Printed Wiring Board - Tape Deck Section; Schematic Diagram - Tape Deck Section - Sony CFD-E90 Service Manual

CFD-E90
6-10. PRINTED WIRING BOARD – TAPE DECK Section –
•
See page 23 for Circuit Boards Location.
1 2 3
PRE BOARD
A
T301
C305
R308 C304
R306
B
C306
R202
S301
C
-2 -1
S301
(REC/PB)
C302
REC
PB
C102
D
E
F
R-CH
RECORD/PLAYBACK
:Uses unleaded solder.
4 5 6
C308
C307
C310
R307
CN303
IC301
JC304
R302
R206
R303
JC305
JC306
JC307
JC308
R304
R301 JC302 R309
R105
C301
BLK
1-688-389- (11)
(CHASSIS)
L-CH
HRP301
HEAD
6-11. SCHEMATIC DIAGRAM – TAPE DECK Section –
• See page 36 for Waveform.
HRP301
RECORD/PLAYBACK
HEAD
WHT
L-CH YEL
RED
BLK
R-CH
HE301
ERASE HEAD
E
MAIN
S301
-1 -2
BOARD (REC/PB)
REC
CN310
(Page 29)
PB
Q302,303
ISS1/ISS2 SWITCH
11
28 28
• See page 36 for IC Block Diagram.
IC301
TA2068N
AGC
L.LIN
R103 68k R112
R301
3.3k
1M
C102
R102 MIC
100 L.PO
68 I/EX
10V C104 0.0022
C301 C103 R104
100 0.047 15k
C101 0.001
10V
L.NF L.RAD
C107 470p
R101 15k
L.RO REC
R110 C105
100 47p
L.IN L.LO
REF VCC
C302
100
10V
GND R.LO
R.IN LINE
R210 C205
100 47p
R201 15k
R.RO R.RAD
C207 470p
C201 0.001
R.NF TAPE
C204 0.0022
C203 R204
0.047 15k
R.PO R.LIN
C202 R202 R203 R212
MIC.NF MIC
100 68 68k 3.3k
10V
R106 2.2k
R206 2.2k
R305 R314 R315
470 470 470
T301
BIAS OSC
C305 R306
470p 6.8k
Q301
2SC2412K
-T-146-R
C310 C308 R308 C306
220p 100p 22k 0.01
Q302 Q303
DTC114EUA-T106 DTC114EUA-T106
C304
C307 R307
47
R310 R311 0.001 10
10V
1M 1M
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
(
〈〈 〉〉 : TAPE PLAY
{
INPUT SELECT,
R111
REC/PB PRE AMP
4.7k
JC302
0
JC306 JC305
0 0
C303
100 10V
JC308 JC307
0 0 (CHASSIS)
R309
47
R211
4.7k
CN303
13P
TU IN L
TU IN R
R105
15k
CD/LINE L
CD/LINE R
L-OUT
R205 JC301
JC303 15k 0
R-OUT
0
R303 4.7k CD/LINE
R302 4.7k TAPE
AUDIO 6V
GND (Page 31)
REC
ISS 1
JC304
0
ISS 2
Q301
REC BIAS
OSC
JC309
0
) : CD PLAY
} : REC