Sony Trinitron PVM-1454QM - Circuit Adjustments; A Board Adjustment

5-1. A BOARD ADJUSTMENT
A BOARD - COMPONENT SIDE -
20 11
.__ _ __.I /Cl 04
10
0 TP306
48
SECTION 5
CIRCUIT ADJUSTMENTS
0 TP401
25
0 TP300
CN401
8
0 TP402
PVM-1450QM/1454QM
1 6
C:=JcN503
22 12
'-----'' /C507
11
~ RV501
'1l7 I H. BLK I
H. CENTER
24
'----'' CN505
3
0 TP307
32 17
/C305
16
A BOARD - CONDUCTOR SIDE -
,
0 TP305
0 TP301
C[J D516
A K
-31-
16
16
9
LJ,cso?
1 8
9
I /C503
8
E B
Q363~
C
PVM-1450QM/1454QM
· I I. Preparations I
* When composite video or component signals are supplied from connector CN301, they must be supplied taking into account the effect of
the Q board as indicated on the right.
The levels of the signals supplied must be within + 2% of the standard on the right.
Signal
Signal Contents
Standard Level
(Pedestal-White)
100%WHITE
0.714V
358NT
75%WHITE
0.536V
443NT
BURST
COMPOSITE
(GREEN)
286mV (632mV)
(This item only P-P)
VIDEO
(75% COWR BAR)
!00%WHITE
0.7V
PAL
75%WHITE 0.525V
SECAM
PAL BURST
(GREEN)
300mV (664mV)
(This item only P-P)
100%WHITEY
0.7V
75%WHITEY
0.525V
BETA0
75%COLOR
B-Y,R-Y
0.7V
COMPONENT
(This item only P-P)
(75% COLOR BAR)
100%WHITEY
0.7V
75%WHITEY 0.525V
SMPTE
75%COLOR
B-Y,R-Y
0.525V
(This item only P-P)
* The function or input can be selected by writing the
corresponding data from the table below into microcomputer
(ICl0l) RAM address 0006h.
BIT
FUNCTION DATA
0-3
LINEA/RGB
1
LINE B/COMPONENT 2
LINEC/SDI 3
LINE/RGB 4
EXT SYNC 5
DEGAUSS 6
BLUEONLY
7
UNDER SCAN 8
HNDELAY 9
16: 9 10
4-7
MENU 1
SELECT 2
UP 3
DOWN 4
* In this document, terms inside boxes ._I __ __.I are names of
service mode adjustments.
Example j60H-FREQI
* CONT 80% is the center click position for the user control.
- 32-
Reduction
Ratio
93%
93%
94% (94%)
94%
94%
94% (94%)
94.8%
94.8%
94.8%
94.8%
94.8%
94.8%
Connector Feed Level
(Pedestal-White)
0.664V
0.498V
269mV (594mV)
0.651V
0.488V
282mV (624mV)
0.664V
0.498V
0.664V
0.664V
0.498V
0.498V