Technics RS-D225W - Wiring Connection

Terminal
13. Reading of input
switch state tape
[2] motor (S903)
14. Big Reading of input
e“H” in tape (i) Head, “L” in tape (2) Head.
Tape speed ¢“H” in high speed, ‘‘L” in normal speed.
selector
switch state tape
E02 Dolby NR IN/OUT e“H” in REC mode, ‘“‘L”’ in PLAY mode.
: EO3
Function/operation
¢“L” when motor switch is on mode.
motorion
¢“L” when auto tape selector is on mode.
ATS/on
Head selector
2] auto tape
selector (S907)
Dolby B/C NR e“H” in PLAY mode, “L” in REC mode.
selector
RST Reset terminal
* Used to reset the microcomputer when power is thrown in.
¢ Reset at “L".
* Connection to GND.
eH” in motor [2] off, ““L” in motor [2] on.
¢“H” in motor (1 off, “L’’ in motor 7
* Scan signal for reading of tape 2) PLAY switch input.
¢ Scan signal for reading of REC switch input.
¢ Input of serial signal from remote control jack.
Remote control
signal input
Reading of input
switch state tape
speed (S802)
¢“H” when tape speed switch is x2 mode.
2SB621ARS
2SD592AQRS
2SA1309AQS
2SB1030QRS
2SC3311AQS
2SD1423QRS
2SD1450R
UN4113
UN4114
UN4116, UN4213
MA4160M
MA4062M
iy
Asche
LN463YCPP
(YEL)
=
Cathode
ENCESROPP(REE)
a =
7% Gatnode ee 2) On
C4 o-—fg—_—o
18$254
1SR35200
Anode
oe
LN846RP (RED)
LN346GP (GRN)
LN446YP (YEL)
@ WIRING CONNECTION DIAGRAM
Wa MAIN P.c.B.
Gil] POWER SuPPLY P.c.B.
POWER SUPPLY
CONNECTOR
From
Stereo
i
MECHANISM
(2)
P.C.B.
Amplifier 2
id
— Mw & OM ~ 0000)
PTET TT iT)
MOTOR (Tape 2)
hwill MECHANISM (1) P.C.B.
MOTOR (Tape
LED METER P.C.B.