D-EJ750/EJ751/EJ753/EJ755/EJ756CK/EJ758CK
18 18
r
Waveforms
IC601
rk XTAO
VOLT/DIV : 1 V AC
TIME/DIV : 50 nsec
IC601
es R4M
VOLT/DIV : 1 V AC
TIME/DIV : 200 nsec
2 p-
16.9 MHz
2.4 p-
4.228 MHz
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or
less are not indicated except for electrolytics and tantalums.
• All resistors are in Ω and
1
/
4
W or less unless otherwise specifed.
• f : internal component.
Note: Note:
The components identi- Les composants identifiés
fied by mark 0 or dotted par une marque 0 sont cri-
line with mark 0 are cri- tiques pour la sécurité.
tical for safety. Ne les remplacer que par
Replace only with part une piéce portant le numéro
number specified. spécifié.
• A : B+ Line.
• Power voltage is dc 3 V and fed with regulated dc power supply
from battery terminal.
• Voltages are dc with respect to ground under no-signal conditions.
no mark : PLAY
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler
ances.
• Circled numbers refer to waveforms.
• Signal path.
E : CD PLAY
1
2
• Abbreviation
AUS : Australian CND : Canadian
FR : French CH : Chinese
EE : East European MX : Mexico
C&SA : Central and South America
E13 : AC220-230V area model
• IC BLOCK DIAGRAM
IC601if
RFAC
VOLT/DIV : 0.1 V AC
TIME/DIV : 0.5 msec
0.45-0.65 Vp-
3
RF IN
OCLSW
VCC
ROUT
VREF
LOUT
PGND
LIN
BIAS
BIAS
PWRSW
MUTE
MUTE_t
BEEP
GND
RIN
Standby
SW
Mute
SW
BEEP
15
14
13
12
11
10
9
16
+
-
+
-
+
-
2
3
4
5
6
7
8
1
C - Amp
SW
BIAS
ALC
IC301 AN17881A-E1
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com