Sony PVM-20M2U Service Manual page 53

~------------------------------------- -
18
I
19
I
20
I
21
1
22
..
...
"
"
"'
>
"
..
I
I
29. PULSE-2
I If ....,.
C493 0.47 2SY F:CHIP
~;r
.~~t
I~Ip~
~
I~
A,,/3)
I
I
I
I
.l~
12 REMOTE
11 VOL
1 CONT
9 PHASE
8 CHROMA
7 BRT
6
APERTURE
~r s
GNil
4
12V
3 Gll!l
2 5V
1 KEY .VIl2.
.J~
I.I
8
GNil
7 IK
.I'
GNil
5
12Y
4 B OUT
3 GOUT
2 ROUT
1 Y.P
113. V BLK
I
I
I
I
(
M I CON. RGB-MA TR I X. )
tlAC. ON SCREEN tl I SPLAY. ·
ON/OFF-MUTS VOL OFF
S~
BLACK-SAMPLIN~
RGB SW
---------- - - - - - - - - - - - - "B-SSiill<u7cd
.....
. .
,
....
;,.;
...
;;;
-61-
TOM IIOARil
CN1D2
TO C BO~ RIJ
CN7D1
• A BOARD WAVEFORMS
CD
C?JM
®
(l[l[l
TT
4. 3 Vp-p ( H l
5. 6 Vp-p ( 1 OMHzl 4. 8 Vp-p ( V l
0
.,P. .,P.•"bM • .,.
0
.,P."\F-1~11'
~
PAL
NT SCI. 51. 4. 43
)
PAL
)
0.3Vp-p(H
) 0. 28 Vp-p ( H 0. 45 Vp-p ( H
SECAN S·YI8EO SEC AN
0. 32 Vp-p ( H ) 0. 35 Vp-p ( H l
0.5 Vp-p ( H )
~
®
@
~
~
NT!Sa.SI
PAL
)
0. 42 Vp-p ( H l
0. 57 Vp-p ( H
NTSC4.43
S-YIIEO
SEC AN
0. 38 Vp-p ( H l
0. 45 Vp-p ( H l
0. 45 Vp-p ( H l
~
0
'lJU'LJ
0
'lJU'LJ
NTSC3.51. 4.43 ( )
0.4Vp-p H
PAL
2.4Vp-p( H
NTSC3.58
) 2. 1 Vp-p ( H
)
5-YI'SO
SEC AN NTSC4.4J
) 0. 2Vp-p( H l
2. 3 Vp-p ( H l
2. 2 Vp-p ( H
AA
0 ®
~
~
S•YIGED ANALOG RGI
2. 4 Vp-p ( H ) 2.7Vp-p(Hl
0. 6 Vp-p ( H l
®JUl
@ Q})
~
PAL~
2. 6 Vp-p ( H l
ANALOG
r·
ANALOG RGI
H l
SEC AN
0. Vp-p ( H l 0. 6 Vp-p (
2.5Vp-p( H l
Q})
([D
Q})
~
-J1ll-Jl1lLv 1fLu-
NTSC3.58 (
2. 4 Vp-p H )
S·YIIIED ANALOG ROB
NTSC4.43
2.4Vp-p( H)
3. 0 Vp-p ( H l
2.5 Vp-p ( H l
©
0-JUUUls-- @-JUUUls-
_j___JL
PAL NTSCI.SI
1. 8 Vp-p ( H )
1 •
~
Vp-p ( H l
4.6 Vp-p (
v )
SEC AM NTSC4.4
H l
1. 9 Vp-p ( -H ) 1 • 7 Vp-p (
@
0
-JUUUls-
Q9
\ \
1\llfuuA
\
-
"---...___
......
S·YIGED ANALOG RGB
H l
3.7Vp-p(H) 1. 9 Vp-p ( H l 2. 4 Vp-p (
@
_j___JL
3. 6 Vp-p ( V )
A BOARD (1/3) *MARK UST
I I
PVM-20M4U/EIA
I
PVM-20M2U/E
R414 . 10k: CHIP . 0: CHIP
# :Not Used
-62-
A BOARD (1/3) * MARK
PAL
SECAM
NTSC NTSC
S·VIDEI
3.58 4.43
ICIOI
<2)
2.3 2.4 2.2 2.2 2.0
Q) 4.5 4.6 4.5 4.4 4.4
~ 4.1 3.4
0 0.1 0
@ 3.4 3.5 3.5 3.5 3.1
8 0 0 0 0 4.8
lit
0 0 0 0 0
@ 4.9 5.0 0 0 0
@ 5.0 5.0 0 5.0 0
@
5.0 5.0
0 0 0
® 0 5.0 0 0 0
3
0.1 0 0.1 0.1 4.9
3 5.0 5.0 5.0 5.0 0
3 5.0 5.0 5.0 5.0 4.9
lit 5.0
5.0
5.0 5.0 5.0
® 4.2
4.1
4.6 5.0 3.9
® 4.0
4.0 4.6 5.0
3.6
® 0.3
4.4
0.1
0.1
0.1
@
4.2
0.1
4.3
4.2
42
® 4.0 3.4 3.6 3.7 3.9
$ 0.5 0.9 1.0 0.8 3.1
® 3.0 2.5 2.6 2.3 3.8
@ 3.6 3.0 2.9 3.2 3.9
0
4.0
4.0 4.0 4.0
2.9
ICI03~
0.2 0 0.2
0.2
0
ICI04 ® 2.3 2.3 2.2 2.2 2.0
8
3.5 3.5 3.5 3.5 3.1
IC105 Q) 2.3 2.3 2.2 2.2
0
(S) 0 0.1 0.1 0 11.8
9
2.6
2.7 2.7 2.6 2.8
8 5.4 5.4 5.4 5.4 6.6
ICIOB
Q)
2.3 2.3 2.2 2.2 2.1
(5) 5.4 5.4 5.4 5.4 4.1
(!) 2.4 2.4 2.4 2.4
0.5-
~ 7.8 7.8 7.8 7.7
~-~
® 5.1 5.1 5.1 5.1 4.0
® 0.1 10.5 10.5 10.5 10.9
® 3.1 3.1 2.6 3.1 2.7
®
2.4 4.6 2.1 2.2 2.1
@ 6.3 6.3 11.9 9.0 10.7
lit 3.6 3.6 4.8 3.6 4.3
® 0.8 1.8 0.4 0.3 2.4
IC107 (2) 4.6
4.5
4.5 4.5 4.4
Q) 2.3 2.3 2.2 0 2.1
®
2.8 2.8 2.8
2.8 3.3
~ 1.5 1.4 1.4 1.4
2.3
(!) 2.9 2.9 2.9 2.9 2.1
(I)
2.6 2.6 2.6 2.6 2.9
® 2.9 2.9 2.9 2.9 2.6
® 2.6 2.6 2.8 2.8 2.8
at
3.2 3.2 5.4 5.4
5.3
lit
4.5 4.6 5.0 5.0 3.7
® 6.3 6.3 6.1
6.1 6.0
ICI09 (2) 4.6 4.5 4.5 4.5 4.4
Q) 2.3 2.3 2.2 2.2 2.1
®
11.9 11.9 11.9 11.9 11.9
@
11.9
11.9
0.1 0 0.1
1C110 Q) 2.3 2.4 2.2 22 2.0
® 7.2 7.2 7.2 7.2 8.3
® 5.8 5.8
5.8 5.8 6.2
®
11.9 11.9 11.9 11.9 7.8
® 0 7.9 7.9 7.9 7.8
@ 3.7 3.7
3.5 3.5 3.5
IC111
®
0.3 0.3 0.3 0.3 0
0
0.2 0 0.1 0.1 0.1
@ 0 5.0 5.0 5.0
0
@
5.0 5.0 5.0 5.0 0
IC402
(2)
3.1
3.9 2.9 3.0 3.0
Q) 0 2.3 2.3 0 2.2
<D
2.9
2.9
2.9 0 2.9
IC403 ()) 0.8 0.8 0.8 0.8
0.8
(2) 1.2 1.2 0.8 0.8 1.2
Ql 1.4
1.3 0.9 0.9 1.3
® 0.8 0.8
0.9 0.9 0.8
® 0.6 0.5 0.6
0.6 0
® 0.5 0.6 0.6 0.6
0.6
(I) 1.0 1.0 1.0 1.0 0.8
® 1.6 1.5 1.1 1.1 1.4
~ 1.4 1.4
1.0 1.0
12
0 0.9 1.0 1.0 1.0
0.8
01 0.6 0.6 0.6 0.6
0
IC404
~ 3.0 3.0
3.0 3.0 4.5
(!) 4.9 4.9 4.9 4.9 4.7
(t
5.6 5.6 5.6 5.6 5.6
@ 5.6 5.6
5.6 5.6 5.6
@ 0 0.1 0
0 0
® 3.8 4.0
4.1 4.2 4.0
•
7.1 6.6 8.0 8.0 1.1
4ll 1.4
1.3 1.2 1.1 1.2
@ 1.0 7.3
8.1 7.8 7.8
® 1.4 1.3 1.2 1.1
1.2
•
7.8 7.8 1.1 7.8 8.0
Qt
6.9 7.1 7.8 1.1 7.6
@ 1.2 1.2
1.0 1.0 1.2
@ 7.2 7.2
7.2 7.2 8.3
~
7.2 7.2
7.2 7.2 6.9
@ 6.6 6.6 6.6
6.6 5.5
IC405 ())
1.6 1.5 1.1 1.3 1.4
(}) 1.4 1.4
0.9 0 1.?
Q) 1.2 1.2 0.9
0 1.1
® 1.4
1.3 1.0 0 1.2
(5) 1.3 1.3
1.0 0 1.2
(t
0.5 0.5 0.6
1.0 0.3
0 0.5
0.5 0.6 1.3 0.3
@
1.2 1.2 0.8 1.1
1.2
01 1.4 1.3 0.9
1.3 1.3
® 1.2 1.2 0.8 1.2
1.2
01
1.4 1.3 1.0 1.3 1.2
IC406 ()) 4.8 5.1 4.8
4.8 4.8
Q)
0.8 0 0.9 0.9
0.8
(S)
1.0 0.9 1.0 1.0 0.8
~
1.0 1.0 1.1 1.1
0.8
<D
5.1 5.1 4.9 4.9 4.9
IC407())
1.2 1.2 0.9 1.2 1.2
<2>
0.4 -0.1
0.5 0.3 0.4
Q) 1.4 1.3
1.0 1.3 1.2
® 0.6 0
0.7 0.5 0.5
® 2.0 1.8 2.0
2.0 2.0
® 11.7 10.7 11.6 11.3 11.7
~
5.5 5.5 5.5 5.5 5.4
® 5.5
5.5 5.5 5.5 5.4
3 1.4 1.4
1.0 1.3 1.2
0 0.6 -0.1 0.7
0.6 0.5
@
2.0 1.1 2.0 2.0
2.0
01 2.0 1.7 2.0
2.0 2.0
IC408 ())
3.1 2.9 2.9 3.1 3.7
<D
4.1 3.8 3.9 4.1
42
1C409 ())
0
8.8
9.0 9.4
0
Ql
0 0.6 0.4 0.3
0.3
(I) 5.9 5.9
6.3 0 5.9
<ll
5.9 5.9 6.3 6.0
5.9
<D
5.9 5.9 6.3 6.0 5.9
@ 0.1 1.8
0.5 1.2 0.1
® 0 10.7 6.6
6.9 0
Schematic diagram
.. lA(1/3)lboarct