Panasonic SA-PM42EP, Service Manual

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20 Terminal Function of IC’s
20.1. IC7001 (MN6627954AMA) IC SERVO PROCESSOR
Pin No. Mark I/O Function
1 A9 O DRAM address signal O/P 9
2 A11 O DRAM address signal O/P 11
3 A8 O DRAM address signal O/P 8
4 A7 O DRAM address signal O/P 7
5 A6 O DRAM address signal O/P 6
6 A5 O DRAM address signal O/P 5
7 A4 O DRAM address signal O/P 4
8 NWE O Write Enable Signal (DRAM)
9 NCAS O DRAM CAS Control Signal
10 NRAS O DRAM ARS Control Signal
11 A3 O DRAM address Signal O/P 3
12 A2 O DRAM address Signal O/P 2
13 A1 O DRAM address Signal O/P 1
14 A0 O DRAM address Signal O/P 0
15 A10 O DRAM address Signal O/P 10
16 BA0 - Motor O/P (0);/Serial I/P
17 BA1 - Motor O/P (1);/Serial I/P
18 PRAMVSS33 - GND (DRAM)
19 PRAMVDD33 - Power Supply Voltage (+1.6V)
20 PRAMVDD15 - Power Supply Voltage (DRAM)
21 SPOUT O Spindle Drive O/P
22 PC I/O Spindle motor drive O/P signal serial
data/Monitoring I/P
23 TRVP O Traverse Drive O/P (+ve)
24 TRP O Tracking Drive O/P (+ve)
25 FOP O Focusing Drive O/P (+ve)
26 DVSS1 - GND
27 IODD2 - Digital Power Supply Voltage 2 (I/O)
28 DVDD1 - Digital Power Supply Voltage 1
(Built-In)
29 SRVMON0 - No Connection
30 SRVMON1 - No Connection
31 AVSS2 - GND
32 OSCIN I Oscillating Input
33 CTRCRS - Tracking Cross Comparator
34 VREF - +Vref Supply Voltage
35 E I Tracking Input Signal 1
36 F I Tracking Input Signal 2
37 D I Focusing Input Signal 4
38 B I Focusing Input Signal 2
39 C I Focusing Input Signal 3
40 A I Focusing Input Signal 1
41 PD I APC Amp I/P
42 LD O Laser Drive Current O/P
43 CENV - Detection Capacitance Connection
terminal
44 RFENV O RF Envelope O/P
45 RFOUT O RF Summing Amp O/P
46 RFIN I SGC I/P
47 AVDD2 - Analog Power Supply voltage 2 (For
DSL/PLL)
48 ARFDC - AGC Capacitive Connection Termi-
nal
49 ARFOUT O AGC Output
50 ARFFB I ARF Feedback Signal I/P
51 ARFIN I Audio RF Signal I/P
52 DSLF I Loop Filter Terminal (For DSL)
53 IREF - Reference I/P
54 PLLF - PLL Loop Filter Terminal (Phase
Compare)
55 PLLF0 - PLL Loop Filter Terminal (Speed
Compare)
56 OUTL O Audio O/P (LCH)
57 AVSS1 - GND
58 AVDD1 - Analog Power Supply Voltage 1
59 OUTR O Audio O/P (RCH)
60 DVSS3 - GND3 (Digital Circuit)
61 NSRVMONON I Servo Motor O/P Enabling
62 EXT0 / SRDATA
(ST_IN)
- Expansion O/P Port 0
63 EXT1 / LRCK
(ST_REQ)
- Expansion O/P Port 1
64 EXT2 / BCLK
(ST_CLK)
- Expansion O/P Port 2
65 FLAG - Flag Signal O/P
66 TX - Digital Audio Interface O/P signal
67 MCLK I Micro-Computer Command Clock I/
P
68 MDATA I Micro-Computer Data I/P
69 MLD I Micro-Computer Load I/P
70 STAT O Status Signal O/P
71 BLKCK O Subcode Blk Clock
72 NRST O LSI Reset Signal
73 DQSYTXT - Pack Signal O/P for CD-Text data
74 SMCK - Micro-Computer Clock O/P
75 PMCK - IOCNT Serial data O/P (Synchro-
nous O/P)
76 DVDD2 - Digital Power Supply Voltage 2
(+1.5V)
77 IODD1 - Digital Power Supply Voltage 1 (For
I/O)
78 DVSS2 - GND2 (For Digital Circuit)
79 NTEST2 I Test Mode Setting (ON:H)
80 X2 O Crystal Oscillating Circuit O/P
81 X1 I Crystal Oscillating Circuit I/P
82 NTEST I Test Mode Setting I/P (ON:H)
83 D2 O Data Sigmal O/P 2
84 D1 O Data Signal O/P 1
85 D0 O Data Signal O/P 0
86 D3 O Data Signal O/P 3
87 D4 O Data Signal O/P 4
88 D5 O Data Signal O/P 5
89 D6 O Data Signal O/P 6
90 D7 O Data Signal O/P 7
91 D15 O Data Signal O/P 15
92 D14 O Data Signal O/P 14
93 DRVDD - I/O Power Supply Voltage (DRAM)
94 D13 O Data Signal O/P 13
95 D12 O Data Signal O/P 12
96 D11 O Data Signal O/P 11
97 D10 O Data Signal O/P 10
98 D9 O Data Signal O/P 9
99 D8 O Data Signal O/P 8
100 SDRCK O Clock Signal O/P
Pin No. Mark I/O Function