TCM-900DV
10
10
4-2. BLOCK DIAGRAMS – MAIN SECTION (2/2) –
S904
J102
S701
J801
S801
Q306
Q113
Q114
Q115
Q103
Q202
D803
PH701
X301
X701
S702
Q301
L801
D901
SP901
(F/R GEAR)
POWER
REEL ROTATE
DET
4MHz
4MHz
(FF/REW)
(SPEAKER)
DPC
AUTO
MANUAL
OFF
REC
LCD
DRIVER
DISPLAY
LIQUID
CRYSTAL
(3.6V)
B+
DRY BATTERY
SIZE "AA"
2PCS, 3V
(IEC DESIGNATION R6)
DC IN 3V
+
LCD901
VOL
-
-
11 14
15 32
IC REPEAT
AMP
Q302-305
REPEAT,
QUE/REV BEEP OSC
MUTE
Q307
POWER
(+3.6V)
MUTE
ATT
Q102
Q110
AMP
POWER AMP
FILTER
RIPPLE
+B(BATT)
Q201
PRE AMP,
POWER AMP
EAR
POWER
(3.6V)
KEY MATRIX
S905-911
+B
(BATT)
+B
+B
+B
+3.6V
POWER
(+3.6V)
(PIC)
(PWR)
+B SWITCH
Q801-802
ATT
Q501
AMP
Q502
LED DRIVE
Q503
VOR
REC
PIC
RV301-1
RV301-2
Q702
Q701
Q108
POWER
(3.6V)
+B
(+3.6V)
• Signal path.
E
: PB
a
: REC
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299