Pin No.
Mark
I/O
Function
1
A11
O
DRAM address signal O/P 11
2
A9
O
DRAM address signal O/P 9
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 (No
connection)
17
BA1
-
Motor O/P (1);/Serial I/P (No
connection)
18
PRAMVSS33
-
GND (DRAM)
19
PRAMVDD33
-
Power Supply Voltage (DRAM)
20
PRAMVDD15
-
Power Supply Voltage (+1.6V)
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
IOVDD2
-
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
Terminal
49
ARFOUT
O
AGC Output
50
ARFFB
I
ARF Feedback Signal I/P
51
ARFIN
I
Audio RF Signal I/P
52
DSLF
-
Loop Filter Terminal (For DSL)
Pin No.
Mark
I/O
Function
53
IREF
I
Reference I/P
54
PLLF
I
PLL Loop Filter Terminal (Phase
Compare)
55
PLLF0
O
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
-
Expansion O/P Port 0
63
EXT1
-
Expansion O/P Port 1
64
EXT2
-
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 (No connection)
74
*SMCK
-
Micro-Computer Clock O/P (No
connection)
75
*PMCK
-
IOCNT Serial data O/P
(Synchronous O/P) (No
connection)
76
DVDD2
-
Digital Power Supply Voltage 2
(+1.5V)
77
IOVDD1
-
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
I/O
Data Sigmal O/P 2
84
D1
I/O
Data Signal O/P 1
85
D0
I/O
Data Signal O/P 0
86
D3
I/O
Data Signal O/P 3
87
D4
I/O
Data Signal O/P 4
88
D5
I/O
Data Signal O/P 5
89
D6
I/O
Data Signal O/P 6
90
D7
I/O
Data Signal O/P 7
91
D15
I/O
Data Signal O/P 15
92
D14
I/O
Data Signal O/P 14
93
DRVDD
-
I/O Power Supply Voltage
(DRAM)
94
D13
I/O
Data Signal O/P 13
95
D12
I/O
Data Signal O/P 12
96
D11
I/O
Data Signal O/P 11
97
D10
I/O
Data Signal O/P 10
98
D9
I/O
Data Signal O/P 9
99
D8
I/O
Data Signal O/P 8
100
SDRCK
O
Clock Signal O/P
22 Terminal Function of IC's
22.1. IC7001 (MN6627954MA) Servo Processor,Digital Signal
Processor/Digital filter and D/A Converter
88
SA-AK750GCP
Summary of Contents for SA-AK750GCP
Page 8: ...8 SA AK750GCP ...
Page 13: ...13 SA AK750GCP ...
Page 15: ...With reference to page 15 of the operating instruction manual 15 SA AK750GCP ...
Page 16: ...With reference to page 16 of the operating instruction manual 16 SA AK750GCP ...
Page 27: ...10 3 Main Parts Location 27 SA AK750GCP ...
Page 39: ...10 17 1 Replacement of Pinch Roller and Head Block 39 SA AK750GCP ...
Page 40: ...10 17 2 Replacement of Motor Capstan Belt A Capstan Belt B and Winding Belt 40 SA AK750GCP ...
Page 46: ...12 4 Checking and Repairing of Power P C B 46 SA AK750GCP ...
Page 48: ...48 SA AK750GCP ...
Page 52: ...15 3 Power P C B Transformer P C B 15 4 Panel P C B 52 SA AK750GCP ...
Page 53: ...15 5 Main P C B 53 SA AK750GCP ...
Page 54: ...15 6 Deck P C B 15 7 Waveform Chart 54 SA AK750GCP ...
Page 56: ...56 SA AK750GCP ...
Page 64: ...SA AK750GCP 64 ...
Page 66: ...66 SA AK750GCP ...
Page 86: ...SA AK750GCP 86 ...
Page 91: ...23 Exploded Views 23 1 Cabinet Parts Location SA AK750GCP 91 ...
Page 92: ...SA AK750GCP 92 ...
Page 93: ...23 2 Deck Mechanism Parts Location RAA4403 S SA AK750GCP 93 ...
Page 94: ...23 3 Packaging SA AK750GCP 94 ...