16. Test Points - Bosch ACS 751 Repair Instructions

16. Test Points

Test point name Expected voltage (V)
Minimum
TP1 11.4
TP2 3.234
TP3 4.75
TP4 1.176
TP5 ---
TP6 ---
TP7 ---
TP8 ---
Test point name Expected voltage (V)
Minimum
TP1 4.75
TP2 11.4
TP3 5.09
TP10 3.219
Robert Bosch GmbH
HMI board
Typical Maximum
12 12.6 If the voltage is out of range, check the SMPS.
3.3 3.37 If the voltage is out of range, there may be a
problem with in-built regulators of HMI board
5 5.25 If the voltage is out of range, check the SMPS.
1.2 1.22 If the voltage is out of range, there may be a
problem with in-built regulators of HMI board.
16.5 ---
-8.1 ---
±10% variation is allowed. Check these volt-
ages only if the LCD has any problem.
8.5 ---
2.4 ---
I/O board
Typical Maximum
5 5.25 If the voltage is out of range, check the SMPS.
12 12.6
5.17 5.25 If the voltage is out of range, there
may be a problem with in-built reg-
ulators of the I/O board.
3.3 3.371 If the voltage is out of range, there may be a
problem with in-built regulators of the I/O board
Test Points | ACS 751/651 | 37
Remarks
Remarks
ACS 751/651 | 37 | 37 en
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1 689 975 223 2013-10-21