A B C E +12V F +12V IN GND OUT IF 増幅 IN OUT 1 レシオ検波 MPX PC Rout Lout GND STEREO IF AFC 1 2 3 4 5 6 7 8 +12V VCC IN FRONT-END 1 D S X E R804 33k E R803 10k R802 10k R801 10k 2 3 C802 0.47u/50V Q803 TA7504 C805 22u/25V R806 33k D801 R821 VR2k Q802 C1740 D802 R214 33k C804 10u/16V C212 2.2u/50V Q108 C1815 R812 2.7k R222 330 19kHz C219 2.2u/50V 2 R220 33k T-METER 3 R822 390 C806 0.01 C807 0.01 R814 5.6k R810 33k R811 33k 4 R221 270k +12V R813 2.2k 同調ノブに手を触れている時: 0V 同調ノブから手を放している時: 1.7~2.8V R215 4.7k R809 10k -12V -12V 3 C803 6 3300P +12V 16 15 14 13 12 11 10 9 R805 4.7M C801 0.47u/50V 7 19KI NCAFC-??? 19KO T IF 1 +B E +12V 4 F 2 +12V QUARTZ LOCK UNIT 5 Tuning Knob VCO HA11223 Q806 C1583 4 R816 4.7k -12V A B C D E Date: ONKYO T-408 QuartzLock Rev: 18-Oct-2015 Hiroshi Kitaguchi F
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