Manuel du propriétaire | Technics RS-TR333 Manuel utilisateur

 DECK |
L ch —
| RS-TR973 RS
I 4 ! 5
EN MAIN CIRCUIT (PLAYBACK EQ AMP/POWER SUPPLY/ DOLBY NR
PLAYBACK HEAD
ner Y
DECK 2
=
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110/127/ 220/ 240 V
50/60Hr
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R4 220K
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SIGNAL(Leh)
POWER SUPPLY
RI2 100
AAA
he
Ca 680P
R8 220K
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RI4 100
LI 30uH Сб! $60Р
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+
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C20 120P R26 10K
Oo E — B
—
ABCD
Q3,4 L2 30pm C62 560P
2SJIGAPQRTA
HEAD SELECT(PLAY:ON)
CIRCUIT For( GC) area.
POWER
SUPPLY
CIRCUIT
For [P, PC,E, EB,
EG,GN) areas.
JKEO!
AC IN
120Y 6OHz ---(P,PC}
230-240V 50/60Hz-{E,EB,EG,GN)
| Ask 602
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RS-TR37:
34 ! 35
Hl SCHEMATIC DIAGRAM (Parts list on pages 57—60.)
(This schematic diagram may be modified at any time with the development of
i new technology.)
Note 1:
cN704 ® 5601 : Voltage selector in ‘“240V” position. (For [GC] area only.)
(110V — 127V + 220V — 240V)
CONNECTOR * S701 : Dolby noise-reduction switch (DOLBY NR; [E], ©).
—— | LE (For ICTO2) eS702 : DECK 2 Stop switch (IN).
* 5703 : DECK 2 Forward-side playback switch (p>).
* 5704 : DECK 2 Reverse-side playback switch (<Q).
| * 8705 : DECK 2 Fast-forward search switch (pp TPS).
STP * S706 : DECK 2 Rewind search switch (<< TPS).
: * 5707 : DECK 2 Open/close switch (4A OPEN/CLOSE).
® 5708 : DECK 2 Record switch (@ REC).
| cN3A < S709 : DECK 2 Pause switch (HE PAUSE).
| AQ METER Lan) *S710 : DECK 2 Automatic-record-muting switch (OQ AUTO REC MUTE).
BE ev *S712 : DECK 2 Counter reset switch (COUNTER 2 RESET).
DE va * 5714 : Power “STANDBY ¢ /ON” switch (POWER, STANDBY & /ON).
4 PA dose «S715 : DECK 1 Stop switch (Hl).
A ; en * 5716 : DECK 1 Fowarde-side playback switch (p>).
D (9) SCLK * 5717 : DECK 1 Reverse-side playback switch (<Q).
Е 3 sore * 5718 : DECK 1 Fast-forward search switch (pp TPS).
Ln * S719 : DECK 1 Rewind search switch (<< TPS).
1— GS ont CTR «S720 : DECK 1 Open/close switch (A OPEN/CLOSE).
J cosyne [N38 ® 5721 : Auto tape calibration switch (ATC).
Fe ® 5722 : Reverse-mode select switch (REVERSE MODE).
E END ® 5723 : Synchro-start switch (SYNCHRO START).
nets * 5724 : Tape-to-tape recording-speed switch (SPEED; X1, X2).
2 + B14) * 5725 : DECK 1 Counter reset switch (COUNTER 1 RESET)
GND * 5801 : DECK 1 Cassette holder open detection switch in “off” position.
a — * 5802 : DECK 1 Cassette holder close detection switch in “off” position.
ey — J * 5803 : DECK 2 Cassette holder open detection switch in “off” position.
* 5804 : DECK 2 Cassette holder close detection switch in “off” position.
® 5971 : DECK 1 Mode switch in “off” position.
* S971A : DECK 2 Mode switch in “off” position.
e 5972 : DECK 1 Half switch in “off” position.
® 5972А : DECK 2 Half switch in “off” position.
* 5973: DECK 1 ATS (CrO,) switch in “off” position.
* 5973A : DECK 2 ATS (CrO,) switch in “off” position.
* 5974A : DECK 2 Reverce rec. inhibit switch in “off” position.
* 5975A : DECK 2 Forward rec. inhibit switch in “off” position.
* S976A : DECK 2 ATS (Metal) switch in “off” position.
POWER
SWITCH CIRCUIT
S714
I POWER)
о —
|
]
—
* Resistance are in ohms (Q), 1/4 watt unless specified otherwise.
1K=1,000 (©), 1M=1,000k (QQ)
* Capacity are in micro-farads (uF) unless specified otherwise.
* All voltage values shown in circuitry are under no signal condition and playback mode with
volume control at minimum position otherwise specified.
( ) сене. 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.
* ( mua + B > ) indicates +B (bias).
*(mmms’-B>amwm) indicates —B (bias).
o ( senses ) indicates the flow of the playback signal.
о ( с } indicates the flow of the record signal.
* The supply part number is described alone in the replacement parts list,
Ref. No.
Production Part No.
Supply Part No.
1С152
XLU2040F-T2
XLU2040F-T1
1C302
BA4560FT1
SVIBA4560FT1
X marks indicate printed resistor.
Caution !
IC and LSI are sensitive to static electricity.
Secondary trouble can be prevented by taking care during repair.
e 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 IG or LSI with the fingers directly.
JO