Daewoo DTQ-26S1FC Service Manual page 12

All manuals and user guides at all-guides.com
NO SOUND(CN-200A)
CHECK FOR SIGNAL
AT I501 #1
E
CHECK
MONO 100% MOD
-> 0.693 Vp-p
CHECK SOUND INPUT
F
CHECK 9V
#38
#30 9V
(B+)
#2(9VDC)
IM601
#39
CHECK 4.5V
#40
(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 SOUND IF INPUT
15
#22
#21 CHECK 4.5V
#20
L OUT
#15
CHECK R/L OUTPUT
R OUT
#13
MUTE ON: 5V
#8
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