Mitsubishi Electric CQ-JB0160A, Руководство по обслуживанию

Страница: 8 / 31

7.3. CD Servo Block
IC201 : MN662748RPMF
Pin
No.
Port Description I/O (V)
1 BCLK Not used - -
2 LRCK Not used - -
3 SRDATA Not used - -
4 DVDD +5V digital power supply - 5.0
5 DVSS1 Digital ground - 0
6 TX Not used - -
7 MCLK MPU command clock I 0
8 MDATA MPU command data I 0
9 MLD MPU command load I 0
10 SENSE Sense signal O 0
11 /FLOCK Focus servo lock O 0
12 /TLOCK Tracking servo lock O 4.9
13 BLKCK Not used - -
14 SQCK Q code external clock I 4.9
15 SUBQ Q code output O 2.5
16 DMUTE DSP mute I 0
17 STAT DSP Status output O 3.1
18 /RST Reset input I 4.9
19,20 Not used - -
21 TRV Forced traverse output O 2.5
22 TVD Traverse drive output O 2.5
23 PC Spindle motor control O 0
24 ECM Spindle motor drive O 2.5
25 ECS Spindle motor drive O 2.5
26 KICK Kick pulse output O 2.5
27 TRD Tracking motor drive O 2.5
28 FOD Focus motor drive O 2.5
29 VREF D/A reference voltage I 2.5
30 FBAL Focus balance adjust O 2.5
31 TBAL Tracking balance adjust O 2.5
32 FE Focus error signal I 2.5
33 TE Tracking error signal I 2.5
34 RFENV RF envelope signal I 2.5
35 VDET Vibration detection I 0
36 OFTR Off track signal I 0
37 TRCRS Track closs signal I 2.1
38 /RFDET RF detection signal I 0
39 BDO Drop out signal I 0
40 LDON Laser on/off control O 4.5
41 PLLF2 Not used - -
42 TOFS TE offset O 2.5
43 WVEL Not used - -
44 ARE RF signal I 1.7
45 IREF Reference current input I 1.6
46 DRF DSL bias I 0
47 DSLF DSL loop filter I/O 2.4
48 PLLF PLL loop filter I/O 1.8
49 VCOF Not used - -
50 AVDD2 +5V analog power supply - 5.0
51 AFSS2 Analog ground - 0
52 EFM Not used - -
53 PCK/DSLB DSL bias I 2.4
54 VCOF2 Tracking offset O 2.5
55 SUBC Not used - -
56 SBCK (Connecting to ground) - -
57 VSS Ground - 0
58 X1 Crystal oscillator I 1.7
59 X2 Crystal oscillator O 2.3
60 VDD +5V power supply - 5.0
61,62 - Not used - -
63 FCLK Not used - -
64 IPFLAG Not used - -
65 FLAG Not used - -
66-69 - Not used - -
70 IOSEL (Connecting to ground) I 0
71 /TEST (Connecting to ground) I 0
72 AVDD1 +5V analog power supply - 4.9
73 OUTL Audio Lch output O 4.9
74 AVSS1 Analog ground - 0
75 OUTR Audio Rch output O 4.9
76 RSEL (Connecting to ground) - 0
77 CSEL (Connecting to ground) - 0
78 PSEL (Connecting to ground) - 0
79 MSEL (Connecting to ground) - 0
80 SSEL mode select I 5.0
IC401 : MN101C117AF
Pin
No.
Port Description I/O (V)
1 MASHON Servo IC OSC control O 5.0
2 P82 No connection - -
3 P81 No connection - -
4 P80 (Connection to ground) - 0
5 Q1 Photo sensor signal (DISC IN) I 4.5
6 Q3 Photo sensor signal (DISC OUT) I 4.2
7 Q6 Photo sensor signal (Option) I 5.0
8 SW4 Clamp SW signal I 0
9 SW5 Inner SW signal I 5.0
10 SW2 Feeder arm SW I 5.0
11 PA6 (Connection to ground) - 0
12 PA7/IFR (Connecting to ground) I 0
13 VDD +5V power supply - 5.0
14 OSC2 Crystal oscillator - 5.0
15 OSC1 Crystal oscillator - 3.3
16 VSS Ground - 0
17 NC No connection - -
18 SOMI CD control data O 3.2
19 SIMO CD control data I 3.8
20 SCLM Data shift clock I 5.0
21 P06 Not used - -
22 BD0 Drop out signal I 0
23 PC1 Loading motor driver control O 5.0
24 PS2 Focus/Tracking driver control O 0
25 VDET Vibration detecting signal I 0
26 P14 No connection - -
27 CDON CD on signal I 5.0
28 IRQ1.SENS
E (Connecting to groung) - 0
29 IRQ2 (Connecting to ground) - 0
30 LOD Loading motor control - 2.6
31 TRV Traverse motor control - 2.5
32 /PRST Servo IC reset O 5.0
33 STAT Status signal I 4.0
34 DMUTE DSP mute O 0
35 SUBQ Sub code Q data I 2.6
36 SQCK Sub code Q clock O 5.0
37 /TLOCK Tracking servo lock I 0
38 /FLOCK Focus servo lock I 0
39 NRST reset input I 5.0
40 MMOD (Connecting to ground) - 0
41 SENSE Sense signal I 0
42 MLD Command load O 5.0
43 MDATA Command data O 0.9
44 MCLK Command clock O 4.6
8
MITSUBISHI / CQ-JB3160A / CQ-JB0160A