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BLOCK DIAGRAN
harman/kardon
FM
ANTENNA
AM
DAB ANTENNA
AUDIO OUT
R-CH
L-CH
COAXIAL
①
②
③
FM
FRONT END
FM/AM
IF
AM ANT
/ OSC
P L L
TUNER MODULE
D A B MODULE
6dB
① ② ③ ④ ⑤ ⑥ ⑦
⑭ ⑬ ⑫ ⑪ ⑩ ⑨ ⑧
+VDD
+5V
6dB
VCC
SPDIF OUT
BUFFER
DAB +5V
AMP
MPX
TUNER
+12 V
RDS
+5.6 V
FILTER
MUTE
-5.6 V
3.3 V
FL +40V
(Filament voltage)
R - OUT
DAB ON
-VSS
-5V
FM/AM ON
REGULATOR
REGULATOR
POWER
UNSWITCH
TRANS
OUTPUT
REGULATOR
UNSWITCH
FL +/-
UNSWITCH
AC +5.4V
AC 230V~240V
REMOTE
KEY
SCAN
SENSOR
u-COM(CPU)
S3F84BB
IC71
FL
DAB
MODULE
TU 980 Service Manual
50 HZ
+5.6V
UNSWITCH
TUNER
MODULE
REMOTE
IN/OUT
Page 30 of 32
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