Block Diagram - Sharp CD-E500 Service Manual

CD-E500
CD-E55/E44
FM
ANTENNA
AM LOOP
ANTENNA
B.P.F
BF301
3
2
1
CNP301
AM TRACKING
T302
CNP205
L
1
FROM
2
CD SECTION
CNS205 R
3
TAPE 1
PLAYBACK
HEAD
L-CH
R-CH
REC
P.B.
L-CH
R-CH
RECORD/
PLAYBACK HEAD
TAPE 2
SWITCHING
Q801
ERASE
Q803
HEAD
+B2
Q821
Q822
TAPE 2
Q823
BIAS CONT
SW801
INITIALIZE SWITCHING
SW803
REC
SOL801
SOLENOID
SWITCHING
PHOTE INTERRUPTER
TAPE 1
SW802
INITIALIZE
SOL802
SOLENOID
PHOTE INTERRUPTER
FM IF FM IF
T304 CF303
6
IC301
TA7358AP
1
FM FRONT END
9
8
2 3 4 5 7
FM MPX./AM IF
L302 L303
FM RF
OSC BUFF
Q302
T306
AM BAND
COVERAGE
FM
SWITCHING
1
L(T1)
R(T1)
24
2
SWITCHING
L(T2)
23
R(T2)
L NF 3
22
R NF
6
L REC
9
REC
16
R REC
14
REF
Q807,Q808
Q813,Q814
SWITCHING
15 12 11
Q802
SWITCHING
Q810
Q811 M801
TAPE
MOTOR
Q820
Q809
U_CON5V
+B3
Q806
Figure 16 BLOCK DIAGRAM (1/4)
Q306
IC303
LA1832S
T351 CF352
FM IF DET./
AM IF
1 4
2
AM MIX AM IF
FM MUTE
IC303
LEVEL
LA1832S
VR351
24 23 21
10 7 6
FM OSC
X352
VT 4.5 MHz
20 1 22 16 15 11
OSC IC302
LC72131
PLL(TUNER)
FM/AM MO/ST
7 9 10
FM
Q360
13 +B2
P.B
4 L
PB
21 R
IC801
AN7345K
5
PLAYBACK AND RECORD
20
/PLAYBACK AMP.
7
L REC
18 R
L NF
8
17
R NF
Q812
Q819
10 ALC
19
+B2
TAPE MPTOR
DRIVER
M Q815 Q818
Q804 Q817
SOLENOID
DRIVER
+B2
Q805 Q816
SOLENOID
DRIVER
– 16 –
DZH05C2+
CF351
X351
456 kHz
5 9 8 17 13
GND FM MO/ST
VCC VCO
DET L 14
R 15
FM/AM
MPXIN FM/AM
OUT
18 16 12
Q351
SWITCHING
4
3 5 6
17
21 8
CNP803
TAPE_SW
1
T2_RUN_PLUS
2
T2_SOL
3
T1_SOL
4
T1_RUN_PLUS
5
CH_SW
6
T_MOTOR
7
BIAS
8
REC/PLAY
9
REC
10
FRO
DISPLAY
+B2 CNS
CNP202
7 6 5 4 3 2
L
AUX
R
L
TAPE
R
L
TUNER
R
L
CD
R
+
+
+
V
V
–
+
DG
+