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05
D6
RVDtOE1
PROTECTOR
at
250601
SWITCHING
07.08
2SD6Ot
BUFFERAMP
03,04
2SK195
VARIABLERESISTOR
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AMP
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AMPLIFIER
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OUTPUT
SOCKET
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SPEED
r-
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SENSOR
02
02
IC1
D3,D4
MAf50
RVITC4528BP
MAf50
PROTECTOR
FUPFLOP
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1-
RIS5.5K '
CIRCUIT BOARD AND WIRING CONNECTION DIAGRAM
-~-~~-
MODEL
RD-11
03
(Two
FET
Type)
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Anode
Anode
SCHEMATIC DIAGRAM MODEL RD-11 03 (Two FET Type)
IC1
01,5-8
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Notes:
1.
OC
voltage measurementsare taken with electronic voltmeterfrom negative voltage line.
2.
VR1: Auto volume control VA.
VR2: Tone control VA.
03,4
(For two FET type)
Ll:...-
TO
SPEED
SENSOR
f3I
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0-11
03 R
0-11
03
06
RVD10Ef
PROTECTOR
01
25060f
SWITCHING
05,06
250601
AMP
Q7,08
25060f
BUFFER AMP
03
25K332
VARIABLE
RESISTOR
05
, MAf091M
REGULATOR
a
- Tape &AF Signal
- +Voltage Line
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INPUT
PW(j
TO
DECK
1UNER
AMPLIFIER
i
TO
SPEED
SENSOR
SCHEMATIC DIAGRAM MODEL RD-11 03 (One FET Type)
CIRCUIT
BOARD AND WIRING CONNECTION DIAGRAM
MODEL RD-1103 (One FET Type)
,
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....
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Notes:
1.
OC
voltage measurementsare taken with electronicvoltmeter from negative voltage line.
2.
VR1: Auto volume control VA.
VR2: Tone control VA.
VR3: Gain adjustment VA.
02
IC1 D3,D4
MAf50
RVITC4S288P
MAf50
PROTECTOR
FUPFLOP
__
R...;E...;C_T
.,
,-
- R193.3K - i
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03
0
(For one FET type)
TO
SPEED
SENSOR
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Voo
RX~
RX
ex
ex
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TO
POWER
AMPLIFIER
6
12
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OUTPUT
SOCKET
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3
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IC1
RVITC4528BP