7623
Page 5
of 7
Fig.
6-12
Back
of
Diagram 7
The
following parts were located on the back of board
for early SN, their
later locations are:
CR973 at
right of R980
R974 below R980
C943
right of R945
C936
above Q936
C876
between R879 and R877
Diagram
8
ADD:
ADD:
C876
(.03) between
base and
emitter of Q876A per
M20.507
SN
B080000.
C936 (.1)
between
base and emitter of Q936A per
M20,507 SN B080000.
ADD:
C943
(.001) from base
of Q943A to ground per
M20.185
SN
B100000.
ADD:
C827
(330) from
collector to base of Q827 per
M20.382
SN B090000.
Fig.
6-13 Back of
Diagram 8
CHANGE :
C1594 label to
R1591 label to
R1590 label to
R1594 label to
ADD:
R159
0
label to
R1596
label to
R1595
label to
Diagram 9
CHANGE :
C1384 va lue to
R1370 value to
R1393 va lue to
R1360 value to
R1596 value to
C1591
R1593
R1594
R1591
resistor above Q1591
resistor below R1592
resistor
above R1592
0.1, C1631
value to 0.1
560
K
50
K, R1537
value to 1.3 K
50
K, R1535
value to 10 K
10 K, R1592
value to 10 K
VR1461
value to 180 V, R1509 value to 464 K
R1525
value to 576
K, R1413 value to 2.4 M
C5/1273
Summary of Contents for 7623
Page 1: ...MANUAL 7623 R7623 STORAGE OSCILLOSCOPE SERVICE MANUFACTURERS OF CATHODE RAY OSCILLOSCOPES ...
Page 51: ...Fig 3 2 Block diagram of Logic circuit Circuit Description 7623 R 7623 Service ...
Page 72: ...W NJ 00 Fifl 3 22 Low Voltage Power Supply detailed block diagram ...
Page 73: ...Circuit Description 7623 R 7623 Service ...
Page 74: ...CO NJ CD Fig 3 22 Low Voltage Power Supply detailed block diagram cont ...
Page 75: ...Circuit Description 7623 R 7623 Service ...
Page 97: ...Circuit Description 7623 R7623 Service 3 51 ...
Page 98: ...Circuit Description 7623 R7623 Service Fig 3 39 Output Pulses for the Storage Circuits 3 52 ...
Page 103: ...Circuit Description 7623 R7623 Service 3 57 ...
Page 108: ... Ç À Fig 4 2 Location of circuit boards in the 7623 ...
Page 109: ...Fig 4 3 Location of circuit boards in the R7623 Maintenance 7623 R 7623 Service ...
Page 113: ...Maintenance 7623 R7623 Service Fig 4 6 Circuit Isolation Troubleshooting Chart 4 9 ...
Page 165: ...7623 BLOCK DIAGRAM ...
Page 166: ...7623 R7623 Service Front of Board ...
Page 167: ......
Page 168: ...FL ...
Page 169: ......
Page 173: ...7623 Logic ...
Page 175: ...Vertical Interface A4 ...
Page 178: ...Vertical Interface ...
Page 180: ...Vertical Amp A5 ...
Page 184: ...Horizontal Amp A6 ...
Page 186: ...7623 TO P450 VERT AMP 3 HORIZONTAL AMPLIFIER ...
Page 188: ...Output Signals A7 ...
Page 190: ...FROM 7G23 Output Signals g ...
Page 195: ...FROM LV POWER SUPPLY 7623 CRT CIRCUIT ...
Page 197: ......
Page 200: ......
Page 202: ...Storage Output A14 ...
Page 204: ......
Page 205: ...7623 R7623 Service Fig 6 14 A15 Cal Storage circuit board ...
Page 208: ......
Page 209: ...7623 R7623 Service Fig 6 15 A16 Readout System circuit board ...
Page 213: ......
Page 242: ...7623 R7623 OSCILLOSCOPE b ...
Page 243: ...151 ...
Page 246: ...20 ...
Page 247: ...7623 R7623 OSCILLOSCOPE 112 ...