Panasonic SA-AK520E, Руководство по обслуживанию

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18.6. (F) CD Detect P.C.B., (G) Spindle Position P.C.B., (H) CD
Loading P.C.B. & (L) Tuner Pack P.C.B.
18.7. (I) Power (1) P.C.B.
18.8. (J) Deck P.C.B. & (K) Deck Mechanism P.C.B.
19. Wiring Connection Diagram
20. Illustration of IC’s, Transistors and Diodes
21. Terminal Function of IC’s
21.1. IC701 (AN22004A-NF) Head Amplifier
Pin No. Mark I/O Function
1 LPD I APC Amp input
2 LD I APC Amp output
3 VCC I Power supply
4 EQSW I Focus signal input
terminal 1
5 RFOUT I RF summing output
6 RFIN I AGC input
7 CAGC O AGC Control
8 ARF O AGC output
9 CEA I Detector’s input
10 3TOUT I 3 T output
11 DCDET I Capacitor for HPF amp
connection
12 OFTCONT O Capacitor 4 OFTR
connection
13 BDO I BDO output (“H”:
Drop_out)
14 OFTR O OFTR output
15 /RFDET O NRFDET output (“L” :
detection)
16 LDON O Power-down input
17 GND - GND
18 EQ8ST O OFTR/BDO
19 VREF - VREF
20 TEN I TE Amp input
21 TEOUT I TE Amp output
22 FEN I FE Amp input
23 FEOUT O FE Amp output
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