Daewoo DTQ-26S1FC Service Manual page 19

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NO SOUND(CN-200I)
CHECK FOR SIGNAL
AT I501 #1
E
CHECK
MONO 100% MOD
-> 0.424 Vp-p
CHECK
EXT SOUND
SIGNAL OFF:L
CHECK SOUND INPUT
F
CHECK 9V
#1
#2 9V
(B+)
I601
#12
#13
(MUTE)
#1 9V
(B+) #4
#2(0~5V)
#6
I602
#8(0~5V)
#7
I604/I603
#6
#3
#5
#11
#14
I501
#44
LA7674
#48
Z201
CHECK SOUNDIF INPUT
14
#19
CHECK 1Vp-p
#18
MUTE ON: 5V
#17
OFF: 0V
CHECK 1Vp-p
CHECK 12VDC
CHECK SOUND OUTPUT
COMPOSITE SIGNAL
#1
I601 #1
CHECK FM DET
#4
CIRCUIT
E
GO TO
F
GO TO