JVC KD-2A - Block Diagram; System Block Diagram

| KD-2A/B/C/E/J/U
Block Diagram
TA7066P Equivalent Circuit
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HEAD AMP ANRS CIRCUIT i
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MIC
S—ATT—=LINE
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METER
$905
$906
LAMP
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: CHECK
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+80
——
REC LEVEL
7 BIAS ADJ
Rotary Switch (S 102, 202) CONNECTION
oe
(Bottom-view)
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DINOUT
RECIPB
HEAD
E.HEAD
OOO
OOO
(MIC/DIN
POSITION)
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MIC
R-CH
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CONT
CONT
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BIAS TRAP
2.
ACIOOV 50/60HZ
SOL ete
(R 5 )
STOP(FF,REW)<t-=PB
STOP(FF,REW)2=pg
(REED
SW
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ue
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9
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STOP
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Cathode
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os | 9 o LT oa A Anode 2S F656
PAUSE PB(FF, REW) AL_o ;
, 7 $908 ok
// G Gate
beoak
SIOl -i-U-7 REC PB (PB) $903 PAUSE (OFF)
2SA721
$102
-1%-2
INPUT
SELECT(MIC/DIN)
$904-1V-2
MUTE
(STOP)
SIGNAL
LINE
B
Base
2SC
1327
S50Il
-IV-2
BIAS
(Cro2)
$905
BATT
CHECK
(OFF)
POWER
SUPPLY
LINE
C
Collector
2SC828
2SC828A
$502-I-~-2
ANRS
(OFF)
$906
LAMP
(OFF)
i
Ev Emnoy 2SC564A
$503-IV-3
EQ
(cro2)
$907
REED
SWITCH
2SD545
$901 POWER (STOP/OFF) $908 AC SOCKET (OUT)
Base
Collector 2SC 1847
Emitor
|
2
3
: TA7066P
6
7
Fig. 10
-— 15 — No. 4151