Samsung SC-140 Service Manual page 9

SCR-140(A4)-en 99.3.15 8:47 AM ˘ ` 17
PIN DESCRIPTIONS
NO SYMBOL
1 VSS3
2 BCK
3 AOUT
4 DOUT
5 MBOV
6 IPF
7 SBOK
8 CLCK
9 VDD3
10 VSS5
11 DATA
12 SFSY
13 SBSY
14 SPCK
15 SPDA
16 COFS
17 MONIT
18 VDD5
19 TESTOO
20 AWRC
21 PVDD3
22 PDOS
23 PDO
24 TMAXS
25 TMAX
26 LPFN
27 LPFO
28 PVREF
29 VCOREF
30 VCOF
31 AVSS3
32 SLCO
33 RFI
34 AVDD3
35 RFCT
36 RFZI
37 RFRP
38 FEI
39 SBAD
40 TEI
41 TEZI
42 FDO
43 TRO
44 VREF
45 RFGC
46 TEBC
47 FMO
48 FVO
49 DMO
50 VSS3
DESCRIPTIONS
DIGITAL GND TERMINAL
BIT CLOCK OUTPUT TERMINAL (1.411MHz)
AUDIO DATA OUTPUT TERMINAL
DIGITAL DATA OUTPUT TERMINAL
BUFFER MEMORY OVER SIGNAL OUTPUT TERMINAL
COMPLEMENTARY BLOCK OUTPUT TERMINAL
CRCC RESULT OUTPUT TERMINAL FOR SUBCODE Q DATA
SUBCODE P-W DATA READ CLOCK TERMINAL
DIGITAL +3.3V POWER TERMINAL
DIGITAL GND TERMINAL
SUBCODE P-W OUTPUT TERMINAL
PLAY DEVICE FRAME SYNC SIGNAL OUTPUT TERMINAL
SUBCODE BLOCKING OUTPUT TERMINAL
DSP INTERNAL STATUS CHECKING CLOCK TERMINAL
DSP STATUS OUTPUT TERMINAL
ERROR CORRECTION CLOCK (7.35 MHz)OUTPUT TERMINAL
DSP INTERNAL STATUS OUTPUT TERMINAL
DIGITAL +5V TERMINAL
TEST TERMINAL
VCO OUTPUT TERMINAL FOR ACTIVE-WIDE RANGE PLL
+3.3V POWER TERMINAL FOR PLL-EXCLUSIVELY
POSITION GAP SIGNAL OUTPUT TERMINAL OF EFM & PLCK SIGNALS
POSITION GAP SIGNAL OUTPUT TERMINAL OF EFM & PLCK SIGNALS
TMAX DETECTION RESULT OUTPUT TERMINAL
TMAX DETECTION RESULT OUTPUT TERMINAL
AMP REVERSE INPUT TERMINAL FOR LOW-PASS FILTER
AMP OUTPUT TERMINAL FOR LOW-PASS FILTER
VREF(+1.65V) FOR PLL ONLY
VCO CENTER FREQUENCY BASE LEVEL VOLTAGE TERMINAL
VCO FILTER TERMINAL
ANALOG GNDTERMINAL
DATA SLICE GENERATING DIGITAL/ANALOG CONVERT OUTPUT TERMINAL
RF SIGNAL INPUT TERMINAL
ANALOG +3.3V POWER TERMINAL
RERP SIGNAL INTERMEDIATE VOLAGE
INPUT TERMINAL FOR RERO ZERO CROSS
RF RIPPLE SIGNAL INPUT TERMINAL
FOCUS ERRORSIGNAL INPUT TERMINAL
SUBBEAM ADDITION SIGNAL INPUT
TRACKING ERROR SIGNAL INPUT
TRACKING ERROR ZERO CROSS INPUT
FOCUS EQ. OUTPUT TERMINAL
TRACKING EQ. OUTPUT TERMINAL
ANALOG-BASED POWER(+1.65V)
RF AMPLITUDE CONTROL SIGNAL OUTPUT TERMINAL
TRACKING BALANCE CONTROL SIGNAL OUTPUT TERMINAL
FEED EQ. OUTPUT TERMINAL
SPEED ERROR OR FEED EQ OUTPUT TERMINAL
DISK MOTOR EQ OUTPUT TERMINAL
DIGITAL GND TERMINAL
NO SYMBOL
51 VDD3 DIGITAL +3.3V POWER SOURCE TERMINAL
52 SEL AUTO POWER CONTROL ON/OFF SIGNAL OUTPUT TERMINAL
53 FLGA INTERNAL SIGNAL CHECKING FLAG TERMINAL
54 FLGB INTERNAL SIGNAL CHECKING FLAG TERMINAL
55 FLGC INTERNAL SIGNAL CHECKING FLAG TERMINAL
56 FLGD INTERNAL SIGNAL CHECKING FLAG TERMINAL
57 VDD3 DIGITAL +3.3V POWER TERMINAL
58 VSS3 DIGITAL GND
59 I00 GENERAL I/O TERMINAL
60 I01 GENERAL I/O TERMINAL
61 I02 GENERAL I/O TERMINAL
62 I03 GENERAL I/O TERMINAL
63 /DMOUT 100~1 OUTPUT MODE SELECT TERMINAL
64 /CKSE OSCILLATING DEVICE SELECT TERMINAL
65 /DACT DIGITAL/ANALOG CONVERT TEST TERMINAL
66 FGIN DIGITAL/ANALOG CONVERT TEST TERMINAL
67 TESI01 TEST INPUT TERMINAL
68 TESIN TEST INPUT TERMINAL
69 TEST0 TEST TERMINAL
70 TEST1 TEST TERMINAL
71 TEST2 TEST TERMINAL
72 XVSS3 MICOM CLOCK DRIVING CIRCUIT GND TERMINAL
73 XI MICOM CLOCK DRIVING CIRCUIT INPUT TERMINAL
74 XO MICOM CLOCK DRIVING CIRCUIT OUTPUT TERMINAL
75 XVDD3 MICOM CLOCK DRIVING CIRCUIT +3.3V POWER TERMINAL
76 DVSS3 D/A CONVERT R CHANNEL ANALOG GND TERMINAL
77 RO R CHANNEL AUDIO OUTPUT TERMINAL
78 DVDD3 DIGITAL/ANALOG CONVERT +3.3V POWER TERMINAL
79 DVR DIGITAL/ANALOG CONVERT BASE VOLTAGE TERMINAL
80 LO L CHANNEL AUDIO OUTPUT TERMINAL
81 DVSS3 D/A CONVERT L CHANNEL ANALOG GND TERMINAL
82 TEST3 TEST TERMINAL
83 TEST4 TEST TERMINAL
84 BUS0 DATA INPUT TERMINAL FOR MICOM INTERFACE
85 BUS1 DATA INPUT TERMINAL FOR MICOM INTERFACE
86 BUS2 DATA INPUT TERMINAL FOR MICOM INTERFACE
87 BUS3 DATA INPUT TERMINAL FOR MICOM INTERFACE
88 VDD5 DIGITAL 5V POWER SOURCE TERMINAL
89 VSS5 DIGITAL GNDTERMINAL
90 /XRD READ SIGNAL FOR MICOM INTERFACE
91 /XWR WRITE SIGNAL FOR MICOM INTERFACE
92 /XCM FIRST WORD RECOGNIZE SIGNAL FOR MICOM INTERFACE
93 /XCE MICOM INTERFACE CHIP ENABLE TERMINAL
94 TEST5 TEST MODE SELECT TERMINAL
95 /RST RESET INPUT TERMINAL
96 /HSO PLAY SPEED MODE FLAG OUTPUT TERMINAL
97 /UHSO PLAY SPEED MODE FLAG OUTPUT TERMINAL
98 /SHSO PLAY SPEED MODE FLAG OUTPUT TERMINAL
99 EMPH EMPHASIS FLAG OUTPUT TERMINAL OF SUBCODE QDATA
100 LRCK CHANNEL CLOCK (44.1KHz) OUTPUT TERMINAL
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DESCRIPTIONS