Figure 87. Multimeter, Remote ME-204/URM-86, parts location diagram.

Figure 87. Multimeter, Remote ME-204/URM-86, parts location diagram.

formance checklist (para 43, TM 11-6625-

S902 known to be closed, and with

351-12). refer to the troubleshooting pro-

operating power applied to the main

cedures as outlined in paragraph 67c(1) of

unit, failure of the pilot lamp and

this manual. If power transformer T801 is

electron tubes in the tuning unit to

e s t a b l i s h e d as the defective part, be sure

b e illuminated indicates possible

to tag and identify the leads to the six ter-

trouble in the wiring of P901. Re-

minals before unsoldering; this will facil-

f e r to the schematic diagram (fig.

itate rewiring. Refer to the exploded view

39), use an ohmmeter to check for

(fig. 89) for disassembly and reassembly.

continuity and isolation of the de-

o f replacement parts.

fect, and repair the cause of mal-

functioning.

79. Replacement of Parts, Main Unit

c. External Transform (fig. 89). A

method of checking the operation of the ex-

N o t e : Several parts used in

the main unit have

ternal transformer is outlined in paragraph

s m a l l e r tolerances than those

used in most radio

43c, Steps 1 through 3, 18, 19, and 79, TM

equipment. All resistors, R741

through R749, and

11-6625-351-12. If the component fails to

R751 through R761, which are

part of the impulse

generator output controls S707

operate as indicated in the equipment per-

182