Read Sharp CD-MPS660H (serv.man17) Service Manual online
CD-MPS660H/CD-MPS660E
4 – 3
Figure 4-3 BLOCK DIAGRAM (3/6)
IC101
AN7345K
PLAYBACK AND RECORD/
PLAYBACK AMP.
VF1
AUX
VIDEO
R
L
R
L
JK690
GAME INPUT
JK691
VIDEO OUT
-20dB
ATT
Q101~
Q104
Q107
Q108
Q601
Q602
Q603
Q604
REC/PLAY
CLK
CE
DI
+B4
L
R
BIAS
T1/T2
MUTING
P.B.
REC.
AC BIAS
L
L
R
R
R
L
TAPE
TUNER
CD
PB
CNP2
FROM CD SECTION
HEAD
ERASE
SWITCHING
SWITCHING
SWITCHING
BIAS
Q113
Q114
Q112
Q110
LED
DRIVER
Q710
Q706
Q711
Q712
Q707
Q708
Q714~
Q717
SWITCHING
Q109
BIAS
OSC
Q111
L103
Q105
Q106
REC./P.B.
HEAD
TAPE 2
P.B. HEAD
TAPE 1
R-CH
L-CH
R-CH
L-CH
IC601
LC75341
AUDIO PROCESSOR
+B4
R
L
REC
R
L
ALC
R REC
L REC
POP REDUCE
SWITCHING
L(T2)
R(T2)
R(T2)
R(T1)
L(T1)
21
4
24
2
1
18
11
16
3
15
10
9
7
23
14
12
13
12
13
19
7
18
10
58
30
48
13
21
4
2
24
23
6
9
9
16
12
11
15
1
H/N
P.B
REC
T1/T2
T1/T2
NOR/
HIGH
HIGH
+B4
+B4
+B4
SYSTEM
MUTE
TAPE
MECHANISM
ASS'Y
MOTOR
DRIVER
SOLENOID
DRIVER
+B7
+B7
LED703
JOG701
VOLUME
IC701
SYSTEM
MICROCOMPUTER
(2/2)
BI601
CNS601
1
3
4
4
1
3
2
+B4
VCC
+B4
CLK
AM IF
VT
AM LOOP
ANTENNA
CNP301
10.7 MHz
450 kHz
DO
DI
CE
MO/ST
SWITCHING
FM/AM
IC302
LC72131
PLL
(TUNER)
FM/AM
OUT
R
L
PHASE
(FM/AM)
MPX IN
STEREO
AM
RF
IN
AM
OSC
IN
AM
OSC
OUT
FM
Q360
X
OUT
X352
4.5 MHz
AM BAND
COVERAGE
AM
TRACKING
T303
T306
X351
456 kHz
MO/ST
VCO
FM
DET
FM+B
GND
AM
IF
CF351
IC303
LA1832S
FM IF DET./
FM MPX./AM IF
AM
MIX
CF352
T351
CF302
CF301
Q301
FE301
FM FRONT END
9
10
18
5
4
1
3
7
2
4
8
21
7
9 8
5
17
6
21
2
1
20
22
11
17
16
15
5
1
6
3
13
14
12
15
16
23
24
4
7
+B4
ICT21
LC72723
RDS DECODER
16
15
14
13
8
9
10
2
3
11
7
SO301
FM ANTENNA
TERMINAL
MPX IN
VDDA
X OUT
X IN
QT21
XT21
4.332 MHz
RST
RDDA
RDCL
RD-ID/ READY
AOUT
XI
N
L354
LOW PASS LOW
FM IF
AMP.
VSSD
TEST
VDDD
+B4
ZD351
5.1V
CD-MPS660H
IC701
IXA008AW
(SERIAL No.401xxxxx)
IXA022AW
(SERIAL No.402xxxxx~)
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