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Section V Model 3555B
Table 5-6. Front Panel Trouble Analysis
3555B SHOULD INDICATE SET ACTUALLY CORRECTIVE
INPUT CONDITIONS FUNCTION (RANGE + METER)* INDICATES ACTION
FUNCTION: VF/Nm DIAL BAT In green area, BAT GOOD Replace battery
1kHz, 0dBm, 600 BAL Input: TMS, TERM
VF/Nm: 600 BAL 0dBm ±0.2dBm Refer to Paragraph 5-34
Change INPUT to BRDG
RANGE to +10dBm +6dBm ±0.2dBm Refer to Paragraph 5-34
Depress 900 BAL +4.2dBm ±0.2dBm Refer to Paragraph 5-34
INPUT to TERM
RANGE to 0dBm -0.1 5dBm ±0.2dBm Refer to Paragraph 5-34
FILTERS INPUT: NOISE TERM 0dBm Refer to Paragraph 5-37
NOISE WTG: 3kHz FLAT
VF/Nm, 600 BAL 0dBm ±0.2dBm Refer to Paragraph 5-37
Change to C MSG 0dBm +±0.2dBm Refer to Paragraph 5-37
Change to 15kHz FLAT 0dBrn ±0.2dBm Refer to Paragraph 5-37
Change to PROG 0dBm ±1dBm Refer to Paragraph 5-37
FUNCTION: CARRIER
20kHz, 0dBm INPUT: TMS, TERM
600 BAL FUNCTION: CARRIER 0dBm Refer to Paragraph 5-34
600 BAL
Change INPUT to BRDG
RANGE to +10dBm +6dBm ±0.5dBm Refer to Paragraph 5-34
Depress 135 BAL
RANGE to +20dBm +12.6dBm ±0.5dBm Refer to Paragraph 5-34
Change INPUT to TERM
RANGE to 0dBm -2.2dBm ±0.5dBm Refer to Paragraph 5-34
Change to 75 UNBAL INPUT: TMS, TERM
FUNCTION: 75 UNBAL 0dBm ±0.2dBm Refer to Paragraph 5-34
RANGE: 0dBm
Change INPUT to BRDG
RANGE to 10dBm ±6dBm +0.2dBm Refer to Table 5-8
Change INPUT back to
TERM
RANGE to 0dBm 0dBm ±0.2dBm Refer to Table 5-8
RANGE
1kHz, 600 BAL,
LEVEL +10dBm Change RANGE to +10dBm
FUNCTION: VF/Nm 600 BAL +10dBm ±0.2dBm See Paragraph 5-35
LEVEL -10dBm Change RANGE to -10dBm -10dBm ±0.2dBm See Paragraph 5-35
LEVEL -20dBm Change RANGE to -20dBm -20dBm ±0.2dBm See Paragraph 5-35
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