Technics RS-X302 - Page 20

| RS-X302 _RS-X302
Re] Ma loon
Division Note:
Dolby circuit encord/decord Mechani “ ‘5 This packing not illustrated Ref. No. A1 (A1-1, A1-2,
select signal (encord: “L”, echanisaymcior ONOPE A1-3). P2{PAD©®))
select signal of deck 2 (“ON”:
“H”, “OFF”: “Ly
Refer to the packing on page 38 of the service manual
for Model No. SU-X302, Order No. AD9103050C8
decord: “H”)
a] ne fe
Not used, open Mechanism motor speed select
signal of deck 2 (“X1": “H”,
“XQ”: “LM
Bus clock signal
Mechanism plunger “ON/OFF”
select signal of deck 1 (“ON”:
“HH” “OFF”: se)
Bus data signal
Re
| TT P2(PAD ®))
Mechanism motor speed select
signal of deck 1 (X1": “H”,
“x2: #L")
Forward rec. inh. switch of
deck 1 (“ON”: “L”, “OFF”: “H”)
Reverse rec. inh. switch of deck
1 ("ON”: “L”, “OFF”: “H”)
Mechanism motor “ON/OFF”
select signal of deck 1 (“ON”:
“H", “OFF”: “L”)
Cassette-half det. switch of
deck 1 (“ON”: a Hie “OFF”: “H”)
Mechanism reel rotation pulse <PAD ® ® © © Part No.: RPN0383-1>
signal of deck 1
Mechanism mode-switch of
deck 1 (““ON”: af ELA “OFF”: “H”)
M@ REPLACEMENT PARTS LIST
| Notes : * Important safety notice:
Mechanism plunger “ON/OFF”
select signal of deck 2 (“ON”:
“H”, “OFF”: “L")
Power switch (“ON”: “L”,
“OFF”: “H”)
Components identified by A\ mark have special characteristics important for safety. When replacing any of these
components use only manufacturer's specified parts.
Part Name & Description Remarks
en es ees es
pL interne crrcuirysy
ELECTRIC VOLUME
PLAYBACK/REC AMP
REC LEVEL CONTROL
DOLBY B/C NR
HD404302SA02 |MICROCOMPUTER; FL METER
MO218L BUFFER AMP
M30963-245SP |MICROCOMPUTER; MECHANICAL
1¢951 DN68S1ALB =| HALL {DECK1)
1¢971 DN6851ALB HALL (DECK2)
Part No. Part Name & Description Remarks
28B1030QTA _ | TRANSISTOR ne il
KSC2785YGTA | TRANSISTOR
DICLI4ESTP | TRANSISTOR
DIALI4ESTP | TRANSISTOR
DICLIAESTP | TRANSISTOR
KSALL75YGTA | TRANSISTOR
2SB1240-P | TRANSISTOR
DICLIESTP _[rrassisTor
2SBI030QTA | TRANSISTOR
DICLI4ESTP | TRANSISTOR
2SB10300TA | TRANSISTOR
DICLI4ESTP | TRANSISTOR
KSALL75YGTA | TRANSISTOR
DICII4ESTP | TRANSISTOR
2SB1240-P | TRANSISTOR
DICLI4ESTP | TRANSISTOR
[DTALL4ESTP [TRANSISTOR
KSC2785YGTA | TRANSISTOR
[talsaestP TRANSISTOR
DICII4ESTP | TRANSISTOR
10
2 S1 Rec level control signal
: } SIGL =e Lch level signal
5 $12 Segment signal for FL display ee ee
j , SIGR eel Rch level signal
16
_— Not used, open
AVSS | GND terminal
‘ Pull down power supply
sermunet (~Vee)
Reset terminal (“RESET”: “H”)
Peel pulse signal of deck 2
$14
$13
TRANSISTOR (S)
Test terminal
2SJ164PQRTA
KSC2785YGTA
2SD1450RSTA
Tape counter reset terminal of
deck 2
Tape counter reset terminal of
deck 1
GND terminal
Power supply terminal
KSC2785YGTA | TRANSISTOR
DTALI4ESTP — | TRANSISTOR
Grid signal for FL display
Not used, open
Not used, open
ae TRANSISTOR
DIODE (S)
TRANSISTOR
TRANSISTOR
DIODE
DIODE