Sony TCS-350 - Schematic Diagram

TCS-350
TCS-350
4-2. SCHEMATIC DIAGRAM
a
CTE
no mark: playback
( ): record
A B Cc D. E F G H I J K L M N Oo
_ Qqoi,201. C301 “Diol, 201 DI02 ,202 = C101 , 201 ~
_|EAUDIO
BOARD]
2SC24581.
LA3220
ISS133
IT22
BA526
1 3,9V Roo PREAMP av R303 5.2V PREAMP —— Acc RECT —— 5,20 POWER AMP 5.2V
|
RI0S
RIG
!
680k
8.2k
™
.
6V
RIB
Clot E
0.22
RV301-1
SF
+f 10k-A vi net (72W)
2
RIO!
RUS,
_
lowe
Soy
:
J302
? ha ale ee
MIC 901 ss 5102 Q
C-lOI0A Ik fo) RIG
L-CH 120k
\ a $301-8
oe cit op c/a
Cy
3
R310. 470k ~
HRPSOI-1 a ans SP90I
pp227~3e020——~
f
I)
$301
fl
sal
ie
(
:
L-CH zy y vez PB LEVEL Sree
REC/PB $301-3 $301-4
PB—®
REC
cig
fe
ea]
=
wane Ser METAL <— NORMAL
R205 R206 =
sit)
I
ye
680k
82K
[8
oy
/CrO2
4.5V
4 (STEREO) s—|
;
3,9V
0201
-
C201 bei
0,22 R204 : RV301-2
SOV 320 , 1Ok-A 25
ae ‘Be p au “1 ;
¢205
Lend vir 0.001
y
£L.C203
t+
|e
Cale
33 R208 6208 0.47
‘ ov 220 B54 7560p 50V
SEE @—AL | | raped 3 ra aE? i
“ ors £ ies ena :
5 &4y Ril 2.4K
R209 ‘Y io Soar c2l4
20 . 5 Galt 0202 C27 470p
TOTAL CURRENT
eer
PLAY
:
95mA
iz REW : 97
HRP9OI-2 reese S301-5 Lod | Fr = Oma
PP227- 36020 => & REC/PB XS REC + IISA
a ¥ aga 301-1 $30l-2 META\ a in Dene
6 AC I3V) sor 6x6 PB —= REC C29 0.0027 i 7 /
(2.2V) 6V
R313,
220
$304
r —V
R315
»
POWER
HESOI
|
22
ehh
(oun
PLA
FF
REW)
‘
R304
OR
REC
MORD
EBF
5-36
«)
c3i0
#100"
ea
ON
aT
pov
CN30
R308 2. C319 ¢320 a 7
$303 0 = ¢
[PAUSE
]
WS
768k
4170p
470p
fs
2
, STOP = START say il ¢303
;
oe
c
coo,
Pie
= R307 LC) 202 eu Y
O 91k
° PAUSE SWITCH ORY BATTERY
c3i7 @ STOP: 5.4V 1 oo: Size “aa
00
START
+:
3.2V
L
(IEC
DESIGNATION
RG)
?
2. > oO ()
Q303
EA
eae
Pe
ee
ees
ae
2802458 Q304,305 258C2458 D303 Pe MOTOR AND SERVO BOARD Q302 2SAI04 D301, 302 Q30! 2802458
8 BIAS OSC LED DRIVE GL-9PRIO {SERVO BOARD] ARE SUPPLIED TOGETHER POWER MUTE ISS133 RIPPLE FILTER
@SEMICONDUCTOR
LEAD
LAYOUTS
Note:
e All capacitors are in uF unless otherwise noted. pF : wuF Voitage variations may be noted due to normal produc-
sears 1T22AM SiLopaie LA3220 50WV or less are not indicated except for electrolytics tion tolerances.
i asis 2SA1027R pte . and tantalums. AC voltage readings with a VTVM.
9 1 e All resistors are in ohms, %W unless otherwise noted. Total current is measured with no cassette installed.
2: 10002,M2 : 1000k2 ‘anal oath
m Ri : ni a
Bainoge (J : adjustment for repair. lie
a ‘a B+ bus.
, ey e@ Voltages are dc with respect to ground unless otherwise Note: Voltages are measured with a VOM (50kQ2/V).
|
noted.
10
ee
(Top
view)
e
Readings
are
taken
under
no-signa!
conditions.
10