Read Sony CMT-DF1 / HCD-DF1 Service Manual online
18
18
HCD-DF1
HCD-DF1
7-6. SCHEMATIC DIAGRAM – MICROPHONE Board –
JA302
CE304
CE302
J303
CE303
CE301
VR301
JA303
J301
J302
R301
C309
C310
R302
C305
C311
R308
R313
Q301
R305
C307
C302
R303
R304
R306
C301
C303
R307
D301
R317
R316
C306
IC301
R309
C304
R315
R310
R314
R311
E
1-874-333-
11
(11)
C
MAIN BOARD
CON2
B
MAIN
BOARD
CON100
MICROPHONE BOARD
PHONES
MIC
MIC LEVEL
1
5
1
5
A
B
C
1
2
3
4
5
R304
Q301
C302
CE303
R313
CE301
R308
CE304
R317
IC301(1/2)
C306
CE302
R316
C303
C301
R306
R309
C305
C304
IC301(2/2)
R305
C307
R303
D301
R310
R311
R314
R307
R301
R302
JA303
JA302
C310
C309
C311
VR301
R315
100k
2SC3052
0.0022
10
16V
100k
10
16V
2.2k
100
10k
NJM14558M
0.1
100
16V
16V
8.2k
1
82p
100k
100k
1
470p
NJM14558M
4.7k
0.47
4.7k
RLS4148
22k
27k
470
270
270
270
20K
100
0.01
0.01
1000p
GND
SP-L
SP-R
PH-L
PH-R
MIC-VCC
MIC-IN
GND
MIC
MIC AMP
1
4
7
8
5
6
3
2
PHONES
MUTING
MIC LEVEL
M-MUTE
M-MUTE
1
1
5
5
: Uses unleaded solder.
7-5. PRINTED WIRING BOARD – MICROPHONE Board –
•
See page 15 for Circuit Boards Location.
(Page 21)
(Page 19)
(Page 20)
(Page 19)
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