Sharp CD-XP300H Service Manual page 12

CD-XP300H
SO301A
FM ANTENNA
TERMINAL
AM LOOP
ANTENNA
CNP301
ICT21
LC72723
RDS DEORDER
8
X OUT
XT21
4.332 MHz
X IN
9
10 7 13
CNP7
FROM
CD SERVO
SECTION
TAPE 1
L-CH
R-CH
PLAYBACK
HEAD
REC.
P.B.
TAPE 2
L-CH
RECORD/
R-CH
PLAYBACK
AC BIAS
HEAD
ERASE
HEAD
FE301
FM FRONT END
1
1
5
2 6 3
4 7
VT
AM AM BAND
TRACKING COVERAGE
+B6
T303 T306
QT21
2
MPX IN
(TUNER)
VDDA 3
VDDD 11
14 15 16
BI601
R
1
2
L
3
4
+B7
5
+B8
6
7
+B4
8
L(T1)
1
P.B
24
R(T1)
L(T2)
2
R(T2)
23
Q101~
Q104
POP
H/N
6
REDUCE T1/T2
L REC REC
9
R REC 16
ALC
11
12
15 T1/T2
19
+B5
SWITCHING
Q105
Q114
Q106
SWITCHING
+B5
Q112 Q113
SWITCHING
BIAS OSC
Q111
L103
SWITCHING
Figure 20 BLOCK DIAGRAM (2/3)
FM IF
AMP.
Q301 CF302
CF301
AM IF
1 2
24 23 21
X352
4.5 MHZ
IC302
1
20 22 15
LC72131
PLL
+B5
7
VCC FM
Q360
SWITCHING
JK690
VIDEO/AUX IN
L
AUX L
R
TAPE
TUNER
CD
+B5
13
L
4 PB
21
R
L REC
7
R
18
IC101
AN7345K
PLAYBACK AND RECORD
ALC
10
/PLAYBACK AMP.
+B3
+B5
Q110
Q109
+B3
BIAS
– 20 –
+B6
ZD351
5.1V
10.7 MHz
+B6
CF351
X351
450 kHz
456 kHz
+B6
T351
CF352
4 5 9 8 13
17
PHASE
FM/AM
(FM/AM)
OUT MPX IN
7 18 16 12
L354
LOW PASS LOW
IC303
LA1832S
FM IF DET.
FM MPX./AM IF
3 4 5 6
16 11
17
+B5
9
10 21
+B5
23
1
9 DI
2
R CE
16
IC601
CLK 24
10
L
R LC75341
15
11
L
AUDIO
R
14
21
PROCESSOR
L 12
4
R
13
7 8 17 18 3
Q107
Q108
MUTING
MOTOR
DRIVER
Q706
TAPE
MECHANISM
ASS'Y
Q707
Q708
SOLENOID
DRIVER
+B5
14
L
15 R
–20dB
ATT
Q601 Q603
Q602 Q604
R
L
REC/PLAY
T1/T2
BIAS