Sony HCD-MJ1, Руководство по обслуживанию

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Pin No. Pin name I/O Description
1 VC O Output terminal for the center point voltage (+1.4V) generated.
2 – 7 A– F I Signal input from detector circuit in the optical pick-up block.
8 FI I Signal (–) input of the operational amplifier for F signal.
9 FO O Signal output of the operational amplifier for F signal.
10 PD I Front monitor. Connected to the photo diode.
11 APCREF I Input terminal for the setting of laser power.
12 TEMPI I Terminal for the connection to temperature sensor.
13 GND – Ground terminal.
14 AAPC O LD amplifier output terminal of APC circuit.
15 DAPC O Not used. (Open)
16 TEMPR O Output terminal of thr reference voltage for temperature sensor.
17 XRST I Reset signal input from the system controller (IC201). When reset : “L”
18 SWDT I Write data signal input from the system controller (IC201).
19 SCLK I Clock signal input from the system controller (IC201).
20 XLAT I Latch signal input from the system controller (IC201).
21 VREF O Reference voltage output. Not used this set (Open)
22 TENV O Not used. (Open)
23 THLD I Not used. (Connected to the VC)
24 VCC – Power supply terminal. (+5V)
25 TFIL I Not used. (Open)
26 TE O Tracking error signal output to CXD2535BR (IC121).
27 TLB I Input terminal of the adder signal to tracking error.
28 CSLED I Terminal for the sled error lowpass filter.
29 SE O Sled error signal output to CXD2535BR (IC121).
30 ADFM O FM signal output terminal of the ADIP.
31 ADIN I Input terminal by AC coupling is FM signal of the ADIP.
32 ADAGC I External capacitor connect terminal for AGC of the ADIP.
33 ADFG O ADIP double turned FM signal output to CXD2535BR (IC121). (22.05kHz±1kHz)
34 AUX O Sub signal output to CXD2535BR (IC121).
35 FE O Focus error signal output to CXD2535BR (IC121).
36 FLB I Not used. (Open)
37 ABCD O Light amount signal output to CXD2535BR (IC121).
38 BOTM O Light amount bottom hold signal output to CXD2535BR (IC121).
39 PEAK O Light amount peak hold signal output to CXD2535BR (IC121).
40 PFAGC I External capacitor connect terminal of AGC circuit for the RF.
41 RF O Playback EFM RF signal output to CXD2535BR (IC121).
42 ISET I Setting terminal for the internal circuit constant. 22kHz, BPF center frequency
43 AGCT I Input terminal by AC coupling is RF signal.
44 RFO O RF signal output terminal.
45 MORFI I Input terminal by AC coupling is RF signal of the MO.
46 MORFO O RF signal output terminal of the MO.
47,48 I,J I Signal input from detector circuit in the optical pick-up block.
SECTION 7
EXPLANATION OF IC TERMINALS
IC101 RF AMP (CXA1981AR)