RF - Block diagram DCT-3 - GSM-Forum

ivanov80 · 11-25-2003, 13:46

Needed DCT-3 RF block diagram.
The problem is no TX 900mhz, 1800 working (3310).
I replace PA, diplexer, HAGAR and COBBA.
Please help me.
sorry for my english

kojote · 11-25-2003, 14:34

If it`s not good then download service manual for 3310!
WBR
dean

ivanov80 · 11-25-2003, 15:28

THIS IS NO BLOCK DIAGRAM, this is shematic diagram

Engineer · 11-26-2003, 00:31

check resistam#nce of R551, and R352, may even of came off the board...

11-26-2003, 00:51

C508; C109.

baraka42 · 11-26-2003, 08:34

hi ivanov80,

try this.

V601,V602, Z503,T504, and Hager

B.R.

11-25-2003, 13:46	#1 (permalink)
ivanov80 Junior Member Join Date: May 2003 Posts: 31 Member: 29457 Status: Offline Thanks Meter: 0	RF - Block diagram DCT-3 Needed DCT-3 RF block diagram. The problem is no TX 900mhz, 1800 working (3310). I replace PA, diplexer, HAGAR and COBBA. Please help me. sorry for my english

11-25-2003, 14:34	#2 (permalink)
kojote Freak Poster Join Date: Jul 2003 Location: RS;Bosnia&Herzegovina Age: 50 Posts: 394 Member: 33472 Status: Offline Thanks Meter: 17	here it is If it`s not good then download service manual for 3310! WBR dean

11-25-2003, 15:28	#3 (permalink)
ivanov80 Junior Member Join Date: May 2003 Posts: 31 Member: 29457 Status: Offline Thanks Meter: 0	BLOCK DIAGRAM THIS IS NO BLOCK DIAGRAM, this is shematic diagram

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11-26-2003, 00:31	#4 (permalink)
Engineer Freak Poster Join Date: Nov 2003 Posts: 325 Member: 44658 Status: Offline Thanks Meter: 0	check resistam#nce of R551, and R352, may even of came off the board...

11-26-2003, 00:51	#5 (permalink)
legija Guest Posts: n/a Member:	C508; C109.

11-26-2003, 08:34	#6 (permalink)
baraka42 No Life Poster Join Date: Aug 2002 Location: india Age: 63 Posts: 1,476 Member: 14578 Status: Offline Thanks Meter: 831	hi ivanov80, try this. V601,V602, Z503,T504, and Hager B.R.