Teac C-3X User manual

TEAC.
SERVICE MANUAL
C-3X
Stereo Cassette Deck
Effective: October, 1980 BO0113 | 5 704006800

NOTES:
1 SPECIFICATIONS AND SERVICE DATA
1. Improvements may result in changes in specifications and service
data.
2. OdB is referenced to 0.775 V in this manuai unless otherwise
specified.
3. Ail the electrical numeral values are for STANDARD speed
unless otherwise specified.
SPECIFICATIONS
Track System 4-track, 2-channel stereo
Heads 3: Erase, record and playback
Type of Tape Cassette tape, C-60 and C-90 (Phitips type)
Tape Speed 4.75 cm/s (1-7/8 ips}, 9.5 cm/s (3-3/4 ips)
input (level and impedance)
MIC: Specified input level: —57 dB (1.09 mV)/10k ohms
Minimum input level: —67 dB (346 »V)
LINE IN: Specified input level: —9 dB (275 mV)/50k ohms
Minimum input level: -19 dB (86.9 mV)
Output (level and impedance}
OUTPUT: Maximum output level: ~2.5 dB (581 mV)/50k ohms
Specified output level: —5 dB (436 mV)
PHONES: Specified output level: ~15.8 dB (126 mV)/8 ohms
Equalization
ar ee
3180 us + 70 us
319015 70
Head Configuration
1/2-track, 1-channel erase head
1/4-track, 2-channel record head and playback head in a single
housing
Votors 1 DC servo capstan motor
1 OC reel motor
Bias Frequency 100 kHz +5 kHz
Operation Position Horizontal
Power Requirements
100/117/220/240 V AC, 50/60 Hz, 41 W(General export model)
117 VAC, 60 Hz, 41 W(U.S.A/Canada model)
220 V AC, 50 Hz, 41 W(Europe model)
240 V AC, 50 Hz,41 W(U.K./Australia model}
Neight § kg (19-3/16 ibs.) net
Jimensions See Fig. 3-2
STANDARD
Noise Reduction System and Headroom Extension System
manufactured under license from Dolby Laboratories Licensing
Corporation.
‘Dolby’ and the double-D symbol are trademarks of Dotby
Laboratories Licensing Corporation.
bx noise reduction system made under license from dbx, incorpo-
ated. The word dbx and the Symbol are trademarks of dbx,
ncorporated. .
t
SERVICE DATA
MECHANICAL
Tape Speed Deviation 3,000 Hz +45 Hz
Tape Speed Drift 30 Hz
Wow and Flutter
HIGH STANDARD
0.065% (WRMS) | 0.08% (WRMS)
0.18% (RMS) | _ 0.26% (RMS)
Pinch Roller Pressure 390 g to 490 g (13.8 02 to 17.3 02.)
Reel Torque {at STANDARD speed)
Take-up: 45 to 65 g-cm (0.625 to 0.903 02-inch}
Supply: 3 to 8 g-cm (0.0417 to 0.111 oz-inch)
F.F.& REW: 90 to 160 g-cm (1.25 to 2.22 02-inch)
Fast Winding Time
$0 seconds for MTT-501 (C-60)
Piayback
Record/playback
ELECTRICAL
Frequency Response
See Figs. 5-9 to 5-13.
Signal-to-noise Ratio
Playback Better than:
METAL, Co(CrO,)
NORMAL
Overall Better than:
STANDARD
48 dB
45 dB
S/N is improved by 5 dB at 1 kHz and 10 dB above 5 kHz when
Dolby NRA* is used.
METAL, Co(Cr0,)
NORMAL
Erase Efficiency 65 dB min. at 1 kHz (measured with input 10 dB
higher than the specified input level)
Channel Separation 35 dB min. at 1 kHz
Adjacent Track Crosstalk 40 dB min. at 125 Hz
Total Harmonic Distortion 2.0% or less with NORMAL, Co(Cr0,)
and METAL tapes
CAUTION
A Parts marked with this sign are safety critical components. They
must always be replaced with identical components - refer to the
TEAL Parts List and oncure oxart renlaromont.
—
ea VA
2 PARTS LOCATION
POWER
TRANSFORMER
REMOTE
PCB
ASSY
IN/OUTPUT
PCB
ASSY
POWER SUBRIy
PCB ASSY
REEL MOTOR
SUPPLY TAKE-UP COUNTER
REEL TABLE
REEL TABLE
_ him
ni ini tnd einai an |
ERASE HEAD
TENSION ARM
PINCH ROLLER
REC/PLAY HEAD CASSETTE HOLDER
Fig. 2-2
CAPSTAN MOTOR
REC/PLAY
AMPL. PCB ASSY
IN/OUTPUT PCB ASSY
_ soe |
Pl Psetcabe Le
i:
LEVER SWITCH PCB ASSY
Fig. 2-1
REEL MOTOR
FAST FORWARD SGLENOID
HEAD BASE SOLENOID
CAPSTAN MOTOR
PINCH ROLLER SOLENOID
Fig. 2-3

3 REMOVAL OF EXTERNAL COMPONENTS
Disassemble in number-order
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Eis sae eae eee
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i
Sa2ren 116"),
|
Broken line indicates some
General Export models.
Fig. 3-2 Dimensions
Fig. 3-1
LIMITED AREA
| (3x
4
MECHANICAL
ADJUSTMENTS
AND
CHECKS
Note: All checks and adjustments are made with the SPEED switch
set to STANDARD, unless otherwise indicated.
4-1 REEL TORQUE
1.
Load the cassette torque meter on the deck and read the pointer
indication on the dial scale for each tape transport operation,
The measured torque should be within the following values:
Take-up: 45 to 65 g-cm (0.62 ta 0.90 02-inch)
Supply: 3 to 8 g-cm (0.042 to 0.11 oz-inch)
F.F.and REW: 90 to 160 9-cm (1.25 to 2.22 oz-inch)
4-2 PINCH ROLLER PRESSURE
1.
With the cassette hoider shut and no tape loaded, put the deck in
PLAY mode.
. Hook a spring scale on the top of the pinch roller assembly plate,
as shown in the illustration.
. Pull the scale down until there is sufficient force to separate the
pinch roller from the capstan shaft.
. Ease pressure until the pinch roller makes just enough contact
with the capstan shaft so that the pinch roller just begins to turn.
At this point, note the reading on the scale. It should be from
390 g to 490 g (13.8 oz. to 17.3 02.)
. If the pressure is not within the prescribed specifications, it may
be adjusted by first removing the pinch roller spring from the
pinch roller assembly and then bending the spring as shown in
the illustration,
stronger
a
weaker
Fig. 4-1
4-3 HEAD BASE PLATE POSITIONING
1. Set the deck in the PLAY mode.
2. Push the head base plate by hand in the direction of the arrow
and check that the head base plate and the stopper portion of
the mechanism chassis make contact.
3. If there is any clearance, loosen the two screws on the head base
plate solenoid and reposition the solenoid unti! the clearance is
eliminated.
Head base plate
Stopper portion of
mechanical
chassis
There should be
no clearance at
this point.
ae,
Push by hand T-1554-1
when in PLAY mode
Fig. 4-2
Screws
Head Base _
Solenoid
Fig. 4-3 Head base solenoid location
4-4 CAPSTAN ASSEMBLY THRUST
1. Turn the thrust adjusting screw so that thrust of the capstan
shaft is within 0.05 mm to 0.15 mm.
Thrust piay
0.05 mm to 0.15 mm
—_—>
Thrust
adjusting
screw
Fiywheei
Fig. 4-4

4-5 TAPE SPEED
STANDARD speed
1. Connect a frequency counter to the deck as shown in Fig. 4-5.
2.
Play
a
tape
for
about
five
minutes
to
warm
up
the
deck,
then
load
a
TEAC
MTT-111
test
tape
containing
a
3000-Hz
test
tone
and
play
the
test
tape
from
the
beginning.
3.
While
the
tape
is
playing,
use
a
common
slotted
screwdriver
with
the
handle
completely
insulated
from
the
blade,
and
adjust
the
control
on
the
MOTOR
PCB
(as
far
as
possible)
for
a
reading
of
3000
Hz
(Spec.
3000
Hz
+5
Hz)
on
the
frequency
counter.
4.
Play
the
tape
at
the
beginning
and
at
the
end,
and
check
that
the
speed
deviation
is
within
the
prescribed
limits
by
observing
that
the
reading
on
the
frequency
counter
never deviates
more
than
+45
Hz
from
3000
Hz,
nor
drifts
more
than
30 Hz
at
any
given
time.
HIGH speed
5. Set the deck to HIGH speed and follow all the procedures
described above. Since the speed is doubled, all the values
described in the preceding steps are also doubled to be cam-
patible.
§. If the tape speed is not within the prescribed specifications,
check the pinch roller pressure and the tape transport mechan-
ism for any abnormality, and make sure the tape path is clean.
Frequency Counter
Oscillator
Wow &
Fiutter Meter
Fig. 4-6 Tape speed adjustment location
4-6 WOW AND FLUTTER
Note: These measurements should be made at the beginning, middle,
and the end of the tape.
1) PLAYBACK
STANDARD Speed
1. Connect a wow-and-flutter meter to the deck as shown in
Fig. 4-5.
2. Load and play a TEAC MTT-111 test tape.
3. Check that the reading on the wow-and-flutter meter is within
0.08% (WRMS).
2) SIMULTANEOUS RECORD/PLAYBACK METHOD
STANDARD Speed
4. Load a TEAC MTT-501 test tape (blank) and record a 3000-Hz
signal.
5. With the MONITOR switch in the TAPE position, note the read-
ing on the wow-and-flutter meter, it should not be more than
0.25% (RMS).
HIGH Speed
6. Repeat the above procedures with the deck set to HIGH speed.
The wow and flutter should not be more than 0.18% {RMS}.
3) NON-SIMULTANEOUS RECORD/PLAYBACK METHOD
STANDARD Speed
7. Rewind the tape to the beginning of the recorded section pre-
viously made in step 4, and play it at STANDARD speed.
8. The wow and flutter should not be more than 0.25% (RMS).
HIGH Speed
9. Rewind the tape to the beginning of the portion previously
recorded in and play it at HIGH speed. The wow and flutter
should not be more than 0.18% (RMS).
4-7 MICROSWITCH (A) ASSEMBLY CLEARANCE
1. Insert a blank cassette and close the cassette holder.
2. Loosen the two screws on the microswitch (A).
3. Move the switch so that actuator of the switch contracts the
safety lever.
4. Adjust the switch position to obtain a clearance of between
0.1 mm to 0.3 mm.
5. Retighten the screws.
Safety lever
Biank cassette
tape
0.1 mm to 0.3 mm clearance
Actuator !
Safety iever Bent tip of
switch bracket
Fig. 4-7
4-8 MICROSWITCH (B) ASSEMBLY CLEARANCE
1. Push the EJECT button to open the cassette holder.
2. Loosen the two screws on the microswitch (B).
3. Move the switch so that switch actuator contacts the bent pro-
jecting portion of the eject lever.
4. Adjust the switch position to obtain a clearance of approximate-
ly 1 mm.
5. Retighten the screws.
AS
CE
\
Actuator
=” Clearance of
approx. 1mm
|
Switch Housing
Fig. 4-8
| VA
4-9 LUBRICATION
Lubrication is only required when parts are replaced, For this pur-
pose, use the ail and grease specified below.
Oil: TEAC spindle oil (from TEAC TZ-255 oii kit), Mobil
B.T.E. Of Light, or equivalent
Grease: ORE-LUBE G1/3 or equivalent
1. Apply a drop of oil with an oil applicator to a point about 1/3
the way down the shaft (from the free end) of the flywheel, then
insert the shaft into the capstan housing.
2. Apply a suitable amount of light grease to the well of the fly-
wheel bearing.
Capstan Flywheel Ass’y
‘0
Weil of
Flywheel Bearing
| Apply a drop of oil here.
Capstan Housing
Fig. 4-9
4-10 VOLTAGE SELECTION
(FOR GENERAL EXPORT MGDELS)
1. Always disconnect the power line cord before making these
adjustments.
2. Remove the top cover of the deck by removing the screws from
the sides.
3. Locate the voltage selector, shown in the illustration (in front of
the power transformer).
4. Loosen the two screws in the shorting bar and move the bar so
. that it jumpers the opposing terminals marked with the required
voltage (100, 117, 220 or 240).
5. Retighten the screws and replace the top cover.
4-11 AC POWER LINE FREQUENCY
Since the C-3X uses a DC servo motor, 50 Hz or 60 Hz operation is
permitted without any change in power fine frequency.
Shorting Bar
Fig. 4-10

C-3X
5 ELECTRICAL ADJUSTMENTS AND CHECKS
PRECAUTIONS
1. Before beginning any checks or adjustments, clean and demag- | ~70 4B or more. . . What does it mean?
netize the entire tape path. In reference to some specifications, you may come across an expres-
2. Make sure the deck is properly set for the voltage in your sion fike: “—70 dB or more”. This means that the lower the value
jocality. of this specification, the greater the absolute value of the specifica-
3. In general, adjustments and checks are done in the order of L-ch tion and the better the performance of the deck. For instance, a
then R-ch. Double REF. NOs, and test point designations indi- noise floor of —76 dB is better than —70 dB, because this means
cate L-ch/R-ch. that the level of noise is lower. So in this case, “~70 dB or more”
(Example: R11/R21) means at least as good a value as —70 dB and maybe even better,
4. For this deck, 0 dB is referenced to 0.775 V. If you are using an i.e., —-71 dB.
AC voltmeter which references 0 d8 to 1 V, appropriate com-
pensation should be made.
5. The AC voltmeter used in the procedures must have an input
impedance of 1M ohms or more.
6. Note the “Deck settings” at the top of each chart. These settings
must he used for all the checks in each chart unless explicitly
stated otherwise.
OSCILLOSCOPE
OSCILLATOR
DISTORTION ANALYZER
Oo
ieee ie)
@® ee
eee
© °
AC Voltmeter
ATTENUATOR
LINE IN OUTPUT
Fig. 5-1 Basic test setup
REC-PLAY Head
OSCILLOSCOPE
AMP SPKR
Height/Tilt
Adjusting Screw
Azimuth
OUTPUT AC Voltmeter, .., Adjusting Nut T-1769
Fig, 5-2 Test setup for azimuth check Fig. 5-3 Azimuth adj. nut location
| ws wm
Deck settings: TEAC test tapes:
MONITOR sw.: TAPE MTT-150: For Dolby level calibration
NR SYSTEM sw.: OUT MTT-316: For playback frequency response
SPEED sw.: STANDARD check for METAL, Co(Cr0,)
5-1 PLAYBACK PERFORMANCE - EO sw.: METAL MTT-216: For playback response check for NORMAL
MEASURING
ADJUST POINT:
{or CHECK)
ITEM SETTING INPUT SIGNAL
Conn.: Fig. 5-2
RESULT
OUTPUT:
1. REC/PLAY head
azimuth
OUTPUT cont.: convenient MTT-316 (12.5 kHz)
output level position
3. Specified output
level
OUTPUT:
MTT-316 Fig. 5-9
R10/R20
Azimuth nut of @ Phase: about 0°
R-P heads on ‘scope (Fig. 5-4)
(Fig. 5-3) @ Max. output on
Phase: 45° min.
(315 Hz}
90° min.
4. PEAK LEVEL meter MTT-150 ‘
EQ: METAL, Co(CrO,}
Adjust for 10 kHz to be the
OUTPUT: At 10 kHz,
should be 3 d8 to6dB
VTIVM
OUTPUT:
2. Phase shift Same as above MTT-316 Check
{12.5 kHz)
TP1/TP2
MTT- R1
ies viene ~2.5 dB (581 mV)
*Spec. setting of
OUTPUT: OUTPUT cont.
~5 dB (436 mV) © Spec. output
level
same level as ref. signat
(315 Hz)
higher than measured
in above step,
5. Frequency response
EQ: NORMAL MTT-316
SPEED: STANDARD and
Fully-erased tape: OUTPUT:
HIGH (Use bulk tape eraser) ys 52 dB min. {STD} Ratio of spec.
6. Signal-to-noise ratio |EQ: METAL .......~... . METAL ....., 55 dB min. (HI} output of
Col(CrO.) ......... . .MTT-5061..... } 48 dB min. ~5 dB to noise
NORMAL ......... . MTT-50% ..... a
53 dB min.
PHONES:
—15.8 dB +3 dB
(89.0 mV to 178 mV}
7.- Headphone output
level MTT-150 Check
AC Voltmeter
0° (IN PHASE) 45° 90° 180°
DECK under TEST
PHONES
Fig. 5-4 Confirming phase relationship
Fig. 5-5 Test setup for headphone check

vA |
REC-PAUSE mode
MONITOR sw.: SOURCE
NR SYSTEM sw.: OUT
INPUT sw.: LINE
5-2 MONITOR PERFORMANCE OUTPUT cont.: Specified position (item 3)
10
SETTING INPUT SIGNAL
MIC:
400 Hz/—67 dB .
{346 pV)
RECORD cont.: Max
INPUT sw.: MIC
8. Min. input level
INPUT sw.: LINE
LINE IN:
400 Hz/—19 dB
{86.9 mv)
LINE IN:
9, LINE specified input
level
400 Hz/—93 dB
(275 mV)
LINE IN:
400 Hz/-—S dB
(275 mV)
ADJUST
(or CHECK)
RECORD cont.
{L./R)
Check
MEASURING
POINT:
RESULT
OUTPUT:
—5 dB 33 dB
{308 mV to 615 mV)
MIC min. input
OUTPUT:
~—5 dB +3 dB ;
(308
mV
to
615
mV}
input
level
: Specified sat-
OUTPUT: ting of RE-
DOLBY TP (TP1/TP2}:
—2.5dB +0.5dB
(548 mV to 615 mV}
IMPORTANT: Do not changes the setting of the RECORD or OUTPUT controls,
after establishing their setting as above.
10. PEAK LEVEL
meter
11. “TEST IN” INPUT sw.: TEST
LINE IN:
400 Hz/--9 dB
{275 mV}
LINE IN:
400 Hz/~—29 dB
(27.5 mV)
Deck settings:
MONITOR sw.: TAPE
NR SYSTEM sw.: OUT
INPUT sw.: LINE
SPEED sw.: STANDARD
ADJUST/PRE-SET sw.: PRE-SET
OUTPUT cont.:
5-3 RECORDING PERFORMANCE RECORD cont. (L/R):
SETTING
12, BIAS trap Record-pause mode
BIAS, EQ: METAL
Tape: METAL
13. Record bias BIAS, EQ: Co(CrO,)
Tape: MTT-5061
BiAc CA. NABMAL
Tape: MTT-501
INPUT SIGNAL
LINE IN:
No signal
LINE IN:
400Hz & 10 kHz
alternately /—42 dB
(6.15 mV}
LINE IN:
400 Hz & 10 kHz
alternately /~42 dB
(6.15 mV)
LINE IN:
AGO hie & 40 bhit=
alternately/~42 dB
(6.15 mV}
Specified position (item 3)
Specified position {item 9)
ADJUST
(or CHECK)
L104/L204
R15/R25
R14/R24
RI3/R2Z3
PEAK LEVEL meter:
0 dB +1 dB
PEAK LEVEL meter:
0 dB +2 dB
TEAC test tapes:
MTT-5061: For record test with Co(Cr0 5)
MTT-501: For record test with NORMAL
METAL: For record test with METAL
MEASURING
POINT:
RESULT
BIAS TRAP TP
(TP3/TP4):
Min. reading
OUTPUT:
Nearly equal level
at both frequencies
OUTPUT:
Nearly equal level
at both frequencies
OUTPUT:
Nearly equal level
at both frequencies
MEASURING
POINT:
ADJUST
ITEM
SETTING
INPUT
SIGNAL
(or
CHECK)
RESULT
LINE (N:
400 Hz/--12 dB
{195 mv)
OUTPUT:
~8 dB (308 mv}
BIAS, EQ: METAL
Tape: METAL R16/R26
BIAS,
EQ:
Co(Cr05)
eae
OUTPUT:
Tape:
MTT-5061
Geen
pe
—8
dB
(308
mv}
14, Record level
BIAS,
EQ:
NORMAL
LINE
IN:
OUTPUT:
Tape:
MTT-501
Pera
2d8
—8
dB
(308
mv)
SPEED: STANDARD and |
HIGH LINE IN OUTPUT:
: Required signal / : ;
Tape: METAL ‘
LINE IN:
IAS, EQ: ‘ : :
Frequency
sete
rico
|
Required
signal
/
ae
R18/R28
—42 dB (6.15 mV}
response
LINE IN:
Required signal /
—42 dB (6.15 mV}
BIAS, EQ: NORMAL
Tape: MTT-501
OUTPUT:
Fig. 5-11
{f
frequency
response
is
out
of
specification,
recheck
#13.
“Record
bias”.
LINE tN:
400 Hz/—12 dB
{195 mV)
OUTPUT:
2% or less distortion
16. Total harmonic
distortion
Same as above, but with
STANDARD tape only
LINE iN:
SPEED: STANDARD and
” ae 4 49 dB min. (HI)
Tape: METAL :
no signal
LINE IN:
17.
Signal-to-noise
1
kHz/—9
dB
OUTPUT:
Ratio
of
-
. BIAS, EQ: Co(Cro;)} ; Ratio of spec
ratio
Tape:
roe
sf
2
{275
mV)
48
dB
min,
(STD)
ified
output
of
‘
49
dB
min.
(HI)
No
signal
LINE IN;
+5 dB to noise
1 kHz/—9 dB OUTPUT:
BIAS, EQ: NORMAL
Tape: a ees ss (275 mv) 45 dB min. (STD)
t 46 dB min. {H})
no signal
* Connection is same as in Fig. 5-1, but engage 1-kHz filter.
®
Record
a
1-kHz
signal.
Rewind
tape
to
midpoint
of
recorded
portion.
Record
a
‘‘no
signal
portion.
Find
the
difference
between
the
1-kHz
portion
and
the
“‘no-signal"’
portion.
18. Erase efficiency
LINE IN:
BIAS, EQ: METAL oan OUTPUT: Ref. output
Tape: METAL ; : : evel:
p ih 65 dB min. ratio +5 dB (1.38V)
no signal
@ Connection: Fig. 5-1, but engage 1-kHz fiiter,
@
Record
a
1-kHz
signal.
Push
REC
MUTE
button
for
several
seconds.
Rewind
and
play
the
tape.
Find
the
difference
between
the
1-kHz
portion
and
the
“no-signal’’ portion.
19. REC MUTE
function
LINE IN:
BIAS, EQ: Co(CrO3) oc OUTPUT: Ref. output
Tape: MTT-S06! il 65 dB min. ratio +5 dB (1.38 V)
no signal
@ Connection: Fig. 5-1, but do not connect LINE
filter.
®
Set
the
deck
to
record
mode.
Find
the
difference
between
the
1-kHz
recorded
portion
(L-ch}
and
the
‘‘no
signal"
Portion
(R-ch).
IN (R), and engage 1-kHz
20. Channel separation
LINE IN:
Lh 1 kHz/-9 dB
(275 mV).
R-ch No signal
BIAS; EQ: Co(CrO3)
Tape: MTT-5061
OUTPUT:
35 dB min. ratio
11

ITEM SETTING INPUT SIGNAL
of previously recorded portion.
21. Adjacent track
crosstalk
LINE tN:
BIAS, EQ: Co(CrO>} L-ch No signal
Tape: MTT-5061 R-ch 125 Hz/-9 dB
(275 mV)
using a 10-kHz signal.
LINE IN:
1 kHz/—29 dB
(27.5 mV)
22. DOLBY NR effect
BIAS, EQ: Co(CrO3)
Tape: MTT-5061
BIAS, EQ: Co(CrOz)
Tape: MTT-5061
LINE IN:
10 kHz/—39 dB
(8.69 mV}
BIAS, EQ: NORMAL LINE IN:
Tape: MTT-501 Required signal/
NR SYSTEM: —42 dB (6.15 mV)
LINE IN:
Required signal /
—42 dB (6.15 mV}
LINE IN:
23. Dolby HX Required signal /
effect —12 dB (195 mV)
LINE IN:
NR SYSTEM: Required signal /
—12 dB (195 mV}
BIAS, EQ: Co(CrO,)
Tape: MTT-5061
BIAS, EQ: Co(CrO>}
Tape: MTT-5061
INPUT: TEST
ADJUST/PRE-SET sw.: ADJUST
LINE iN:
1 kHz/—29 dB
(27.5 mv)
Record-pause mode
MONITOR sw.: SOURCE
Record-pause mode
MONITOR sw.: SOURCE
1 kHz/—29 dB
(27.5 mv)
LINE IN:
1 kHz/--29 dB
(27.5 mV)
Record-play mode
24, BIAS/REC MONITOR sw.: TAPE
CALIBRATION
(on front panei)
LINE IN:
1 kHz/—29 dB
(27.5 mv)
Record-play mode
MONITOR sw.: TAPE
LINE IN:
400 H2/-—29 dB
{27.5 mV)
Record-play mode
MONITOR sw.: TAPE
SOURCE
LINE IN:
400 Hz/—29 dB
6.3 kHz/—29 dB
Te. Ke f—c2 as
Record-play mode
MONITOR sw,: TAPE
12
e Connection: Fig. 5-1, but do not connect LINE IN (L}) and OUTPUT (L).
@ Record a 125-Hz signal on R-ch and note output level. Invert tape
and play R-ch track, Check teakage level against the output reference
e Record a 1-kHz signal with NR SYSTEM switch OUT. Play this portion
with NR SYSTEM switch set to OUT and set to NR. Obtain the difference
in output level between OUT and NR positions, Repeat the above process
R35/R45 trim-pot: fully CCW( ) )
R30/R40 trim-pot: fully CW(O}
me eee i ia a eee
MEASURING 5-4 ADJUSTMENT AND TEST POINT LOCATIONS
POINT:
ADJUST
(or CHECK)
RESULT
LAs GaAK SS (GAS (aR 14
Rr ltahaal
OUTPUT:
40 dB min. ratio
a amin gate west
OUTPUT:
Variation
3dBto8dB
ne.
ae OEE NE mI RES Gael dca He tmmeney etc aye
OUTPUT: =
Variation ‘eye oegt |
8 dB to 12 dB J ~ fy
ae j TECGND ae
OUTPUT:
‘a
one’ Fig. 5-12 . \y,
et es Fd Oe ty 3 FR ty get a ED ae es ee be Ss
R36 {for L-and | OUTPUT: “
R-channets) Fig. 5-12 .
OUTPUT:
Check Fig. 5-13
OUTPUT:
Check At 10 kHz to 12.5 kHz,
should be tower than
measured
in
step
(3).
a
Repeat steps (1) to (4), but substitute R37 for R36.
R10/R20
R11/R21
- R12/R22
RECORD cont’s | OUTPUT: R13/R23
(L/R) —25 dB (43.6 mV)
8 sda ee he ee ee R14/R24
een PEAK LEVEL meter: R15/R25
0dB +2 dB
While rotating R35/R45 trim-pots clock-
wise, check that the difference in
OUTPUT level between the setting where
a maximum output value is obtained and
when the trim-pot is set fully clockwise
is more than 4 dB.
R16/R26
R17/R27
Rt8/R28
R30/R40
R35/R45
variable range
checks
R35/R45
Set R35/R45 in the position correspond-
ing to maximum output value. Check that,| R30/R40 |
when R30/R40 is rotated from fully CW variable range
position to fully CCW position, OUTPUT
level is reduced by more than 10 dB.
OUTPUT:
Equal level with
MONITOR switch,
TAPE and SOURCE
R36
R37
1104/L204
R30/R40
OUTPUT:
Flat jevel between
all 4 signals
R35/R45 ‘
R35 R45 R30 R40
Fig. 58
Playback EQ
Playback level
PEAK LEVEL meter
Record bias (NORMAL)
Record bias [Co(CrO,)}
Record bias (METAL)
Record level (METAL)
Record level [Co(Cr0,)}
Record level (NORMAL)
Record level (coarse-adjusted
for general setting)
Record bias (coarse-adjusted
for general setting)
DOLBY HX effect (NORMAL)
DOLBY HX effect [Co(Cr0,)]
Bias trap
13

C-3K
6 EXPLODED VIEWS AND PARTS LIST
| "JA
Parts
marked
with
*require
longer
delivery
time
than
regualr
parts.
=
JeranenaicWa
EXPLODED
VIEW
-
1
INCLUDED
ACCESSORIES
REF.NO.
PARTSNO.
DESCRIPTION
REF.NO.
PARTSNO.
OESCRIPTION
1-1
*6800060300
Cover,
Top
[All
except
L]
5128065000
Cord
Assy,
eect
Weuher
eas
1-2
“5122168000
Connector,
Socket;
6P
Input-output
Connection
M4x6
(BLK
Ni)
1
3
*5122165000
Connector,
Socket;
3P
5101345000
=
Information
Supplement,
Cassette
ets
Boe
1-4
*5122166000
Connector,
Socket;
4P
{U]
eet
we
1
-
5
5122172000
Connector,
Socket;
10P
5101495000
information
Supplement,
Cassette
|
4x
615x10.5(BLK)
[All
except
U]
1
6
“5122167000
Connector,
Socket;
5P
1-7
*5800059400
Bracket,
Handle;
L
{All
except
L]
5740005000
Plate
Assy,
Side;
B
[Ail
except
L]
1
-
8
*5800083400
Escutcheon
Assy,
Cassette
5544995000
Washer
x
4
[All
except
L]
1-9
*5122174000
Connector,
Socekt;
12P
5534659000
Sapcer
x
4
[All
except
tL]
1
-10
*5785603025
Spacer
5780215015
Screw,M5x
15
(Ni)
x4
.)
[All
except
L]
ee
Se
esiOs
1-41
5504712000
Knob
Assy,
TIMER
5564682000
Seal,
MEMORY
[Ali
except
L]
1
-12
*5640007300
Panel
Assy,
Front
1
-13
5543027100
Knob,
VR
5700007200
C-3X
Owner’s
Manual
[U]
+
-14
5534521000
Knob,
Lever
Switch
5700007300
C-3X
Owner's
Manual
1
-15
*5552340201
Chassis,
Rear
[All
except
“]
[Ail
except
U]
*§502229001
Chassis
Assy,
Rear
[1]
7
1
-16
“5504676000
=
Foot
[All
except
L]
>
1
-17
“5800059500
=
Bracket,
Handle;
R
[All
except
L]
1
-18
*5800064800
Cabinet
Assy
[L]
1-19
*5555526000
Washer
[L]
1
-20
*5800060400
Cover,
Top;
Shieid
[L]
we
1-21
*5800059800
_
Sash,
Side;
L
[L]
~,
1
-22
*5800059900
=
Sash,
Side;
R
[L]
2-Fiber
Washer
(BLK)
1
-23
5138009000
Key
Unit
@)
4x
BISxt0.5
1
-24
5503187000
Cover
Assy,
Cassette
"8B
2-round
Washer
Head
M4x6
(BLK
Ni)
|
2)
3-8
M4x6(Ni)
M3x6
(Ni)
|
Nev
a
16
)
RTS
er”
M4x20
v
{U]
Uj]:
ULS.A.
(C]:
CANADA
[GE]:
GENERAL
EXPORT
[A]:
AUSTRALIA
[E]:
EUROPE
[UK]:
ULK,
{LJ}:
LIMITED
AREA
17
16
70
EE.
Abe

EXPLODED VIEW -2
os,
i
ee
PSA M265 eee
“M26 x4
Me.
{BLK Ni)
M2.6x4
(BLK Ni}
M2.6 44
(BLK Ni)
PSA
lie
| “\25a M26x5
720) PSA M2.6x5
18
EXPLODED VIEW -2
REF. NO.
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
P
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
P
2
2
2
2
2
2
2
2
toe 8 8 4 1
—_—
fae io Te oR Bop) orf GOA} =
’ 1
1 4
anh ek NQ—
enh oh oh od od db mh
woaonnn BW
NN ~ oO
NON NO NON
Ook WR
Wh NN
Ow COs
WW OO
WN
GG) Go G2 OG COnams
AhA Dw
WHO
af os
t
psy
mn
‘ t ‘ ‘ ' , ‘ ' 1
oI angh AA
tb By2Ssa OO ss
PARTS NO.
*5553285000
*5544958000
*5534612000
*5534613000
*5555655000
“5534615000
*5555582000
*5534638000
*5534844000
*5520333000
*5504669002
*5210010200
*5210022400
5142026000
*5544656000
*5555544000
*5524 197000
*5555535000
5504660001
5534617000
*5534448000
*5200018410
*5200018400
*5534444200
*552420 1000
*6555551000
*5800090600
*5800098500
*5555552000
5800063800
*$581055000
5800063700
*§555549000
*5524 200000
*5534606000
5504828001
*5800060100
*5524285000
*555553 1000
*5555530000
*550471 7000
*5581062000
5540055000
*5555533000
*5800064400
5569613000
5524141000
*5524208000
*§533 174000
5540056000
5800063300
5800063200
5534683100
*5504716000
*5555658000
5569606 100
5534614000
*§504714000
*5504715000
*5524202000
ae
Parts marked with “require longer delivery time than reguair parts.
DESCRIPTION
Holder, Cassette
Shaft, Lock Plate
Plate, Lock |
Guide, Cassette; L
Piate, Cassette Hoider
Spring, Cassette Pressure
Tape, Adhesive
Lens, Lamp
Shoe, Brake
Spring, Brake
Plate Assy, Brake; B
PCB, LAMP [VU]
PCB, LAMP [All except U}
Lamp, DC 6V 65mA
Shaft, Lever
Lever, Record Preventing; OD
Spring, Lever
Bracket, Counter Assy
Counter Assy
Belt, Counter
Mounting Rubber
PCB Assy, REED SW [Ail except U]
PCB Assy, REED SW [U]
Guide, Cassette -
Spring, Eject Arm
Arm, Eject
Holder Assy, Switch
Cushion, Reel
Arm, Eject Actuating
Pulley Assy, Reel; R
Screw, Shoulder
Pulley Assy, Reei; L
Arm, Eject Preventing
Spring, Arm
Arm, Pinch Roller
Arm Assy, Pinch Roller
Chassis Assy, Mechanism
Spring, Pinch Roller
Plate, Head Base; B
Plate, Head Base; A
Plate Assy, Head Base
Clamper, Cord; E
Steel Ball, $2
Plate, Pressure
Spacer, Erase Head
Head, Erase
Spring, Height Adj.
Spring, Tension
Arm, Tension
Steel Ball, 63
Table Assy, Reel; R
Table Assy, Reel; L
Guide, Cassette; L
Plate Assy, Head Mounting
Plate, Tension Adj.
Head, REC-PLAY
Guide, Cassette; R
Bracket Assy, Holder; L
Bracket Assy, Holder; R
Spring, Holder
[(U]: U.S.A, {C]: CANADA [GE]: GENERAL EXPORT
[A]: AUSTRALIA
{[L]: LIMITED AREA
{E]: EUROPE [UK]: U.K.
| GSK |
19

3X
Parts marked with *require longer delivery time than regualr parts.
EXPLODED VIEW - 3
REF.NO. PARTSNO. DESCRIPTION
*5504673000 Holder Assy, Damper; C
*5555555000_ = Bracket, Damper
5370000600 Motor Assy, Capstan; OC
*5800064600 Plate, Flywheel Base
“5534277000 ~=Bearing, Flywheel
EXPLODED VIEW - 3
*5200014100 PCB Assy, JOINT [U]
*5200014110 PCB Assy, JOINT [All except U]
5504757000 Flywheel Assy, Capstan
5163040000 Solenoid, B
5163039100 Solenoid, A
©OMO ~) o OhWA =
-10 5313000500 Solenoid
-11 *5555546000 Arm, Pressure; B
-12 *5581038000 Ciamper, Cord;.A
-13 *5800062600 Lever, Actuating
-14 “5524195000 Spring, Lever
- *5504666000 _ =—s Lever Assy, Pause Actuating
- 16 *5534611000 Arm, Pause Actuating
-17 *5800061900 Arm Assy, Actuating
- 18 *5504665000 Lever Assy, Actuating
- 19 *5524213000 Spring, Actuating; A
- 20 *5800065500_—séw Brackett Assy, Solenoid; B
-21 *5555543000 _~—s Bracket, Switch
-22 5130003000 Switch, Micro
- 23 *6534610000 Arm, Base Actuating
- 24 *5800062700 = Spring, Pulley Guide
- 25 *5800062900 Plate, Pulley Guide
- 26 *5504667000 ~=— Lever Assy, Pause
-27 *5524203000 Spring, Damper
- 28 *5788202100 String, Damper
- 29 *§5555556000 = Angie, Spring
Ww to Ww WWWWH WW Www Ww OO WW OO WW QS WWWWW
— an
- 30 *5800060100 Chassis Assy, Mechanism
-31 *6800062300 Sracket, Switch
-32 *5800062800 Spring, Cassette Pressure
- 33 *5800061600 Arm, Cassette Pressure
- 34 *5504670000 = Lever Assy, Eject
-35 *5524199000 Spring, Eject
- 36 *5800063000 Guide, Actuating Bar
-37 *5800062500 _—s Bar, Brake Actuating
- *5534130000 Washer, Oil Retaining
- 39 *5504091000 Housing Assy, Capstan
-40 *5550031000 Washer Thrust
- 44 5504808000 Pulley Assy, Fast Wind
- 42 *5524274000 = Spring, Arm
- 43 5800063100 Belt, Capstan Drive
- 44 5800062400 = Pulley, Motor
-45 *5504807001 =~ Plate Assy, Motor
- 46 7105135000 Motor Assy, Reel; DC
- 47 *5534537000 Collar, Rubber
Www Ww GO & WO OW WWW WW
& co
ad
[U]: U.S.A. [C]: CANADA {GE}: GENERAL EXPORT
[A]: AUSTRALIA [E]}: EUROPE [UK]: U.K.
[L]: LIMITED AREA

| "VA
Parts
marked
with
*require
longer
delivery
time
than
regualr
parts.
EXPLODED
VIEW
-4
EXPLODED
VIEW
-4
22
ee M3
2-W 45x 8 10K 10.2
KBlOKt0.8
2-WTT
M3xI0
ware
eS
Ds
REF.NO. PARTS NO.
4
Pat HSAHLAA AA
ALL HL A
ah HPABAA
AaAHDAALH hAL
ADAAH
- 4
MQ
1 ' ‘4
OMIM &w
1 '
> od od N= Oo
- 13
-14
-15
- 16
-17
- 18
- 19
- 20
- 21
+22
- 23
- 24
- 25
- 26
-27
- 28
- 29
- 30
- 31
- 32
- 33
- 34
- 35
- 36
-37
- 38
4.5128034000
4.5128075000
4.512861 7000
.4,5128036000
45350008300
*5534660000
*5534661000
5534118000
*5552381000
*5555063000
*5330505000
*5800088000
*5122225000
*5122282000
*5122166000
*6122167000
*5200013400
“5200013410
*5200013300
*5200013310
“5200013500
*5200013510
*5620013700
*5581038000
*5122169000
*5200013100
*5200013110
*5122165000
*5122284000
"5555565200
*51 22223000
"5122164000
.t.5134018000
.1.5134011000
-+ 5134009000
.t. 5052906000
t.5052907000
.1.5052911000
.$.5267702500
*5555561000
"5122168000
*5200013201
*5200013210
5150223000
*555326910%
5282406302
*5300019500
*5200013900
*5200013910
5282250201
5282250101
5504713000
*5800059300
"5555646000
DESCRIPTION
Cord, AC Power [GE, L]
Cord, AC Power [U, C]
Cord, AC Power [E]
Cord, AC Power [UK]
Cord, AC Power [A]
Strain Relief, AC Power Cord
[Atl except UK]
Strain Relief, AC Power Cord [UK]
Rivet, Push
Panel, Rear
Washer, GND
Plug, 2P; Shorting
Cover, Shield
Connector, Socket; 6P (BLK)
Connector, Socket; 4P (RED}
Connector, Socket; 4P (WHT}
Connector, Socket; 5P (WHT)
PCB Assy, IN/OUTPUT [U]
PCB Assy, IN/OUTPUT
[All except U]
PCB Assy, IN/OUTPUT (D8X} [Ui]
PCB Assy, iIN/OUTPUT (DBX})
[All except U]
PCB Assy, REMOTE [U]
PCB Assy, REMOTE [Ail except U]
Socket Assy, 6P
Clamper, Cord: A
Connector, Socket; 7P (WHT)
PCB Assy, REC-PLAY AMPL [U]
PCB Assy, REC-PLAY AMPL
[All except U]
Connector, Socket; 3P (WHT)
Connector, Socket; 6P (RED)
Angle, PCB
Connector, Socket; 4P (BLK)
Connector, Socket; 2P {WHT}
Switch, Power [U, C]
Switch, Power [E, UK, A]
Switch, Power [GE, L]
Spark Killer,
0.033 wF + 1209:/250V [U]
Spark Killer,
0.01 uF + 3002/400V [GE, L]
Spark Kiiler,
0,033 nF + 1202/250V [C}
Spark Killer,
0.0047 uF /250V [E, UK, A]
Bracket, Power Switch
Connector, Socket; 6P (WHT)
PCB Assy, MIC JACK [U]
PCB Assy, MIC JACK
[Ail except U]
Var. Res., 100k (A}
Chassis, L
Var. Res., 20k2 x 2 {A)
Switch, Push; 6-2. .
PCB Assy, SW [U}
PCB Assy, SW [All except U]
Var. Res., 250k2(B)
Var. Res., 50k (B)
Knob, Push Switch; K
Bracket, SW PCB
Bracket, Lever Switch
[U]: U.S.A. [C]: CANADA
[A]: AUSTRALIA [E): EUROPE
[L]: LIMITED AREA
REF. NO.
PARTS NO.
*5555913000
*6524082000
*5168899000
*§504568000
*5504710001
"5504569200
"5555912000
*5554653200
5165053100
*5524124000
*5800064900
*5800059200
5124022000
*5200013700
*5200013710
5133019000
5534431000
*5534422100
*5786360500
*5200013600
*5200013610
"5504676000
*5551031200
*5502228000
*5200014002
*5200014012
*6555951001
*5033291000
5231755100
*5317000300
5231755500
"5033295000
*5553353100
*5555060000
*5168548100
A,§152182100
45152184000
‘5152215000
"5555626000
*5168973200
DESCRIPTION
Mask, C
Spring, LEO; B
PCB Assy, LED
Gear Assy, A
Bracket, Var. Res.
Gear Assy, Friction
Mask, B
Bracket, Meter
Meter, Peak Level
Spring, GND
Chassis, Front
Bracket, Switch
Jack, PHONES
PCB Assy, SW (MEMORY) [U]
PCB Assy, SW (MEMORY)
[Ail except U]
Switch, Rotary; 2-3
Button, B
Rod, Power Switch
R Pin, $5
PCB Assy, SW (TIMER) [U]
PCB Assy, SW (TIMER)
{AH except U]
Foot
Chassis, R [All except L]
Chassis Assy, R (UL)
PCB Assy, POWER SUPPLY [{U]
PCB Assy, POWER SUPPLY
[Ail except U}
Heat Sink
Plate, Insulating
Transistor, 2SD880Y
Plate, Insulating
Transistor, 250985
Tube, Insulating
Bracket, Transformer
Bracket, B [GE, L]
PCB Assy, VOLTAGE SELECTOR
[GE, t]
Transformer, Power [U, C]
Transformer, Power [E, UK, A]
Transformer, Power (GE, L]
Washer, Transformer
PCB Assy, FUSE [E, UK, A]
[GE]: GENERAL EXPORT
[UK]: ULK.

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R504 330k
R503 3.3k
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JOINT PCB ASSY

3x | 3x
LEVER
SWITCH
PCB
ASSY
REC-PLAY
AMPL
PCB
ASSY
REF.NO.
PARTSNO.
DESCRIPTION
REF.NO.
PARTSNO.
DESCRIPTION
REF.NO.
PARTSNO.
DESCRIPTION
5200013900
PCB
Assy
[UJ
R358,
R458
5183120000
3OkKSz
5200013100
PCB
Assy
[U]
5200013910
PCB
Assy
[All
except
U}
R359,R459
5183128000
B2k2.
5200013110
PCB
Assy
[All
except
U]
R360, R460 5183104000 8.2k2
5210013900
PCB
[U}
5210013100
PCB
[U]
R361,R461 5183128000 82k2
5210022000
PCB
[All
except
U]
R362,
R462
5183098000
4,7k2
5210021200
PCB
[Ail
except
U]
IC*s IC's
REF. NO. PARTSNO. DESCRIPTION
R116,R216 5183064000 1802
R117,R217 5183064000 1802
R118,R218 5183082000 1kQ
R119,R219 5183118000 33kQ
R120,R220 5183058000 1002
R363, R463 5183070000 3302
R121,R221 65183118000 33k2
CAPACITORS
R122,R222
5183042000
222
U301,U401
5147040000
NE645B
U101,U201
5147040000
NE645B
R123,R223
5183094000
3.3k2
U362
5220405200
LM13600
C301
5173054800
Elec.
220uF
16V
U102
5147074000
LA4170
R124,R224
5183122000
47kQ
U303
5220405300
LM324
C302
5173071800
Elec.
470uF
10V
U104
5147024000
JRC45580F
R125,R225
5183137000
200k
C303,C403
5173733000
Polypro.
0.0012uF
100V
5%
U607
5147047000
M54410P
TRANSISTORS
C304,
C404
5173553800
Elec.
O0.33uF
50V
R126,R226
5183140000
270kKN
TRANSISTORS
Q101,0201 5145119000 2SC1844F
Ri27,R227 5183066000 22022
R128,R228 5183082000 1k2
R129,R229 5183130000 100k2
C305, C405 5173735000 Polypro. 0.0018uF 100V 5%
Q301,Q401 5145178000 2SC1684S
Q302,0402 5145178000 2SC1684S
C306,C406 5172324000 Ceramic 0.001uF S50V 10%
Q303
5231755500
2S0985
C307,C407
5173561800
Elec.
3.3uF
25V
Q102,Q202
5042461000
25C1327T
R130,R230
5183112000
18k2
C308,
C408
5172324000
Ceramic
0.001uF
50V
10%
Q103,0203
5145185000
2SD655E
DIODES
C309,
C409
5173561800
Elec.
3.3uF
25V
Q104,0204
5145086000
25C1636-2
R131,R231
5183048000
392
C310,C410
5170419000
Mylar
O.0056uF
100V
5%
Q105,Q205
5042461000
28C1327T
R132
5184225000
102,
Non
Flammabie
D301
5143198000
Zener,
EQA01-13R
R133,R233
5183082000
1kQ
D302
~
D304
5143178000
1S2473HJ
C317,
C414
5170435000
Mylar
0.027uF
100V
5%
0106,Q206
5145178000
2SC1684S
R134,R234
5183128000
82k2
D305
5143184000
Zener,
EQA01-06S
C312,
C412
5170417000
Mylar
0.00474F
100V
5%
Q107,Q207
5145183000
FET,
2SK68AMI
R135,R235
5183120000
39k2
Q108, G208 5145086000 2SC1636-2
Q109,Q209 5145110000 2SC1637-1
Q110 5145132000 2SA933LNS
€313,C413 5173010800 Elec. 10uF 16V
C314,C414 5173010800 Elec. 10uF 16V
C315,C415 5170441000 Mylar 0.047uF 100V 5%
CARBON RESISTORS
R136, R236 5183150000 680k
All resistors are rated +5% tolerance and “watt.
R137,R237 5183098000 4.7k2
R138,R238 5183106000 1Ok2
R301,
R401
5183101000
6.2k2
C316,
C416
5170449000
Mylar
O.1nF
100V
5%
Q111
5145178000
2SC1684S
R139,R238
5183082000
1k2
R302,
R402
5183101000
6.2k2
C317,C417
5260225812
Elec.
0.33uF
50V
10%
Q112
5145132000
2SA933LNS
R140,R240
5183038000
152
R303,R403
5183086000
1.5k2
C318
5172316000
Ceramic
220pF
50V
10%
Q113
5145178000
2SC1684S
R304,
R404
5183098000
4.7kQ
C319
5173010800
Elec.
10uF
16V
Q114
5145082000
2SC20600
R141,R241
5183096000
3.9k2
R305,
R405
5183066000
2202
C320,
C420
5172996800
Elec.
2.2uF
50V
0115
5145178000
2SC1684S
R142,R242
5183114000
22k2
R143,
R243
5183082000
1k2
R306
5183066000
2202
C321
5170425000
Mylar
O.0inF
100V
5%
0116,Q0216
5145185000
2SD655E
R144,R244
5183146000
470k2
R307
5183086000
1.5k2
C322,
C422
5054330000
Dip.
Mica
150pF
SOV
10%
Q117,Q217
5145178000
2SC1684S
R145,R245
5184249000
1002,
Non
Flammable
R309,R409
5183082000
k2
C323,C423.
5173734000
Polypro.
0.0015uF
100V
5%
Q118,Q218
5145132000
2SA933LNS
R310,R410
5183058000
1002
C324,C424
5173010800
Elec.
1OuF
16V
Q601,Q602
5230770700
2SC1841E
R146,R246
5183710000
15kQ
R311,R411
5183118000
33k2
C325
5173046800
Elec.
100uF
625V
Q603,Q604
5145091000
2SC945AK
R147
5183106000
=
10k
R148 ~R151 5183130000 100k
R312,R412
5183058000
1002
C326
5172312000
Ceramic
100pF
50V
10%
Q605
5230770700
2SC1841E
R152
5183128000
82k
R313,R413
5183118000
33k2
C330,
C430
5170421000
Mylar
0.0068uF
100V
5%
Q606
~
Q609
5145091000
2SC945AK
R153
5183098000
=
4.7k
R314,R414
5183118000
33k
C331,C431
5170427000
Mylar
0.012uF
100V
5%
Q610
5042553000
2SA733P
R315,R415
5483042000
222
C332,
C432
5170427000
Mylar
0.012uF
100V
5%
0611
~
0614
5145091000
2SC945AK
R154
5183114000
22k82
R316,R416
5183094000
3.3k2
C333,
C433.
5170423000
Mylar
0.0082uF
100V
5%
R155
5183130000
100k2
DIODES
R156
5183110000
TOkLt
R377,R417
5183122000
47k
C334,
C434
5170429000
Mylar
0.015uF
100V
5%
R157
5183106000
1OkQ
R318,R418
5173136000
200k?
C335,
C435
5170419000
Mylar
0.0056uF
100V
5%
D101,0201
5143198000
Zener,
EQA01-13RF
R158
5183098000
4.7k2
C336,
C436
5170421000
Mylar
O.0068uF
100V
5%
D102,0202
65143118000
1$2473HJ
R319,R419 5183122000 47k2
D601 ~ 0604 5224012510 152076
R320,R420 5183140000 270k2
R159 5183114000 22kQ
R321
5183130000
100k
VARIABLE
RESISTORS
D605
5143143000
Zener,
RD4.3E
R160
5183010000
12
D606
~
D608
5224012510
1$2076
R161
5183086000)
1.5kN
R322
5183152000
820k2
R36,
R37
5280004002
Semi-fixed
50k!2(B)
D609
5143143000
Zener,
RD4.3E
R162
5183110000
15kQ
R323
5183114000
22k22
D610
5224012510
1S2076
R163,
R263
5183126000
68kQ
R324,R325 5183106000 10k2 COILS
R326,R327
5183130000
100k2
_
CARBON
RESISTORS
R164,R264
56183118000
33k2
R328
5183082000
1k2
L301,
L401
5286000400
Choke,
8mH:
Variable
Ail
resistors
are
rated
+5%
tolerance
and
%
watt.
R165,R265
5183122000
47kQ
R166,R266 5183106000 10k
R329
5183084000
1.2k2
SWITCHES
R101,
R201
5183126000
68k2
R167,R267
5183138000
220k2
R330
5183098000
4.7kQ
R102,
R202
5183122000
47kQ
Ri68,R268
5183104000
8.2kNn
R331
5183138000
220kK2
$1
5300510200
Lever,
2-2
R103,R203
5183034000
102
R332,
R432
5183066000
22022
$2
5300510700
Lever,
6-3
R104,R204
5183058000
1002
R169,R269
5183130000
100kQ
R333,
R433
5183106000
10k2
$3
5300510600
Lever,
4-3
R105,R205
5183118000
33kK2
R170,R270
5183058000
1002
$4
5300511500
Lever,
10-2
R171,R271
5183094000
3.3k
R334
5183138000
220k
S5
5300511600
Lever,
10-3
R106,R206
5183098000
4.7kR
R172,R272
5183122000
47k
R335
5183110000
15k2
S6
5300510600
Lever,
4-3
R107,R207
5183140000
270k2
R173,R273
5183118000
33kQ2
R336,R436
5183090000
2.2k2
R108,
R208
5183072000
3902
R337,R437
5183106000
10k2
MISCELLANEOUS
R109,R209
5183098000
4.7k2
R174,R274
5183090000
2.2k2
R338,
R438
5183150000
680k2
R110,R210
5183082000
1k2
R175,R275 5183118000 33k2
Ri76,R276 5183096000 3.9k2
R177,R277 5183122000 47kQ
R178,R278 5183122000 47kn
U305, U405 5292802600 Filter, Low-pass
R340,R341 5183130000 100k2
R355, R455 5183060000 12022
R356, R456 5183050000 472
R357,R457 5183062000 1502
Ri11, R271 5183104000 8.2k2
R112,R212 5183114000 22k2
R113,R213 5183130000 100k2
R1i14,R214 5183094000 3.3k2
R115,R215 5183094000 3.3k2
R178,R279 5183114000 22k2
R180,R280 5183098000 4.7k2
R181,R281 5183108000 12k2
{(U]:
US.A.
[C]:
CANADA
[GE]:
GENERAL
EXPORT
{U]:
U.S.A,
[C}:
CANADA
[GE]:
GENERAL
EXPORT
[A]:
AUSTRALIA
[E]:
EUROPE
[UK}:
U.K.
{A]:
AUSTRALIA
[E]:
EUROPE
[UK]:
UK,
iL]:
LIMITED
AREA
(L]:
LIMITED
AREA
28
ime
29
itPen,
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€=3X |
POWER SUPPLY PCB ASSY
PARTS
NO.
DESCRIPTION
PARTS
NO.
DESCRIPTION
REF.
NO.
PARTS
NO.
DESCRIPTION
PARTS
NO.
DESCRIPTION
5170401000
R12,
R22
5280004002
Semi-fixed
50k2(B)
5200014001
PCB
Assy
[U]
5173054800
R13,
R23
5280004302
Semi-fixed
200kS2(B}
5200014011
PCB
Assy
[All
except
U]
5173053800
R14,
R24
5280004202
Semi-fixed
100k22(B)
5173552800
R15,
R25
5280004202
Semi-fixed
100k2(B)
5210014001
PCB
[U]
5170407000
R16,
R26
5280004002
Semi-fixed
50k2(B)
5210022101
PCB
[All
except
U]}
R17, R27 5280004002 Semi-fixed 50k2(B)
5054745000
R18,
R28
5280004002
Semi-fixed
50k2(B)
TRANSISTORS
5172324000
5173561800
COILS
Q501,Q502
5231755500
2SD985
5170419000
L101,
L201
5160107000
Choke,
1200uH
Q505
5231755100
2SD880Y
L102, L202 5286001100 Choke, 38mH Q506 5145091000 2SC945AK
5170435000
L103,L203
5286001200
Trap,
12mH
Q507
5231755500
2SD985
5170417000
1104,L204
5286001000
Choke,
3.imH;
Variable
5173010800
L105
5160151000
Choke,
1.2mH
Q508
5042553000
2SA733P
5173010800
Q509,0510
5230505300
258750
5170441000
MISCELLANEOUS
Q511
5230770700
2SC1841E
Q512,0513 5231755500 2SD985
is
U103
5292200300
OSC
Unit,
100kHz
Q0514,Q515
5230505300
2SB750
Boo,
eG
2
Bs
oseuay
epecoaeaie
P1
5122126000
Connector
Plug,
2P
(WHT)
5173556800
P2
5122130000
Connector
Plug,
6P
(WHT)
Q516
5230770700
2SC1841E
5173010800
P3
5122127000
Connector
Plug,
3P
(WHT)
Q517
5231755100
2SD880Y
5173010800
P4
54722128000
Connector
Plug,
4P
(WHT)
Q518
5230505300
258750
Q519 ~ Q521 5145091000 2SC945AK
R612
~
R614
5183112000
5173054800
P5
5122301000
Connector
Plug,
4P
(RED)
Q522
5042553000
2SA733P
5173044800
PG
5122303000
Connector
Plug,
6P
(RED)
R618,
R619
5183106000
5173005800
P7
5122187000
Connector
Plug,
6P
(BLK)
DIODES
5173005800 P32 5122130000 Connector Plug, 6P (WHT}
5173550800
P9
5122185000
Connector
Piug,
4P
(BLK)
D501,D502
5224012510
1$2076
P10
54122127000
Connector
Plug,
3P
(WHT)
D503
5224013210
0S135D
R622,
R623
5183112000
5173019800
P11
5122131000
Connector
Plug,
7P
(WHT)
DS504,D505
5224012510
182076
5173037800
D506
5224013210
DS135D
5173507800
D507
~
D511
5224012510
182076
5173560800
5173554800
D512
5143059000
Zener,
RD13EB
D513,0514 5224012510 12076
5173560800
D515
~
D517
5224013210
0S135D
5170455000
D518,D519
5143153000
Zener,
EQA01-06R
5173729000
DS21
5224012510
182076
5173554800
D531
~
D534
5224013210
DS135D
5173052800
D541
~
D544
5224013210
DS135D
R640
5183062000
C143,C243
5173481800
Elec.
3.3uF
25V
__
CARBON
RESISTORS
R641
5183100000
=
5.6k2
C144,C244
5173731000
Polypro.
820pF
100V
5%
All
resistors
are
rated
+5%
tolerance
and
%
watt.
R642
5183092000
2.7k2
C145,C245
5173728000
Polypro.
470pF
100V
5%
R643
5183116000
27kQ
C146,C246
5173010800
Elec.
1OuF
16V
R501
5183112000
18k2
R644
5183062000
1502
C147
5173010800
Elec.
10uF
16V
R502
5183086000
1.5kQ2
R503 5183094000 3.3k2
R645
5183116000
C148,C248
5173734000
Polypro.
0.0015uF
100V
5%
R504
5183142000
=
330k2
R646
5183100000
=
5.6k2
C149,C249
5173010800
Elec.
10uF
16V
R505
5183100000
=
5.6k2
R647
5183078000
6802
€150,C250
5173010800
Elec.
10uF
16V
R648
~
R650
5183104000
8.2k2
C151,C251
5170411000
Mylar
0.0027nF
100V
5%
R506
5183142000
=
330k2
R651
5183086000
1.5kQ
C152
5173550800
Elec.
O.1uF
50V
R507
5183094000
3.3kS2
R508 5183112000 18kQ
R652
5183074000
C153
5172344000
Ceramic
0.047uF
50V
10%
R509
5183076000
5602
R653,
R654
5183106000
10k2
C154,C254
5173010800
Elec.
10uF
16V
R510
5183074000
47082
R655
5183086000
1.5k2
C601
~
C605
5172336000
Ceramic
O.01uF
50V
10%
R656,
R657
5183110000
15k2
C606
5173010800
Elec.
10zF
16V
R511
5183110000
15k&2
R658
5183086000
1.5k2
C607
5172336000
Ceramic
0.01nF
50V
10%
R512
5183104000
B.2k2
R513 5183098000 4.7k2
R659
5183110000
C608
5054230000
Ceramic
0.047uF
R514
5183086000
1.5k2
R660
5183112000
18k2
C609
5173027800
Elec.
33uF
R515
5183090000
2.2kQ
R661
5183100000
§.6k2
C610
5173053800
Elec.
220RF
R662
5183046000
332
C611
5172992800
Elec.
Tur
R516,R517
5183110000
15kN
C612
5173035800
Elec.
47
uF
R518
5183114000
22k
CAPACITORS
3
R519
5183086000
1.5k2
THERMISTORS
R520,R521
5183106000
10k
C101,C201
5173027800
Elec.
47uF
6.3V
_|
R522,R523
5183096000
3.9k2
C102,C202
5171684000
Dip.
Tant.
15uF
6.3V
RT10,RT20
5143127000
s5c14
C103,C203
5173587800
Elec.
47uF
6.3V
RT11,RT21
5143127000
$5C14
R524
5183106000
10k2
C104,C204
5170425000
Mylar
0.01uF
100V
5%
R525
5183110000
15kQ2
C105,C205
5172304000
Ceramic
22pF
50V
10%
VARIABLE
RESISTORS
R526
5183102000
=
6.
8k
C106,C206
5173552800
Elec.
0.22uF
50V
R527
5183092000
2
7kK
€107,C207
5170409000
Mylar
0.0022uF
100V
5%
R10,
R20
5280004002
Semi-fixed
50k2(B)
R528
5183110000
15k2
R11,
R21
5280004002
Semi-fixed
SOk2(B)
[U}:
U.S.A.
[C}:
CANADA
(GE]:
GENERAL
EXPORT
;
(U]:
U.S.A.
[C]:
CANADA
[GE]:
GENERAL
EXPORT
[A]:
AUSTRALIA
.
[E]:
EUROPE
[UK]:
U.K.
5
[A]:
AUSTRALIA
[E}:
EUROPE
{UK]:
U.K.
:
[L):
LIMITED
AREA
:
[L]:
LIMtTED
AREA
,
Ban iad
»s

| €-3X
REMOTE
CONNECTOR
PCB
ASSY
(PC
Board
Omitted)
| @3x |
IN/OUTPUT TERMINAL PCB ASSY (DBX)
MIC
JACK
PCB
ASSY
(PC
Board
Omitted)
REF.NO.
PARTSNO.
DESCRIPTION
REF.NO.
PARTSNO.
DESCRIPTION
REFNO,
PARTSNO.
DESCRIPTION
REFNO:
2
-
PARTSNO.
_
DESCAITION
5200013300
PCB
Assy
[U]}
5200013500
PCB
Assy
[U]
R529
5183086000
=—«-:1.5k2.
5200013200
PCB
Assy
[U]
R530
5183090000
22k2
5200013210
PCB
Assy
[All
except
U]
5200013310
PCB
Assy
[All
except
U]
5200013510
PCB
Assy
[All
except
VU}
R531
5183110000
15k2
5210013300
PCB
[U]
5210013500
PCB
[U}
R532
~
R534
5183106000
10kQ
5210013200
PCB
[U]
R535
5183096000
3.9k2
5210021300
PCB
[All
except
U]
6210021400
PCB
{All
except
UJ
5210021600
PCB
[All
except
U]
R536
5183106000
10k2
TRANSISTORS
R365,
R465
5183118000
Resistor,
Carbon
33k2
5%
%W
5122336000
Connector
Socket,
12P
R537
5183110000
15k2
R538
5183096000
—
3.9k
Q0310,0410
5145119000
2SC1844F
R539
5183106000
10k2
R540
5183090000
=
-.2.2k2
_.
CARBON
RESISTORS
All
resistors
are
rated
+5%
tolerance,
%
watt.
R541,
R542.
5183098000
4.7k2
R543
5183090000
—s-2.2k2
R370,R470
5183130000
100k
R544
5183102000
6.8k2
R371,
R471
5183114000
22k2
R545
5183110000
15kQ
R372,R472
5183146000
470ks2
;
;
R546
5184233000
222,
Non
Flammable
R373,R473
5183034000
102
IN/OUTPUT
TERMINAL
PCB
ASSY
(PC
Board
Omitted)
REED
SWITCH
PCB
ASSY
(PC
Board
Omitted)
R374,R474
5183050000
472
R547
5183102000
6.8k2
REF.
NO.
PARTS
NO.
DESCRIPTION
PARTS
NO.
DESCRIPTION
R548,
R549
5183130000
100k2
R375,R475
5183070000
3302
F550
5183104000
s-
B.2kQ
R376,R476
5183108000
12k2
5200013400
PCB
Assy
[U]
5200018400
PCB
Assy
[U]
R551
5183106000
10k
92
R377
5183082000
1kQ
5200013410
PCB
Assy
[All
except
U]
5200018410
PCB
Assy
[Ali
except
U]
R552
5183066000
2202
R378,R478
5183730000
100k2
5210013400
PCB
[U]
5210018400
PCB
{U}
R553
5183136000
180k2
CAPACITORS
5210021500
PCB
[All
except
U}
5210022500
PCB
[Ali
except
U]
R554
5183106000
10kQ
R555
5183112000
18k2
C370,C470
5173037800
Elec.
47uF
R379,
R479
5183120000
Resistor,
Carbon
39k2
5%
%W
5138006000
Switch,
Reed
R556
5184225000
102,
Non
Flammable
C371,C471
5173571800
Elec.
10uF
P13
5122129000
Connector
Plug,
SP
(WHT}
5054802400
Capacitor,
Mylar
R557
5183110000
15k2
C372,C472
5172316000
Ceramic
220pF
0.01uF
100V
10%
R559
5183310000
5.6k2
C373,C473
5173044800
Elec.
100uF
C374,C474
5173564800
Elec.
4.7uF
CAPACITORS
MISCELLANEOUS
C501,C502
5054230000
Ceramic
0.047uF
50V
10%
C503
5173072800
Elec.
470uF
16V
5122149000
Connector
Plug,
6P
C504
5173053800
Elec.
220uF
10V
C505
5173045800
Elec.
100uF
16V
C506
5173082800
Elec.
1000nF
25V
:
:
:
SWITCH
PCB
ASSY
(MEMORY)
(PC
Board
Omitted)
C507
5173010800
Elec.
10uF
16V
C508
5173006800
Elec.
4.7uF
50V
REF.
NO.
PARTS
NO.
DESCRIPTION
C509
5173044800
Elec.
100uF
10V
C510
5173035800
Elec.
47uF
10V
5200013700
PCB
Assy
(Memory)
[U]
C511
5173072800
Elec.
470nF
16
5200013710
PCB
Assy
(Memory}
{AN
except
U]
C512
5173036800
Elec.
47uF
16V
JOINT
PCB
ASSY
a
Pon
eoaae
cies
C513
5173084800
Elec.
1000uF
50V
521001370
CB
(Memory
C514
5173082800
Elec.
1000uF
50V
REF.
NO.
PARTSNO.
DESCRIPTION
5210021800
PCB
(Memory)
[All
except
U}
C515
5173013800
Elec.
10uF
50V
C516
5173006800
Elec.
4.7uF
50V
5200014100
PCB
Assy
[U]
5145981000
Transistor,
2SC945AK
5200014110
PCB
Assy
[All
except
U]
5183086000
Resistor,
Carbon1.5k2
5%
“%W
C517
5173073800
Elec.
A70uF
6.25
5183076000
Resistor,
Carbon
5608
5%
%W
C518
5173048800
Elec.
100uF
50V
5210014100
PCB
[U]
5133019000
Switch,
Rotary:
2-3
C519
5172992800
Elec.
1uF
©650V
5210022300
PCB
[All
except
U]
C520
5173084800
Elec.
1000uF
50V
C521
5173588800
Elec.
47uF
10V
TRANSISTOR
C522
5172992800
Elec.
nF
§6S0V
5230772100
2SC2270A-B
C523
5173053800
Elec.
2201F
10V
C524
5173071800
Elec.
470uF
10V
DIODES
C525
5173044800
Elec.
100uF
10V
C526
5173028800
Elec.
33uF
25V
D693
~
D695
5224013210
DS135D
C527
5173084800
Elec.
1000uF
SOV
CARBON
RESISTORS
SWITCH
PCB
ASSY
(TIMER)
(PC
Board
Omitted)
5183076000
5602
5%
KW
REF.
NO.
PARTS
NO.
DESCRIPTION
5183038000
SOCh
SG
AW
5200013600
PCB
Assy
(Timer)
[U]
CAPACITORS
5200013610
PCB
Assy
(Timer)
[All
except
U]
|
5210013600
PCB
(Timer)
[U]
Cc Cc
;
691,
C692
A
set
is
pase
5210021700
PCB
(Timer)
{All
except
U]
D691,D692
5224012510
Diode,
1S$2076
_
MISCELLANEOUS
S692
5133019000
Switch, Rotary:
2-3
5122163000
Connector
Plug,
10P
(WHT)
5122748000
Connector
Plug,
5P
(WHT)
9122147000
Connector
Piug,
4P
(WHT)
[U]:
U.S.A.
[C]:
CANADA
[GE]:
GENERAL
EXPORT
[UJ:
USA.
[C]:
CANADA
[GE]:
GENERAL
EXPORT
s
[A]:
AUSTRALIA
[E]:
EUROPE
fuK]:
U.K.
[A]:
AUSTRALIA
[E]:
EUROPE
[UK]:
ULK.
2
[L]:
LIMITED
AREA
[L]:
LIMITED
AREA
o

C3X |
JRC4598DF
(TOP VIEW)
Tq, b8
q t
4q P 5
2SA733P
2SAS933LNS
2SC 1636-2
2SC1637-1
TABLE OF SEMICONDUCTORS
LA4170 LM13600
{TOP VIEW) (TOP VIEW)
28C1327T
2SC1684S
2SC1841E
2SC1844F
2SC945AK
2SD655E
2SA934R
2SC2270A-B 2SK68AM1
2SD985
S
°
D
k
Gs
LM324 M54410P NE6458
{TOP VIEW) (TOP VIEW) (TOP VIEW)
HX CONTROL CIRCUIT
1 NORMAL
2.Col CrO2) 3.ME TAL
eos —--—@---~-—~—
2SC20600 . 288750 2SD880Y
2 STANMRDLSPEED| [BIAS |
BLOCK DIAGRAM
RECORD
HEAD
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ped
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