Service manual
Reference Information
Samsung Electronics 2-13
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
-31 XT1P96
-XT2P97
Test pin. connect to TEST2TEST1TEST1
Test pin. connect to TEST1TEST2TEST2
EEPROM CLOCKECKPA0
EEPROM DATA I/OEDTPA1
EEPROM WRITE PROTECTEWCPA2
-PA3
-PA4
-PA5
-PA6
-PA7
Address latch enableALEALE
VCCVcc
Address/Data 0HAD0AD0
Address/Data 1HAD1AD1
Address/Data 2HAD2AD2
Address/Data 3HAD3AD3
Address/Data 4HAD4AD4
Address/Data 5HAD5AD5
Address/Data 6HAD6AD6
Address/Data 7HAD7AD7
Address 8HA8A8
Address 9HA9A9
Address 10HA10A10
Address 11HA11A11
Address 12HA12A12
Address 13HA13A13
Address 14HA14A14
Address 15HA15A15
FUNCTION
ASSIGNED
NAME
PORT
NAME
No
I/O
O
O
-
-
O
I/O
O
O
O
O
O
O
O
-
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
O
O
O
O
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
A/D Ref input (L)1 GNDVREFL
A/D GND inputAGNDAVss
A/D VCC inputAVCCAVcc
Non-maskable interrupt-/NMI
DSP H/W resetZRSTP70
Master clock selectMCK_SELP71
AV-DEC H/W resetZIVA_RSTP72
Open/close blinkingLEDP73
Interrupt from AV-DECDVDINT/INT4
Interrupt from front micomSRQINT5
Open switchOPENP82
Close switchCLOSEP83
Interrupt from spindle motor FGFGINT/INT6
-
INT7
Request to front micomRRQP86
Interrupt from DSPZINTINTO
Serial data outputRXDTXDO
Serial data inputTXDRXDO
Serial data clockSCLKSCLKO
RF control dataMDTXD1
RF data latchSTB094
RF control clockMCSCLK1
Address mode (H: 8 bit mode)AM8AM8/16
Clock output (System clock÷2)CLKCLK
VCCVcc
GNDGNDVss
High frequency OSC inX1X1
High frequency OSC outX2X2
External access CS41/CS40/EA/EA
Master reset from FRONT/MRST/RESET
FUNCTION
ASSIGNED
NAME
PORT
NAME
No
I/O
I
-
-
I
O
O
O
O
I
I
I
I
I
I
O
I
O
I
I
O
I/O
O
I
O
-
-
I
O
I
I
80
81
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
Watch dog timer output61 WDTOUT/WDTOUT
GNDVSS
VCCVcc
Address 16HA16A16
Address 17 (AV-DECODER)HA17A17
Address 18 (Data processor)HA18A18
Address 19HA19A19
Address 20 (D. SERVO)HA20A20
Address 21HA21A21
Address 22HA22A22
Address 23HA23A23
/Read strobe/RD/RD
/Write strobe/WR/WR
-P32
/Wait/MWAIT/WAIT
RCODEP34
-P35
-P36
-P37
Chip select 1
(SRAM, 1M Bit, 128KB)
/CS1
/CS1
-P40/CS0
FUNCTION
ASSIGNED
NAME
PORT
NAME
No
I/O
O
-
-
O
O
O
O
O
O
O
O
O
O
I/O
I
I/O
I/O
O
I/O
-
O
99
98
97
96
95
94
93
LOCK monitor from DSP92 SLOCKP50
Monitor signalTILTOP51
Spindle direction from SP driverFRP52
SENSE monitor from SERVOSENSEP53
Focus lock monitor from RFFOKBP54
Tracking lock monitor from SERVO
RFRP1P55
RF sum signalRFOP56
VREFOP57
FUNCTION
ASSIGNED
NAME
PORT
NAME
No
I/O
I
I
I
I
I
I
I
100
A/D Ref input (H)AVCCVREFH
I
O
I/O
O
O
O
I/O
O
O
O
-
91
90
89
88
87
86
85
84
83
82
Chip slect 2
(EPROM, 4M Bit, 512KB)
/CS2
/CS2
-P60
Tray in control outputTRAY-INP61
Tray out control outputTRAY-OUTP62
IIC clock (VIDEO ENCODER)SCLP63
IIC clock (VIDEO ENCODER)SDAP64
D.Servo IC data/Address selectDABP65
D.Servo IC chip selectCSBP66
D.Servo IC resetRSTBP67
GNDVss