Board - Sony HDW-750 Maintenance Manual

1-10. On-Board Switch/Slit Land Description
1-10-7. AXM-24 Board
For the details of the functions of the switch S101 and S201 on the A side, refer to the operatin manual.
A B
1
S101 S201
S202
+4
0
_3
2
AXM-24 board (A side/suffix : -15, -14)
n
The method of setting the input reference level on the AXM-24 board is different depending on the serial
numbers of the units (and also on the board number suffix of the AXM-24 board) as shown below.
Setting with the use of switch: : (Board suffix -15, -14)
Serial No. 10250 and higher, No. 20001 and higher
Serial No. 70332 and higher, No. 80001 and higher
Serial No. 40032 and higher
Ref No. Address Name
setting
S202 (A-2/A side) INPUT REFERENCE
Setting by using mounting or not mounting the 0 Z Z Z Z Z register : (Board suffix -13)
Serial No. 10225 through 10249
Serial No. 70263 through 70331
Serial No. 40001 through 40031
Ref No. Name
R135 CH-1 INPUT
R136 REFERENCE LEVEL
R235 CH-2 INPUT
R236 REFERENCE LEVEL
Setting by opening or shorting the slit lands : (Board suffix -12)
Serial No. 10001 through 10224
Serial No. 70001 through 70262
Ref No. Name
SL102 CH-1 INPUT
SL103 REFERENCE LEVEL
SL202 CH-2 INPUT
SL203 REFERENCE LEVEL
1-26
C
Description
Sets the input reference level.
+4 dB : Sets theinput reference level to +4 dB.
0 dB : Sets theinput reference level to 0 dB.
_3 dB : Sets theinput reference level to _3 dB.
Input level
+ + + + + 4 dB (Factory setting) 0 dB
Mounted Not Mounted
Not Mounted Mounted
Mounted Not Mounted
Not Mounted Mounted
Input level
+ + + + + 4 dB (Factory setting)
0 dB
SHORT OPEN
OPEN SHORT
SHORT OPEN
OPEN SHORT
C
B
R236
SL203
R235
SL202
AXM-24 board (B side/suffix : -13, -12)
Factory
+4 dB
_ _ _ _ _ 3 dB
Not Mounted
Not Mounted
Not Mounted
Not Mounted
_ _ _ _ _ 3 dB
OPEN
OPEN
OPEN
OPEN
A
1
R136
SL103
2
R135
SL102
+4 dB
0 dB
_3 dB
HDW-750/750CE V1