Mitsubishi CX-CB0910FA Service Manual page 8

MITSUBISHI / CX-CB0910FA
8.2. CD Servo Block
IC201 : MN662783RPW
Pin Port
No.
1 VDD +5V power supply
2 D0 D-RAM data
3 D1 D-RAM data
4 /WE D-RAM data write
5 /RAS D-RAM row address strobe
6 D2 D-RAM data
7 D3 D-RAM data
8 /CAS0 D-RAM columun address strobe
9 /CAS1 D-RAM columun address strobe
10 A8 D-RAM address
11 A7 D-RAM address
12 A6 D-RAM address
13 A5 D-RAM address
14 A4 D-RAM address
15 A9 D-RAM address
16-18 A0 D-RAM address
19 A3 D-RAM address
20 VSS2 Ground
21 VDD2 +5V power supply
22 PWMCK(NC)
23 TRVSTP(NC)
24 TVD Traverse motor control
25 PC Not used
26 ECS Spindle motor control
27 TRD Tracking coil drive
28 FOD Focus coil drive
29 FBAL Focus balance
30 TBAL Tracking balance
31 VREF Refence voltage
32 FE Focus error
33 TE Tracking error
34 RFENV RF envelope
35 OFT Off track signal
36 /RFDET RF detecting signal
37 BDO Drop-out signal
38 LDON Laser on signal
39 ARF RF signal
40 IREF Reference current input
41 DRF Bias for DSL
42 DSLF Loop filter for DSL
43 DSLF2 Loop filter for DSL
44 PLLF Loop filter for PLL
45 VCOF(NC)
46 AVDD2 +5V power supply
47 AVSS2 Ground
48 OUTL L channel output
49 AVSS1 Ground
50 OUTR R channel output
51 AVDD1 +5V power supply
52-54 - (Connecting to ground)
55 FLAG Flag output
56 FCLK Frame clock
57-59 NC
60 TX(NC)
61 MCLK Clock for I/F command
62 MDATA Date for I/F command
63 MLD I/F command load
64 BLKCK Subcode block clock
65 SQCK Ext.clock for sub code-Q
66 SUBQ Code for sub. code-Q
67 DMUTE Mute input
68 STAT Status signal
Description I/O (V)
- 5.0
I/O 2.3
I/O 1.8
O 4.9
O 3.4
I/O 0.8
I/O 0
O 3.9
O 0
O 0.6
O 1.1
O 0.7
O 0
O 1.1
O 0.4
O 1.0
O 0
- 0
- 5.0
- -
- -
O 2.5
-
O 2.4
O 2.5
O 2.4
O 1.9
O 3.0
I 2.5
I 2.5
I 2.5
I 2.5
I 0
I 0
I 0
O 4.5
I 2.5
I 1.2
I 2.4
I/O 2.5
I/O 2.2
I/O 1.4
- -
- 5.0
- 0
O 2.3
- 0
O 2.3
- 4.7
- 0
O 0
O 0
- -
- -
I 1.0
I 3.1
I 5.0
O 0
I 5.0
O 3.8
I 0
O 5.0
69 /RST Reset input
70 CSEL (Connecting to ground)
71 PMCK Clock output
72 SMCK Clock output
73 SUBC Serial data of sub code
74 SBCK Shift clock for SUBC
75 /CLDCK(NC)
76 /TEST (Connecting to VDD)
77 X1 Crystal oscillator
78 X2 Crystal oscillator
79 VDD1 +5V power supply
80 VSS1 Ground
IC301 : MNS73260ACBL
Pin Port
No.
1 VDD +5V power supply
2 OSC2 Crystal oscillator
3 OSC1 Crystal oscillator
4 VSS Ground
5 XI (Connecting to ground)
6 XO(NC)
7 CM (Connecting to ground)
-
8 VREFH Reference voltage
-
9 SW13 Shuter SW
10 SW12 Horizontal origin
-
11 SW11 Clump SW
12 SW10 Play SW
13 SW4 Shuter SW
14 SW3 Tray origin SW
15 SW2 Inner SW
16 SW1 Outer SW
17 VREFL Reference voltage
18 /RESET Reset input
19 - (Ground pull-down)
20 SCKM Clock for serial data
21 SIM CD changer serial data
22 SOM CD changer serial data
23 SQCK Ext. clock for sub. code-Q
24 SUBQ Code for sub. code-Q
25 NC
26 - (Ground pull-down)
27 CD.ON CD changer start/stop
28 NC
29 BLKCK Sub. code block clock
30 P.ON Power switch on
-
31 MUTE Mute output
32 - (Ground pull-down)
33 SENS Servo status
34 CLVS Servo status
35 FLOCK Focus servo lock
36 TLOCK Tracking servo lock
37 VMI Horizontal motor control
38 HMI Vertical motor control
39 HVMUTE H/V motor mute
40-42 - (Ground pull-down)
-
43 SW9 Disc-in (B) SW
-
44 SW8 Disc-in (L) SW
45 SW7 Disc-in (F) SW
46 SW6 Disc push SW
47 SW5 Tray hight SW
48 BDO Drop-out signal
49 DQSY(NC)
50 /RST Reset output
51 STAT Status signal
52 DMUTE Mute output
8
I 5.0
-
O 2.5
O 2.5
O
I 0.6
- -
- 5.0
- 0.4
- 3.2
- 5.0
-
Description I/O (V)
- 5.0
- 2.2
- 2.1
-
-
- -
-
I 5.0
I 4.9
I 4.9
I
I
I 4.9
I
I 4.8
I 4.9
I
I 4.9
-
I 5.0
I 1.3
O 4.3
O 5.0
I 1.6
- -
-
I 5.0
- -
I
- 5.0
O 5.0
-
O
O 5.0
O 0.2
O
O 2.5
O
O
-
I
I
I
I
I 4.5
I
- -
O 5.0
I 2.1
O
0
0
-
0
0
0
-
0
0
0
0
0
0
-
0
-
0
0
0
0
0
0
0
0
0
0
0
0
-
0