Usd/jpy - 90.55 ... The greenback maintained a firm undertone on dlr's broad-based strength against major ccys despite active cross buying in jpy versus euro (eur/jpy tumbled fm 122.13 to 121.46 on recent flurry of news on eurozone debt problem). Offers by Japanese exporters remain at 90.65/70, 90.80 n further out at 91.00/05. On the downside, cross-related bids are located at 90.35/40 (Bids of eur/jpy are seen at 121.00/05).