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2
23
3
T
TROUBL
ROUBLES
ESHO
HOO
OT
TING
ING G
GUIDE
UIDE
3. NO SOUND
3. NO SOUND
Check a
Check audio output si
udio output signal of I101 #1
gnal of I101 #1
NG
NG : Go
: Go to the fi
to the figure
gure e
e
OK
OK : Go
: Go to the fi
to the figure
gure f
f
U102
U102
TUNER
TUNER
I701
I701
MICOM
MICOM
XC701
XC701
32.768KHz
32.768KHz
#
#1
10
0
#
#1
11
1 #
#1
12
2
ST-BY
ST-BY
5V
5V
#
#2
29
9 #
#3
30
0
Check
Check
the crystal
the crystal
T-DATA
T-DATA
T-CLOCK
T-CLOCK
5V
5V
33V
33V
IF OUT
IF OUT
#14
#14
AFT
AFT
#27
#27
#28
#28
SDA
SDA
SCL
SCL
I101
I101
SF101
SF101
SAW FILTER
SAW FILTER
#
#5
5
#
#6
6
#10
#10
#8
#8
#11
#11
#12
#12
Check
Check
IF Vcc (5V)
IF Vcc (5V)
Check
Check
clock/data signal
clock/data signal
#3
#3
Check
Check
IF AGC voltage
IF AGC voltage
e
e
I601
I601
TDA7267A
TDA7267A
#1
#1
#4
#4
f
f
#52
#52
#54
#54
Check
Check
SIF output signal
SIF output signal
If no signal,
If no signal,
then change I101
then change I101
Check
Check
SIF input signal
SIF input signal
#9
#9
5V
5V
Check
Check
FM filter circuit
FM filter circuit
Check
Check
Vcc of the sound AMP
Vcc of the sound AMP
R601
R601
C602
C602
SOUND
SOUND
12V
12V
C603
C603
Audio
Audio in
in
Check
Check
audio signal in
audio signal in
#2
#2
C605
C605
speaker
speaker
Check
Check
audio signal out
audio signal out
#3
#3
Q601
Q601
Micom #40
Micom #40
Audi
Audio MUTE
o MUTE
H:Mute L:Normal
H:Mute L:Normal
C604
C604
Check
Check
L:Mute / H:Normal
L:Mute / H:Normal
Содержание DTQ-14U1FS
Страница 7: ......
Страница 17: ...1 1 6 6 IC IC DE DE S S C CR R IPT IPT IO ION N 6 Pin Description 6 Pin Description...
Страница 18: ...1 1 7 7 IC IC DE DE S S C CR R IPT IPT IO ION N...
Страница 19: ...1 1 8 8 IC IC DE DE S S C CR R IPT IPT IO ION N...
Страница 34: ...3 3 3 3 E E XPL XPL O ODE DE DV DVI IE E W W 1 DTQ 14V1FS 1 DTQ 14V1FS...
Страница 35: ...3 3 4 4 EXPL EXPL O ODED VIEW DED VIEW 2 DTQ 14V3FS 2 DTQ 14V3FS...
Страница 36: ...3 3 5 5 EXPL EXPL O ODEDVIEW DEDVIEW 3 DTQ 14V5FC FS 3 DTQ 14V5FC FS...
Страница 37: ...3 3 6 6 EXPL EXPL O ODED VIEW DED VIEW 4 DTQ 14U1FS 4 DTQ 14U1FS...
Страница 38: ...3 3 7 7 EXPL EXPL O ODEDVIEW DEDVIEW 5 DTQ 20V1FS 5 DTQ 20V1FS...
Страница 39: ...3 3 8 8 EXPL EXPL O ODED VIEW DED VIEW 6 DTQ 20V3FS 6 DTQ 20V3FS...
Страница 40: ...3 3 9 9 EXPL EXPL O ODEDVIEW DEDVIEW 7 DTQ 20V4FS 7 DTQ 20V4FS...
Страница 41: ...4 4 0 0 EXPL EXPL O ODED VIEW DED VIEW 8 DTQ 20U1FS 8 DTQ 20U1FS...
Страница 42: ...4 4 1 1 9 DTQ 14V6 9 DTQ 14V6 EXPL EXPL O ODEDVIEW DEDVIEW...
Страница 43: ...1 1 M M on A on A ug 0 ug 0 9 09 9 09 48 48 04 1 04 1 999 999...