– 27 –
CD-RW5000
Figure 27 BLOCK DIAGRAM (2/6)
IC501
BU4066BCF
INPUT
SELECTOR
1
11
8
4
5 3 6 9 12 10 13 2
14
7
IC402
BU4066BCF
INPUT
SELECTOR
1
11
8
4
5 3 6 9 12 10 13 2
14
7
IC401
NJM4558M
OPE AMP.
1
2
3 5 6
7
+
–
–
+
4
8
ERASE
HEAD
RECORD/
PLAYBACK
HEAD
R-CH
L-CH
PB_MUTE
AUX_SEL
CD-R_SEL
S-MUTE
VSM
C2B_DI
C2B_CE
C2B_DO
C2B_CL
D_GND
Y
X W
U
V
R
S
T
O
Q
TO MICOM SECTION
Q508
Q507
JK501
Q509
Q502
Q501
IC502
LC75341
AUDIO PROCESSOR
IC503
NJM4558M
OPE AMP.
R-CH
L-CH
–
–
+
+
–
–
+
–
+
–
+
+
– +
– +
CD_R
TUNER_R
TAPE_R
AUX_R
IC502
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
ROUT
LBASS
LSEL0
CCB
INTERFACE
R1
R2
R3
R4
RSEL0
RIN
RTRE
RBASS
VREF
VDD
CLK
L1
L2
L3
L4
LIN
LTRE
LOUT
VSS
CE
DI
AUX
DECK
TUNER
CD
A_GND
A_+B
A_GND2
A_-B
R_CH
L_CH
TO MICOM SECTION
VSM
C2B_DO
C2B_CL
C2B_DI
C2B_CE
CD_L
TUNER_L
TAPE_L
AUX_L
A_GND
REC_R-CH
REC_L-CH
TAPE_L
TAPE_R
TO MICOM
SECTION
TO MICOM SECTION
CD_R
CD_L
A_GND
8
7
6
5
4
3
2
1
–
+
+
–
a
b
c
d
e
f
g
h
i
k
l
m
n
+B
+B
-B
SWITCHING
SYSTEM MUTE
REC_L-CH
R_CH
R_CH
FROM MAIN PWB
TO POWER SECTION
IC101
CNS940
Q119
Q120
IC102
BA3126N
HAED
SELECTOR
Q101
Q102
CNP102
Q116
Q114
Q115
CNP101
IC101
AN7345K
PLAYBACK AND
RECORD/PLAY BACK
AMP.
SWITCHING
BIAS OSC.
REC MUTE
REC MUTE
SWITCHING
9
8
7
6
5
4
3
2
1
REC_MUTE
REC_CONT
REC_L-CH
REC_R-CH
A_GND
TAPE_R-CH
TAPE_L-CH
REC_BIAS
A_+10V
M_+10V
BIAS_GND
A_GND
A_GND
M_GND
ERASE
T2_R2
T2_R1
T2_L1
T2_L2
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
L-CH
L-CH
R-CH
R-CH
Vcc
ALC
GND
ALC
RIPPLE
Nor/CrO2
–
+
–
+
Hich=T1
+
+
–
–
Hich=CHROME
56K
112K
56K
112K
+B
+B
1
2
3
4
5
6
7
REC_L-CH
A
B
C
D
1
2
3
4
5
6
7
8
j
R-CH
L-CH
Q503
Q504
Q402
Q401
AUX
INPUT
PHONO
INPUT
TO MICOM SECTION
MD_RCH
MD_LCH
3
2
1
CD-RW MUTE
1
2
3
4
5
6
7
1
2
3
4
5
6
1
2
3
4
5
6
AUX_R
Содержание CD-RW5000
Страница 78: ...CD RW5000 15 M E M O ...
Страница 79: ...CD RW5000 16 M E M O ...
