Sharp CD-RW5000 Service Manual page 27

TO MICOM SECTION
S R O
U
X W V T
VSM
C2B_DO
C2B_CL
C2B_DI
C2B_CE
IC102
BA3126N
HAED
SELECTOR
1
2
3
4
5
SWITCHING
Q102
Q101
ERASE
CNP101
HEAD
ERASE
1 1 1 1
M_GND
2 2
2 2
T2_R1
3 3 3 3
T2_R2
4 4 4 4
A_GND
5 5
5 5
T2_L2
6 6 6 6
T2_L1
7 7
RECORD/
PLAYBACK
HEAD
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Q508
+B
-B
8
4 7
–
5
6
IC502
LC75341
AUDIO PROCESSOR
CD_R 13
CD
R1
14
TUNER_R
TUNER
R2
15
TAPE_R
DECK
R3
16
AUX_R
AUX
R4
17
RSEL0
IC502
18
RIN
19
RTRE
20
RBASS
R_CH ROUT
21
VREF
22 CCB
INTERFACE
+B
23 VDD
CLK
24
9
8
L-CH
7
+B
6
R-CH
24 22 21
23
–
+ 112K
Hich=T1
+
112K
–
R-CH
1 2 3 4
L-CH
Figure 27 BLOCK DIAGRAM (2/6)
– 27 –
Q507
REC_L-CH
IC501
1
BU4066BCF
IC503
INPUT
NJM4558M
–
SELECTOR
OPE AMP.
2 3
CD_L
12
L1
TUNER_L
11
L2
TAPE_L
10
L3
AUX_L
9
L4
8
LSEL0
REC_L-CH
7
LIN
6
LTRE
LBASS
5
5 3 6 9 12 10 13 2
LOUT
4
VSS
3
CE
2
DI
1
SYSTEM MUTE
A_-B
Q502
R_CH
A_GND
A_+B
Q509 R_CH
A_GND2
SWITCHING
Q501
L_CH
REC MUTE
Q120
20 19 18 17
16 15
–
+ 56K
Hich=CHROME
+
IC101
56K
–
ALC
5 6 7 8 9 10
IC101
AN7345K
PLAYBACK AND
RECORD/PLAY BACK
AMP.
CD-RW5000
n
A_GND
m
TAPE_R
TAPE_L
l
REC_R-CH
k
j
REC_L-CH
CD_R
i
A_GND
h
CD_L
g
4 8 11 1
7
14
5 3 6 9 12 10 13 2
MD_RCH
MD_LCH
CD-RW MUTE
Q504
Q503
CD-R_SEL
AUX_SEL
Q402 Q401
AUX_R
IC402
14
BU4066BCF
INPUT
7
SELECTOR
4 8 11 1
1
7
IC401
8
NJM4558M
OPE AMP.
+ +
4
2 3 5 6
R-CH
AUX
INPUT
f
L-CH
e
R-CH
d
PHONO
c
INPUT
b
L-CH
a
TAPE_L-CH
1
TAPE_R-CH
2
A_GND
3
REC_R-CH
4
REC_L-CH
5
REC_MUTE
6
REC_CONT
7
REC_BIAS
8
Q119
CNP102
REC MUTE
A_+10V A
A_GND
B
M_+10V
C
BIAS_GND
D
+B
13
14
Vcc
RIPPLE
Q114 Q115
GND
ALC SWITCHING
11
12
BIAS OSC.
Q116
1
2
3
Q
Y
JK501