TECLADO DE BORRACHA
mec. 1.77.72185.11
acab. 1.77.72185.04
Esc. 1/1
Fl. 6/6
MUTEMUTELOUDLOUD
DISC 1DISC 1
1122
TIMERTIMER
44
MODEMODE
77
CDCD
TAPETAPE
DNDN
PRG/PRG/
DISC 2DISC 2
SLEEPSLEEP
55
DEMODEMO
88
HI BASSHI BASS
00
RC-101RC-101
DISC 3DISC 3
CLOCKCLOCK
MEMOMEMO
SHUF/SHUF/
33
66
impr. BRANCO
1.87.33701.28
99
TUNERTUNER
AUXAUX
UPUP
SCANSCANRPTR PT
Impr. AZUL ESC.
1.87.33701.33
gabinete superior=
ABS alta fluidez
1.86.90019.08
1.86.96143.08 (ABS opc.)
gabinete inferior e
tampa p/ pilhas =
1.86.90011.08 (ABS a.f. CZ)
1.86.90020.08 (ABS a.f. CZ PH) opcional
MD-K555
Fl. 3/3
Esc. S/E
MD-K555
3. TECHNICAL SPECIFICATION
AMPLIFICADOR
AMPLIFIER
ENTRADA: AUX./ VIDEO = 1KHz ALIMENTAÇÃO: 120VAC
INPUT: AUX./ VIDEO = 1KHz POWER SOURCE: 120VAC
SAÍDA: CARGAS 8 OHMS
OUTPUT: OUT LOAD 8 OHMS
N°
ÍTEM
ITEM
CONDIÇÕES
CONDITIONS
VALOR TÍPICO
TYPI CAL VALUE
VALOR LIMITE
LIMIT VALUE
POTÊNCIA DE SAÍDA
1
POWER OUTPUT
DISTORÇÃO
2
DISTORTION
SENSIBILIDADE DE
3
ENTRADA
INPUT SENSITIVITY
4 RUÍDO RESIDUAL
RESIDUAL NOISE
5
NÍVEL DE RUÍDO
LEVEL NOISE
RESPOSTA EM
6
FREQUÊNCIA
FREQUENCY RESPONSE
SEPARAÇÃO DE
7
CANAIS
CHANNEL SEPARATION
1KHz 0dBV
10% THD
1KHz 0dBV, CARGA 2V
2V OUTPUT LOAD , FLAT
1KHz 0dBV VOLUME MAXIMO
MAXIMUM VOLUM
ENTRADA CURTO-CIRCUITADA
VOLUME MÍN. MIC. VOL. MIN
INPUT SHORTED
MIN. VOL MIC. VOL. MIN.
ENTRADA CURTO-CIRCUITADA
VOLUME MAX. MIC. VOL. MIN
INPUT SHORTED
MAX. VOL MIC. VOL. MIN.
1KHz 0dBV CARGA 2V
2V OUTPUT LOAD , FLAT
-3dB UP
-3dB DOWN
1KHz 0dBV, CARGA 2V
2V OUTPUT LOAD , FLAT
18 + 18 W
12 + 12 V
≥ 18,5 +18,5 W
≥ 12,2 + 12,2V
2%
3%
100 mV
150 mV
1 mV
10 mV
10 mV
40 kHz± 10 kHz
30 Hz± 15 Hz
45 dB
100 mV
≥ 38 dB
GANHO Av DO
8
AMPLIFICADOR
AMPLIFIER Av
RELAÇÃO SINAL/ RUÍDO
9
SIGNAL NOISE RELATION
POTÊNCIA DE
10
CONSUMO
POWER CONSUMER
1KHz 0dBV, CARGA 2V
2V OUTPUT LOAD , FLAT
1KHz 0dBV, CARGA 2V
2V OUTPUT LOAD , FLAT
MODO STBY
STBY MODE
MEIO VOLUME - 1KHz 0dB
HALF VOLUM
VOLUME MÁXIMO - 1KHz 0dB
MINIMUM VOLUM
38 dB ± 5 dB
40 dB ≥ 30 dB
W W
W W
60W 66W
RÁDIO FM
FM RADIO
NÍVEL PADRÃO DE ENTRADA
STANDARD INPUT LEVEL
60dB
N°
ITEM
ITEM
N°
FAIXA DE SINTONIA
1
TUNNING RANGER
SENSIBILIDADE
USUAL 30dB S/N
USABLE SENSITIVITY
2
REL. SINAL/RUÍDO
3
SIGNAL / NOISE
4 DISTORÇÃO
DISTORTION
REJEIÇÃO DE
5
IMAGEM
IMAGE REJECTION
RESPOSTA DE
6
FREQUÊNCIA
FREQUENCY RESPONSE
PARADA DO AUTO
SCAM
AUTO-STOP LEVEL
SEPARAÇÃO DE
CANAIS
8
CHANNEL SEPARATION
SENSIBILIDADE DO
9
INDICADOR ESTÉREO
STEREO INDICATION
SENSITIVITY
REJEIÇÃO DE FI
10
FI REJECTION
MD-K555
MODULAÇÃO
MODULATION
MONO: 1kHz, DESVIO: 75kHz
MONO: 1KHz, DEVIATION: 75kHz
ESTÉREO: L + R, 37,5kHz
STEREO: L + R , 37,5kHz
PILOTO: 7,5kHz
PILOT : 7,5kHz
CONDIÇÕES
CONDITION
MÍNIMO
MINIMUM
MÁXIMO
MAXIMUM
90,1MHz
98,1MHz
106,1MHz
98,1MHz
98,1MHz
98.1MHz 35 dB 15 dB
98.1MHz
1kHz
100 Hz
6 KHz
90.1MHz 20 dB 35 dB
98,1MHz 20 dB 35 dB 7
106.1MHz 20 dB 35 dB
98,1MHz
98,1MHz
1KHz
ON
OFF
98,1MHz 60 dB 80 dB
ANTENA
ANTENNA
DUMMY DA VI
ACOPLAGEM DIRETA
DIRECT COUPLING
PONTO DE MEDIÇÃO:
SAÍDA DO RÁDIO
MEASUREMENT POINTS:
OUTPUT RADIO
VALOR TÍPICO
TYPICAL VALUE
87,5 MHz 87,5 MHz
108,1 MHz 108,1 MHz
24 dB
24 dB
24 dB
50 dB
2 %
± 1 dB
-5 dB
20 dB 15 dB
20 dB
20 dB
IMPEDÂNCIA DE
ENTRADA
IMPEDANCE OF IMPUT
50 OHMS
VALOR LIMITE
LIMIT VALUE
30 dB
30 dB
30 dB
30 dB
3 %
±3 dB
-7 dB
26 dB
26 dB
ATUAÇÃO DO AFC
11
AFC ATUACTION
98,MHz
UP 100 kHz 300 kHz
DOWN 100 kHz 300 kHz
MD-K555
RÁDIO AM
AM RADIO
NÍVEL PADRÃO DE ENTRADA: 74dBµV, MODULAÇÃO 30% 400Hz, ANTENA
LOOP
STANDARD INPUT LEVEL : 74dBµV, MODULATION: 30% 400Hz, ANTENNA LOOP
N°
N°
ITEM
ITEM
SENSIBILIDADE
USUAL 20dB S/N
USABLE SENSITIVITY
1
REL. SINAL/RUÍDO
2
SIGNAL / NOISE
AGC
3
AGC
DISTORÇÃO
4
DISTORTION
RESPOSTA DE
5
FREQUÊNCIA
FREQUENCY RESPONSE
CONDIÇÕES
CONDITION
600kHz
1000kHz
1400kHz
1000Hz
1000kHz
1000kHz
1000kHz
400Hz
100Hz
3kHz
VALOR TÍPICO
TYPICAL VALUE
70 dB
65 dB
65 dB
30 dB
50 dB
0.8%
± 3 dB
-8 dB
VALOR LIMITE
LIMIT VALUE
72 dB
70 dB
70 dB
25 dB
≥60 dB
<2%
±5 dB
-10 dB
DECK REPRODUÇÃO
REPRODUCTION DECK
N°
ITEM
ITEM
N°
1 WOW & FLUTER
2
RESPOSTA EM
FREQUENCIA
FREQUENCY RESPONSE
SEPARAÇÃO DE
3
CANAIS
CHANNEL SEPARATION
RUÍDO TAPE PLAY
4
TAPE NOISE PLAY
RELAÇÃO SINAL
RUÍDO
5
SIGNAL NOISE
RELATION
DISTORÇÃO
6
DISTORTION
CONDIÇÕES
CONDITION
MTT 111
MTT 117
MTT 117
( 1KHz = 0dB )
MTT 14130 dB 20 dB
VOLUME MÍNIMO
MINIMUM VOLUM
VOLUME MÁXIMO
MAXIMUM VOLUM
MTT 118 ( PLAY/STOP ) 30 dB 25 dB
MTT 118 2% 3 %
W&F 0,1% 0,3%
FREQ.
125Hz
6,3KHz ± 1 dB ± 3 dB
VALOR TÍPICO
TYPICAL VALUE
3 kHz ± 3% 3 kHz ± 6%
VALOR LIMITE
LIMIT VALUE
± 1 dB
5 mV 10 mV
150 mV
± 3 dB
160 mV
DECK GRAVAÇÃO
WRITING DECK
MD-K555
N°
N°
2
CD
CD
N°
N°
2
ITEM
ITEM
RELAÇÃO SINAL
RUÍDO
1
SIGNAL NOISE
RELATION
RESPOSTA EM
FREQUENCIA
FREQUENCY RESPONSE
SEPARAÇÃO DE
3
CANAIS L/R
CHANNEL SEPARATION
RUÍDO TAPE
4
REC/PLAY
TAPE NOISE REC/PLAY
DISTORÇÃO
5
DISTORTION
ITEM
ITEM
RELAÇÃO SINAL
RUÍDO
1
SIGNAL NOISE
RELATION
RESPOSTA EM
FREQUENCIA
FREQUENCY RESPONSE
SEPARAÇÃO DE
3
CANAIS L/R
CHANNEL SEPARATION
RUÍDO TAPE
4
REC/PLAY
TAPE NOISE REC/PLAY
DISTORÇÃO
5
DISTORTION
CONDIÇÕES
CONDITION
1kHz -10dB via CD 30 dB 25 dB
( 1KHz = 0dB )
1KHz - L/R 30 dB 25 dB
VOLUME MÍNIMO
MINIMUM VOLUM
VOLUME MÁXIMO
MAXIMUM VOLUM
MTT 118 2 % 4 %
CONDIÇÕES
CONDITION
TNO 24 CD Yeds 18 50 dB 40 dB
TNO 04
TNO 09
( 1KHz = 0dB )
TNO 33/34 - CD Yeds 18
1KHz - L/R
VOLUME MÍNIMO
MINIMUM VOLUM
VOLUME MÁXIMO
MAXIMUM VOLUM
TNO 24 - CD Yeds 18 2 % 3 %
125Hz
6,3KHz ±3 dB ±5 dB
125Hz
6,3KHz ± 0,5 dB ± 3 dB
VALOR TÍPICO
TYPICAL VALUE
±3 dB
5 mV
50 mV
VALOR TÍPICO
TYPICAL VALUE
± 0,5 dB
40 dB 30 dB
5 mV
50 mV
VALOR LIMITE
LIMIT VALUE
±5 dB
10 mV
100 mV
VALOR LIMITE
LIMIT VALUE
± 3 dB
10 mV
100 mV
MD-K555
4. CALIBRATION SCRIPT
Obs.: These procedures can be used to orientation, the factory engineering can change some
item for best application and improve the factoring process.
FM RANGE
Tunning in 87,5 MHz, adjust the coil OSC-FM (L.102) to obtain ~ 2,0 V in the tunnig voltage
(terminal 28 of IC101 with resistor of 10K in serie with the voltimeter).
Tunnig in 108,1 MHz, and verify if the tunnig voltage is ~ 7,1 V.
The voltage values can be slightly changed to help the production.
FI-FM
Connect a FM sweepings generator in the FM input.
Tunning the radio in 98,1 MHz.
Verify the shape of curve “S”, in the pin 23 of the IC101.
TRACKING FM
Connect a FM sweeping generator in the FM input.
The generator output must have a very low RF signal and cannot saturate the IC output (pin 23
of the IC101).
Tunning in 90,1 MHz and adjust the RF-FM coil (L.101) to obtain maximum output signal.
Tunning in 106,1 MHz and adjust VC.102 to obtain maximum output signal
AM RANGE
Tunning in 520 kHz, adjust the OSC-AM coil (T.101) to obtain ~ 1,0 V in the tunning voltage.
Tunning in 1650 kHz, and verify if the tunning voltage is ~ 6,5 V.
The voltage values can be slightly changed to help the production.
FI-AM
Adjust an AM generator to1000 kHz with 30% of modulation in 400 Hz.
Tunning the radio in 1000 kHz.
Must be used a very low RF signal.
If haves undesirable noises, this frequency can be displaced for + or -, together with a frequency
of generator frequency.
Adjust the FI-AM coil (T.104) to obtain the maximum detected signal.
TRACKING-AM
Irradiate an AM sweeping to the ferrite antenna.
Tunning in 600 kHz and adjust the coil ANT-AM (T.102) to obtain maximum output signal.
Tunning in 1400 kHz and adjust VC.101 to obtain maximum output signal.
Remake the adjust three times to obtain the best adjust point.
45
1060( 50 : 75 )
MD-K555
COMMENTS
The FM signal generator has been connected in the FM input through of DUMMY DA -V.
The AM signal generator has be irradiated for a LOOP antenna and captured by itself ferrite
antenna of the device.
As much in the calibration of AM as in the one of FM, the used tool for calibrate the coils have be
of material not magnetic.
OSC. BIAS
Connect a VTVM in the point TP5 e TP6.
The VTVM output must be linked in a frequencymeter.
Put a tape with the unbroken rec constraint.
Select an AUX function whitout input signal.
Adjust T903 to obtain 59.068 Hz +/- 20Hz in the frequencymeter.
Verify if in the VTVM has a 0,035V signal.