Read Sony BMZ-K7D / CX-BK7 Service Manual online
CX-BK7
65
65
7-28. SCHEMATIC DIAGRAM – MIC Board –
•
See page 88 for Waveform.
•
See page 90 for IC Block Diagram.
Q203
Q204
Q205
Q206
Q207
R229
R230
R231
C232
C230
C228
L201
82µH
C237
C236
D203
R239
C226
C227
C229
R225
C239
R223
C220
C225
C224
C223
R240
C221
C222
C210
R209
R211
R216
R207
C205
R203
C203
R201
R232
R212
C216
C238
R224
C211
R213
R208
R220
R221
R214
C212
C208
C207
R206
D201
C209
IC201(2/2)
C213
R215
R205
R204
C204
IC201(1/2)
C206
R202
R217
C214
C219
CN204
J201
FB201
Q201
IC402
R210
VR201
Q202
D202
R238
R237
R236
R235
R234
R233
DTC114EKA-
T146
DTC114EKA-
T146
DTC114EKA-
T146
DTC114EKA-
T146
DTC114EKA-
T146
47k
47k
47k
150p
150p
0.0033
100
25V
25V
0.1
UDZSTE17-5.1B
1k
0.1
820p
0.1
2.2k
0.1
4.7k
0.1
0.1
0.0033
47
10V
1M
0.1
820p
22
50V
470
2.2k
1k
1k
10
50V
220k
4700p
10k
10k
2.2k
0.47
50V
0.1
100k
820p
33k
100
180
180
10
0.47
50V
1
50V
220p
120k
1SS355TE-17
10
50V
NJM4565M(TE2)
2.2
50V
50V
470
2.2k
100
0.22
50V
NJM4565M(TE2)
220
10V
10V
4.7k
5.6k
470p
0.22
7P
2SK2158
BU9262
AFS
2.2k
10K
DTC114EKA-
T146
1SS355TE-17
10k
10k
10k
10k
10k
10k
E1
E3
E2
E1
E2
E3
E1
E1
E2
E2
E3
E3
MIC-IN
VCC
LIN
RIN
C-OUT
LOUT
ROUT
VREF
MIC-OUT
VRIN
OUT
IN2
INI
OUT
IN
GND
OUT
IN
OUT
IN2
INI
TE
DS OUT
NC O
DATA
LATCH
CLK
TEST1
C-IN
NC
CLKI
CLKO
CLK
DATA
MIC-OUT
MIC-A-GND
VM
MIC_DET
(CHASSIS)
MIC_ECHO
MIC
S
MIC LEVEL AGC
8
1
3
2
4
7
5
6
DIGITAL ECHO
Q202-207
LEVEL SHIFT
MIC AMP
MIC LEVEL
(Page 67)
Click on the first or last page to see other BMZ-K7D / CX-BK7 service manuals if exist.