Ic Pin Function Description - Sony AM-NX1 Service Manual

AM-NX1

6-10. IC PIN FUNCTION DESCRIPTION

• IC501 SN761058AZQLR (RF AMP, FOCUS/TRACKING ERROR AMP)
Pin No. Pin Name
1 IX
2, 3 PS, EQ
4 AGND
OFC-C1,
5, 6
OFC-C2
7 VREF10
8 VC
9 RFO
10 VREF09
11 AVCC2
12 PD-NI
13 PD-I
14 PD-O
15 D-C
16 A-C
17 AGND
18 SMON
19 ADIP-IN
20, 21 AGND
22 WPP-LPF
23 ADFG
24 CDN
25 CCSL2
26 CLK
27 CPGND
28 CN
29 DVCC
30 CP
31 CPOUT
32 SCK
33 SBUS
34 VGIN
35 RESET
36 DGND
37 EFMO
38 CIG
39 ASSY
40 RFI
41 ABCD
42 FE
43 TE
44 NPPO
45 OFTRK
46 TON-C
47 BOTM
50
I/O
I I-V converted RF signal (IX) input from the optical pickup detector
— Connected to the external capacitor for the RF and EQ
— Ground terminal (analog system)
— Connect terminal to the external capacitor for the RF AC coupling
O Reference voltage (+0.6V) output terminal
O Middle point voltage (+0.9V) generation output terminal
O Playback EFM RF signal output to the system controller
O Reference voltage (+0.9V) output terminal
— Power supply terminal (+2.1V) (analog system)
I Light amount monitor input terminal (non-invert input)
I Reference PWM signal input for the laser automatic power control from the system controller
O Light amount monitor output terminal
I Signal (D) input from the optical pickup detector (AC input)
I Signal (A) input from the optical pickup detector (AC input)
— Ground terminal (analog system)
O Servo signal monitor output to the system controller
I ADIP duplex FM signal (22.05kHz + 1kHz) input terminal
— Ground terminal (analog system)
— Connect terminal to the external capacitor for the TPP/WPP low-pass filter
O ADIP duplex FM signal (22.05kHz + 1kHz) output to the system controller
— Connect terminal to the external capacitor for the low-pass filter of CSL divider denominator
— Connect terminal to the external capacitor for the TPP/WPP low-pass filter
System clock signal (256Fs=11.2896MHz) input from the system controller
I
— Ground terminal (charge pump)
— Connected to the external capacitor for the charge pump
— Power supply terminal (+2.2V) (digital system)
— Connected to the external capacitor for the charge pump
O power supply voltage output termanal for the charge pump
I SSB serial clock signal input from the system controller
I SSB serial data input/output with the system controller
I Analog switch and OP amplifier power supply voltage input terminal
I Reset signal input from the system controller "L": reset
— Ground terminal (digital system)
O EFM signal output terminal Not used
— Connect terminal to the external capacitor for the low-pass filter of NPP divider denominator
Asymmetry input terminal Not used
—
I Playback EFM RF signal input terminal
O Light amount signal (ABCD) output to the system controller
O Focus error signal output to the system controller
O Tracking error signal output to the system controller
O NPP signal output terminal
I/O Off track signal input terminal Not used
— Connect terminal to the external capacitor for TON hold
O Bottom hold signal output of the light amount signal (RF/ABCD) to the system controller
Description