Advertisement
Al
Ss &
=
C2812
NG
302
2SB815
RIPPLE FILTER
WER
{TCH
[AUDIO BOARD (i/2)}
$304-1 | 1SS/FM MODE
2/MONO = 1/STEREO
2sceei2L
SWITCHING
Qi8
0402
2SA8I2
GL3PR3
MONO/STEREO
SELECT
i
STEREO
Ae
awe
PHASE
vco
p>
My
TRIGGER
Sue REG.
QiS 2sc28l2.
MUTING
AEP
(E,UK MODEL)
aa
[302 ° "ToyH
329 [+
Q309
Q308
=
Q307
Q305
Q306
z
2SC2712
2SAI162
28C2712
2SC2712
2SAI162
—
PRE-DRIVE —
VOLTAGE REF
—
RIVE —
C2i4
aa Av
L201.
10H
$
jr.
"de
Lez
+£C221
=
cs
20/4V
022
pyd.ze
'oo.
$30!
FUNCTION
RADIO
¢.
TAPE
(Fag)
OFF
RECORD/ PLAYBACK
23
2sca7l2
AMP
$303
OFF => ON
$301-3
RADIO/ALARM
| .
STAND BY
C27l2
Q314 — 2sc27i2
MUTING
0305, 306
1T40
t1c320
Q313_
2sc27i2
AMP
PLAYBACK =® RECORD
pay
35V
Q303
Q304
2salai3
2S8C2873
—— POWER AMP ——
100
(I/8W)
Q304
$301
FUNCTION
TAPE (RADIO _OFF)} = | RADIO
$303
RADIO/ALARM
OFF > on
L_STAND BY
0304
1S2837
="
Q3l2
2sce7i2
REF. VOLTAGE
7
p<
Roe
/3W 784) YOu
Qi
2sc27i2
AMP
L301 g
eV
EE
u
4
POWER
( SP90!
TOTAL CURRENT
BV,
$901
3v
CN301
tow) [oc IN 3v]
IN. 3V
DRY BATT
=
SIZE "AA"
(IEC DESIGNATION R6)
2PCS, 3V
WA-8000/8200
Note: for Mounting Diagram
©e6ee3e0ee
@ @
Color code of sleeving over the end of the jacket.
: parts extracted from the component side.
: parts extracted from the conductor side.
: indicates side identified with part number.
B + pattern
amie
> signal path
omosamp>
= | -CH signal path
amsomes>
- R-CH signal path
In using an electret condenser microphone with a black
mark on the side of the case, connect patterns by bridging
at
Note: for Schematic Diagram
Components for right channel have same values as for left
channel. Reference numbers are coded from
All capacitors are in uF unless otherwise noted. pF: wuF
50WV
or less are not indicated except for electrolytics
and tantalums.
e
All
resistors
are
in ohms,
1
W unless otherwise
noted.
kQ:
1000 2,MQ:
1000 k2
:
e
A:
internal component.
e@
® : signal path.
@
[_]
: adjustment for repair.
e
In using an electret
condenser
microphone
with a black
mark on the side of the case, connect patterns by bridging
at
©
ames
© B+ bus.
e
Readings are taken under no-signal (detuned) conditions
'with a VOM.
(
)
:AM
No mark: common
{
] : REC
<
>
: SW
e@
Switch
Switch
Position
BAND
FM
sw
1
FUNCTION
RADIO
RECORD/PLAY BACK
PLAYBACK
RADIO/ALARM
STANDBY | OFF
ISS/FM
MODE
1/STEREO
PAUSE
OFF
TONE/PB
EQ
LOW/NORM
DIRECTION
OFF
CASSETTE
POWER
OFF
HEAD
SELECT
FORWARD
Note:
Voltages are measured with a VOM
(50k{2/V).
@
+:
Taken with an oscilloscope.
SEMICONDUCTOR
LEAD
LAYOUTS
2SA1162
2SC 1009A-FA4
G
LAN
3
2SB624
28C2223-F 14
28C2712
2SD596
B
2SK238-K 15
/
sie
D
CX20023
TA7688F
uPC1262G-E
n+1
182687S-1
188119
1T22A
RD4.7EB2
cathode
anode
182835
3
cA
2
ipa
273]
nN
182837
3
<é
1
2
rm
1
GL1PR1
GL3PR3
long
short
anode
cathode
SR106D
cathode
cathode
mark
anode
Advertisement
