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KS ~ RT505 C/J
JVD
SERVICE MANUAL
KS - RT505 C/J
Area Suffix
C ....................... Canada
J ............................ U.S.A
Contents
I .Features-m Page2 @Location of p.c.board parts and parts list 32
I Specifications -------------------------------------- 2 .Expioded view of enclosure assembly
I .Instruciions ........................................... 3 and parts list ....................... 35
I.Location of main parts ----- I.Exploded view of mechanism
IRemoval of main parts ........................... 22 assembly and parts list ...................... 33
I.Main adjustment ................................... 24 @Packing illustration and parts list ............... 41
I.Biock diagram ...................................... 28
.Standard schematic diagram ------------------ 30
No.49239
February 1995
KS RT505 ON
I Features, Specifications
QEATURES
CARACTERISTICAS
CARACTERISTIQUES
o Detachable Control Panel
a AM/FM Stereo PLL Synthesizer Tuner
I 24-Station Preset Tuning (FM-13, AM-s)
I Extra Station Preset Tuning
- Preset ScarVSeek/Manual Tuning
»Turn Auto-Reverse Mechanism
I Mutti Music Scan (KS-RT505 only)
I 4-Channel Amplifier System
0 Maximum Power Output of 22 watts per
channel (Front)/22 watts per channel (Rear)
I Sound Control Memory
0 Digital Clock Display
0 Line Output Terminal
I Panel as control removible
I Sintonizador sintetizador PLL estereolomco de
AM/FM
I 24-sintonlzacion programada de estaclones
(FM-18. AM-e)
I Preslntonizaclén de estaciOn extra
IExploraciOn preaiustada/bilsqueda/
sintonizacibn manual
I Mecanismo de inversién automatica de vuelta
en U
0 Exploracion de multiples mtlsicas (KS-FIT505
exclusivamente)
o Sistema amplillcador de 4 canales
o Salida de potencia maxima de 22 watts per
canal (frontal)/22 watts per canal (trasero)
I Memoria de control de sonido
I Reloj con indicacion digital
a Terminal de salida de llnea
o Panneau de commands detachable
o Syntoniseur a synthétiseur a accrochage de
phase bouclé AM/FM sléréc
o Syntonisation de 24 stations préréglées {FM-
18, AM)
I Synlonisation dc la station préréglée extra
I Syntonisatian par balayaga des préréglages/
recherche/manuelIe
I Mécanisme d'inversion automatique U-Tum
I Recherche musicals multiple ($437505
um'quement)
I Amplificateur 4 canaux
o Puissance de sortie maximale de 22 watts par
canal (A vant)/22 watts par canal (A Iris/e)
I Mémoire de commands de son
I Allichage numénque de Ihollage
I Bome de sortie Iigne
(SPECIFICATIONS
ESPECIFICACIONES
CARACTERISTIGUES TECHNIQUES
AUDIO AMPLIFIER SECTION
Maximum Power Output: (Front) 22 watts per channel
(Rear) 22 watts per channel
Continuous Power Output (HMS): (Front) 3 watts per
channel into 4 (2. 40 to 20.000 Hz at no more than
0.8% total harmonic distortion. (Rear) 8 waits per
channel into 4 £2. 40 to 20.000 Hz at no more than
0.8% Ioial harmonic distortion.
Load Impedance: 4 I) (4 to 8 Q allowance)
Tone Control Range
Bass: 110 dB at 100 Hz
33Treble: 110 dB at 10 kHz
Frequency Response: 40 to 20.000 Hz
Signal-to-Ncise Ratio: 70 dB
Line-Out Level/Impedance: 0,5 V/20 k9. load
(250 nWb/m)
RADIO SECTION
Frequency Range
FM: 87,510 107.9 MHz
(with channel interval set to 200 kHz)
87.5w 10540 MHZ
(with channel interval set to 50 kHz)
AM:530t01,710 kHz
(with channel Interval set to 10 kHz)
531 to 1.620 kHz
(with channel interval set to 9 kHz)
[FM Tuner]
Usable Sensitivity: 12.1 B! ( 1.1 W75 9)
50 dB Quieting Sensitivi 6.3 (1310.8 lav/75 Q)
Alternate Channel Selectivity: (400 kHz): 65 dB
Frequency Response: 40 to 15,000 Hz
Stereo Separation: 35 dB
Capture Ratio: 2.0 (13
[AM Tuner]
Sensitivity: 20 W
Selectivity: 35 dB
CASSETTE DECK SECTION
Wow Gt Flutter: 0.11% (WRMS)
Fast-Wind Time: 100 sec. (060)
Frequency Response: 50 to 14.000 Hz (23 dB)
Signal-towoise Ratio: 52 dB
Stereo Separation: 40 dB
2 (tie. 49239)
SECCION DEL AMPLIFICADOH DE AUDIO
Maxima potencia de salida: (Frontal) 22 W per canal
(Trasera) 22 W por canal
Poiencia de salida continua (HMS), (Frontal) a W per
canal dentro de 4 f2. 40 a 20 000 HZ con distorcién
armonica no mayor de 0.8%. (Tresero) a W per
canal hacia 4 n. 40 a 20000 Hz con distorcion
armorlica no mayor ca 0.9%.
1. lmpedancia de carga: 4 a (tolerancia de 4 a a a)
leites de control Ge torio
Graves: :10 dB a 100 Hz
Agudos: :10 dB a 10 kHz
Respuesla de lrecuencia 40 a 20 000 Hz
Relacion Seflal » ruido: 70 dB
Nivei do selida de llriea/lmpedancia: carga de 0.5 V/
20 m (250 rin/m)
SECCIDN DE RADIO
Limites de lrecuenola
FM: 87.5 a 107.9 MHZ
(con intervalos entre canales de 200 kHz)
87.5 3108.0 MHZ
(con lniervalos entre canales de 50 kHz)
AM: 530 a 1 710 kHz
(con intervalos entre canales de 10 kHz)
531 a 1 620 kHz
(con intervaloe entre canales de 9 kHz)
[Sintonizador de FM]
Sensibilidad milizable 12.1 dB! (1.1 pV/75 fl)
Umbral de sensibilidad de 50 dB: 16.3 1531 (1.3 "W75 0)
Selectividad de canal alternado: (400 kHz) 55 dB
Respuesta de lrecuencia: 40 a 15.000 Hz
Separaclon estereolonica. 35 dB
Relaclon tie caplacion: 2.0 dB
[Sintonizador de AM]
Sensbllida 20 [AV
Selectivide . 5 0E
SECCION DE LA PLATINA DE CASSETTE
Fluctuation y irémolo: 1% (WHMS)
Tiempo de Dobinadc raplaoz 100 seg. (C-GO)
Respuesta de lrecuencia: 50 a 14000 Hz (:3 dB)
Relacion serial - wide 52 dB
Separaclérl estereotonica: 40 dB
SECTiON AMPLIFICATEUR AU DlO
Puissance de sortie maximale: (A van!) 22 Wparcanal
(Arriére) 22 w par canal
Puissance de some continue (HMS): (Al/ant} E Wpar
canal sous 4 Q, 40 320.000 HZ avec mains de
0.0% do distorsion harmonique totale, (Amara)
B Wpar canal Sails 4 Q, 40 320.000 HZ EVBC mains
as 0.0% de distorsl'on harmanlque (aisle.
Impedance d9 charge: 4 (l (4 a 8 9 possible)
Gamma dc commands do tonalité
Graves: 10 (13 a 10(7Hz
Aigus: :10 yea 10 kHz
Hepanse en Iréquence: 40 a 20.000 Hz
Rapport signavbmrt: 70 dB
Niveau de sortie /ignylmpéderice: 0.5 V/20 Id}
(250 nWb/m)
SECTION RADIO
Gamma des (réquences
FM: 57.5% 107.9 MHZ
(avec intervene entre les canaux réglé 50!
200 kHz)
87.5 .9 109.0 MHZ
(avec interval/s entre les canaux réglé 50!
50 kHz)
AM: 53031.710kHz
(avec interval/s suite has canaux reg/é sur
10 KHz)
531 a 1.620 kHz
(aver; intervalle entre les canaux reglé sur
9 kHz)
[Synlonlseur FM]
Sells/Mme utilisable: 12,1 :15! (1.1 [AV/750}
Sensrbilite de sllencleux a 50 US: 16.3 L151 (1.3 W75 0)
Sélecavité d9 canal Vols/n: (400 KHZ): 65 dB
Fléponse en frequents: 40 a 15.000 Hz
Separation sréréo: 35 dB
Rapport de capture: 2.0 as
[Syntoniseur AM]
Sensibilité' 20 0V
Sélectlvité: 35 d5
SEOTION CASSETTE
Flea/age at scintillement: 0,1 1% (WRMS)
Durée de délilemcnt rapids: 100 s (060)
Reponsa en Iréquence: 50 a 14.000 Hz (13 dB)
Rapport signamelt: 52 an
Separation stéréa: 40 dB
34