Technics RS-M228X - Page 16

RS-M228X RS-M228X
[AALAND MM 7
ALA LYMM
mii itil
WITT iia
Name & Description
r Holder
ing Screw @3x 10
n Socket (L-Type)
t Lever
Clamper
Australia.]
h Cover (for S10)
pt United Kingdom,
East and Afriaca
Socket
Socket
ain Tube
BLOCK DIAGRAM
J4 LINE IN
$1-7 $3-1 $3-3 $1-8
19 20 f21 1 [2 ]3 7 {8 Jo
MIC IN J1 Oo Ff F O oO °
VR3 INPUT LEVEL
CONTROL
VR1 PLAYBACK GAIN
ADJUSTMENT VR
CR NETWORK
oy
VRQ BIAS CURRENT (a
1 Ic j2
ADJUSTMENT VR an 77 O O O
Normal CrO, Metal
wh wb al as
q y) yy) 5 NETWORK | =
1C6 (AN6256)
AUTO TAPE
(REC EQ)
S6 (Metal)
SELECTOR
| Y S7 (Normal/CrO,)
ERASE
HEAD
ees
x
¥
L7,
Q20
|
A
OSCILLATOR
K
}
eo,
BIAS
CONTROLLER
F4 11
TO FL METER
(FILAMENT)
Q27 Voltage
Regulator
D30~D33
RECTIFIER
MAIN CIRCUIT/dbx
CIRCUIT/BIAS
OSCILLATOR
Q26 Voltage
Regulator
D34~D37
RECTIFIER
DECODE ENCODE
(@-5
OUT
OB+
B+
Q3
FF/REW
Q9 FF/REW
MUTING
CONTROL
1C303 (AN6870N)
FL METER DRIVER
1C301 (BA6138)
Logarithmic
Compression AMP
G7)
VR5 RECORDING GAIN
ADJUSTMENT VR
10302 (AN6552)
OP AMP
Q301~Q303
METER MUTE & PEAK RESET
VR7 OUTPUT
cs
LEVEL
CONTROL
sc
=—_ (5)
(Pr (4) 4
REC MUTE \Q, (6) many,
23~-Q25 2
es
Q23~Q
P
on1
J3
HEADPHONES
ae aia 1@ LINE MUTE L
CONTROL Roh
240V
O
NOTES:
© $1-1—S1-14...... Record/playback select switch (Shown in playback
position).
© $2-1—S2-8 ...... NR select switch (shown in DOLBY IN position).
(®...Dolby IN, @...Dolby OUT, @)...dbx Tape,
@...dbx Disc).
© $3-1—S3-4 ...... Input select switch (shown in LINE position).
© S4 ened as .Rec Mute ON/OFF switch (shown in OFF position).
.Power ON/OFF switch (shown in ON position).
@:S6.S7 soa: Auto tape select switch.
Paee Cn
Normal Tape
Fon |
[e.tare [on [OFF |
©1983 fies wicca mesma: Fast wind ON/OFF switch (shown in ON position).
-Play muting ON/OFF switch (shown in ON position).
S10 as sisast AC power voltage select switch.
* ( <> ) this arrow indicates the flow of the playback signal.
¢ ( mi ) this arrow indicates the flow of the recording signal.
AC IN ° ( Gm ) this arrow indicates the flow of the playback and recording signal |
in combination.