Samsung MM-28 Service Manual page 51

Block Diagrams
No.
Port
51
S 18
52
S 19
53 S 20
54 S 21
55 S 22
56 S 23
57 S 24
58 S 25
59 S 26
60 S 27
61 S 28
62
S 29
63
S 30
64
S 31
65
P0 0
66
P0 1
67
P0 2
68
P0 3
69 P0 4
70 P0 5
71 P0 6
72 P0 7
73 P1 0
74 P1 1
75 P1 2
76 P1 3
77 P1 4
78
P1 5
79
P1 6
80
P1 7
81
P3 0
82
P3 1
83
P3 2
84
P3 3
85 P3 4
86 P3 5
87 P3 6
88 P3 7
89 Vss
90 Vdd
91 P4 0
92 P4 1
93 P4 2
94
P4 3
95
P4 4
96
P4 5
97
P4 6
98
P4 7
99
P5 0
100
P5 1
9-10
I/O
Name
I OPTION
I OPTION
O CE1
O MCK
O MDATA
O MLT
O CD/MUTE
O XRST
I SQDT
I SQCK
I LKFS
I FOK
I TR-CNT
I ISTAT
O MOTOR
O SOLENOID
HALF
I F/REC
I HALL
I MODE
VSS
VDD
I CRO2
I R/REC
O 3S/LED
O POWER
O TA/MUTE
O REC/MUTE
O CRO2/OUT
Descriptions
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
PORT of GRID CONTROL FLT
POWER INPUT CONTROL PORT (5V)
POWER INPUT GRID CONTROL PORT (-30V)
PORT of SEGMENT CONTROL FLT
PORT of SEGMENT CONTROL FLT
PLL IC LC72131 CE
CD CLOCK
µ-COM DATA
µ-COM LATCH
CD MUTE
RESET
CD SUB Q DATA
SUM Q CLOCK
SERVO OK SIGNAL
FOCUS OK
TR-CONTROL
DSP STATE
MOTOR DRIVER OUTPUT
SOLENOID OUTPUT
TAPE HALF
TAPE F/REC
TAPE HALL
TAPE MODE
GROUND
POWER INPUT PORT OF MAIN (5V)
CRO2 INPUT
TAPE R/REC
3S SURROUND LED ACTIVE "H"
POWER ON/OFF ACTIVE "H"
TAPE MUTE ACTIVE "H"
REC MUTE ACTIVE "H"
CRO2 OUTPUT ACTIVE "H"
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