }-- -+_ _......---::...,..,..........,..,.... ..::::...D:::..;L.~P...:.:IP___I H H
902 } - -f- ~U~S.!._1 ~_(902
916 } - -f- --=u:.::::SO~__{g16
948 } -
-f-
~U~S2~+_«948
DL. PIP
uS2
LIS1
US0
I
8
1
8
6 6
9
I
9
717
3 3 DU
SfF
10 10
11 11
'5 1 '5
1
' " I' s
1
I
'6
1
'6
1717
P/D P/O
A11Jl AllPl
I
1
L _
GND ,A11W1
+5V
GND
+12~
946
~.
STQiiIA11W3'
948
~
I
I
RUNISTOP SWITCIj-S2
F!ACK- -,
I
DETECTOR
I ~ I
I
--r
I
L _ _ -J
+5V
J J
DID
5 5
4 4
•
ENCB
13 13 J - - - - - - { 9 0 1 ) - - - - - - - ,
N N ENCA 905 } -_ _- - ,
T T ........ 1 .. CI.... 7
_ - - - - - - - - - - - - - - - - - <
92 r -_ _.........- ----:.: IC ::.:.17~ A A
'AS ---(~ AS 3 3
L L a---: S :.;...PU=___ -<904r- --=$:.;..P~U PIP
11 11 !---'S__ PD --(9Q8 SP5 E I E
M:
M ........,.:.T...:..CC=___ --{934}- . ·
--.:..T.=..CC~
S S
I
OPERA~-; IFORMA;:W~--
-:J
CONTROL 0 P/O. PIO
; PANEL FORMAT[!] J1,. P11
P/olp/O
P11 J11
10 10 t-- E,-IL2 _ _ -<
9 9 .--E_IL_'- - - { 966
I
E
I
E
____--.:J
I
SP'NDLE-L~G1C
PCA-AS - - ,
~~~ ~ ~
A8P1
~
A8J1 A8J1 A8P1
+12V
-12V
GND
GND
+5V
GNO
+12V
t--
scs _- _ _
--< 938 r -_ _ SC_S---I F F
t-- S _ cs
_ + _ _--< 937 }--_-=S.=.:CS:....-.+--I H H
I----'IC....,0 . .... 9_ _ --<'8 >--_ _ IC_18~16 16
I----P~Ij..;.,.1 + _ _--{ 94
PH1 + 15 15
I---- P ..;...H:...:..,.1- _ _--{ 95 >--__...:..P.:..;.H1...:..--I S S
.....-P_H2_+_ _
--<
96
>-_ _ PH_2_+ ~ 14 1
'4
PH2- PH2-
I
:=~=~-,-~=====:::, ~ ~ - - - - - - - ~ = ~ - - , - + : ~ 8 ~
I
~ 8 :
. . - . . . - - - - - < 918 } - - - - - - I
!----""N2=L=-2_ _--<,923>----...:..C=L=..2--I U
I
U
t--S_PE_N~_--<
928 ) - -__
...:..SP...:..EN~
R
I
R
SPS SPS
J - - - - - - - { 9 3 5 } - - - - - - - 1 7 7
1
6
I
5
I
I
10
11
I
361
15
16
46
33
18
I
171
13
I
24
1
48
PIO P/O
A9J1 A7P1
- 24V (REGULATED)
+ 5V (REGULATED)
-12V (REGULATED)
TEMPERATURE
SWITCH
A9S1
+5VRS
+36V
-36V
MF1
1A
(SEE NOTE 8)
J---------------I~ +12V (REGULATED)
LINEAR MOTOR
GROUND
LOGIC GROUND (NOTE 6)
}
SPINDLE MOTOR
GROUND
A9J5
I
POWER::;;';;;;;G-;;':;:TOR PCA-A.
I
2 2
I
I
·1·
51 5
SMPH2
SMPH1
GNDI
PIO J2P/O P1
> - - -.. ---+-~~
0 - - - - 1 - - - - - ( 97 >--_ _ +.::,:20;...:..V_--1 6 6 t - - - - -....... - - I
A9P4 A9J4
SPINDLE
MOTOR
(NOTE 5)
.-.--+-----+---0'\
0-=::....:....---1-----( 92 ; . -_ _ +_'0_V_--4 1 '1
t - - - - - - - - - - - - - - _ e......
---i...--i
r-------
I
DOOR J----i...----...--( 945
I
UNLOCK
L OLENOID
ASSEMBLY
-------
I:'~G~--==-----j---~~
I
LATCH
1
SOLENOID
L:M~L~
_
I
I
>.---_.--+-+----+--0\0..=-.:.----1----....( ,96 }--_ _
+~3(3_V_--oI
T
I
94
)...----~3QV
----I
71 7
.---------+--+---4----{ 90 )--_~Q'_.:.:ND::.:2=___--1 8 8
BLOWER MOTOR
STARTING
CAPACITOR
I r~~~~y--------------------~--I
L-_...J
T1 1.5A
TB1 o---~---...( '93 } - - - - - - -
1
'THIS POINT IS NOT AT ZERO POTENTIAL
WITH RESPECT TO THE CABINET. THIS
POINT IS AT ZERO POTENTIAL WITH
RESPECT TO WIRE 928 (TB1-1).
2110-0383
2110-0365
2110-0383
2110-0383
2110-0383
2110-0043
2110-0043
2110-0516
2110-0513
2110-0098
2110-0098
2110-0098
HP PART NO.
DESCRIPTION
8A, 250V, slo-blo
4A, 250V, slo-blo
8A, 250V, slo-blo
8A, 250V, slo-blo
8A, 250V, slo-blo
1.5A, 250V, fast-blo
1.5A, 250V, fast-blo
1A,125V, fast-blo
O.125A, 125V, fast-blo
20A, 125V, medium-blo
20A, 125V, medium-blo
20A, 125V, medium-blo
COLOR A B C
BLACK 0 0 0
BROWN 1 1 1
RED 2 2 2
ORANGE 3 3 3
YELLOW 4 4 4
GREEN 5 5 5
BLUE
6 6 6
VIOLET 7 7 7
GRAY 8 8 8
WHITE
9 9 9
FUSE
- -
-
,-
-
~-_ . . _~ -
F1 for 120 Vac operation
F1 for 240 Vac operation
F2
F3
F4
F5
F6
A9F1
A9F2
F7
F8
F9
3.
SEE J1
POWER PANEL
ASSEMBLY
WIRING DIAGRAM
928 ~-----------------+---'
NOTES:
STRAPPING CONFIGURATIONS
e---~-------------r_-_+_+_-------<54
I
I
L
4. TERMINAL BLOCK T81 IS SHOWN CONFIGURED FOR 120 VAC OPERATION.
GROUND BLOCK TB2 CONNECTIONS MUST BE MADE AS SHOWN.
6. ONLY GROUND 1 LEAVES POWER AND MOTOR REGULATOR PCA-A9.
7. PARENTHETICALLY NOTED CONNECTOR PIN IDENTIFICATIONS DENOTE
SOURCE OR DESTINATION.
8. THE NUMBERS ON THE CONNECTOR A9P1 MAY NOT MATCH THE NUMBERS
ON A9J1. THE WIRING COLOR CODE (SEE NOTE 2) AND WIRE SOURCE INFORMATION
SHOULD BE USED FOR PROPER CONNECTION TO A9J1.
A
,. c=J
DENOTES OPERATOR PANEL NOMENCLATURE.
C===J
Df:NOTES POWER SUPPLY ASSEMBLY NOMENCLATURE
2. ENCIRCLED NUMBERS
CD
INDICATE WIRING COLOR CODE:
AS FOLLOWS:
7311-25E
10 11
12 13 15
16 17 18
Figure 4-23, Mainframe Assembly, Wiring Diagram
4-39/4-40