Pioneer ctf 4242 schematic

Page 1

# CASSETTE TAPE DECK

CT'F4242

SPECIFICATIONS

Systems . CttmdeI cassette, 2-channel stereo
Moron .. . . Electronicallycontrolled DC motor (builbin generator) x I;(4.8 cm/s speed drive)
Heads ........................................ Recording/playback head x I
Erasing head it I
lel Winding lime Approximately 35 seconds ((450 tape)
Woss and Flutter .. No more than 0.08% WRMS (HS), No more than vt).l8% WRMS (l)IN)
liequt-ntv Response standarml H tapes: 30 to I4,l)00H/ (40 to I I,000HI t 3dBl
Chromium dioxide tape: 30 to 16,000Il/ (40 to 15,000H/ x 3dB)
I'etriwhimne tape: IO to 3,000HI (40 to l5,00()HI t 'IdB)
Dolby OFF: More than 52413
Dolby ON: More than 62dB (over Skill, standard, I H tapes)
(When chromium dioxide tape is used. signal-to-noise ratio is lurther improved by 4.5dB ovcr Skill)
Harmonic Distortion .......... No more than 1.7%(0dB)
Inputs (Relerente level/Maximum allowable input/lmpedante)
MIC x 2; 0.2mV/4imV/I0ktl, (immil lack
(Reference MIC impedance; 250 to mini)
LINE (2-channel stereo); SOmV/ZSV/IOOHZ
DIN (REC/PLAY) x I: Input & Output. 9mV/2.0v/2.2kn, Sp tack (DIN standard)
Outputs (Reference level/Load impedance)
LINE (2-ctiannul stereo); 450mV/50Ml
DIN (REC/PLAY) x I;450mV/50ktz(DIN standard)
HEADPHONES x I; 60ntV/IISZ
Transistors; 32, Diodes; IS (chcr Diode; l, LEDs; 2), IC; 2
n Dolby system (ON-OFF) with indicator lamp
a rape selector (STD/FeCr/(IrOz)
o Cassette compartment IiiUmIndllon
AC l20V. 60H!
|5watts.
580(W) x l50(H) x SlbiD) mm. mas.
Malfi/It) it 57/8 x 117/16 in.
7.2mm; lb)
Stereo Lonneuing cord wuh pin plugs; 2
Head cleaning kit; I
Operating iristructionsfl

Signal-tierse Ratio.

\t'mlttlndtulnrs
Subtunctions ..

Power Requirements .

Power Consumption
Dimensions ........

Weight Without package ,
I iirnished parts .

NOTES 6. Signal-to-Noise Ratio: I Measured at +4113 level (ZSOnwb/m
I. RelerenceTapes1§tandard 5i LH: DIN 45SI3/BLAITb or magnetic level : DIN 45513 specified relerence level). IEC A
equiv. curve with acoustic compensation (weighted) 0 DIN is DIN
CrOz: DIN 455I3/BLA1T7 (Cr02)ur equiv. 45500.
2. Relcrence Recording Level: Meter OdB indicating level (I60 7 sensitivity: Input level (mV) required Ior reference recording
nwb/m magnetic level = Philips cassette reierente level). level with input (REC) controls set to maximum.
1. R?iC'C"L€ Signal: 333). ll Maximum Allowable Input: While decreasing settings 0! input
4. Wuw & Hutlcr: o IIS (3km, wrth acoustin sompcnsation (RLC) level controls and increasing level at input lacks, ihis is
(weighted), this value] ' DIN NONI, Wilh dCtlUSIlL cumnerr the maximum input level (mV) at the point where recording
sation (weighted) PEAK value|; DIN 45507. amplifier output waveform becomes clipped.
5. Fteaurmv Response: I Measured all *2003 IBVEIVDOLBY CHI 9. Reference Output Level: Playback output level when meter
level deviation is I de without indication 0 DIN is DIN 45500. Indicates OdB.

NOTE Spert/iwlions and the design subject In possible modification without notice due [0 improvements.