39
61
SECAM CON H
P03
SECAM CONTROL : SECAM : "H"
H
SECAM IC
62
MESECAM H
P02
63
HEAD SEL.
P01
O
HEAD SELECTION 2HD : L
4HD : H
H/L
64
RESET H
P00
O
RESET PULSE OUT
H
TIMER
65
P107/Sout1
66
P106/Sin1
67
P105/Sclk1
68
SYS D. OUT
P104/Sout0
O
SYSCON SERIAL DATA OUTPUT
PULSE
TIMEER
69
SYS DATA IN
P103/Sin0
I
SYSCON SERIAL DATA INPUT
PULSE
TIMEER
70
P102/Sclk0B
71
SYS CLK IN
P101/Sclk0a
I
SYSCON SERIAL CLOCK INPUT
PULSE
TIMEER
72
P100/T1
73
P97/T5
74
PAL H
P96/T4
O
PLAYBACK PAL MODE : H
H
PREAMP
75
P95/INT0
76
P94/PWM2
77
CAP PWM
P93/PWM1
O
DRUM MOTOR CONTROL PWM OUTPUT.
PULSE
DECK(DRUM)
78
DRUM PWM
P92/PWM0
O
CAP. MOTOR CONTROL PWM OUTPUT.
PULSE
DECK(CAP)
79
P91/RLS
80
HIGH SPEED
CONTROL
P90/RLT
O
CTL NOISE ERASE FF/REW : L
PLAY,CUE,REV,SLOW : H
H/L
SYSCON
81
S REEL
P86/INT2
I
SUPPLY REEL PULSE INPUT
PULSE
DECK(REEL)
82
T REEL
P85/INT1
I
TAKE-UP REEL PULSE INPUT
PULSE
DECK(REEL)
83
P84/PG
84
C.SYNC
P83/CON
I
COMPOSITE SYNC DATA INPUT
PULSE
85
CAP PG
CPFGin
I
CAPSTAN PG INPUT
PULSE
DECK(CAP)
86
DRUM PG
DRPG/in
I
DRUM PG INPUT
PULSE
DECK(DRUM)
87
DRUM FG
DRFGin
I
DRUM FG INPUT
PULSE
DECK(DRUM)
88
AMP GND
AMP Vss
89
AMP REF OUT
AMPVref out
O
CTL AMP REFERENCE VOLTAGE OUT.
H
90
AMP REF IN
AMPVrefin
I
CTL AMP REFERENCE VOLTAGE IN.
H
91
CTL(-)
CTL(-)
I
CTL PULSE (-) INPUT
PULSE
DECK
92
CTL(+)
CTL(+)
I
CTL PULSE (+) INPUT
PULSE
DECK
93
CTL SW
CTL SWout
O
CTL SW PULSE OUT
PULSE
94
CTL AMP
CTLAMPin
I
CTL SW PULSE IN
PULSE
95
CTL AMP CON.
AMPC
O
CTL AMP GAIN CONTROL
96 CTL
GND
CTLVSS
97
CTL AMP OUT
CTL AMPout
O
CTL AMP PULSE OUTPUT
PULSE
TEST JIG
98
AMPVCC
AMPVCC
I
5V
99
VCC
AVCC
I
5V
100
PB1/AN9
NO.
NAME
PORT
I/O
ASSIGNMENT
ACTIVE
CN
Содержание MV1421
Страница 1: ...SERVICE MANUAL MV1421 1422 4822 34cm 48cm Televideo Effective December 1999 MV4822SERV ...
Страница 6: ...4 3 BLOCK DIAGRAM 3 1 Audio Signal Flow ...
Страница 7: ...5 3 2 Video Signal Flow ...
Страница 8: ...6 3 3 TV and monitor power switching ...
Страница 22: ...20 3 Block Diagram ...
Страница 53: ......
Страница 54: ......
Страница 55: ......
Страница 117: ...2 Main PCB Assy Circuit Diagram SECTION BEFORE AFTER MAIN TUNER ...
Страница 118: ...3 SECTION BEFORE AFTER SUB TUNER ...
Страница 125: ...10 Exploded View MV1421 model ...
Страница 126: ...11 Exploded View MV1422 model ...
Страница 127: ...12 Exploded View MV4822 model ...
Страница 128: ...13 Exploded View DVT 20F9 model ...
Страница 129: ...14 Exploded View DVT 21F1 model ...
Страница 130: ...15 Exploded View DVT 21F2 model ...