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