17
28
VC C A
VC C A
A nalog Supply for Slicer
29
IR EF
IR EF
R eference current for slicer PLLs
30
C VBS
C VBS
C VBS IN PU T
31
P2.3/8bit AD C
AFT2
A FT IN PU T for SU B TU N ER
32
P2.3/8bit AD C
AG C
A G C IN PU T for ATS SO RTIN G
33
P2.3/8bit AD C
KEY1
K EY M ATR IX IN PU T
34
P2.3/8bit AD C
KEY2
K EY M ATR IX IN PU T
35
VSS
VSS
G R O U N D
36
P3.3/IN T1
IR IN PU T
R EM O C O N IR IN PU T
37
VD D
VD D
P O W ER SU PPLY
38
LC IN
O SC IN
C LO C K IN for O SD
39
LC O U T
O SC O U T
C LO C K O U T for O SD
40
P3.7/TXT/I/O
S/S D ATA
S YSC O N SE R IAL D ATA IN PU T
41
P3.7/R XD
S/S C LK
S YSC O N SE R IAL C LO C K
42
P3.4T1
P.D ET
P O W ER D ETEC TO R : L
43
P3.4T0
M O N O N L
TV M O N ITO R O N : L
44
P3.2IN T0
S/S D ATA
S YSC O N SE R IAL D ATA O U TPU T
45
H S/SC
H /SYN C
H SYN C IN (Active H )
46
P4.7/VS
V/SYN C
V SYN C IN (Active H )
47
R
R
R ED O U T
48
G
G
G R EEN O U T
49
B
B
B LU E O U T
50
BLAN K
BL
B LAN KIN G O U T
51
C O R
C O R
C O N TR AST R E D U C TIO N O U T
52
P3.0
EVEN /O D D
E VEN /O D D O U T for non-interacing in TTX m ode
P IN
N A M E
S Y M B O L
D ES C R IP TIO N
Summary of Contents for MV1421
Page 1: ...SERVICE MANUAL MV1421 1422 4822 34cm 48cm Televideo Effective December 1999 MV4822SERV ...
Page 6: ...4 3 BLOCK DIAGRAM 3 1 Audio Signal Flow ...
Page 7: ...5 3 2 Video Signal Flow ...
Page 8: ...6 3 3 TV and monitor power switching ...
Page 22: ...20 3 Block Diagram ...
Page 53: ......
Page 54: ......
Page 55: ......
Page 117: ...2 Main PCB Assy Circuit Diagram SECTION BEFORE AFTER MAIN TUNER ...
Page 118: ...3 SECTION BEFORE AFTER SUB TUNER ...
Page 125: ...10 Exploded View MV1421 model ...
Page 126: ...11 Exploded View MV1422 model ...
Page 127: ...12 Exploded View MV4822 model ...
Page 128: ...13 Exploded View DVT 20F9 model ...
Page 129: ...14 Exploded View DVT 21F1 model ...
Page 130: ...15 Exploded View DVT 21F2 model ...