Service manual

SERVICING
8-7
Month 2000
Part No. 001-2004-601
8.6.5 CHIP TRANSISTORS AND DIODES
Surface mounted transistors and diodes are iden-
tified by a special number that is shown in a table on
Section
10.
8.7 BERYLLIUM PRODUCT WARNING
Q501, Q502, Q503, R519, R538 and R668 in the
Power Amplifier contain Beryllium (BeO). Inhalation
of dust or fumes may cause serious chronic lung dis
-
ease. Refer to the Material Safety Data Sheets for fur-
ther details.
8.8 GRAFOIL REPLACEMENT PROCEDURE
When replacing a device that uses Grafoil for the
thermal interface, the Grafoil must be replaced. The
old Grafoil must be completely removed from the
heatsink. To avoid scuffing the heatsink a plastic
scraper (e.g. tuning tool) should be used to remove the
old Grafoil.
Table 8-2 CHIP INDUCTOR IDENTIFICATION
Color 1st Digit 2nd Digit Multiplier
(Last PN Digit)
Black 0 0 1 (7)
Brown 1 1 10 (8)
Red 2 2 100 (9)
Orange 3 3 1000 (0)
Yellow 4 4 10,000 (1)
Green 5 5 100,000 (2)
Blue 6 6 ---
Violet 7 7 ---
Gray 8 8 ---
White 9 9 0.1 (6)