Sony KV-XF25M30 Service Manual ▷ View online
– 37 –
KV-XF25M30/XF25M50/XF25M63
KV-XF25M65/XF25M90
KV-XF25M65/XF25M90
RM-954
SECTION 4
CIRCUIT ADJUSTMENTS
With the unit on standby
↓
[DISPLAY]
↓
5
↓
VOL (+)
↓
[POWER]
This operation sequence puts the unit into service mode.
4-1. ADJUSTMENTS WITH COMMANDER
Service adjustments are made with the RM-954 that comes with
this unit.
a. ENTERING SERVICE MODE
1, 4
Select the adjustment item.
↓
3, 6
Raise/lower the data value.
↓
[MUTING]
Writes.
↓
-
Executes the writing.
7, -
All the data becomes the values in memory.
8, -
All user control goes to the standard state.
5, -
Service data initialization (Be sure not to use
usually.)
2, -
Write 50Hz adjustment data to 60Hz, or vice
versa.
PAL, SECAM : 50
NTSC : 60
00
HPS
1C
SERVICE
Data
Mode
Item Name
Item No
Software version
Suffix No
(OEM Code)
(OEM Code)
Total Power-On time (hours)
p
Marking of virgin NVM
GEO
1.0C
59
7F
000A
0
601S
Device Name
50
1
4
7
-/--
2
5
8
0
3
6
9
FAVORITE
SOUND
MODE
PIC MODE
ENTER
MENU
A/B
SURROUND
RM-954
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.
c. METHOD OF WRITE INTO MEMORY
1) Set to Service Mode.
2) Press [1] (UP) and [4] (DOWN), select an item of adjustment.
3) Press [MUTING] button and it will indicate WRITE on the screen.
4) Press [0] 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.
The screen display is :
– 38 –
KV-XF25M30/XF25M50/XF25M63
KV-XF25M65/XF25M90
KV-XF25M65/XF25M90
RM-954
4-2. ADJUSTMENT METHOD
Item Number 00 of device GEO
This explanation uses H-Position as an example.
1. Select “GEO 00 HPS” with the 1 and 4 buttons.
2. Raise/lower the data with the 3 and 6 buttons.
3. Select the optimum state. (The standard is 1F for PAL reception.)
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.)
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.
1F
SERVICE 50
HPS
Adjusted with
[3]
and
[6]
buttons.
GREEN
Written with
[MUTING]
Write executed with
[0]
GEO
00
7F
0
000A
59
601S 1.0C
1F
SERVICE 50
HPS
RED
The WRITE display
then the display
returns to a green
SERVICE.
The WRITE display
then the display
returns to a green
SERVICE.
GEO
00
7F
0
000A
59
601S 1.0C
1F
WRITE
50
HPS
GREEN
GEO
00
7F
0
000A
59
601S 1.0C
– 39 –
KV
-XF25M30/XF25M50/XF25M63
-XF25M30/XF25M50/XF25M63
KV
-XF25M65/XF25M90
-XF25M65/XF25M90
RM-954
Adjustment Item Table
Device
Functionality
Note
Data Range
Function
Note for
Register
Slava
RAM Address
Name
No
Name
Different Data
No. (bit)
Address
(bit)
GEO
0
HPS
7
3F
H Position
50/60HZ
12 (7-2)
CXA2130S(88H)
96 (7-2)
1
HSZ
1F
3F
H Size
50/60HZ
11 (7-2)
95 (7-2)
2
PAP
1F
3F
Pin Amp
50/60HZ
13 (7-2)
97 (7-2)
3
TLT
7
0F
Trapezium
50/60HZ
15 (7-4)
99 (7-4)
4
VPS
1F
3F
V Position
50/60HZ
0F (7-2)
93 (7-2)
5
VSZ
1F
3F
V Size
50/60HZ
0E (7-2)
92 (7-2)
6
SCO
7
0F
S Correction
50/60HZ
10 (7-4)
94 (7-4)
7
VLN
7
0F
V Linearity
50/60HZ
10 (3-0)
94 (3-0)
8
BOW
7
0F
AFC Bow
50/60HZ
16 (7-4)
9A (7-4)
9
AGL
7
0F
AFC-Angle
50/60HZ
16 (3-0)
9A (3-0)
0A
UPN
1F
3F
Upper Pin
50/60HZ
14 (7-2)
98 (7-2)
0B
LPN
2F
3F
Lower Pin
50/60HZ
18 (7-2)
9C (7-2)
0C
HBL
1
1
H Blanking on/off
18 (1)
6C (1)
0D
LBL
7
0F
Left H Blanking
50/60HZ
17 (7-4)
9B (7-4)
0E
RBL
7
0F
Right H Blanking
50/60HZ
17 (3-0)
9B (3-0)
WHB
0
RDR
1F
3F
R Drive
DYNAMIC/other
09 (7-2)
CXA2130S(88H)
A3 (7-2)
1
GDR
1F
3F
G Drive
DYNAMIC/other
0A (7-2)
A4 (7-2)
2
BDR
1F
3F
B Drive
DYNAMIC/other
0B (7-2)
A5 (7-2)
3
RCT
7
0F
R Cutoff
SECAM/other
07 (3-0)
A7 (3-0)
4
GCT
7
0F
G Cutoff
SECAM/other
08 (7-4)
A8 (3-0)
5
BCT
7
0F
B Cutoff
SECAM/other
08 (3-0)
A8 (3-0)
6
BMN
15
1F
Brightness Minimum Data
06 (7-2)
106
7
SBR
1F
3F
Sub Brightness Control
06 (7-2)
107
SAJ
0
PMX
33
3F
Picture Maximum Data
03 (7-2)
CXA2130S(88H)
105
1
SHU
8
0F
Sub Hue Control
TV/Video
05 (7-2)
108
2
SSH
8
0F
Sub Sharpness Control
TV/Video
07 (7-4)
109
3
SCL
1F
3F
Sub Color Control
NTSC/others
04 (7-2)
10A
VP
0
EHT
4
0F
EHT Comp
50/60HZ
15 (3-0)
CXA2130S(88H)
99 (3-0)
1
GMA
2
03
Gamma Correction
NTSC/others
0B (1-0)
25B (1-0)
2
YDL
6
0F
Y Delay
PAL/SECAM/NTSC
0C (3-0)
A0 (3-0)
3
SST
1
03
SECAM ID Start Position
1B (1-0)
6F (1-0)
4
SSP
1
03
SECAM ID Stop Position
1B (3-2)
6F (3-2)
5
SLV
2
03
SECAM ID Level
1C (1-0)
70 (1-0)
6
SBF
22
3F
SECAM BELL fO
1C (7-2)
70 (7-2)
7
DYC
1
1
Dynamic Color on/off
0A (1)
5E (1)
8
ABL
1
1
ABL Mode Switching (except STANDARD mode)
09 (1)
5D (1)
9
VTH
1
1
ABL Detection Vth Switching
09 (0)
5D (0)
0A
SFO
1
1
FO Switching for Sharpness
NTSC/others
05 (1)
24A (1)
0B
DCX
1
1
DC Trans. Ratio Switching
06 (1)
5A (1)
0C
SHT
1
1
Pre-/Overshoot ratio Switch
NTSC/others
06 (0)
24A (0)
– 40 –
KV
-XF25M30/XF25M50/XF25M63
-XF25M30/XF25M50/XF25M63
KV
-XF25M65/XF25M90
-XF25M65/XF25M90
RM-954
Adjustment Item Table
Device
Functionality
Note
Data Range
Function
Note for
Register
Slava
RAM Address
Name
No
Name
Different Data
No. (bit)
Address
(bit)
VP
0D
HDW
0
1
H Drive Pulse Width Switch
00 (6)
54 (6)
0E
AFC
1
03
AFC Gain Control
TV/Video
0F (1-0)
A1 (1-0)
0F
HOS
7
0F
H Oscillation
0C (7-4)
60 (7-4)
10
HSS
0
1
Slice Level of H Sync Sep.
0D (1)
61 (1)
11
VSS
0
1
Slice Level of V Sync Sep.
0D (0)
61 (0)
12
HMS
1
1
Macro Vision C/m off/on
50/60Hz
0E (0)
92 (0)
13
YUV
0
1
YUV Switch Control
01 (0)
55 (0)
14
CDV
1
3
CD mode for Video
Video only
0D (5-4)
259 (5-4)
15
RON
1
1
R ON
not memorized
01 (3)
55 (3)
16
GON
1
1
G ON
not memorized
01 (2)
55 (2)
17
BON
1
1
B ON
not memorized
01 (1)
55 (1)
18
PON
1
1
P ON
not memorized
00 (7)
54 (7)
19
BLK
0
1
BLK Off
12 (0)
66 (0)
1A
VMC
0
1
VM Off
13 (0)
67 (0)
AP
0
BCS
1
3
Bass Center Shift
#4 (3-0)
TDA7315(80H)
24C (1-0)
1
TCS
1
3
Treble Center Shift
#5 (3-0)
24D (1-0)
2
TRF
2
3
RF Treble Offset
#5 (3-0)
24E (1-0)
MSP
0
WST
15
FF
W/G Stereo Threshold
MSP3415D(84H)
165
1
WBT
EC
FF
W/G Bilingual Threshold
166
2
WLL
5
FF
W/G Monaural Threshold
167
3
WAC
1
0F
W/G Agreement Count
168
4
WDL
30
FF
W/G Search Delay
169
5
NDL
20
FF
NICAM Search Delay
16A
6
SDL
10
FF
Stereo status Read Delay
16B
7
AGC
1
1
AGC Switch Auto/Constant
00BB (7)
116 (7)
8
REL
28
3F
AGC Gain at Constant Mode
00BB (6-1)
116 (6-1)
9
CRM
0
1
Carrier muting on/off
00BB (9)
115 (9)
0A
ACO
1
1
Audio Clock out on/off
0083 (5)
11A (5)
0B
FP
1B
7F
FM Prescale for non-M system
000E (14-8)
221
0C
FPM
32
7F
FM Prescale for M system
000E (14-8)
222
0D
FH
36
7F
FM Prescale for HDEV
000E (14-8)
223
0E
FHM
65
7F
FM Prescale for HDEV and M
000E (14-8)
224
0F
WGP
2A
7F
W/G Prescale
000E (14-8)
225
10
NIP
6D
7F
NICAM Prescale
0010 (14-8)
14F
11
ERR
50
FF
Auto FM switch Threshold
0021 (10-3)
174
12
VOL
6D
FF
Loud Speaker gain 07xx0
TEMPORARY
0000 (11-4)
254
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