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33k
2sc2el2L
SWITCHING
[AUDIO BOARD(I/2)]
$304-1 | ISS/FM MODE
2/MONO <= \/STEREO
i
I
Qis
2SA812
MONO/STEREO
SELECT
av.
+185
220
qa
D402
GL-3PR3
) L30
loon
JOyH
BOARDS)
¢
+72
eg, 0402
Sy
Dude]! |
/ ] STEREO
Lise
Sisy
2v
Ql6
2SC2812L
MUTING
a
i
f]}_ [(EUk MoveL)
ain
i
302
2SB815
329 [+
Q309
Q308
Q307
Q305
Q306
~$"
9302 FILTER
BT.
2Sc2712
2SAll62
2sc27l2
2sca7i2
2SAI162
R360
330
——
PRE-DRIVE —
VOLTAGE REF
——
DRIVE ——
ik
aac
:
:
c2i4
:
Ae
L201 ap, !OuH
;
| J302
id
He
LIOL_ a 1H
;
==.
cua
+ ci2t tL czal
R208 & RIOB
T
220/4V
mn 0.22
190 + 100 * L301 S
Tai moe
(78W) | (W/8W)) Toy
SWITCH
Q303
Q304
|
2SA1213
28C2873
Sai
Q308 |«3V
——
POWER AMP ——
Rea
2
Q323.
2sca27l2
AMP.
FUNCTION
+
(ran)
OFF
Q315_
2sc27i2
DC AMP
Q314
MUTI
2sc27l2
NG
Q3I13_
28C2712
AMP
RECORD/ PLAYBACK
PLAYBACK => RECORD
10k
(1/8W)
R319;
R3Il
100
(1/8W)
Q304
SP901
SPEAKER
TOTAL CURRENT
REC
+ I70mA
FWD ,REV:170mA
Le +/c315
FF: 270mA
Be
£3
REW:290mA
av
vl
FM:95 mA
$301-3
$301
FUNCTION
TAPE (RADIO OFF)]
=
| RADIO
Q3i2
2SC2712
REF. VOLTAGE
$303 [ RADIO/ALARM
oFF > on
|__STAND BY
3V,
$901
pe
oe
hy CASSETTE
yey
See
ia
CN3O!
S30) [oc nv]
lings
ORY BATT
=
SIZE "AA"
|
(EC DESIGNATION "RG )
2PCS, 3V
Q3il
28C2712
AMP
'
AY
WA-8000/8200
__ Supplement(1)
Note: for Mounting Diagram
e
Color code of sleeving over the end of the jacket.
O——:
parts extracted from the component side.
@—-:
parts extracted from the conductor side.
|_t
: indicates side identified with part number.
: B+ pattern
ama
<= signal path
asamp
: L-CH signal path
comm
: 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
e
All capacitors are in uF unless otherwise noted. pF: wuF
50WV
or less are not indicated except for electrolytics
and tantalums.
All resistors are in ohms, '/,.W unless otherwise
noted.
kQ:
10002,MQ2:
1000 kQ
;
4:
internal component.
@>
+ sianal path.
(-_] : adjustment for repair.
In using an
electret
condenser
microphone
with a black
mark on the side of the case, connect patterns by bridging
at
ammme - B+ bus.
e@
Readings are taken under no-signal (detuned) conditions
with a VOM.
(
)
: AM
[
} : REC
<
>
:SW
e
Switch
No mark:
common
FUNCTION
RECORD/PLAYBACK
RADIO
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 (50kQ/V).
@
*: Taken with an oscilloscope.
SEMICONDUCTOR
LEAD
LAYOUTS
2SA1162
182835
2SC1009A-FA4
.
ce
1
GAs
2
E
2SB624
7a
a
2302223-F 14
C2712
2SD596
182837
m
1
2SB798
aspee2
GL1PR1
GL3PR3
E
B Cc
long
short
2S8K238-K15
shade
cathode
SR106D
cathode
s
/
ee
i
cathode
mark
CX20023
TA7688F
uPC1262G-E
ano
n+1
ee
182687S-1
' 188119
1T22A
RD4.7EB2
cathode
anode
1
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