Circuit Adjustments - Sony Multiscan CPD-1604S Service Manual

CPD-1604S/1604SA
FREQUENCY
HORIZONTAL
VERTICAL
SYNC
POLARITY
CLOCK
RESOLUTION
MODE
SECTION 5
CIRCUIT ADJUSTMENTS
VGA1 VGA2
HORIZONTAL KHz 31.47
31.47
VERTICAL Hz 70.1 70.1
T1 IJ.S 31.78
31.78
T2
,
IJ.S
3.81
3.81
T3 IJ.S 1.91
1.91
T4 IJ.S
25.42 25.42
T1
H 449 449
T2 H
2 2
T3 H 35
60
T4 H 400
350
HORIZONTAL NEGATIVE POSITIVE
VERTICAL
POSITIVE
NEGATIVE
MHz
25.175 25.175
H
x
V
640 x 400 640 x 350
NO INTERLACE NO INTERLACE
VGA3
31.47
59.94
31.78
3.81
1.91
25.42
525
2
33
480
NEGATIVE
NEGATIVE
25.175
640 x 480
NO INTERLACE
T1: PERIODE. T2: SYNC, T3: BACK PORCH, T4: ACTIVE
Mac II 48KHz
HORIZONTAL KHz
35.01 48.78
FREQUENCY
VERTICAL Hz 66.7 60
Tl IJ.S 28.56
20.5
T2 IJ.S 2.12 1.5
HORIZONTAL
T3 IJ.S 3.16
2.0
T4
IJ.S
21.16
16.0
T1
H 525
813
T2 H 3 3
VERTICAL
T3 H 39 39
T4 H 480 768
SYNC
HORIZONTAL (Sync on G) NEGATIVE
POLARITY
VERTICAL
(Sync on G)
NEGATIVE
CLOCK MHz 30.25 64.000
RESOLUTION H
x
V 640 x 480 1024 x 768
MODE NO INTERLACE NO INTERLACE
Tl: PERIODE, T2: SYNC, T3: BACK PORCH, T4: ACTIVE
-19-
8514
35.5
86.96
28.15
3.92
1.25
22.81
408.5
4
20.5
384
POSITIVE
POSITIVE
44.900
1024 x 768
INTERLACE
57KHz
56.476
70.069
17.707
1.813
1.920
13.653
806
6
29
768
NEGATIVE
NEGATIVE
75.000
1024 x 768
NO INTERLACE
CPD-1604S/1604SA
5-1. DA (DC-1) VR POSITION
DA (OC-1) VR POSITION
r--.,
.......
1 2 3 4 5 6
0 0 0 0 0 0
,. .... r··.,
L
i2 :'
L;:i 0
20
7 6 II 10 11 12
0 0 0 0 0 0
16
000 0
13 14 15
17
o
18
o
:
..... _ ...... _ ............... _ .....................
:
.
.
.
............................................. .
: :
Adjustment Reference
Settings during VGA
No.
switch locked
1 SIDE PIN (L)
RV307
2 SIDE PIN (H)
RV31 0
3
PARA CORE RV308
4
PIN PHASE RV309
5
PIN UP RV313
6 PIN BAL
RV311
7 HORIZONTAL POSITION (L)
RV304
(LOCK)
8 HORIZONTAL SIZE (L) RV306 (LOCK)
9 VERTICAL SIZE (L,)
RV252 480 LINE (LOCK)
10 VERTICAL SIZE (~) RV253 400 LINE (LOCK)
11 VERTICAL SIZE
(L:,) RV254 350 LINE (LOCK)
12 VERTICAL POSITION
RV255
13 HORIZONTAL POSITION (M)
RV303 during receiving 8514 (LOCK)
14 HORIZONTAL SIZE (M)
RV305 during receiving 8514 (LOCK)
15 VERTICAL SIZE (M)
RV251 during receiving 8514 (LOCK)
16
User VR setting (1)
RV257
17
User VR setting (2)
RV256
18
User VR H size maximum value setting RV312
19
20V setting RV314 (*)
20
Fo setting (FH:: Max)
RV301
21
Fo setting (FH :: Min deviation correction)
RV302
22
F-V conversion voltage setting (6V during FH:: Max)
RV601 (*)
23 FreQuency setting of relay switchover signal (40 kHz)
RV602 (*)
( * )
indicate DA (001 )
board
manufacturer adjustment
-20-