参数资料
型号: 1796
厂商: B&K Precision
文件页数: 20/43页
文件大小: 0K
描述: POWER SPLY DC LINEAR 0-16V 0-50A
标准包装: 1
类型: 支架安装(AC 至 DC)
电源电压: 120VAC,230VAC
输出电压: 0 ~ 16VDC
电流 - 输出: 0 ~ 50A
显示器类型: LED
数字/字母数: 3(2)
输出数: 1
尺寸/尺寸: 15.750" L x 19.000" W x 5.250" H(400.05mm x 482.60mm x 133.35mm)
特点: 调节
稳压 - 线路: 0.01% + 2mV
稳压 - 负载: 0.01% + 2 mV
稳流 - 线路: 0.05% + 10mA
稳流 - 负载: 0.05% + 10mA
纹波: 1mV rms
重量: 50 磅(22.7kg)
其它名称: BK1796
( B ) UNREGULATED O/P VOLTAGE
UNREGULATED O/P VOLTAGE
Is IC LM324 OK ?
Y
Is Voltage Pot Open OR
Pot Wire is Reaching PCB ?
Y
Are Mosfets OK ?
Y
Is Gate Wire of Mosfet
Reaching PCB ?
Y
Are Diodes D3 and D4 on
Front Panel PCB OK ?
N
N
N
N
N
Replace the IC.
Replace the Voltage Pot and
Ensure proper continuity
with the PCB
Replace the Damaged
Mosfet.
Ensure proper continuity of
Gate Wire and PCB.
Replace the Damaged
Diode.
Y
Is INT & COM Terminal on Back Panel Short ?
N
Short INT COM Terminal when
External Programming
is not in use.
1.
2.
3.
4.
5.
6.
Check IC LM324 on Front Panel PCB (L1791-FP-CNT1203).
It might be damaged.
Check Voltage Potentiometer (5K Pot), whether it is open or whether the
wires associated with Voltage Potentiometer is reaching the Front Panel PCB.
Check the Mosfets and Zener Diodes across Mosfet.
It might be Short.
Check Diodes D3 and D4 on Front Panel PCB.
It might be Leaky or Short.
Ensure proper continuity of Gate Wire on Front Panel PCB and Mosfet module.
Ensure INT and COM Terminal at Back Panel are short when External
Programming is not in use.
17
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