--- a/content/HPZR24W.rst Wed Oct 16 21:52:38 2019 +0200 +++ b/content/HPZR24W.rst Wed Oct 16 21:53:47 2019 +0200 @@ -30,7 +30,7 @@ - a blacklight HV driver board. -.. image:: {filename}images/ZR24W/back.jpg +.. image:: {static}images/ZR24W/back.jpg :alt: Back of the HP ZR24W First thing, to make sure the problem comes from the PSU, I powered the monitor @@ -39,16 +39,16 @@ enough to power the backlight. The second output was used to produce the 12V, and the 5V was generated by my very old home made PSU. -.. image:: {filename}images/ZR24W/ext_power.jpg +.. image:: {static}images/ZR24W/ext_power.jpg :alt: Testing the display with my bench PSU. The monitor was working fine when powered from these PSUs, so the problem was, indeed, this Tatung PWB-1336-02 switching PSU: -.. image:: {filename}images/ZR24W/psu_top.jpg +.. image:: {static}images/ZR24W/psu_top.jpg :alt: Top of the Tatung PWB-1336-02 PSU -.. image:: {filename}images/ZR24W/psu_bottom.jpg +.. image:: {static}images/ZR24W/psu_bottom.jpg :alt: Bottom view of the Tatung PWB-1336-02 PSU The design is nice and clean. Electrolytic caps however are not the best ones @@ -85,7 +85,7 @@ My first test has been to plug my cheap `electronic load -<{filename}/ZPB30A1.rst>`_ on the 5V with the 2 other voltages stopped. +<{static}/ZPB30A1.rst>`_ on the 5V with the 2 other voltages stopped. And I could reliably sink 3A from there. So the problem must be on one of the 2 other rails. @@ -104,7 +104,7 @@ is some kind of a joke on the Rigol, since you cannot hide the A and B curves: the curve substraction is purely computed from displayed curve. When I found how useless this was on the Rigol, I had not enough energy to extract my old -`Tek 2445A <{filename}/TeK2445.rst>`_ from under the pile of test equipment +`Tek 2445A <{static}/TeK2445.rst>`_ from under the pile of test equipment stowed in the closet...) @@ -146,10 +146,10 @@ The application circuits are as follow: -.. image:: {filename}images/ZR24W/tny279_app_circuit.svg +.. image:: {static}images/ZR24W/tny279_app_circuit.svg :alt: Example application circuit for the TNY279PN controller (from the `datasheet <TNY279PN>`_) -.. image:: {filename}images/ZR24W/CM6807_app_circuit.svg +.. image:: {static}images/ZR24W/CM6807_app_circuit.svg :alt: Example application circuit for the CM6807 controller (from the `datasheet <CM6807>`_) In this PSU, the input DC of the TNY279 (the point just before R5 in the app @@ -160,7 +160,7 @@ there is derivated DC input path, from the bridge rectifier to the input DC rail, consisting in a diode (D922 on the PCB) followed by a thermistor (R915): -.. image:: {filename}images/ZR24W/input_DC.jpeg +.. image:: {static}images/ZR24W/input_DC.jpeg :alt: Input DC showing both paths (yellow: via the PFC, red: the alternate path when power saving is on).