Sony TCM-2 - Schematic Diagram

a &
4
TCM-2 ©
TCM-2
1 2 4 5 6 9 10 11 12 13 14 15
4-2. SCHEMATIC DIAGRAM
[AUDIO BOARD]
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MIC 901 ° Beets Tesv I
c-1007AN 5 is Melo} Sess lOne R06 Icl02 BAS208AF
polo = ig ae +] cis POWER AMP
; R102 +[.C136 2
18k
HL
cis
26M)
2.8V
(1.3V)
a3
50V 1
RIO4
Lop 220 Iclo11i72) 2.8V
Treav C108
+ C102
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ode Gl
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S103
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R108 { 4V (IEC DESIGNATION R6)
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ON
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3V
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6.3 ea ee "80 = be ine R602 REOS
SS — = i 16k 220
REC
TAPE SPEED 2V SD M901
DNR~6900A
CONTROL MOTOR
QIOl 2SCI623L7 IC60l_ LASS23
BIAS
OSC
SERVO
Note:
e@ All capacitors are in uF unless otherwise noted. pF: yur e Voltages are dc with respect to ground unless otherwise @ Switches
50WV or less are not indicated except for electrolytics noted. Position
and tantalums. e@ Readings are taken under no-signal conditions with a
©
Allresistors
are
in
ohms,
1/19
W
unless
otherwise
noted.
VOM
(50
kQ/V).
TONE
LOW
.
.
kQ
:
1000
2,
MQ
:
1000
k2
no
mark:
playback
PAUSE
OFF
Note: Voltages are measured with a VOM (50kQ/V). :
g¢ ( ) © (__] : panel designation. () + record POWER OFF
e > : signal path. e@ AC voltage readings in the bias oscillator with a oscillo- REC/PB PB
® (__] : adjustment for repair. scope.
e ——-: B+ bus. ' @ Total current is measured with no cassette installed.