Sony KV-21HFV100 (serv.man2) Service Manual ▷ View online
– 13 –
KV-21HFV100
RM-W112
SECTION 3
CIRCUIT ADJUSTMENTS
3-1.
ADJUSTMENT WITH COMMANDER
Service adjustments to this model can be performed using the supplied remote commander RM-W112.
a. ENTERING SERVICE MODE
With the unit on standby
With the unit on standby
This operation sequence puts the unit into service mode.
This screen display is:
This screen display is:
b. METHOD OF CANCELLATION FROM SERVICE MODE
Set the standby condition (Press [POWER] button on the commander), then press [POWER] button again, hereupon it
becomes TV mode.
Set the standby condition (Press [POWER] button on the commander), then press [POWER] button again, hereupon it
becomes TV mode.
c. METHOD OF WRITE INTO MEMORY
1. Set to Service Mode.
2. Press
1. Set to Service Mode.
2. Press
1
(UP) and
4
(DOWN), to select the adjustment item.
3. Change item by pressing
3
,
6
.
4. Press [MUTING] button to indicate WRITE on the screen.
5. Press
5. Press
-
button to write into memory.
d. MEMORY WRITE CONFIRMATION METHOD
1. After adjustment, pull out the plug from AC outlet, and then plug into AC outlet again.
2. Turn the power switch ON and set to Service Mode.
3. Call the adjusted items again to confirm adjustments were made.
1. After adjustment, pull out the plug from AC outlet, and then plug into AC outlet again.
2. Turn the power switch ON and set to Service Mode.
3. Call the adjusted items again to confirm adjustments were made.
t [DISPLAY] t 5 t [VOL $+% ] t [POWER]
item no.
service data
NVM
field
channel no./
category
in decimal
item name
in decimal
NG
service command
frequency
video input name
GEOM
006
HSIZ
031
x
SERVICE
60
S VIDEO 1
software
service data
reserved
power on time
release ID
version
in binary
for factory
color system
(decimal)
SUS01
0.69U
0001 1111
FF FF
NTSC3
65535
Status Byte
Status Byte
Flash DCXO
#1 SSD
#2 SSD
111 11 11 1 7 11
FG
xy 111
000000
000000
VDSP_C Flag
CO_LOCKED
VDSP
Detected Stereo Type (Direct Value from CZ_ Stereo_Mode)
S : for Sony
A : Aiwa
A : Aiwa
U S
: US/Latin/Taiwan
E U
: Europe
G A
: General Area
J P
: Japan
0 1 : serial no. of the M/P release
for each destination
111
Needed for Nicam DCXO aligment Purpose
xy
Value of x = 0 - Unknown, 1 - BTSC, 2 - A2, 3 - NICAM,
4 - KOREAN, 5 - Japan, 6 - AV Stereo
Value of y = 0 - Mono, 1 - Stereo, 2 - Bilingual, 4 - SAP/Single
4 - KOREAN, 5 - Japan, 6 - AV Stereo
Value of y = 0 - Mono, 1 - Stereo, 2 - Bilingual, 4 - SAP/Single
1, 4
Select the adjustment item.
r
3, 6
Raise/lower the data value.
r
[MUTING]
Writes.
r
-
Executes the writing.
– 14 –
KV-21HFV100
RM-W112
e. OTHER FUNCTION VIA REMOTE COMMANDER
7, -
All the data becomes the values in memory.
8, -
All user control goes to the standard state.
Display, -
Service data initialization (Be sure not to use usually.)
2, 5
Select Device or Category
3-2.
ADJUSTMENT METHOD
Item Number 000 HPOS
This explanation uses H POSITION as an example.
1. Select "000 HPOS" with the
This explanation uses H POSITION as an example.
1. Select "000 HPOS" with the
1
and
4
buttons, or
2
and
5
.
2. Raise/lower the data with the
3
and
6
buttons.
3. Select the optimum state. (The standard is IF for PAL reception.)
4. Write with the [MUTING] button. (The display changes to WRITE.)
5. Execute the writing with the
4. Write with the [MUTING] button. (The display changes to WRITE.)
5. Execute the writing with the
-
button. (The WRITE display will be changed to red color while excuting, and back to
SERVICE.)
Example on screen display :-
Use the same method for all Items. Use
1
and
4
to select the adjustment item, use 3 and 6 to adjust, write with
[MUTING], then execute the write with
-
.
Note : 1. In [WRITE], the data for all items are written into memory together.
2. For adjustment items that have different standard data between 50Hz or 60Hz, be sure to use the respective
input signal after adjustment.
Adjusted with [3] and [6] buttons.
GREEN
GEOM 000 HPOS 039 SERVICE 50 VIDEO
1
write with [MUTING].
GREEN
GEOM 000 HPOS 039 WRITE 50 VIDEO 1
GEOM 000 HPOS 039 WRITE 50 VIDEO 1
Write executed with [0].
RED
The WRITE display
then returns to green
SERVICE
then returns to green
SERVICE
–
15
–
KV
-21HFV100
-21HFV100
RM-W112
Adjustment Item Table
NOTE
a) In the initial value (detailed)column, the data after the slash mark ("/") refers to NTSC model data.
a) In the initial value (detailed)column, the data after the slash mark ("/") refers to NTSC model data.
No("/") means data is common for multi and NTSC model.
b)
shaded items are no data.
c) Standard data listed on the Adjustment Item Table are reference values, therefore it may be different for each model and for each mode.
d) Note for the Different Data those are the standard data values written on the microprocessor. Therefore, the data values of the models are stored respectively in the memory.
d) Note for the Different Data those are the standard data values written on the microprocessor. Therefore, the data values of the models are stored respectively in the memory.
In the case of a device replacement, adjustment by rewriting the data value is necessary for some items.
e) Multi ver5.64, NTSC ver5.65
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–
16
–
KV
-21HFV100
-21HFV100
RM-W112
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