Panasonic AUDI CX-CA1270L Service Manual page 8

AUDI / CX-CA1270L
7.2. CD Servo Block
IC201 : MN662785TBUC
Pin Port
No.
1 DVDD3 +5V power supply
2 D0 D-RAM data
3 D1 D-RAM data
4 NWE D-RAM data write
5 NRAS D-RAM row address strobe
6 D2 D-RAM data
7 D3 D-RAM data
8 NCAS0 D-RAM columun address strobe
9 NCAS1 D-RAM columun address strobe
10 A8 D-RAM address
11-14 A7-4 D-RAM address
15 A9 D-RAM address
16-18 A0-A2 D-RAM address
19 A3 D-RAM address
20 DVSS2 Ground
21 DVDD2 +5V power supply
22 SPOUT Not used
23 TRVP Traverse motor control
24 TRVM Traverse motor control
25 TRP Trackng coil drive
26 TRM Trackng coil drive
27 FDP Focus coil drive
28 FDM Focus coil drive
29 FBAL Focus balance
30 TBAL Tracking balance
31 CSEL (Connecting to VDD)
32 FE Focus error
33 TE Tracking error
34 RFENV RF envelope
35 OFT Off track signal
36 NRFDET RF detecting signal
37 BDO Drop-out signal
38 LDON Laser on signal
39 ARF RF signal
40 IREF Reference current input
41 ADPVCC (Connecting to ground)
42 DSLF Loop filter for DSL
43 DRF Loop filter for DSL
44 PLLF Loop filter for PLL
45 VCOF VCO filter
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 FSEL (Connecting to P3V)
53,54 - (Connecting to ground)
55 FLAG Flag output
56 CLVS Servo status signal
57-60 - Not used
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
69 NRST Reset input
70 SPPOL Not used
71 PMCK Clock output
72 SMCK Clock output
73 SDATA Serial data
74 LRCK LR clock
75 BCLK Bit clock
76 /TEST (Connecting to VDD)
77 X1 Crystal oscillator
78 X2 Crystal oscillator
Descriptions I/O Vol
(V)
- 3.6
I/O 2.0
I/O 2.0
O 3.0
O 3.2
I/O 2.1
I/O 1.9
O 2.8
O 1.4
O 1.0
O 1.1
O 1.1
O 1.1
O 1.1
-
- 3.6
- 1.5
O 1.9
O 1.9
O 1.9
O 1.9
O 2.0
O 2.0
O 1.9
O 1.9
- 3.6
I 2.0
I 1.9
I 1.9
I
I
I
O 3.6
I 1.9
I 1.2
-
- 2.0
- 2.2
- 1.3
- 1.3
- 3.6
-
O 1.8
-
O 1.8
- 3.5
- 3.7
-
O
O 3.6
-
I 2.4
I 1.9
I 3.5
O
I 3.5
O 1.1
I
O 1.1
I 3.6
-
O 2.0
O 1.9
O
O
O
- 1.5
- 1.8
- 1.8
Pin Port
No.
79 DVDD1 +5V power supply
80 DVSS1 Ground
IC301 : C2BBGF000364
Pin Port
No.
1 PS Motor power save
2 BR Brake mode selection
3 GCTL Motor G-control
4 SPCCTL Motor speed control
5 - Not used
6 MCLK Clock for I/F command
7 MDATA Data for I/F command
8 MLD I/F command losd
9 VSS0 Ground
10 VDD0 +3V power supply
11 STAT Status signal
12 FLOCK Focus servo lock
0
13 TLOCK Tracking servo lock
14 SENS Servo status
15 SIM CD changerserial data
16 SOM CD changerserial data
17 SCKM Serial data shift clock
18 SUBQ Code for sub. code-Q
19 - Not used
20 SQCK Ext. clock for sub. code-Q
21 NRST Reset output
22 DMUTE Mute output
23 MUTE Mute output
24 VDD1 +3V power supply
25 AVSS1 Ground
26 SW15 Feeder SW
27 SW3 Tray H SW
0
28 SW4 Disc push SW
0
29 SW5 Disc SW
0
30 SW6 Disc load SW
31 SW7 Eject SW
32 SW13 Eject2 SW
33 CLVS Servo status
0
34 AVREF +3V power supply
35 - Not used
36 /RESET Reset
37 XT2 Not used
38 XT1 (VDD pull-up)
39 IC(VPP) (Connecting to ground)
0
40 X2 Crystal Osillator
41 X1 Crystal Osillator
0
42 VSS1 Ground
43 CDON CD changer start/stop
44 BLKCK Sub. code block clock
45 FG Flag signal
0
46 BD0 Drop-out signal
0
47 FR Revolution detection
48 TRV Forced traverse control
-
49 PWM Not used
50 VMI+ Horizontal motor control
51 VMI- Horizontal motor control
52 MUTE1 Mute output
0
53 LODI+ Loading motor control
54 LODI- Loading motor control
55 HMI+ Vertical motor control
0
56 HMI- Vertical motor control
57 SW1 Inner SW
58 SW2 TrayG SW
-
59 SW8 Play SW
60 SW9 Clump SW
61 SW10 Shuter SW
0
62 SW11 Horizontal origin SW
0
63 SW12 Outer2 SW
0
64 SW14 Outer SW
8
Descriptions I/O Vol
(V)
- 3.6
-
Descriptions I/O Vol
(V)
O 3.5
O
O 1.6
O 3.5
-
O 2.9
O 1.9
O 3.5
-
- 3.5
I 1.2
O
O
O
I 3.1
O 2.2
I 3.2
I 1.7
-
O 3.6
O 3.6
O
O
- 3.5
-
I 3.6
I 3.5
I 0.5
I
I
I
I
O 3.6
- 3.6
-
I 3.6
-
- 3.6
-
- 2.1
- 1.8
-
I 3.1
I
I 1.9
I
I
O 1.9
-
O
O
O 3.6
O
O
O
O
I 3.6
I
I
I 3.6
I 3.6
I 3.6
I 3.7
I 3.6
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
0