View Full Version : Report from mass production line: MARANTZ 120B


elektospiro
11-30-2011, 11:46 PM
it was easy task this time:
-cleaning and fighting with few layers of different glue on chassis and dial scale
-few new bulbs
-adjusted a scope only. but looks like it was really often used, is not too bright or maybe you guys have some idea.
i fixed scope, changing capacitors mostly, in my 2130 and 4400 only. i am not too experienced in it
-refreshed wooden sleeve

full story:
https://picasaweb.google.com/110340960129324761372/MARANTZ120B?authkey=Gv1sRgCMnBv7DsvduqNA#

elektospiro
12-01-2011, 11:17 PM
i just added two more pictures of 120b wearing a wood suit so it is no naked anymore. anybody have tube for my almost blind tuner? do not be shy guys i am not so strange and do not bite... hard.

mech986
12-02-2011, 05:41 AM
Do you know the model # of the tube you need, the CRT scope tube right?

elektospiro
12-10-2011, 09:10 PM
Do you know the model # of the tube you need, the CRT scope tube right?

service manual says:
REF. DESIG. - H001
MARANTZ PART NUMBER - VB0034001
DESCRIPTION - Picture Tube, Scope 3.5"

that is all about.
it looks like i have to take out tube to get more info.
thanks mech986 for interesting

mech986
12-11-2011, 04:25 PM
service manual says:
REF. DESIG. - H001
MARANTZ PART NUMBER - VB0034001
DESCRIPTION - Picture Tube, Scope 3.5"

that is all about.
it looks like i have to take out tube to got more info.
thanks mech986 for interesting

Sorry, the Marantz info won't help here. You'll need to actually look at the CRT tube in the tuner or pull it out and give us the manufacturer and tube model number that is written on the tube. Marantz bought them from suppliers like Hitachi and Toshiba so it may be one of those makes and models.

elektospiro
11-11-2012, 10:58 PM
Sorry, the Marantz info won't help here. You'll need to actually look at the CRT tube in the tuner or pull it out and give us the manufacturer and tube model number that is written on the tube. Marantz bought them from suppliers like Hitachi and Toshiba so it may be one of those makes and models.

i am now more then ready to go into a 120b if you think that there is a chance to find tube for. thanks
bob

mech986
11-12-2012, 02:06 AM
Ok, looking forward to pics of the scope tube and any identifying marks.

bktheking
11-12-2012, 07:16 AM
It's the same tube as a 150 I believe. You missed one on ebay back in august, an ak'r listed it, sold for a whole $46 dollars.

Toshiba (85DB1/7J3)

elektospiro
11-14-2012, 11:19 PM
bad news - no news
i looked inside a tuner - no letters and no numbers, nothing
see pictures

bktheking
11-14-2012, 11:25 PM
Numbers usually stamped on the neck, you may need to remove the shield around the tube or the rear holder with the rubber. Either way it will be the part number I posted, it was the only tube for the 120b/150. The pic looks like it just has a center burn, mine has it too. The scope cannot be run "bright" so to speak. You adjust them so they are visable but not "bright". The brighter they are the harder it is to focus them. I turn mine down to where they focus the best and I leave them that way- so far so good.

There was this one for sale on ebay, never sold:

http://www.ebay.com/itm/VINTAGE-MARANTZ-150-TUNER-PARTS-REPAIR-/251156393758

It had the tube still and for $125 it wasn't a bad price IF the tube is good, feedback is another issue.

elektospiro
11-18-2012, 03:20 PM
Ok, looking forward to pics of the scope tube and any identifying marks.

i could not find any marks all around the tube but i hope is the same as in 150. bktheking says it is Toshiba (85DB1/7J3). any idea where to find one?