Technics SL-EH570, Service Manual, Page: 45 / 60

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15.2 IC701 (AN8885SBE1V):/Servo Amp
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Pin No. Terminal Name I/O Function
1 PDE I Tracking signal input terminal 1 (E ch)
2 PDF I Tracking signal input terminal 2 (F ch)
3 Vcc I Power supply terminal
4 PDA I Focus signal input terminal 1 (A ch)
5 PDB I Focus signal input terminal 2 (B ch)
6 LPD I Laser PD signal
7 LD O Laser power auto control output
8 RF O RF amp terminal
9 RFIN I AGC input terminal
10 CSBRT I OFTR capacitor connection terminal
11 CEA I HPF-AMP capacitor connection terminal
12 BDO O Dropout detection control
13 LDON I LD APC ON/OFF (H: ON)
14 GND - GND terminal
15 /RFDET O RF detect signal output (L: detect)
16 PDOWN - Power down terminal
17 OFTR O Off track detection (H: detect)
18 DEFLVL - Not used, connected to GND
19 ENV O Envelope signal output
20 GCTL I Sub-code frame clock signal input
21 EQ SW - Not used, connected to GND
22 TEN I Tracking error signal input
23 TEOUT O Tracking error signal output
24 FEOUT O Focus error signal output
25 FEN I Focus error signal input
26 VREF O Reference voltage output
27 TBAL I Tracking balance adj. input
28 FBAL I Focus balance adj. input
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