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Hard to find service manual describing the PLL circuit of the AKAI AP-306.
Thanks to have it available.
;
Gut, sehr gut! It helps me much! I couldn't find this schema nowhere. Good quality
No. 2338
S E R V I C E MANUAL
Mod. 4VR-5446X /56
FM/AM 4-CHANNEL STEREO RECEIVER WITH CD-4 DEMODULATOR
DIMENSIONS : H - 6-318" (16.4cm)
W - 20" (50.8cm)
D - 15-318" (39.lcm)
Weight : 27.8 1bs (15.8 kg)
AMPLIFIER SECTION RMS Power All channels driven, 20Hz-20kHz power bandwidth RMS Power All channels driven, at IkHz Total Dynamic Power (IHF):
21W per channel a t 8 n 23W per channel at 4 n
55W per channel a t 8 n (BTL) 104W (26W x 4 ) a t 8 n 120W (30W x 4 ) a t 4 n 120W (60W x 2) at 8 n (BTL) 172W (43W x 4 ) at 8 n 200W (50W x 4 ) at 4 n IHF Power Bandwidth 10Hz- 30kHz Total Harmonic Distortion : 0.5% at rated output 0.1% at half rated output Intermodulation Distortion : 0.8% at rated output 0.2% at half rated output Load lmpedance 4 n 16n ( 8 n 1 6 0 : for BTL, System 1+2) Damping Factor 30 at 8 n Input Sensitivity, Impedance and SIN Ratio : Phono (High) 1.5mV/lOOkn, 65dB Phono (LOW) 3.0mV/100kn, 70dB AUX-1, -2 200mV/50kn7 75dB Tape Mon.-1, -2 200mV/50kS2, 75dB FM 4ch Input 200mV/50kn, 75dB Recording Output Level : 200mV Frequency Response 10Hz-SOkHz, + l d B
SEA Center Frequency (Front) SEA Control Range (Front) Bass Control (Rear) Treble Control (Rear) Loudness Control
40, 250, l k , 5k, 15kHz
:
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Low Cut Filter High Cut Filter Crosstalk FM TUNER SECTION Tuning Range 88MHz t o 108MHz Usable Sensitivity 2.0pV (IHF) Total Harmonic Distortion : (at 400Hz, 100% Mod) MONO 0.5% STEREO 0.8% Signal to Noise Ratio 65dB Selectivity 65dB Capture ti^ 2.0dB ti^^ Level l0pV MW TUNER SECTION Tuning Range UsableSensitivity Selectivity
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