Panasonic RX-C45LS User manual

ORDER NO. RD83072113A2
Service
Manual
Radio Cassette
Portable Component System with 4-Band Radio RX-C45 LS
[ ePlease use this manual together with the service manual forme 7 ator No RNB3052107C2.
eThis Service Manual indicates the main differences between; O1 a oe 370045 ae
BRRVIOCE MANUAL noe oe
m@ PARTS COMPARISON TABLE
_ Part Number Pes/
Ref. No. Description AX-C45LS AX-C45LS Set Remarks
_ asthe (RD83052107C2) F.R. Germany
L7 Oscillator Coil, FM RLD4Y43 RLO4N168 1 a
L309, 310 Choke Coil — RLQZZ4701 2 Added
CT9 “I tinier Capacitor | Rcvetz3210 1 Added
K1 Front Cabinet Ass’y (Silver) RYM1XC45LSX7 —- Deleted
[Kt Front Cabinet Ass’y RYM1XC45LSX1 RYM1XC45LSZ1 {
[Ko Rear Cabinet Ass'y (Silver) RYFXC45LSXG7 Deleted
K2 RYFXC45LSXG1__ | RYFXC45LSXZ1 _eae
E ae Fn ay he) reverev@s[ P| |
K4 RYQXC45LSXG1 Deleted
Battery Compartment (Silver) RKK244294 Deleted
Front Speaker Cabinet
RYM2XC45LS94 Deleted
Ass’y (Silver)
Cover, Speaker Cabinet
RKF6412Z94 Deleted
(Left) (Silver)
Cover, Speaker Cabinet
RKF641Y94 Deleted
(Right) (Silver)
V4 W 1.2 kQ
Carbon, ERD25FJ152 ERD25FJ122
at Ceramic, 50 V, 18 pF ECCD1H150KC ECCD1H180KC 1
cg Ceramic, 50 V, 33 pF ECCD1H220KC ECCD1H330KC 1
C11 Ceramic, 50 10 pF ECCD1H150KC ECCD1H100KC
C51 Ceramic, 50 2 pF ECCD1H020C Deleted
C52 Ceramic, 50 100 pF ECCD1H101K Deleted
C53 Ceramic, 50 2 pF ECCD1H020C
C55 Ceramic, 50 7 pF ECCD1H070DC
ECKD1H102ZF 1
Ceramic, 50 0.001 uF
C346
i
|
=
a
2
Panasonic
Matsushita
Electric
Trading
Co.,Ltd

RX-C45LS
@ SCHEMATIC DIAGRAM
[Model RX-C45LS]
RD83052107C2
Addition
[Model RX-C45LS] [Model RX-C45LS] [Model RX-C45LS]
RD83052107C2 F.R. Germany F.R. Germany
@ CIRCUIT BOARD AND WIRING CONNECTION DIAGRAM
[Model RX-C45LS] t
RD83052107C2
Addition
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[Model RX-C45LS]
F.R. Germany
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[Model
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[Model
RX-C45LS]
RD83052107C2
F.R.
Germany
Deletion
[Model RX-C45LS]
RD83052107C2
POWER.
«TRANSFORMER
[Model RX-C45LS]
RD83052107C2
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Addition
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[Model RX-C45LS]
F.R. Germany
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SELECTOR
[Model RX-C45LS]
F.R. Germany
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" RX-C45LS
m@ MEASUREMENTS AND ADJUSTMENT
SIGNAL GENERATOR or INDICATOR
BAND SHEEr GENEHAIS Hee: | AELECTRONICS | ADJUSTMENT REMARKS
CONNECTIONS | FREQUENCY
FM-RF ALIGNMENT
Variable Output meter L7 (FM OSC (*2) Adjust for maxi-
87.5 MHz capacitor across Coil) mum output.
fully closed. voice coil.
Connect to test point Variable
V through FM dummy capacitor " CT3 (FM OSC "
antenna. Negative fully open. Trimmer)
side to test point Y .
aa “Ste
106 MHz CT2 (FM ANT mum output.
Trimmer) Repeat steps
(3)~(6).
RADIO DIAL
SETTING
ADJUSTMENT REMARKS
(*2) Three output responses will be present; proper tuning is the center frequency.
j {Model RX-C45LS]
SIGNAL GENERATOR or INDICATOR
BAND SWEEP GENERATOR (ELECTRONICS
VOLTMETER
or SCOPE
Variable Output meter L7 (FM OSC (*2) Adjust for maxi-
87.5 MHz capacitor across Coil) mum output.
fully closed. voice coil.
Variable
108 MHz capacitor ” CT3 (FM OSC "
fully open. Trimmer)
Coil)
CT2 (FM ANT 7”
RD83052107C2
FM-RF ALIGNMENT
Variable
¥2)
Adjust
for
maxi-
Connect to test point
V through FM dummy
antenna. Negative
side to test point VY .
(7) FM acitor CT9 (FM OSC mum output.
fully
open.
Trimmer)
Repeat
steps
(3)~(7).
(*2) Three output responses will be present; proper tuning is the center frequency.
[Model RX-C45LS]
F.R. Germany
@ ALIGNMENT POINTS = +Please refer to Circuit Boad and Wiring Connection Diagram which is located test poits.
LW_ANT LW ANT
285kHz SW ANT 285kHz SW ANT
©
(©
oui
Sonne
CTs
©
(OMSreT
LW OSC u4 C3 | Lw osc t4
Lw osc Se een aes . L3 Lw osc — Berea
(36 kHz —_— ™ IB6kHz “PRN
[ia | a cT7 || ra CT?
FM ANT ~~ FM ANT
9OMHz 9OMHz
if a iucese
St
lkHz
©
L2
LS
SIL
kHz
®
L2
J
Ls
F FM ANT FM ANT --~-~~
Ls
/-+(Q
LW
ANT
WW
1O6MHz
ted
{
@
Lw
ANT
WW
1O6MHz
|
eM
osc
|
145kHz
oie
Ian
kie
CT2]
!108Mnz
|
swosc @(@ swosc @) [er2] i
16.8 MHz 18.8 MHz pera \
Cte MW ANT ° map cTe Mw ANT ° Cp mme !
0
5.75 MHz 5.75 MHz
ore [cr3] FM OSC T2 Crs Ler3] FM OSC
t—__J ISOOkHz ule SS FM lst
LIO cTl : I LIo cTl : 7
Beare
me
(oh)
S
Gel
ee
©
Qik
to
fe
T2
MW OSC FM OSC 87.5MHz MW OSC FM OSC 87.5MHz
AM_IFT JGS5OkHz 1O8MHz AM IFT 1650kHz {O8MHz
455kHz 455kHz
@ @
FM 2nd lOknz FM 2nd lout Addition
10. 7MHz VRI 10. 7MHz VRI
|
[©
)}-—73]
{©
T3
[Model RX-C45LS] [Model RX-C45LS]
RD83052107C2 F.R. Germany

|
IRX-C45LS
DEUTSCH
UKW-HF-ABGLEICH
Ausgangsiei-
Drehkondensator | stungsmesser L7 (UKW-Oszil- (*2) Die maximale
(3) UKW 87,5 MHz ganz parallel zur latorspule) Ausgangsleistung
. geschiossen. Lautsprecher- einstellen.
Uber eine kUnstliche Schwingspule.
UKW-Antenne an
den MeBpunkt W Drehkondensator . CT3 (UKW-Oszil- 7
(4) UKW | anschlieBen. 108 MHz ganz aufgedreht. latortrimmer)
Den negativen
Ausgang an den
(5) UKW | MeBpunkt J 90 MHz Das Signal " L5 (UKW- '
anschlieBen. abstimmen. Antennenspule)
(*2) Die maximale
CT2 (UKW-Anten- Ausgangsleistung
(6) UKW 106 MHz ” " nentrimmer) einstellen. Die
Schritte (3 ) bis (6)
wiederholen.
(*2) Es gibt drei verschiedene Ausgangsfrequenzkurven. Stimmen Sie die Mittelfrequenz ab.
4
UKW-HF-ABGLEICH
[Model RX-C45LS]
RD83052107C2
]
Ausgangsiei-
stungsmesser
parallel zur
Lautsprecher-
Schwingspule.
Drehkondensator
ganz
geschlossen.
87,5 MHz
L7 (UKW-Oszil-
latorspule)
Drehkondensator
ganz aufgedreht.
"
Uber eine kiinstliche 108 MHz
UKW-Antenne an
den MeBpunkt W
anschlieBen.
Den negativen
Ausgang an den
MeBpun
anschlieBen.
90 MHz Das Signal
abstimmen.
Drehkondensator .
sOS Me ganz aufgedreht.
CT3 (UKW-Oszil-
latortrimmer)
(*2) Die maximale
Ausgangsleistung
einstellen.
L5 (UKW-
Antennenspule)
CT2 (UKW-Anten-
nentrimmer)
CT9 (UKW-Oszil-
latortrimmer)
(*2) Es gibt drei verschiedene Ausgangsfrequenzkurven. Stimmen Sie die Mittelfrequenz ab.
[Model RX-C45LS]
F.R. Germany
("2) Die maximale
Ausgangsleistung
einstellen. Die
Schritte (3 ) bis (7)
wiederholen.
RD © x@z
Printed in Japan

ORDER NO. RD83052107C2
Service
Manual
Radio Cassette
RX-C45LS
Portable Component System with 4-Band Radio
@ SPECIFICATIONS
General: Radio Section:
Power Requirement: AC; 110~115/115~127/200~220/ Radio Frequency
230~250 V, 50/60 Hz Range: FM; 87.5~108 MHz
Battery; 12 V (eight “D” Size Flashlight LW; 150~285 kHz (2000~ 1060 m)
Batteries) MW; 520~1610 kHz (577~186 m)
(National UM-1 or equivalent) SW; 5.9~18 MHz (50.8~16.7 m)
Car battery; with optional car Intermediate Frequency: FM; 10.7 MHz
adaptor RP-952 AM (LW/MW/SW); 455 kHz
Power Consumption: 36 W (AC only) Sensitivity: FM; 1.5V (—3 dB Limit sens)
Power Output: 15 W (7.5 WX2) ... RMS (max.) LW; 100uV/m/50 mW output
20 W (10 Wx2)... MPO MW; 504.V/m/50 mW output
Speaker: Woofer; 10 cm (4’’) PM Dynamic SW; 4uV/50 mW output
Speaker (30) Tape Deck Section:
Tweeter; 3. cm (11/4’’) Ceramic Speaker Frequency Response: 60~ 12,000 Hz (with normal tape)
(1.3 kQ) 60~15,000 Hz (with Metal tape)
Input: MIC; sensitivity 0.26 mV/applicable Recording system: AC bias, AC erase
microphone impedance 200~6002. Tape Speed: 4.8 cm/s, (17/s ips)
Phono: sensitivity 2.5 mV/47 kQ over Wow and Flutter: 0.08% (WRMS)
DC IN; 13.2 V Program Time: 1 hour with C-60 cassette tape
Output: EXT SP; 30~80. Track System: 4-track 2 channel stereo recording and
Headphones; 82 playback
REC/PB Connection: 5P DIN type IN; 0.3 mV/3.3 kQ over
OUT; 360 mV/4.7 kQ under Specifications are subject to change without notice.
Dimensions: Total Size
537 (W)x 176 (H)x 183 (D) mm
(215/32X 615/16 x 67/32)”
Main Unit
304 (W)x 176 (H) 183 (D) mm
(113%/32x 615/16 x 77/32)”
Speaker Box
118 (W)x176 (H)x 148 (D) mm
(421/32X 6"9/16x 5'3/16)”
Weight: 5.4 kg (11 Ib. 14 02.) without batteries
Panasonic
Matsushita Electric Trading Co., Ltd.
PO. Box 288, Central Osaka Japan

RX-C45LS
LOCATION OF CONTROLS AND COMPONENTS
D ®© OB OOOO O©HHGBHBH
®
(6)
@ Speakers (Woofer) [10 cm (4”’), 30]
@ Speakers (Tweeter) [3 cm (11/4”’), 1.3 kQ]
@® Cassette Compartment
@ Record Button
® Playback Button
Rewind/Review Button
@® Fast Forward/Cue Button
Stop/Eject Button
@ Pause Button
Level Meter (LEVEL)
@ Dolby Noise Reduction Indicator (DOLBY NR)
@ Operation/Battery Indicator (OPR/BATT)
@ FM Stereo Indicator (FM STEREO)
Tape Counter and Reset Button (COUNTER)
@® Graphic Equalizer Control (GRAPHIC EQUALIZER)
Volume Control (VOLUME)
@ Headphone Jack (PHONES) (82, 26]
Tape Switch (TAPE) [METAL, NORMAL]
@ Mode Switch (MODE) [MONO, STEREO]
@ Dolby Noise Reduction Switch (DOLBY NR)
@ Balance Control (BALANCE)
DO leasrsare]
@?) 38)
Fig. 2
89
4) 40)
@ Microphone Jacks (MIC) [0.26 mV, 200~6000, @3.5}
@ Fine Tuning Knob (FINE TUNING)
® Function Switch (SELECTOR) [DIN/PHONE, RADIO, OFF/TAPE]
@® Band Switch (BAND) [FM, LW, MW, SW]
@ Built-in Microphone (MIC)
@ Tuning Control (TUNING)
@ Speaker Wail Mounts
@ AC Socket (AC IN ~ )
@ DC Input Jack (DC IN 13.2 V6-8-@ )
@) Voltage Selector (VOLTAGE SELECTOR)
@ Battery Compartment
@ Telescopic Antenna
®@ Speaker Terminals
® Speaker Switch (LOCK/RELEASE)
6 Input Switch (PHONO, DIN)
@) Phono Input Jacks (PHONO) [2.5 mV/47 kQ over]
88 Phono Earth Terminal
69 DIN Connector Jack (DIN REC/PLAY)
(IN... 0.3mV/3.3 kQ, OUT... 360 mV/4.7 KO under]
@ Beat Proof Switch (BEAT PROOF), [I, if, 11]
*‘‘Dolby” and the double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
*Noise reduction system manufactured under license from Dolby Laboratories Licensing Corporation.

RX-C45LS = RX-C45LS
DISASSEMBLY INSTRUCTIONS
Slider
(A)
<RADI
When removing the slider, the spring and
steel ball will go out. il
Fig. 13
m@ TO REMOVE CASSETTE PANEL
@Remove the cassette panel in the direction of arrow.
Fig.
3
(H)
(1)
Catch
Eject Button
Screw Driver
Fig. 15
Shown in Fig —
1~3 Front Cabinet
Push the eject button
Dial Chassis *1
R/P HEAD
7
a
=< FT
1
Pull out the dial chassis
Start Point
10 1~6, 8~12
1~14
Power
Source
Circuit
|
Push
the
catch
in
the
direction
of
arrow
and
remove
aa
M
|
Volume
Knob
Board
the
circuit
board
|)
|
Equalizer
Knob
(E) Fig. 5
6 1~6, 16 EXT MIC
Po
1~8,15 Handle Push the catch in the direction of arrow © and remove
the handle in the direction of arrow @
Equalizer and Volume | Push the catch and remove the knob.
Lee ed
Function and Band KON e505 Sean seed Veg yard Mn ae de wiveenc pees (K)x2
| te | 0 Speaker Cabinet
7 1~3,17
R/P HEAD]
|
> FY
ae
Slider Chassis Remove the bracket in the direction of arrow.
*1. To reassemble the dial chassis, note the following.
1) Set the equalizer and volume knob at the position as shown in fig. 5.
2) Set the tuning capacitor to maximum cpacity. (Turn to fully counter-clockwise.)
3) Set the dial pointer to start point as shown in fig. 5.
4) Hang the counter belt.
*2. Press this Part of the Shield Plate to put the Printed Circuit into the Rear Cabinet as shown in Fig. 14.
(3
Fig. 6 Fig. 10 Fig. 11

~ screw Driver
11
Slider
When removing the slider, the spring and
steel ball will go out.
Fig. 13
m@ TO REMOVE CASSETTE PANEL
@Remove the cassette panel in the direction of arrow.
a Shown inFig—
Front Cabinet
Push the eject button
Power Source Circuit | Push the catch in the direction of arrow and remove
Push the catch in the direction of arrow © and remove
the handle in the direction of arrow @
Equalizer and Volume | Push the catch and remove the knob.
Function and Band
ee ae
oe
es
Speaker Cabinet
Slider Chassis
*1. To reassemble the dial chassis, note the following.
1) Set the equalizer and volume knob at the position as shown in fig. 5.
2) Set the tuning capacitor to maximum cpacity. (Turn to fully counter-clockwise.)
3) Set the dial pointer to start point as shown in fig. 5.
4) Hang the counter belt.
*2.
Press
this
Part
of
the
Shield
Plate
to
put
the
Printed
Circuit
into
the
Rear
Cabinet
as
shown
in
Fig.
14.
[4]
i
FX-C25.S
BLOCK DIAGRAM
<RADIO>
TELESCOPIC
ANTENNA
OSC COIL
L8, 9, 10
VR302
BARANCE
< PLAY BACK> Lch
J9
DIN JACK
Q401~406
VR402~ 406
GRAPHIC
EQUALIZER
OOFER
PM DYNAMIC
SPEAKER
lOcm(4°) 30
TWEETER
CERAMIC
SPEAKER
3Bem( M4) 1.3ka
J3
HEAD PHONE
JACK
J7
EXT. SP
<RECORDING> Lech
JQ
DIN JACK
VR302
BARANCE
Q401~ 406
VR402~406
GRAPHIC
EQUALIZER
BUILT-IN
MIC
WOOFER
PM DYNAMIC
SPEAKER
lOocm(4") 30
2] TWEETER
CERAMIC
SPEAKER
Zem( 1a"). 3ka
J3
HEAD PHONE
JACK
VR4Ol
VOLUME
ye
Jl
EXT MIC
!
AP Q104
REC AMP
L301
. oe
BIAS
vRio2
BIAS
CURRENT
VRIO3
OVERALL
GAIN
J7
EXT. SP
Fig. 16

Notes:
1. $1-1~S1-8: Band switch in ‘“‘FM”’ position.
(1...FM,2...LW,3...MW,4...SW)
2. S2-1~S2-10: | Record/playback switch in “‘playback”
position. (1... Playback, 3... Record)
3. S3-1~S3-4: Input switch in “‘Phono”’ position.
(1... Phono, 2... DIN)
4. S4-1~S4-6: Tape switch in ‘‘NORMAL” position.
(1... NORMAL, 2... METAL)
5. S5-1~S5-6: Function switch in ‘‘OFF/TAPE”’ position.
(1... OFF/TAPE, 2... RADIO,
3... DIN/PHONO)
6. S6: Beat proof switch in ‘‘l’”’ position.
(1...12...1,3... iM)
7. S7: Dolby Noise Reduction switch in ‘‘IN’’ position.
8. S8-1, S8-2: Mode switch in “STEREO” position.
(1...MONO, 2... STEREO)
9. S9: Motor ON/OFF switch in “OFF” position.
10. S10: Play ON/OFF switch in “OFF” position.
11. S11: FF, rewind ON/OFF switch in “OFF” position.
12. $12: Voltage select switch.
13. S13: AC/DC IN select switch in ‘DC IN”’ position.
14. VR1: VCO oscillator frequency adjust VR.
15. VR101, 201: Playback gain adjustment VR.
. VR102, 202, 304: Bias current adjustment VR.
. VR103, 203: Overall gain adjustment VR.
. VR301: Erase current adjustment VR.
. VR302: Balance control.
IC2 RVIBA1356
20. V303: LED meter adjustment VR.
21. VR401, 501: Volume control.
22. VR402~406,
502~506: Graphic equalizer VR.
23. The mark ( WW) shows test point e.g.yy=test point 1.
24. The mark(3x)shows printed-type resistors.
25. DC voltage measurement are taken with electronics voltmeter
from negative terminal of battery.
< >... FM position, ( )... AM position,
[ ] ... Recording position, No mark . . . Playback position.
26. Battery current: Nosignal ......................005 151mA
Maximum output (radio) ............. 1.26A
Maximum output (tape) (Playback).... 1.32A
27. Important safety notice
Components identified by A\ mark have special characteristics
important for safety.
When replacing any of these components, use only manufac-
turer’s specified parts.
OVERALL FREQUENCY RESPONSE
100 Hz 2+5 dB
Metal 1 kHz =—=« + ©Voltage Line
10 kHz 3+5 dB Record Signal Line
100 Hz 1+5dB => Radio (FM) Signal Line
Normal 1 kHz Playback Signal Line
10 kHz 2+5dB >> Level Meter Signal Line
Graphic Equalizer Characteristics (Line position)
Input=Line in (—30 dB), Output=SP out, Main VR=max
12+3 dB 100 Hz
330 Hz
(center= | 1 kHz (center= | 1 kHz 12+3 dB
10+3 dB 3.3kHz
FM RF AMP
TELESCOPIC]
ANTENNA
a2 DI 2 D3
2SA838 MA27WA MAI50- RVDSDIIS
D. AGC
8
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Cis J220P _
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RX-C45LS_ — AX-C45LS
SCHEMATIC DIAGRAM MODEL
ICI D1I04,204 Ic2 D4 ,5,307
AN7226 MAI50O RVIBAI356 MAI50
FM/AM IF AMP,DET SWITCHING FM MPX SWITCHING
8)—@)
(64 (SA) (54) (05) 149) (52) (46) (0) (39)
(IT) (0) QOD Ot) SO) 51) Gf) <0) 4.)
0.2) (50) (510) (5.0) (0) (44) “4:7 OMAN 1S
(54) 49) 49) (49) (0) (4.9) (47) (0.6) (1.3)
5 M0.0022
sd
RECTIFIER OUTPUT
(ABLE IMPEDANCE
TROL
AMPLIFIER D
FEEDBACK DECOUPLING
SIDECHAIN
VAR
CON
AMPLIFIER AS INPUT
SIGNAL GROUND
MONITOR OUTPUT
10
kHz
ie
103
RVIBAGEMR
Els
go
eyggaal
IC4
RVIBA328
sua
e—G
bes
tata
-3
$9
x
a
304
R106
H
O0A
ICS RVILM1131C
NEGATIVE SUPPLY
DECOUPLING
INPUT
CHANNEL
AMPLIFIER EK OUTPUTCS
CHANNEL 2
rIPOSITIVE SUPPLY
12
F DECOUPLING
13
FIRECTIFIER OUTPUT
I4 VARIABLE IMPEDANCE
CONTROL
HS AMPLIFIER D
ig FEEDBACK DECOUPLING
E> SIDECHAIN INPUT
HT AMPLIFIER AS INPUT
PS SIGNAL GROUND
YS AMPLIFIER EK OUTPUT
eS MONITOR OUTPUT
IN O3mvV
33k QoverlR LA |
uT somo Fo
27K.2 unde we 2 Ble |
L
/ J9 DIN
026mV
1200~ 600.2
esa
(
beet
oT
S
253
500.33
SB]
68K
0)
foo
Jt
Sx 30130
OOO
@ O—O—®
@ 44h) 3) 2) G9) 43d G3) 44) GA 4D) BS
G0) (44) (19) (77) (43) (43) (43) 43) (44) 43) &
(0) (42) ¢79) (77) 44) (43) (43) (43) (23) @3)
«oy (42) 43) 44) “& 2) 43) 43) GS) @3)) bl]
J2
Mic
3
1c3 1c4
RVIBA328MR RVIBA328
DIN PHONO AMP
, = VR203
Rais 10K 5 3 00K(B)
ey) 07 (0)
0
a4
%* R233 100K
Ql02, 202
2SC1684
PPE AMP
Q302,303
2SCI317
BIAS OSC
VR301_ S$ 2-4
10K(B) fe)
12
ICS Q304 Q322 ,323 Q305 Q306 D102 ,103,202
RVILMIIZIC 2SCI684 MA27WA 2SA564 2SCiI684 MAI50
DOLBY AMP SWITCHING aoc SWITCHING SWITCHING AGC REC

nt 1.
ics voltmeter
yback position.
noenetsere 151 mA
characteristics
only manufac-
ye Line
jnal Line
) Signal Line
signal Line
2 Signal Line
jax
12+3dB
(11)
SUPPLY
q
OUTPUT
IMPEDANCE
D
DECOUPLING
INPUT
AS INPUT
UND
EK OUTPUT
UTPUT
RX-C45LS RX-C45LS
SCHEMATIC DIAGRAM MODEL RX-C45LS
al a2 DI D2 D3 a3 iCl D104,204 1c2 D4,5, 307
2SA838 2SA838 MA27WA MAI50 RVDSDIIZ 2SC1I359 AN7226- MAI5O RVIBAI356 MAI50
FM RF AMP CONV/ MIX STABI D. AGC AFC FM IF AMP FM/AM IF AMP,DET SWITCHING FM MPX SWITCHING
ch a et 5 sl a SRM UM sh ee AE 0308,309 D310 ~ 317 Q308 IC7 Q40!1 ~ 406,501 ~ 506
| 3 ¥ Rit 47 MAI5O LNOS8II24P 2SCI684 AN6884 2SC 1684
;
¥
3
s
XRI2
100
SWITCHING
FM
ST,
DOLBY
NR
SWITCHING
LEVEL
METER
G,
EQ
AMP
8 8 XO¥x 8 S55) POWER BATT IND.
oye sel =Es EL METER
TELESCOPIC
«
xe
ol
se
Ro
5s
lS
LEVEL
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=> Ger TRS RX-C45LS RX-C45LS
MEASUREMENTS AND ADJUSTMENTS NDERTOR m ALIGNMENT
ern
eee
BAND
oe
ee
pea
area:
ADJUSTMENT
REMARKS
MAIN
CIRCUI
FM-RF ALIGNMENT
Variable Output meter L7 (FM OSC (*2) Adjust for maxi-
capacitor across Coil) mum output.
fully closed. voice coil.
Connect to test point Variable
WV through FM dummy capacitor ” CT3 (FM OSC
antenna. Negative fully open. Trimmer)
LW ANT
285kHz
LW Osc
Lw osc
136kHz 297kHz
un pac (S|, @
Lg
Be le
ausse O©)
READ CAREFULLY BEFORE ATTEMPTING ALIGNMENT
. Set volume control to maximum. . Set fine tuning to center.
. Set graphic equalizer to center. . Set mode switch to stereo.
. Set band switch to LW, MW, SW or FM. . Set power source voltage to 12 V DC.
. Set balance control to center. . Output of signal generator should be no higher than
. Set function switch to radio. necessary to obtain an output reading.
m@ LW, MW and SW ALIGNMENT
side to test point Y .
Tune to signal. L5 (FM ANT
Coil)
i
2) Adjust for maxi-
SIGNAL GENERATOR or INDICATOR ft
i CT2 (FM ANT mum output. Sw OSC
SWEEP GENERATOR RADIO DIAL (ELECTRONICS ‘ 5.75 MHz
fo
ski
UO
IER
A
Ser
eec
ee
Lo
ata
Gee
CONNECTIONS FREQUENCY or SCOPE) :
AM IFT
455kHz
AM-IF ALIGNMENT
Fashion loop of
several turns of 455 kHz Point of non- Output meter Adjust for maximum
wire and radiate 30% Mod. interference. (on/ across voice coil. T2 (AM IFT) output.
signal into loop of at 400 Hz about 600 kHz)
receiver.
LW-RF ALIGNMENT
i 136 kHz Tuning capacitor a L8 (LW OSC 7
fully closed. Coil)
7 297 kHz Tuning capacitor CT7 (LW OSC i
fully open. Trimmer) antenna.
Adjust for maximum Reed side to test
145 kHz Tune to signal. (*1) L2 (LW output. Adjust L2 by P :
ANT Coil) moving coil bobbin
Se @ AUDIO ADJUSTMENT
Adjust
for
maximum
ITEM
INPUT
MEASUREMENT
|
SPECIFICATION
ADJUSTMENT
REMARKS
CT5
(LW
ANT
output.
POINT POINT
Trimmer) Repeat steps
(9) QZZCAC Maximum
MW-RF ALIGNMENT Azimuth (10 kHz, EXT SP output. Azimuth screw Playback mode
511 kHz i L9 (MWOSC Adjust for maximum 208)
luliotsed cll allel Playback QZZCLA oe VR101 (Lch) Playback mode
1,650 kHz Tuning capacitor 7 CT4 (MW OSC 7 level (315 Hz, 0 dB) Sen 420 mV VR201 (Rech)
fully open. Trimmer) at
Adjust for maximum ;
550 kHz Tune to signal. (*1)L3(MW ANT | output. Adjust L3 by Bias Record mode
2)~(5
Coil) moving coil bobbin oscillation ie 66.2+0.5 kHz Beat proof switch—|
(*1) Cement antenna bobbin with wax after completing alignment.
(1)
=
el
FM SIGNAL EQUIPMENT
GENERATOR CONNECTION ADJUSTMENT SPECIFICATION REMARKS
SOURCE ELECTRONIC
CONNECTION COUNTER
Adjustment of | 98 MHz, 60 dB (CW) Sac Adjust VR1, for 19 KHz
pilot signal. Connect to test point ae VR1 (+100 Hz) reading on
WV through FM dummy electronics counter.
along ferrite core. frequency Tape switch— Metal
Adjust for maximum Record mode
140 +10 mv VR301 Beat proof switch—|
Tape switch— Metal
Use metal
tape
CT1 (MW ANT output.
Trimmer) Repeat steps
(6)~(9).
= = =| =
Metal
SW-RF ALIGNMENT Bias Use metal Metal 4.0+9-2MV | vR102 (Lch) Record mode
current tape 0.4 VR202 (Rch) Beat proof switch |
(10)
(11)
Normal Normal VR304 Tape switch—> Metal
5.75 MHz Tuning capacitor L10 (SW OSC Adjust for maximum
fully closed. Coil) output.
- - 2.0+0.2 mV
: 18.8 MHz Tuning capacitor 7 CT8 (SW OSC
Connect to test point fully open. Trimmer)
VW through ceramic
capacitor (10 pF)
Negative side
to test point Y . ; :
Adjust for maximum
(12) 5.9 MHz Tune to signal. L4 (SW ANT output.
Coil) Repeat steps
(10)~(12).
Qn! on
| 2
. Apply a —57 dB (1.4 mV) 1 kHz
signal from the DIN input
terminal.
2. Measure the output voltage of
pins © and @ of IC5.
3. Then, with the unit in the record
in the level.
(Adjust to obtain 0+1 dB.)
*Output voltage reference value of
iit, | “Guat a, Playback ocd par
Overall
gain
—57
dB
Pin@...(+)Lch
|
Output...
+Omv
Gan
ny
End
measure
the
cumeutvoliage
@
FM
ALIGNMENT
ut,
(+)
Leh
Pin®...
{3}
Reh
of
pins
©
and
@
of
IC5.
BAND
SYEEE
GENE
NATOR
ee
ee:
|).
SONS
|
apdusTMeENt
REMARKS
pee
easl)
adjust
so
there
is
no
difference
FM-IF ALIGNMENT.
High side thru. ; Connect vert. IC5 pins ®@ and @... 380 mV.
(1)| FM 0.001 .F to test — 10.7 MHz Point of non- amp. of scope to Adjust for maximum
point YW , Negative (SWP). | interference. (on/ | test point ©. T1 (FM 1st IFT) amplitude. @ LED METER ALIGNMENTS
side to test point Y . about 90 MHz) Negative side to (Refer to fig. 19).
test
point
YY.
ITEM
ADJUSTMENT
REMARKS
(2) VR303
Adjust for maximum
FM
t
"
”
T3
(FM
2nd
IFT)
amplitude.
Level
check
1.
Play
back
the
test
tape
(QZZCLA).
(Refer to fig. 20). 2. Adjust VR303 so that the 4th LED from the left begins to iltuminate.
[8] 9 (10

RX-C45LS RX-C45LS
SIGNAL
GENERATOR
or
INDICATOR
@
ALIGNMENT
POINTS
«Please
refer
to
Circuit
Boad
and
Wiring
Connection
Diagram
which
is
located
test
poits.
RAT
BAND
SEE
SCENE
NACE
pO
OS
|)
EON?
|!
<ADUUSTMENT
REMARKS
MAIN
CIRCUIT
BOARD
METER
CIRCUIT
BOARD
CONNECTIONS
|
FREQUENCY
FM-RF ALIGNMENT SWNT ©
: ; [ets }}-__-.@ : MW ANT: CURRENT
Variable Output meter L7 (FM OSC (*2) Adjust for maxi- eS, SSOkH2 (NORMAL) |
87.5 MHz capacitor across Coil) mum output. PLAYBACK
fully closed. voice coil.
Connect to test point Variable © © aveack CURR
V through FM dummy | 108 MHz capacitor CT3 (FM OSC Ase @i_ LEveviten @—{vr301 |
antenna. Negative fully open. Trimmer) ar
side to test point Y . (45kH2 (al EG
Tune
to
signal.
L5
(FM
ANT
swosc
@(O]
zi
18.8
MHz
®
OVERALL
Coil) fe) GAIN (Rch)
OVERALL [vR203|
F 8
(#2) Adjust for maxi- Lio .
106
MHz
”
CT2
(FM
ANT
mum
output.
SW
o8¢
®
GAIN
(Lch)
Trimmer)
Repeat
steps
;
FM
OSC
BIAS
BIAS
(3)~(6). MWOSC FM OSC : CURRENT CURRENT
AM IFT 1650kHz 108MHz (METAL )(R ch) (METAL) (Lech)
were ©
vco
FM 2nd I9kHz
i
10.7
MHz
@®
@
BIAS
OSC
r maximum
FM SIGNAL EQUIPMENT Fig. 18
GENERATOR CONNECTION ADJUSTMENT SPECIFICATION REMARKS : :
SOURCE ELECTRONIC A
CONNECTION COUNTER :
Adjustment of | 98 MHz, 60 dB (CW) ieee Adjust VR1, for 19 KHz
pilot signal. Connect to test point Pes VR1 (£100 Hz) reading on
VW through FM dummy electronics counter.
antenna.
“(iasnlini Negative side to test
djustL2 by point YW.
ol in
Fis Core: @ AUDIO ADJUSTMENT
rmaximum ITEM INPUT MEASUREMENT | SPECIFICATION ADJUSTMENT REMARKS
POINT POINT : .
teps a © Fig. 19 Fig. 20
Azimuth (10 kHz, EXT SP output. Azimuth screw Playback mode
eee) MECHANISM PARTS LOCATION
level (315 Hz, 0 dB) sek 420 mV VR201 (Rch)
rmaximum
rite core.
rmaximum
M115 M108 ?.
r maximum
djust
L3
by
Bias
i
Record
mode
pov
oil bobbin oscillation bed 66.2+0.5 kHz L301 Beat proof switch—| ;
frequency Tape switch— Metal
teps
Erase Use metal ned Record mode
current tape a 140 +0 mv VR301 Beat proof switch—>|
Tape switch— Metal
Metal
Bias Use metal ty Metal 4.0+9-2MV | yR102 (Lch) Record mode
current tape wars 0.4 VR202 (Rch) Beat proof switch—|
Gas Normal Normal VR304 Tape switch— Metal
2.0+0.2 mV
r maximum
. Apply a —57 dB (1.4 mV) 1 kHz tho e. M39 g y
signal
from
the
DIN
input
By
eee
he
M36
M40
terminal.
iL
4
M213
M232
. Measure the output voltage of cael 2) Sea ®
pins © and @ of ICS. || M212 M26 M213 M31 nN
. Then, with the unit in the record (¢ ; ee
pl ve DIN Jack mode, record a signal. ; ak is Mas
ee
Output
VR103
(Lch)
.
Playback
the
recorded
part,
M30-S
OS
Overall gain ~57 dB Pin®... (+) Loh | Output... +0MV | yR903 (Rch) and measure the output voltage e
Pin®... (+) Reh of pins © and @ of IC5. +34
Pin®...(-)
.
Compare
the
output
voltage
;
——M120
measured in items 2 and 4, and
adjust so there is no difference
in the level.
(Adjust to obtain 0+1 dB.)
*Output voltage reference value of
IC5 pins @ and @ .. . 380 mV.
35 M231
“maximum
: is @ LED METER ALIGNMENTS
ig. 19).
ITEM ADJUSTMENT
Level check VR303
REMARKS
“maximum
fig. 20).
1. Play back the test tape (QZZCLA).
2. Adjust VR303 so that the 4th LED from the left begins to iltuminate.

RX-C45LS = RX-C45LS
CIRCUIT BOARD AND WIRING CONNECTION DIAGRAM MODEL RX-C45LS
2 y © 12 yy W 14. ale
{
PM DYNAMIC
SPEAKER
focm (4°) 32
WOOFER
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D =
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TWEETER
PM DYNAMIC
SPEAKER
fOcm (4") 39
WOOFER
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3cm (1%a') 13K2
TELESCOPIC
TWEETER
ANTENNA
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HEADPHONE
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General
Anode
Varicap.
Anode 18
Cathode
Cathode
Q1,
2,3,
101~104
201 ~204, 301 ~306
308, 401~406
501 ~506
D1i~6, 101~104 Cathode
201~204, 301~309
322, 323
1
LED
Anode wy
Photo Diode
NN Cathode 9
Anode
Cathode | | Anode IC1

RX-C45LS RX-C45LS
RX-C45LS
CIRCUIT BOARD AND WIRING CONNECTION DIAGRAM MODEL RX-C45LS
: : MLegzege
4y
BATT. (12V)
(UM-1) x8
ze erat F +
PM DYNAMIC
SPEAKER
10cm (4") 30
WOOFER
POWER
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3cm ({¥4") 12KQ CS4
TWEETER
7
2
3
4
3
é
S9~11 Reaf Switch
Terminal Number
VC5 @
FINE TUNING
Q1, 2,3, 101~104
201 ~204, 301 ~306
308, 401~406
501~506
D1~6, 101~104
201 ~204, 301 ~309
322, 323
Saale)
els
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$22
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PLAY=*REC S12 S1-4 S1-6 Si-
Cathode
Cathode
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Nor=-Cro2
D318~321

RX-C45LS
" M 4
Specification M207 yg7 M% byois
Less than 0.08% (WRMS)
Mechanism Operation: Full Auto Stop
Fig. 23
@ To Remove Motor
_- Main Chassis
Motor Chassis
Full Auto Belt
(M39)
RF Belt
7 (M43)
Screw ane
(M209) a, Screw
&——
Belt
Rest
(M206)
Screw Mls
(M210) wes Flywheel
(M80) Screw (M224)
Motor Chassis
Fig. 24
Fig. 25
. Attach the full auto belt (M39) and RF belt (M43) to the belt rest of motor chassis.
. Remove three (3) screws (M206, 209, 210).
. Remove the motor chassis and the flywheel from main chassis.
. Remove three (3) screws (M224) from motor chassis.
. To reassemble, reverse the above procedure.
OAhoONd —
11

RX-C45LS
CABINET PARTS LOCATION
K24 K16 K15 K24
Fig. 28 Fig. 29
K22
K19,20
K23 K25
Fig. 30 Fig. 31 Fig. 32

RX-C45LS
ELECTRICAL PARTS LOCATION
E4
ie pies a
fe14 bn (E14 caida Teg oo 4
i
|
|
'c12
fal!
|
(e13
i)
8
bi
'e16
BE
E19
Gage
))
E15
bores. a |
E14 mt Feta none | Teg 00
|
lent ieg Ot
E42 fal E il eae
! 7 Bl! less a
[643 Bild) [E17 Sel) [ENS ee
Fig. 35
E39 E28 E34
E23
E29 E6 £2 £2425
Fig. 33
E37 E35,36 E32
E14 toe
| E10 pay
Fig. 37 6 sai
East | g
£16
Gall
Fig.
36
£23
E30
Fig.
38
MREPLACEMENT PARTS LIST Model RX-C45LS -No. Part No.
(RD83052107C2)
Notes:
MECHANICAL
PARTS
1.Important
safety
notice.
IRJH2ZE11Z
R/P
Head
Components identified by A mark have special characteristics IRFS166Z Spring, Head
important for safety. IRJH7E4Z Erase Head
When replacing any of these components, use only manufacturer’s ISMQ4768 Head Base
specified
parts.
;
:
RFD135Z
Head
Base
Ass'y
2.The
S
mark
indicates
service
standard
parts
and
may
differ
from
ISMQ4168
Spacer,
Head
Base
Ass'y
Production parts. ISMQ4770 Spring, Head Base Ass'y
3.RESISTORS
&
CAPACITORS
RFI182Z
Take
Up
Roller
Bearing
Unless
otherwise
specified.
Ass'y
All resistors are in OHMS (OQ) K=10000, M=1000k0 RFS249Z Spring, Take Up Roller
All
capacitors
are
in
MICRO
FARADS
(uF)
P=yyF
Bearing
Ass'y
SMQ4774
Stopper,
Pinch
Roller
Ass'y
* Type & Wattage of Resister
SMQ4776 Pinch Roller Ass'y
SMQ4778 Erase Safety Lever
SMQ4780 Spring (Cassette
Pressure)
[10,16:1/eW]14,25:1/4W]12:1/2W|1:1W]2:2W]3:3W] Boe aane is eae oe pe
* Type & Voltage of Capacitor Plate Arm
Type RFY1932Z Main Gear Plate
ECFW:Semi-conductor|ECCD,ECKD,ECBT: Ceramic RFS 2592 Spring (Main Gear
ECQS:Styrol ECQM, ECQV,ECQG:Polyester Operation Plate
ECUX:Chip ECEA,ECSZ ‘Electrolytic QTS1501 Head Shield Cover
[ROMS Mica ECQP Polypropylene RFY184Z Operation Lever
RFS2502Z Spring (Operation
Lever)
Voltage
ECQG
ECQ Typ i ‘yp
Q °] BCQV, Type |BCS2 T (| ete SMQ4792 Spring (Brake Arm
1H: 50V /0,5: 50V. |OF:3.15V |OJ :6.3V|1H,1V,50: 50V Ass'y)
2A:100V | 1:100V |1A4:10V 1A :10V 1d : 63V SMQ4794 Brake Arm Ass'y
2E:500V | 2:200V |1V:35V 1G :16V |2A 1100V 5MQ4800 Supply Reel Table Ass'y
2H:500V 0J:6.3V |1B,25:25V SMQ4802 Spring, Supply Reel
Table
SMQ4804 Take Up Reel Table
Ass'ty
13

RX-C45LS
Part No.
Part Name & Description
Part No.
SMQ4806
SMQ4808
ISMQ4810
RFU162Z
SMQ4814
SMQ4816
SMQ4818
SMQ4820
SMQ4822
SMQ4824
SMQ4826
RFS2712Z
RFG362Z
IRFB252Z
SMQ4832
SMQ4834
RFY183Z
SMQ4786
RFS103Z
SMQ4788
SMQ4836
SMQ4844
SMQ4846
SMQ4848
SMQ4850
SMQ4852
SMQ4854
SMQ4856
SMQ4858
SMQ4860
SMQ2444
SMQ4862
SMQ4840
RFS258Z
RFS2522
RFY1852
RFS253Z
SMQ4868
SMQ4870
SMQ4872
SMQ4842
SMQ4920
SMQ4922
$M0Q4916
RFB26Z
SMQ4900
SMQ4908
SMQ4906
SMOQ4894
RFM21Z
SMQ4904
SMQ4902
RFS2482
SMQ4896
RFY2122Z
SMQ4910
SMQ4890
SMQ4888
RFS2562Z
SMQ4886
RFY213Z
Detector Lever Peace
Take Up Reel Table
Spring
FF Gear
Reel Board Ass'y
T Roller Kick Lever
Spacer, T Roller Kick
Lever etc.
Detector Lever
Detector Lever Spring
Pulley
Full Auto Belt
Cam Gear
RF Clatch Arm Spring
RF Clatch Arm Ass'y
RF Belt
RF Slide Lever Ass'y
Auto Lever
Eject Slide Lever
Spacer, Eject Slide
Lever
Spring, Eject Slide
Lever
Spacer, Eject Slide
Lever
Button Base (L)
Record Button Lever
Playback Button Lever
REW Button Lever
FF Button Lever
Stop, Eject Button
Lever
Pause Button Lever
Ass'y
Button Lever Spring,
R/P, REW
Button Lever Spring,
FF, Pause
Spring, Pause Lever
Pause Lever
Stopper
Button Base (R)
Button Lever Spring,
Stop/Eject
Pressure Button
Operation Plate
Spring
Pressure Button
Operation Plate
Switch Operation
Plate Spring
Switch Operation Plate
Screw
Eject Kick Lever
Record Stopper
Flywheel Plate
Damper Spring
Motor Rubber
Flywheel Belt
Flywheel Ass'y
REW Spring
Pause Arm Ass'y
Main Gear
Motor Ass'y
Pause Trigger Arm
Spring
Pause Trigger Arm Ass'
Lift Arm Spring
Pause Gear
Lift Arm Ass'y
Lift Arm Spacer
Main Trigger Arm Spring
Main Gear Spring
Record Damper Spring
Record Operation Arm
Spring
Record Operation Arm
=
awWoeo sao aaa
ee oy So ao
ae ae or
=a
IRFY 1862
IRFS254Z
SMQ4892
RME3 162Z
IRBC4572Z
IRBC458Z
RBC 4592
RBC4602Z
RBC461Z
RBC4622Z
IRSE94Z
RDV14Z
IRZUXC45N
IRDR51Z
RNW230A
RDV15Z
SMQ4940
XSN2+6
IXSN2+7
RFN7 2Z
IXSN26+4
XTN26+3H
IXYN2+4F
XSS2+25
XYN26+5F
IXSN2+4
XYN2+6F
SMQ4928
SMQ4930
RFE71Z
XUC3FT
XUC2FT
XYN26+6F
XUC15FT
SMQ4932
XSS2+3
RFE74Z
SMQ4838
SMQ4878
SMQ4918
XTV26+4F
RFN7 32
SMQ4944
XUC12FT
SMQ4938
XYN2+C6
Part Name & Description
Record Operation Plate
Record Operation Plate
Spring
Main Trigger Arm Ass'y
Button Frame Ass'y
Record Button
Playback Button
REW Button
FF Button
Stop/Eject Button
Pause Button
Counter
Counter Belt
Pulley Bracket Ass'y
Counter Belt Roller
Washer
Counter Belt
Kick Lever
Screw, Erase Head M'tg
Screw, R/P Head
Washer, R/P Head
Screw, Head Panel
Ass'y M'tg
Screw, Cassette
Pressure M'tg
Screw, Leaf Board,
etc. M'tg
Screw, Eject Kick
Lever, etc. M'tg
Screw, Eject Slide
Lever M'tg
Screw, Eject Slide
Lever M'tg
Screw, Eject Slide
Lever M'tg
Washer, Reel Table
Washer, FF Gear, etc.
M'tg
Screw, Sub Chassis
M'tg
Circlip, Record
Operation Arm M'tg
Circlip, Main, Pause
Gear M'tg
Screw, Lift Arm Ass'y
M'tg
E Ring, Operation
Lever M'tg
Washer, Flywheel Metal
Screw, Flywheel Metal
M'tg
Screw, Sub Chassis
M'tg
Screw, Button Base
Right M'tg
Screw, Eject Kick
Lever
Screw, Motor Ass'y
M'tg
Screw, Button Frame
etc. M'tg
Washer, Operation
Plate
Screw, Take Up Roller
Kick Lever M'tg
Circlip, Kick Lever
M'tg
Nut, Auto Lever M'tg
Screw, FF/REW Lever
M'tg
INTEGRATED CIRCUITS,
TRANSISTORS AND DIODES
AN7226
AVIBA1356
AVIBA328MR
RVIBA328
RVILM1131C

[RX-C45LS FRANCAIS |
@ SPECIFICATIONS
Généralités:
Alimentation:
Consommation:
Puissance de sortie:
Enceinte acoustique:
c.a. 110a115/115 a 127/200 a 220/230
a 250 V, 50/60 Hz
Piles: 12 V (huit piles seches de dimension D)
(National UM-1 ou équivalent)
Batterie pour automobile: avec adaptateur
RP-952 automobile en option
36 W (C.A. seulement)
15 W (7,5 Wx2)... RMS (max.)
20 W (10 Wx2)... MPO
Haut-parleur des graves: haut-parleur
Parleur boite
11,8x17,6x 14,8
(42/s2x 61 5/16xX 51/16)”
Poids kg: 5,4 sans piles
Section radio:
Gamme de fréquence
radio: FM: 87,5 a 108 MHz
GO: 150 a 285 kHz (2000 a 1060 m)
PO: 520 a 1610 KHz (577 a 186 m)
OC: 5,94 18 MHz (50,8 a 16,7 m)
ALIGNEMENTS
@ INSTRUCTIONS D’ALIGNEMENT
AVANT DE PROCEDER AUX ALIGNEMENTS, LIRE ATTENTIVEMENT CE QUI SUIT
1. Placer le potentiométre de volume au maximum.
2. Placer le commandes d’égaliseur graphique en centre.
3. Placer le sélecteur de bande sur GO, PO, DC ou
4. Placer la commande de balance au centre.
@ ALIGNEMENT GO, PO, et OC
. Placer le sélecteur de fonctions sur “‘radio’’.
FM.
. Placer la commande de syntonisation fine sur
sa position centrale.
. Placer le sélecteur de stéréo/mono sur “‘stéréo”’.
. Régler ia tension sur 12 V C.C.
. Régler la sortie du générateur étalonné de fagon
ane pas surcharger les circuits.
INDICATEUR
Entrée:
Sortie:
Branchement REC/PB:
dynamique 10 cm a aimant fixe (3)
Haut-parleur des aigus: 3 cm haut-parleur
a aimant permanent (1,3 kQ)
MIC: sensibilité 0,26 mV: impédance
applicable pour microphone 200 a 6002
PHONE: sensibilité 2,5 mV/47 kQ ou plus
DC IN: 13,2 V
EXT SP:3a80
HEADPHONE: 82
fiche DIN a 5 broches:
IN: sensibilité 0,3 MV/3,3 kQ ou plus
OUT: sortie 360 mV/4,7 kQ ou moins
Dimensions (IxhxPr) cm: Total grandeur
Remarques:
1. $1-1~$1-8: Sélecteur de gamme d’onde en position ‘‘FM”’.
2. $2-1~S2-10:
10.
11.
12.
13.
14. :
. VR101, 201:
16.
17.
. $3-1~S3-4:
. $4-1~S4-6:.
. $5-1~S5-6:
. Sb:
. S7:
. $8-1, S8-2:
. $9:
$10:
$11:
$12:
$13:
VR1:
VR102, 202,
304:
VR103, 203:
53,7x17,6x 18,3
(215/32 615/16 X 77/32)”
Principal
30,4x 17,6 18,3
(119/32 x 615/16 x 77/32)”
FM: 10,7 MHz
AM (GO/PO/OC): 455 kHz
FM: 1,5 nV (—3 dB Seuil de sensibilité)
GO: 100uV/m pour une sortie de 50 mW
PO: 50uV/m pour une sortie de 50 mW
OC: 4V pour une sortie de 50 mW
Fréquence intermédiaire:
Sensibilité:
Section platine magnétophone:
Réponse de fréquence: 60a 12,000 Hz (avec bande normale)
60 a 15,000 Hz (avec bande Métal)
Systeme
d’enregistrement: Polarisation C.A., effacement C.A.
Vitesse de bande: 4,8 cm/sec.
Pleurage et scintillement:
Durée de lecture:
Pistes:
0.08% (WRMS)
1 heure avec cassette C-60
Enregistrement et lecture stéréo 4 pistes,
2 canaux
Ces spécifications sont sujettes a des changements sans préavis.
SYMBOLES UTILISES DANS SCHEMA
(1... RM", 2... °LW",3... "MW", 4... “SW”)
Commutateur enregistrement/lecture en position
“playback”.
(1... Lecture, 3... Enregistrement)
Commutateur ‘‘Phono/DIN” en position ‘“PHONO”’.
(1... Phono, 2... DIN)
Sélecteur de bande en position ‘““NORMAL”’.
(1... “NORMAL”, 2... “METAL’’)
Commutateur de fonction en position ““OFF/TAPE”’.
(1... “DIN/PHONO”, 2... “RADIO”,
3... “OFF/TAPE”’)
Interrupteur de suppression de battement.
(...02...0,3... 1)
Commutateur du réducteur de bruit Dolby en position
“IN”.
Commutateur de stéréo-mono en position
“STEREO”.
(1... “MONO”, 2... “STEREO”).
Commutateur ‘‘ON/OFF”’ du moteur en position
“OFF”.
Commutateur “ON/OFF” du commutateur lecture en
position “OFF’’.
Touche “ON/OFF” du commutateur d’avance
rapide-rebobinage en position “OFF”.
Sélecteur de tension.
Sélecteur C.A./C.C. en position “DC IN”’.
Réglage de fréquence de l’oscillateur VCO.
Régulateur de tension de réglage de gain de lecture.
Régulateur de tension de réglage du courant de
polarisation.
Régulateur de tension de réglage de gain total.
18. VR301: Régulateur de tension de réglage du courant
d’effacement.
19. VR302: Commande de balance.
20. VR303: Régulateur de tension de réglage des indicateurs a
DEL.
21. VR401, 501: Potentiométre de volume.
22. VR402~406,
502~506: Commandes d’égaliseur graphique.
23. Lamarque (W) signale un point de vérification. Ex.: W =point de
Vérification 1.
24. Lamarque (>) signale une résistance imprimée.
25. La tension C.C. est mesurée au moyen d’un voltmetre électronique
a partir de la borne négative de la pile.
< >... Position FM, ( )... Position AM,
[ ] Position Enregistrement, Non marque .. . Position Lecture.
26 Courant des piles: Pas de signal ....................... 151mA
Sortie maximum (Radio) .............
Sortie maximum (Bande) .............
27. Remarque importante concernant la sécurité
Les piéces marquées A\ ont des caractéristiques spéciales,
importantes pour la sécurité.
Lors du remplacement d’une de ces piéces, n’utiliser que les
piéces spécifiées par le fabricant.
GENERATEUR ETALONNE ou
GENERATEUR DE BALAYAGE
BRANCHEMENTS
Faire une boucle de
plusieurs tours de fil et
émettre Is signal dans
la boucle du récepteur.
FREQUENCE
POSITION DE
L’AIGUILLE SUR
LE CADRAN
(VOLTMETRE ou
OSCILLOSCOPE
ELECTRO-
NIQUES)
ALIGNEMENT IF sur AM
REGLAGE
OBSERVATIONS
455 kHz
(modulation de
30% a 400 Hz)
(2)
(3)
Point de non-
interférence. (a/
environ 600 kHz)
ALIGNEMENT HF sur GO
Voltmétre
branché ala
bobine
oscillatrice.
T2 (AM IFT)
136 kHz
297 kHz
Condensateur
variable
totalement
fermé.
L8 (bobine
d’oscillateur
GO)
Condensateur
variable
ouvert a fond.
(4)
145 kHz
Syntoniser sur le
signal.
285 kHz
511 kHz
Condensateur
variable
totalement
fermé.
1,650 kHz
Condensateur
variable
ouvert a fond.
(8)
(9)
550 kHz
Syntoniser sur
le signal.
CT7 (trimmer
d’oscillateur
GO)
(*1) L2 (bobine
d’antenne GO)
CT5 (trimmer
d’antenne GO)
L9 (bobine
d’oscillateur
PO)
CT4 (trimmer
d’oscillateur
PO)
$$$}
(#1) L3 (bobine
d’antenne PO)
Régler pour une
sortie maximum.
Régler pour une
sortie maximum en
glissant la bobine L2
le long du noyau en
ferrite.
Régler pour une
sortie maximum.
Refaire les étapes
2) a (5).
Régler pour une
sortie maximum.
1,500 kHz
,
signal.
”
ALIGNEMENT HF sur OC
CT1 (trimmer
d’antenne PO)
(*1) Sceiler ia bobine d’antenne a la cire apres avoir achevé |’alignement.
Régler pour une
sortie maximum en
glissant la bobine L3
le long du noyau en
ferrite.
Régler pour une
sortie maximum.
Refaire les étapes
(6) a (9).
Brancher au
point YW par un
condensateur
en céramique (10 pF)
Coté nétagif au
point Ty.
5,75 MHz
Condensateur
variable
totalement
fermé.
18,8 MHz
Condensateur
variable
ouvert a fond.
Syntoniser sur
fe signal.
L10 (bobine
d’oscillateur
OC)
| CTs (trimmer
d’oscillateur
oc
L4 (bobine
d’antenne OC)
—————
Régler pour une
sortie maximum.
Régier pour une
sortie maximum.
Refaire les étapes
(10) a (12).
@ ALIGNE
BANDE
s
=
=
NS
a =
S
<
Ss
aul a a
=
FM
=
$3]
=
Ss
n =
(
|_| > c
5 fs
Zz |= m <
ELEMB6
Réglage
du signal}
pilote.

@ ALIGNEMENT FM @ ALIGNEMENTS AUDIO
GENERATEUR ETALONNE ou INDICATEUR
BANDE| | GENERATEUR DE BALAYAGE POSITIONDE | (VOLTMETRE ou ELEMENT ENTREE faa es SPECIFICATION Bane OBSERVATIONS
L’AIGUILLE SUR | OSCILLOSCOPE REGLAGE OBSERVATIONS
BENCHEMENTS RBESUENCE eee dy NIQUES) ‘ Azimut QZZCAC EXT SP Régler pour une Vis d’azimut Mode de lecture
ALIGNEMENT IF sur EM — (10 kHz, —20 dB) sortie maximum.
Brancher la ; W ... (canal gauche) VR101
Brancher au point YW Point de non- sonde vert. de res Régler pour une Niveau de lecture |} QZZCLA yy... (canal droit) 420mV (canal gauche) | Mode de lecture
(1) FM via 0,001 uF. 10,7 MHz interférence. Voscilloscope T1 (FM1> IFT) amplitude (315 Hz, 0 dB) vaal=) VR201
Céte négatif au (SWP.) (a/environ au point Y. maximum. (canal droit)
point vy. 90 MHz) Cété négatif au (Voir fig. 19)
point WY. Fréquence Mode d’enregistrement
Régler pour une d’oscillation de 66,2+0,5 kHz Interrupteur anti-battement—
(2)
FM
i
‘i
3 7
T3
(FM
2°
IFT)
Bc
eriliss
polarisation
Sélecteur
de
bande...
METAL
maximum.
eae
Dare.
| (Voir fig. 20.) Courant Utiliser une 10 — ceonredietenient =
_—— , ; + VR301 nterrupteur anti-battement—
ALIGNEMENT HF sur EM d’effacement bande METAL. 140+5° mV
— Sélecteur de bande... METAL
Condensateur Voltmétre bran- L7 (bobine (#2) Régler pour une
(3) FM 87,5 MHz variable ché a la bobine d’oscillateur sortie maximum. Metal
totalement oscillatrice. FM) ... (canal gauche) |Métal 4,0+9-4mv | vRi02 Mode d’enregistrement
fermé.
Courant
de
Utiliser
une
.
..
(canal
droit)
Normal
2.0+0.2
mv
|
(canalgauche)
|
interrupteur
anti-battement—|
Condensateur polarisation bande METAL. ...(-) Beis, VR202 Sélecteur de bande...
(4) FM Brancher au point V variable ” CTS (trimmer " (canal droit) METAL
via une antenne fictive ouvert a fond. d’oscillateur FM) Normal VR304
FM. Coté négatif au : ;
(5) FM point Y . Syntoniser sur le " L5 (bobine ” . Appliquer un signal de
signal. d’antenne FM) Le el dB i “4 mV) ala
rne d’entrée :
A . Mesurer la tension de sortie
(*2) Régler pour une :
(6)
”
CT2
(trimmer
sortie
maximum.
des
pointes
©
a
@
du
d’antenne FM) Refaire les Biscerlapperel a ade
ét 3) a (6). :
eT : Sey : . a apes (6) 1G) d’enregistrement et
(*2) lly aura trois réponses de sortie; la syntonisation adéquate est la fréquence du milieu.
enregistrer un signal.
. Reproduire le signal
enregistré a |’étape
précédente et mesurer la
tension de sortie des
pointes ® et @ du circuit
intégré IC5.
. Comparer les mesures de
tension de sortie effectuées
aux 6tapes 2 et 4 régler pour
qu’iln’y ait plus de
Prise DIN
f =1 kHz,
—§7 dB
Input
Pin® ...(+)
canal gauche
Pin@® ...(+)
canal droit
Pin@...(—)
Prise DIN VR103
(canal gauche)
VR203
(canal droit)
@ ALIGNEMENT DE LA SEPARATION
GENERATEUR DE
SIGNAUX FM
BRANCHE-
MENT SUR LA
SOURCE
Gain total Output... +O mV
Output
Pin® ... (+)
canal gauche
Pin® ... (+)
canal droit
Pin®... (-)
BRANCHEMENT
A L’EQUIPMENT
(COMPTEUR
ELECTRONIQUE)
ELEMENT REGLAGE SPECIFICATION REMARQUES
Réglage
du signal
pilote.
98 MHz, 60 dB
Brancher au point
de coupure W par
l’intermédiaire
d’une antenne FM
fictive.
Cété négatif au
point de coupureV’.
Régler VR1 pour
19 kHz (+100 Hz) en
effectuant la
lecture sur le
compteur électronique.
@ ALIGNEMENTS DES VU-METRES DEL
ELEMENT
REGLAGE
REMARQUES
difference de niveau.
(Régler pour obtenir 0+
1dB
*Valeur de référence de la
tension de sortie des pointes
@ et ® du circuit intégrée
IC5...380mV
Contrdéle du niveau
1. Lecture de la cassette de contrdle (QZZCLA).
VR303
2. Régler le VR303 de fagon a ce que la 4°" DEL a partir de la gauche
commence a s’allumer.