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Mi SCHEMATIC DIAGRAM
(Parts list on pages 27, 28, 35, 36.)
(This schematic diagram may be modified at any time with
development of new technology.)
Notes:
e $701
: Stop switch (stop) in "off" position.
«$702
: Fast-forward/cue switch (ff) in "off" position.
© $703
: Rewind/review switch (rew) in "off" position.
¢ $704
: Playback switch (play) in "off" position.
° $706
: Record switch (rec) in "off" position.
e $707
: Pause switch (pause) in "off" position.
¢ $708, 709
: Dolby noise-reduction switches in "off" position.
Petes Dolby NR . |
$709: Dolby NR B
¢ $710
: Multiplex filter switch (MPX filter) in "off" position.
° $711
: Timer switch (timer) in "off" position.
© $712
: Automatic-record-muting switch (auto rec mute) in
"off" position.
© $713
: Counter
reset
switch
(counter
reset)
in "off"
position.
©$714
:Memory-stop
switch
(memory
stop)
in
"off"
position.
¢ $715, 716
: Peak hold reset switches.
has auto
]
$716: manual
¢$717
: Power switch (power) in "on" position.
° $971
: Mode switch in "off" position.
¢ $972
: Cassette half detection switch in "off" position.
© $973
: ATS (CrO.) switch in "off" position.
e $975
: Rec inhibit switch in "off" position.
° S976
: ATS (Metal) switch in "off" position.
¢ Resistance are in ohms (Q), 1/4 watt unless specified
otherwise.
1K=1,000 (Q), 1M=1,000k (Q)
¢ Capacity are in micro-farads (uF) unless specified otherwise.
¢ All voltage values shown in circuitry are under no signa!
condition and playback mode with volume control at minimum
position otherwise specified.
(
| ener Voltage values at record mode.
For measurement us EVM.
¢ (important safety notice
Components identified by A mark have special characteristics
important for safety.
When replacing any of these
components, use only manufacturer's specified parts.
¢( m—mmee=
) indicates +B (bias).
¢( mam
m
) indicates —B (bias).
o(
) indicates the flow of the playback signal.
¢( <>
) indicates the flow of the record signal.
* Caution!
IC and LSI are sensitive to static electricity.
Secondary trouble can be prevented by taking care during repair.
* Cover the parts boxes made of plastics with aluminum foil.
* Ground the soldering iron.
* Put a conductive mat on the work table.
* Do not touch the legs of IC or LSI with the fingers directly.
RS-B465
Mi WIRING CONNECTION
DIAGRAM
AC
IN
ERASE
HEAD
R/P
HEAD
T6OI
( Power
transformer )
SLD
WHT
WHT
RY
BP om CNG
Bh > omc SEF
abun
—
POWER
SUPPLY
P.C.B.
LINE OUT] [LINE IN |
——
o Litt
26-1]
z
go
E=3)
i
BJ motor
P.C.B.
a
Zz
+
>
Oo
2s
oo
pales,
FL
DRIVE
P.C.B.
CAPSTAN
MOTOR
CPll
POWER
SWITCH/
HEADPHONES
P.C.B.
iw
[7-----1J
w7
LETT TTT
J971
BPS
REC
LEVEL
P.C.B
LJ
PHONES
REC LEVEL
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