Specifications

TM 11-5820-670-30
2-26. TROUBLESHOOTING CHARTS. (CONT)
CHART 2-5
No Audio Output Troubleshooting
(Sheet 5 of 8)
CHECK AC VOLTAGE AT
TP4004 ON IF. AMPLIFIER
ASSEMBLY. SEE lLLUS-
TRATION, SH 7.
REPLACE LIMITER AND
DISCRIMINATOR MODULE
A4200 (PARA 2-41).
2-76
REPLACE 1ST AND 2ND IF.
AMPLIFIER MODULE A4100
(PARA 2-41).
REPEAT AUDIO POWER OUT-
PUT AND DISTORTION PER-
FORMANCE TEST (PARA 2-5).
REPLACE 11.5 MHz CRY-
STAL FILTER FL4002 (PARA
2-41).
REPLACE RECEIVER AUDIO
AND SQUELCH PREAMPLI-
FIER MODULE A4300
(PARA 2-41).
REPLACE FIRST AND
SECOND IF. AMPLIFIER
MODULE A4100 (PARA 2-41).
REPLACE A1600 ASSEMBLY
(PARA 2-73).