Gpib Board, Schematic Diagram - Agilent Technologies 6622A Service Manual

+5V
U213 U210 U204 U206 U201 U281 U211 U207
U215 U219 U208 U202 U280 U203 U283 U212 U214
+5V
+5V
20
44
VCC
VCC
U203
U202
75ALS160 9914
16 9 12 34
D108 J201 B8 D8 DIO8
15 8 13 35
D107 1252-2320 B7 D7 DIO7
14 7 14 36
B6 D6 DIO6
D106
13 6 15 37
D105 B5 D5 DIO5
4 5 16 38
B4 D4 DIO4
D104
3 4 17 39
D103 B3 D3 DIO3
2 3 18 41
B2 D2 DIO2
D102
1 2 19 42
D101 B1 D1 DIO1
REN 17 1 23
TE TE
9 11 33
IFC
PE CONT RS2
NRFD 7
RS1
1
NC1
8 1820-6176
NDAC
RS0
18
GND NC2
DAV 6
28
10
5 NC3 INT
EOI +5V
40
NC4 TRIG
11
ATN
10 ACCRQ
SRQ
ACCGR
24 24
REN
LOGIC
+5V
COM 23 25
IFC DBIN
GND6
22 20 27
NRFD WE
GND7
VCC
21 26
NDAC CE
GND8
18 U280 29
DAV
GND9 75ALS161
20 30
EOI CLK
GND10
19 11 1 31
DC TE ATN RES
GND11
12 2 19 32
REN REN1 SRQ
SHLD
3 18
IFC IFC1 1821-1721
26 25
VSS
5 16
MTG
NRFD NRFD1
22
4 17
NDAC NDAC1
6 15
DAV DAV1
7 14
EOI EOI1
8 13
ATN ATN1
9 12
MC1
SRQ SRQ1
4
2 3 1 5
1820-6814
BIAS_COM
GND
10
B
PCLR
+5V
U215
14
9
VCC
NC
74ACT32 8
1820-5944
10
GND
7
1
CS1
2
+5V
14
U219
3 VCC 4 NC
7
GND ACT04
P210
1
NL1252-0761
2
2 PIN
POST
F201
P204
1
1252-0761 +5V
2 4A CR205
2 PIN
2110-0936
POST
NL1901-1375
HS218
1
NL1205-0886 U218
LM340AK-5
1 2
IN OUT
NL1826-0536
GND1 GND2
3 4
C223
0.1 10%
50V FIX
MC2 2
NL0160-6222 B
MP5 3 1
UNREG
SCREW_M3_P BIAS_COM
+5V
20
VCC
R239
U212
1
OE0
D[0:7] 1821-0300
19 1K C
OE1
0699-1318
D[0:7] CS3
74ABT541
18 2
D0
Y0 A0
D1 17 3
Y1 A1
U230 16 4
D2
Y2 A2
D3 15 5
Y3 A3
14 6
D4 SDA
Y4 A4
D5 13 7 SCL
Y5 A5
D6 12 8
Y6 A6
D7 11 9
Y7 A7
GND
10
U282
+5V
20
VCC
U213
19
D7
D0
74ABT574
17 1
D6
D1 OE
CS2
16 11
D5
D2 CP
15
D4
D3
14 2 19
D3 D0
D4 D0 Q0
13 3 18
D2 D1
D5 D1 Q1
12 D1 D2 4 17
D6 D2 Q2
11 5 16
D0 D3
D7 D3 Q3
6 15
D4
D4 Q4
9 7 14
A2 D5
D5 Q5
R220
8 8 13
A1 D6
D6 Q6
7 9 12
A0 D7 C 10K
D7 Q7
0699-1391
1820-8461
10
GND
43
10
B
2
3
+5V
D[0:7]
6
5
A[0:15] +5V +5V
4
32
CS8
VCC
20 32
21 U207 VCC
RAM
U206
12 13 IC_OPT
A0 D0
A0 I/O1
11 14
A1 D1
A1 I/O2
10 15
A2 D2
A2 I/O3
23
9 17 CE
A3 D3
A3 I/O4
25
OE
8 18
A4 D4
A4 I/O5
7 19
A5 D5
A5 I/O6
6 20
A6 D6
A6 I/O7
5 21
A7 A7 I/O8 D7
27 22
A8
A8 CS1
13
D0
DQ0
26 24 R255
A9
A9 OE 14
+5V D1
DQ1
23 30
A10
A10 CS2
15
C 1K D2
DQ2
25 29
A11 0699-1318
A11 WE
18
D3
4 1 DQ3
A12
A12 NC1
19
D4
DQ4
28
A13
20
D5
3 DQ5
A14
21
D6
DQ6
31
A15
22
D7
DQ7
2
A16
1818-5681
GND
1818-5292
16
GND
16
+5V
U215 A[0:15]
14
VCC
74ACT32 3
1820-5944
GND
7
+5V
+5V
14
16
U219
VCC
A15 1
VCC
U208
7
1820-5941 GND ACT04
74ACT138
NC
A12 1 15
A0 00 CS0
A13 2 14 CS1
A1 01
3 13
A14 CS2 +5V
A2 02
4 12 CS3
E1 03
U215
14
5 11 4
A15 CS4
E2 04 VCC
6 10 CS5 74ACT32
E3 05
1820-5944
9 5
CS6
06 GND
7
7
07
CS7
GND
A[0:15]
8
+5V
R262 L201
U284
5 2
SHDN SW
MIC4576 220UH
C 1K
0699-1318 1826-6632 9140-2387
1 4
VIN FB
GND
3 6
R204
1.96K
0699-1375
B
J205
1
1252-2493 P205
1
DFS
J205
NL1251-5385
2
P205
1252-2493 2
GND
J205
NL1251-5385
3
P205
1252-2493 3
+5
J205
NL1251-5385
4
P205
1252-2493 4
DTS
J206 NL1251-5385
1
P206
1252-2493 1
DFS
J206 NL1251-5385
2
P206
1252-2493 2
GND
J206
3 NL1251-5385
P206
1252-2493
3 +5
J206
4 NL1251-5385
P206
1252-2493
4 DTS
J207
1 NL1251-5385
P207
1252-2493
1 DFS
J207
2 NL1251-5385
1252-2493 P207
2 GND
J207
3 NL1251-5385
1252-2493 P207
3
+5
J207
NL1251-5385
4
P207
1252-2493 4
DTS
VCC
NL1251-5385
U230
1818-6669
J208
1
P208
1252-2493 1
1 DFS
A0
J208
2 NL1251-5385
2
P208
1252-2493 A1
2 GND
J208
3 NL1251-5385 3
A2
P208
1252-2493
3 +5
J208
4 NL1251-5385
1252-2493 P208
C224 4 DTS
NL1251-5385
0.1 10%
50V FIX OPTO_PON
ALL 4 CONN
0160-6222
IN ONE PLACE
R242
A[0:15]
10M
5%
.1W 500
0699-3819
+5V
+5V
14
U219
Y201
13 VCC 12
11
A0 7 PBRC-8.00BR
A0
1
GND ACT04
10
A1
A1
9 0410-4076
A2 14
A2
U219
8
A3 2
A3
5 VCC 6
7
A4 7
A4
GND ACT04 GUARD
6
A5
A5
5
A6
A6
14
4
A7
A7 U219
29
A8 9 VCC 8
A8
7
28
A9 +5V GND ACT04
A9
24
A10
A10
A8
27
A11
A11
A9
3
A12 14
A12
A10
U219
30
A13
A13
11 10 A11
VCC
31
A14 7
A14
GND ACT04 A12
2
A15
A13
SELECTOR
A14
A15
2 CS8
A[0:15]
+5V
14 U215
12
VCC
NC
74ACT32 11
1820-5944
NC 13
GND
6
7
+5V
U220
8 U220
LM393
3 R217 8
LM393
+ VCC R231
1 5
+ VCC
2 7
- GND
348 C
6
1826-1572 - GND
1K C
0699-1428
4 1826-1572
0699-1318
4
R232
1K C
0699-1318
R228
C 5.11K C
B 0699-1385
R211 R229
10K C 5.11K C
0699-1391 0699-1385
+5V
SELECTOR
CAL_LOCKOUT
SKIP_SELFTEST
D[0:7] 10
SA_MODE
GND
SW1
ON
D7
Y7 A7
11 9
D6
Y6 A6
12 8
1 2 3 4 D5
Y5 A5
13 7
D4
Y4 A4
14 6
D3
Y3 A3
15 5
D2
Y2 A2
16 4
D1
Y1 A1
17 3
D0
B Y0 A0
18 2
74ABT541
CS4
OE1
19
1821-0300
OE0
U214 1
+5V
VCC
20 20
+5V
VCC
+5V
U204
74ABT273
16
1 11
PCLR CS6
MR CP
8 VCC
2 3 U211
REL_1 D0
Q0 D0
1820-5941
5 4
REL_2 D1
Q1 D1 74ACT138
1
A0 00
6 7
REL_3 D2
Q2 D2
2
7 A1 01
REL_4 9 8 D3
TEST Q3 D3
3
12 13 A2 02
D4
Q4 D4
6 4
SCL E1 03
15 14
D5
Q5 D5
5
5 16 17 E2 04
D6
SDA Q6 D6
6
E3 05
19 18
DFI D7
Q7 D7
VSS 06
4 B 07
1821-0299
GND
GND
8
10
EEPON
D[0:7]
+5V
SA_MODE
+5V
20
VCC
U201
U210
44 11 74ABT574
XTAL XIRQ 1
OE
3 43 16
EXTAL RXD
11
CS5
CP
17
TXD
30
PA0
29 2 19
D0
PA1 D0 Q0
18
PD2
28 3 18
D1
PA2 19 D1 Q1
PD3
27 4 17
D2
PA3 D2 Q2
20
PD4
26 5 16
D3
PA4 D3 Q3
21
PD5
25 6 15
D4
PA5 D4 Q4
24 14 7 14
D5
PA6 RESET D5 Q5
23 8 13
D6
PA7 D6 Q6
41
R256
MODA
+5V 9 12
D7
D7 Q7
39 40
A8 MODB
C 1K 1820-8461
38
A9 0699-1318 GND
3
D0
D0
37
10
A10
4
D1
36 D1
A11
5
D2
D2
35
A12
6
D3
D3
34
A13
7
D4
D4
33
A14
8
D5
D5
32
A15 9
D6
D6
10
D7
D7
15
IRQ
12
R/W D[0:7] A[0:15]
13
AS U281
42
E
2 74ABT573
31 VSS
NC1
19
A0
1821-1256 Q0
18
A1
VDD EVSS Q1
17
A2
22 1 Q2
16
A3
Q3
15
C236 A4
Q4
14
A5
Q5
1UF 10%
13
A6
16V X7R Q6
0160-7736
12
+5V A7
Q7
11
E
1
OE
1820-8482
Q222 3
1
2
Q223
3
OPTO_PON
1
R230
5.11K C
2
0699-1385
EEPON
Q201
Q224
3
+5V
1
R221
10K C
B
2
0699-1391
PCLR
Q225 +5V
3
1
2
B
INTERCONN CABLE
(RIBBON)
COLS
14 P202 5 14
1251-8105
10 6 3
6
10 5
5 14 7
2
OPT_ID NC 2 1
NC 8 8 4
RI
3
CAL_LOCKOUT NC 3 15
16 PIN
1 POST 1 16 CONN ON
SKIP_SELFTEST
16 HEADER KEYBOARD
+5V 15 9
13
12 6
11
9 12
7
4 2
15 16 8
12
13 10
9 11 11
B
4
7 13
ROWS
+5V
14
VCC
U282
73ALS1035
1 2
15
1A 1Y
14 3 4
2A 2Y
5 6
13
3A 3Y
12 9 8
4A 4Y
11 10
11
5A 5Y
13 12
10
6A 6Y
9
1820-5612
7 GND
7
+5V
14
VCC
U283
73ALS1035
1 2
1A 1Y
3 4
2A 2Y
5 6
3A 3Y
9 8
4A 4Y
11 10
5A 5Y
13 12
6A 6Y
1820-5612
NC 4 P203 4 2
GND
7 SDA
1251-8105
6
NC 6 3
NC 2 2 1
SCL
3
3 15
15
15 9
13
13 10
11
11 11
16 PIN
9 POST 9 12
HEADER
5
5 14
1 1 16
8
8 4
NC 10 10 5
12
NC 12 6
B
NC 14 14 7
7
NC 7 13
16
+5V 16 8
PCLR
R247
+5V
D0
1
P209 1 1
+5V D[0:7] REL_1
2.87K A
1252-1152
2
R248 REL_2 2 2
0699-3958
D1
3
20 3 3
REL_3
2.87K A
VCC
4
R249 REL_4 4 4
0699-3958 10 PIN
D2
5 POST 5 5
DFI
2.87K A
6 HEADER
RI 6 6
0699-3958
2
D0 R250
D0
7
D3 OPT_ID 7 7
3
D1
D1 8
2.87K A OPTO_PON 8 8
4
D2 R251
D2 0699-3958
9
D4 +5V 9 9
5
D3
D3 10
2.87K A 10 10
6
D4 R252
D4 0699-3958
D5
7
D5
D5 B
2.87K A
8
D6 R253
D6 0699-3958
D6
9
D7
D7
2.87K A
R254
0699-3958
D7
2.87K A
0699-3958
1 2
GND
3 4
10
REF: PIN * SEQUENSE
5 6
P202
7 8
P203
9 10
P209 (10 PIN)
11 12
13 14
15 16
Figure 6-2. GPIB Board, Schematic Diagram
CONN
TO
DISPLAY
CONN
TO
OPTION
700
OR
750
6-8