Technics RS-X302 - Diagram

WIRING CONNECTION DIAGRAM
(DECK 1) (DECK 2)
PLAYBACK R/P HEAD
HEAD ERASE HEAD
SYSTEM LINE
CONTROL} | CONTROL: | IN/OUT |
{Leh} (Reh)
{TO CD) {OUT) (IN)
T6OI
(Power
transformer }
CNS
py] FL METER P.C.B.
pen
ill
aaa
MOTOR
(DECK1)
MECHANISM MOT Or MECHANISM
(DECK1)P.C.B. C
(DECK2)
(DECK2)P.C.B.
TTA!
ror
TL fo]
J95! J971
[aporeration P.C.B.
a
Mi TERMINAL FUNCTION OF IC’S
RS-X302
e
1C901
(M50963-245SP):
MICROCOMPUTER
(This
microcomputer
is
used
for
mechanical
operation.)
1 | Powersipomin——_
> [een] [eno wna
[ie [ [ener
P6 (1) Counter reset signal of deck 2
(“RESET”: “L”, others: “H”)
Counter reset signal of deck 1
(“RESET”: “L”, others: “H”)
Variable voltage level signal of
rec. level volume
Operation key switches
Deck 2: STOP, F.F./REW,
PLAY, REC, PAUSE, SYNCHRO
START, X1/X2, counter reset
Operation key switches Deck
1: STOP, F.F./REW, F. PLAY, R.
PLAY, Reverse-mode, Dolby
B/C, Meter-range counter reset
ce
“AUTO REC MUTE” key switch
P4 (1) signal of deck 2 (“ON”: “L”,
“OFF”: “H")
. P4 (0) ia Not used, open
en a
Mute signal of line out
(Mute “ON”: “H”, Mute “OFF”:
oe")
Mute signal with Cue/Review
action (Mute “ON”: “H”, Mute
“OFF”: “L”)
Rec. mute signal of deck 2
(Mute “ON”: “H”, Mute “OFF”:
“L”)
Function
ee
of Playback equalizer select
23 P3 (2) signal with tape edit of deck 1
(Normal: “H”, X2 edit: “L”)
CD Synchro rec. signal
(CD STOP: “H”, CD PLAY: “L”)
ho >
a nN
Rh o
CD Synchro rec.
possible/impossible signal
(possible: “L”, impossible:
“H”)
25 P3 (0)
“AC POWER OFF” det.
INTI
terminal
27 GND terminal
Reset signal (“L” =RESET,
=F Normal: “H”)
a
Q
2s z
<
o a
ESET
Clock OSC terminal
Not used, open
Vss GND terminal
P5 (7 Test terminal (Normal=“H”)
oy P5 (6) ed Model select (Normal: “H”)
} 35 | P5 (5) al Mode! select (Normal: “L”)
Mechanism mode switch
P5 (4) (SON” oD La “OFF” “H")
ols P5 (3)
39 P5 (1)
P5 (0) Her Pia pulse signal of
At Pt ( Dolby C “ON/OFF” select
signal (“ON": “L”, “OFF”: “H”)
P4 (6) Dolby B “ON/OFF” select
signal (“ON”: “L”, “OFF”: “H”)
P1 (5) | Not used, open
Playback amp. select signal
cae Ree (Deck 2-P.B: “L”, others: “H”)
P41 (3) Bias OSC “ON/OFF” select
signal (“ON”: SLY, “OFF”: “H”)
jf re | = [noruses ore |
30
Xout
wo
re
Cassette half det. switch
(SON”: a eae “OFF”: “H”’)
Reverse rec. inh. switch of deck
2 (SON”: oH Eises “OFF”: “H")
Forward rec. inh. switch of
deck 2 (SON”: i had “OFF”: “H”)