Matsushita Electric CQ-EF1560L, Руководство по обслуживанию

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4.1. CD Servo Block
IC301 : MNBC67GALUC
Pin
No.
Port Descriptions I/O (V)
1 VREF- Reference supply for AD converter
(GND) - 0
2 SW3 Tray H SW - 3.1
3 SW4 Disc push SW I 3.3
4 SW5 Disc SW I 2.9
5 SW6 Disc load SW I 0
6 SW7 Eject SW I 3.3
7 SW13 Eject2 SW I 2.3
8 OUTC(NC) - - -
9 VPP Connected P.GND - -
10 VREF+ Reference supply for AD converter
(+3.3V) - 3.3
11 VDD Power supply (+3.3V) - 3.3
12 OSC2 Microcomputer system clock
output (7.37MHz) O 1.7
13 OSC1 Microcomputer system clock input
(7.37MHz) I 1.6
14 VSS Ground - 0
15 XI Connected GND - 0
16 XO (NC) - - -
17 MMOD Connected GND - 0
18 (NC) - - -
19 (NC) - - -
20 (NC) - - -
21 M DATA Microcomputer command data
signal O 3.2
22 STAT Servo LSI status signal I 0.4
23 MCLK Microcomputer command clock
signal O 3.1
24 MLD Microcomputer command load
signal O 3.3
25 M RESET Microcomputer reset input I 3.3
26 RMOLT(NC) - - -
27 (NC) - - -
28 TCI02(NC) - - -
29 MONI ON/OFF control output of spindle
motor O 0
30 (NC) - - -
31 BLKCK BLKCK signal I 0
32 DÇpSY CD-TEXT/SUBQ synchronizing
signal I 0
33 FG Connected GND - 0
34 CD ON Operation mode signal I 2.9
35 FLAG FLAG output signal O 0
36 (NC) - - -
37 TX TD - - 0
38 TX TCK - - 3.3
39 BDO Drop signal output O 0
40 N TEST N TEST signal output O 3.3
41 P35(SCKM) Serial data shift clock - 4
42 P36(SIM) Sereal data input - 0.5
43 P37(NC) - - -
44 SOM Sereal data output O 2.4
45 SIM Sereal data input I 0.5
46 SCKM Serial data shift clock I 4
47 TEST1(NC) - - -
48 TEST2(NC) - - -
49 TEST3(NC) - - -
50 TEST4(NC) - - -
51 N RST Reset input I 3.3
52 NEW(NC) - - -
53 MUTE Muting input I 3.1
Pin
No.
Port Descriptions I/O (V)
54 EXT1 Vibration detection input I 1.6
55 LOD(NC) - - -
56 SW15 Feeder SW - -
57 SW8 Play SW - -
58 SW9 Clump SW - -
59 SW10 Shuter SW - -
60 SW11 Horig SW - -
61 SW1 Inner track detection I 3.3
62 SW2 Tray G SW - -
63 SW12 Outer 2 SW - -
64 SW14 Outer SW - -
65 CS(NC) - - -
66 BR Break mode selection - -
67 RS Motor power save - -
68 P73(NC) - - -
69 P74 Connected GND - -
70 P75 (NC) - - -
71 GCTL RF amplifier gain control O 1.6
72 SPDCTL RF amplifier gain control O 3.3
73 MUTE1 Actuator drive control output O 3.3
74 TRV Traverse motor control output O 1.7
75 VMI- Horizontal motor control - -
76 VMI+ Horizontal motor control - -
77 LODI- Loading motor control - -
78 LODI+ Loading motor control - -
79 HMI- Vertical motor control - -
80 HMI+ Vertical motor control - -
4 TERMINALS DESCRIPTION
4