How to Modify Tactrix Openport 2.0 Clone to Enable Network Connection

In the previous post, we discussed how to choose a high-quality Tactrix Openport 2.0 Clone. Today we share another guide for correct resistors in order to make it work with the network connection.

The HQ openport 2.0 clone does not allow network connection without modification. Otherwise, it will brick the device.

How to Modify Tactrix Openport 2.0 Clone to Enable Network Connection?

Disclaimer: the modification guide was made by a Russian technician from drive2. You are at your risk. We are not holding the responsibility for your damage.

Here are the tips to modify the Openport 2.0 HQ clone with black board to avoid damage when connecting with the network.

6 resistors were soldered in each ( check table of replacements ) to bring them into line with the original, one additional resistor and two electrolytic capacitors were soldered to the LM voltage regulator (aka LD-shka, aka AMS1117). And both work and are not afraid of the Internet.

table of ratings and replacements

	orig	the clone	Replacement of herbs.	China Black board	Replacement
R1	51k	01D	513	103	513
R2	01C	01D	103	103
R3	01D	01D		103	104
R4	2,2m	2,2m		225 (R9)
R5	220k	220k		224
R6	220k	220k		224
R7	2,7k	2,7k		272
R8	74C	74С		74С
R9	01C	01D	103	103
R10	74C	74C		74C
R11	01C	01D	103	103
R12	1,5k	13B (1,33k)	152	152
R13	22k	22k		223
R14	01C	01D	103	103
R15	01C	01D	103	103
R16	240	240		241
R17	01C	01D	103	103
R18	2,2k	2,2k		222
R19	1,5k	01B (1k)	152	01B (1k)	152
R20	4,7k	4,7k		472
R21	22	22		220
R22	22	22		220
R23	1k	1k		102
R24	22k	22k		223
R25	2,2k	2,2k		222
R26	01C	01D	103	103
R27	1k	1k		102
R28	22k	22k		223
R29	2,2k	2,2k		222
R30	01C	01D	103	103
R31	4,7k	2,7k	472	272	472
R32	470	470		471
R33	22k	22k		223
R34	1.8k	1.8k		182
R35	22k	22k		223
R36	01B	01B		01B
R37	4,7k	2,7k	472	272	472
R38	01C	01D	103	103
R39	2,7k	2,7k		272
R40	2,7k	2,7k		272
R41	01D	2,7k	104	272	104
R42	01C	01D	103	103
R43	2,7k	2,7k		272
R44	2,7k	2,7k		272
R45	01C	01D	103	103
R46	2,2k	2,2k		222
R47	01C	01D	103	103
R48	2,2k	2,2k		222
R49	74C	74C		74C
R50	01C	01D	103	103
R51	74C	74C		74C
R52	01C	01D	103	103

In parallel to C8, 10 uF ceramics are soldered.

LM-ke for output 1 and 3 electrolyte 100×25.

But in pulled up to the plus through a 10k resistor from C12.

Butpin 53 output – 10k pull-up connection points.

In sum in order to replacing the resistors on the Tactrix Openport 2.0 Clone, you can do the following:
1). To capacitor C8, soldered a ceramic capacitor of 10 uF
2). On pins 1 and 3 of LD33, added an electrolytic capacitor of 100 uF, 25 V.
3). From plus C12 to pin 53 (P2[10] /EINT0) LPC2364, added a 10 kΩ resistor. This modification prevents the bootloader located in the LPC2364 from starting when the RESET command is given to the microcontroller.

Everything you do is at your own risk, we are not responsible for dead adapters.

More detail component pictures

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