53
µ
-COM PORT DESCRIPTION
50
VIDEO IN
IN
COMPOSITE VIDEO SIGNAL INPUT
51
LECHA
IN
WHITE LEVEL INPUT
52
VIDEO OUT
IN/OUT
COMPOSITE VIDEO SIGNAL OUTPUT
53
OSD Vcc
IN
OSD POWER SOURCE INPUT
54
HLF
IN/OUT
FILTER CONNECTION PIN FOR SLICER
55
M CLK
IN/OUT
MONITOR COMMUNICATION SIGNAL OUTPUT
56
V IN
IN
COMPOSITE VIDEO SIGNAL INPUT
57
NUA
IN/OUT
NOT USABLE
58
H SYNC
IN/OUT
HORIZONTAL SYNC INPUT
59
V SYNC
IN/OUT
VERTICAL SYNC INPUT
60
S D2
IN/OUT
DECORDER,ENCORDER IIC DATA LINE 2
61
S D1
IN/OUT
DECORDER,ENCORDER IIC DATA LINE 1
62
S CLK
IN/OUT
DECORDER,ENCORDER IIC CLCOK LINE
63
232 STB
IN/OUT
RS232 CHIP SELECT OUTPUT
64
CS
IN/OUT
FRONT DRIVE IC SELECT OUTPUT
65
232D OUT
IN/OUT
RS232 DATA OUTPUT
66
232D IN
IN/OUT
RS232 DATA INPUT
67
232 CLK
IN/OUT
RS232 CLOCK INPUT
68
S OUT
IN/OUT
FRONT DRIVE IC CONTROL SIGNAL OUTPUT
69
S IN
IN/OUT
FRONT DRIVE IC CONTROL SIGNAL INPUT
70
S CLK
IN/OUT
FRONT DRIVE IC CONTROL CLOCK SIGNAL OUTPUT
71
A/V CLK
IN/OUT
AV IC CONTROL CLOCK SIGNAL OUTPUT
72
A/V DATA
IN/OUT
AV IC CONTROL DATA SIGNAL IN/OUTPUT
73
A MUTE(H)
IN/OUT
MUTE CONTROL SIGNAL OUTPUT
74
REC SAFETY
IN/OUT
RECORD ENABLE SIGNAL INPUT
75
BUZZER SIG
IN/OUT
BUZZER CONTROL SIGNAL OUTPUT
76
DRUM PWM
IN/OUT
DRUM SPEED CONTROL SIGNAL OUTPUT
77
CAP PWM
IN/OUT
CAPSTAN SPEED CONTROL SIGNAL OUTPUT
78
M STB
IN/OUT
MONITOR COMMUNICATION SIGNAL OUTPUT
79
SUPPLY REEL
IN/OUT
SUPPLY REEL SIGNAL INPUT
80
TAKE UP REEL
IN/OUT
TAKE UP REEL SIGNAL INPUT
81
LM F
IN/OUT
LOADING MOTOR FORWARD SIGNAL OUTPUT
82
LM R
IN/OUT
LOADING MOTRO REVERSE SIGNAL INPUT
83
CAM D
IN/OUT
CAM SIGNAL INPUT
84
CAM C
IN/OUT
CAM SIGNAL INPUT
85
NC
IN
NO CONNECTION
86
CAM A
IN/OUT
CAM SIGNAL INPUT
87
CFG
IN
CAPSTAN FG SIGNAL INPUT
88
AMP Vss
IN
ANALOG AMPLIFIERÕS POWER SOURCE INPUT
89
DFG
IN
DRUM FG SIGNAL INPUT
90
DPG
IN
DRUM PG SIGNAL INPUT
91
AMP Vrefout
OUT
ANALOG AMPLIFIERÕS REFERENCE VOLTAGE OUTPUT
92
AMP Vrefin
IN
ANALOG AMPLIFIERÕS REFERENCE VOLTAGE INPUT
93
C
IN
CAPACITOR CONNECTION PIN
94
CTL-
IN/OUT
CTL- SIGNAL IN/OUT
95
CTL+
IN/OUT
CTL+ SIGNAL IN/OUT
96
AMP C
IN
AMPLIFIERÕS AC GROUND
97
CTL AMP
IN/OUT
CTL AMPLIFIERÕS OUTPUT
98
AMP Vcc
IN
ANALOG AMPLIFIERÕS POWER SOURCE INPUT
99
Avcc
IN
REFERENCE VOLTAGE INPUT
100
FR ADJ
IN/OUT
FRAME ADVANCE BREAKE ADJUST VOLTAGE INPUT
Pin No.
Pin Name
Type
Connection
Short Description
Summary of Contents for DQ-K2121N-P
Page 22: ...21 CIRCUIT OPERATION X RAY PROTECTION CIRCUIT DQ K2121N P...
Page 23: ...22 CIRCUIT INFORMATION 1 CONNECTION DIAGRAM DQ K2121N D P...
Page 24: ...23 CIRCUIT INFORMATION 2 POWER SCHEMATIC DIAGRAM DQ K2121N D P...
Page 25: ...24 CIRCUIT INFORMATION 3 RECODER A V SCHEMATIC DIAGRAM DQ K2121N D P...
Page 26: ...25 CIRCUIT INFORMATION 4 SERVO SYSCON SCHEMATIC DIAGRAM DQ K2121N D P...
Page 27: ...26 CIRCUIT INFORMATION 5 FBT CRT SCHEMATIC DIAGRAM DQ K2121N D P...
Page 28: ...27 CIRCUIT INFORMATION 6 LOGIC SCHEMATIC DIAGRAM DQ K2121N D P...
Page 29: ...28 CIRCUIT INFORMATION 7 JACK AUDIO SW SCHEMATIC DIAGRAM DQ K2121N D P...
Page 30: ...29 CIRCUIT INFORMATION 8 MULTIPLEXER SCHEMATIC DIAGRAM DQ K2121N D P...
Page 31: ...30 CIRCUIT INFORMATION 9 MONITOR A V SCHEMATIC DIAGRAM DQ K2121N D P...
Page 55: ...54 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW...
Page 56: ...55 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW...
Page 57: ...56 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW...
Page 58: ...57 COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW...
Page 59: ...58 DISASSEMBLY...
Page 78: ...686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA DAEWOO ELECTRONICS Corp...
