Sharp CD-E77 - Page 16

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Figure 16 BLOCK DIAGRAM (2/3)
IC101
AN7345K
PLAYBACK AND RECORD
/PLAYBACK AMP.
AUX
VIDEO IN
R
L
R
L
JK690
FM
+B
+B4
CLK
+B4
AM IF
OSC BUFF
AM
FM IF
OSC
FM
B.P.F
BI601
ATT
–20dB
Q106
Q103-
Q108
Q107
Q602
Q601
X351
456 kHz
10.7 MHz
450 kHz
FM
REC/PLAY
CLK
CE
DI
DO DI CE
MO/ST
SWITCHING
+B4
FM/AM
PLL(TUNER)
LC72131
IC302
OUT
FM/AM
L
R
BIAS
T1/T2
MUTING
P.B.
REC
AC BIAS
L
L
R
R
R
L
TAPE
TUNER
CD
PB
CNP5
FROM CD SECTION
HEAD
ERASE
SWITCHING
SWITCHING
SWITCHING
BIAS
Q113
Q114
Q112
Q110
SWITCHING
Q109
OSC
BIAS
Q111
L103
Q105
Q106
REC PB HEAD
TAPE 2
PB HEAD
TAPE 1
R-CH
L-CH
AUDIO PROCESSOR
LC75341
IC601
+B4
R
L
REC
R
L
L NF
R NF
ALC
R REC
REF
L REC
POP REDUCE
R NF
L NF
SWITCHING
L(T2)
R(T2)
R(T1)
L(T1)
R
L
FM/AM
MPXIN
STEREO
AM RF IN
AM OSC IN
FM
Q360
VT
OSC
X352
4.5 MHZ
COVERAGE
AM BAND
AM TRACKING
T303 T306
Q302
MO/ST VCO
DET
FMFM+BGND AM IF
CF351
FM/AM IF MPX.
IC303
LA1832S
FM IF DET./
FM MPX./AM IF
AM MIX
CF352 T351
RF
FM
OSC
FM
L312
T301
CF303 T302
IC301
TA7358AP
FM FRONT END
BF301
4
22
3
24
2
1
81817
3
9
10
18
11
16
3
15
10
9
7
23
14
12
13
1
2
20
19
7
18
10
8
1 7
13
21
4
5
2
24
23
6
9
16
14
12
15
1
5 13
8 4 3 2
1
21
7
9 8 5
17
6
21
2 1
20 22 11
17
15
9
6
5 7
13
14
12
5
1
16
23
4
7
H/N
P.B
REC
T1/T2
T1/T2
HIGH
NOR/
416
21
R-CH
L-CH
Q706
Q707
Q708
TAPE
MECHANISM
ASS'Y
MOTOR
DRIVER
SOLENOID
DRIVER
+B3
+B3