DOWNLOAD Sony KV-XF21M80 (serv.man3) Service Manual ↓ Size: 881.72 KB | Pages: 46 in PDF or view online for FREE

Model
KV-XF21M80 (serv.man3)
Pages
46
Size
881.72 KB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
kv-xf21m80-sm3.pdf
Date

Sony KV-XF21M80 (serv.man3) Service Manual ▷ View online

– 26 –
KV-XF21M80/XF21M8J
RM-952
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-952 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)
Total Power-On time (hours)
p
Marking of virgin NVM
GEO
1.0C
59
7F
000A
0
601S
Device Name
50
TV
1
2
3
4
6
7
8
9
÷
0
5
JUMP
SOUND 
MODE
 
FAVORITE
PROGR
Á
RM-952
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 :
– 27 –
KV-XF21M80/XF21M8J
RM-952
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.
GEO
00
7F
0
000A
59
601S 1.0C
1F
WRITE
50
HPS
GREEN
GEO
00
7F
0
000A
59
601S 1.0C
– 28 –
KV
-XF21M80/XF21M8J
RM-952
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)
82 (7-2)
1
HSZ
1F
3F
H Size
50/60HZ
11 (7-2)
81 (7-2)
2
PAP
1F
3F
Pin Amp
50/60HZ
13 (7-2)
83 (7-2)
3
TLT
7
0F
Trapezium
50/60HZ
15 (7-4)
86 (7-4)
4
VPS
1F
3F
V Position
50/60HZ
0F (7-2)
7F (7-2)
5
VSZ
1F
3F
V Size
50/60HZ
0E (7-2)
7E (7-2)
6
SCO
7
0F
S Correction
50/60HZ
10 (7-4)
80 (7-4)
7
VLN
7
0F
V Linearity
50/60HZ
10 (3-0)
80 (3-0)
8
BOW
7
0F
AFC Bow
50/60HZ
16 (7-4)
86 (7-4)
9
AGL
7
0F
AFC-Angle
50/60HZ
16 (3-0)
86 (3-0)
0A
UPN
1F
3F
Upper Pin
50/60HZ
14 (7-2)
84 (7-2)
0B
LPN
2F
3F
Lower Pin
50/60HZ
18 (7-2)
88 (7-2)
0C
HBL
1
1
H Blanking on/off
18 (1)
67 (1)
0D
LBL
7
0F
Left H Blanking
50/60HZ
17 (7-4)
87 (7-4)
0E
RBL
7
0F
Right H Blanking
50/60HZ
17 (3-0)
87 (3-0)
WHB
0
RDR
1F
3F
R Drive
DYNAMIC/others
09 (7-2)
CXA2130S(88H)
8F (7-2)
1
GDR
1F
3F
G Drive
DYNAMIC/others
0A (7-2)
90 (7-2)
2
BDR
1F
3F
B Drive
DYNAMIC/others
0B (7-2)
91 (7-2)
3
RCT
7
0F
R Cutoff
SECAM/others
07 (3-0)
93 (3-0)
4
GCT
7
0F
G Cutoff
SECAM/others
08 (7-4)
94 (7-4)
5
BCT
7
0F
B Cutoff
SECAM/others
08 (3-0)
94 (3-0)
6
BMN
15
1F
Brightness Minimum Data
95
7
SBR
28
3F
Sub Brightness Control
98
SAJ
0
PMX
33
3F
Picture Maximum Data
CXA2130S(88H)
95
1
SHU
8
0F
Sub Hue Control
TV/Video
99
2
SSH
3
0F
Sub Sharpness Control
TV/Video
9A
3
SCL
1F
3F
Sub Color Control
NTSC/others
9B
VP
0
EHT
4
0F
EHT Comp
50/60HZ
15 (3-0)
CXA2130S(88H)
85 (3-0)
1
GMA
2
03
Gamma Correction
NTSC/others
0B (1-0)
1A1 (1-0)
2
YDL
6
0F
Y Delay
PAL/SECAM/NTSC
0C (3-0)
8C (3-0)
3
SST
2
03
SECAM ID Start Position
1B (1-0)
6A (1-0)
4
SSP
1
03
SECAM ID Stop Position
1B (3-2)
6A (3-2)
5
SLV
2
03
SECAM ID Level
1C (1-0)
6B (1-0)
6
SBF
22
3F
SECAM BELL fO
1C (7-2)
6B (7-2)
7
DYC
1
1
Dynamic Color on/off
0A (1)
59 (1)
8
ABL
1
1
ABL Mode Switching (except STANDARD)
09 (1)
58 (1)
9
VTH
1
1
ABL Detection Vth Switching
09 (0)
58 (0)
0A
SFO
1
1
FO Switching for Sharpness
NTSC/others
05 (1)
196 (1)
0B
DCX
1
1
DC Trans. Ratio Switching
06 (1)
55 (1)
0C
SHT
1
1
Pre-/Overshoot ratio Switch
NTSC/others
06 (0)
197 (0)
– 29 –
KV
-XF21M80/XF21M8J
RM-952
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)
4F (6)
0E
AFC
1
03
AFC Gain Control
TV/Video
0F (1-0)
8D (1-0)
0F
HOS
7
0F
H Oscillation
0C (7-4)
5B (7-4)
10
HSS
0
1
Slice Level of H Sync Sep.
0D (1)
5C (1)
11
VSS
0
1
Slice Level of V Sync Sep.
0D (0)
6C (0)
12
HMS
1
1
Macro Vision C/m off/on
50/60Hz
0E (0)
7E (0)
13
YUV
0
1
YUV Switch Control
01 (0)
50 (0)
14
CDV
1
3
CD mode for Video
Video only
0D (5-4)
19F (5-4)
15
RON
1
1
R ON
not memorized
01 (3)
50 (3)
16
GON
1
1
G ON
not memorized
01 (2)
50 (2)
17
BON
1
1
B ON
not memorized
01 (1)
50 (1)
18
PON
1
1
P ON
not memorized
00 (7)
4F (7)
19
BLK
0
1
BLK Off
12 (0)
61 (0)
1A
VMC
0
1
VM Off
13 (0)
62 (0)
AP
0
INF
0
3F
Input Attenuation When surround on
00 (5-0)
TDA7429
19D (5-0)
1
INS
0
3F
Input Attenuation When surround off
19E (5-0)
2
PH1
0
3
Phase 1 Register Selection
02
76 (1-0)
3
PH2
0
3
Phase 2 Register Selection
76 (3-2)
4
PH3
0
3
Phase 3 Register Selection
76 (5-4)
5
PH4
0
3
Phase 4 Register Selection
76 (7-6)
6
BCS
2
3
Bass Center Shift
#4 (3-0)
1A8 (1-0)
7
TCS
2
3
Treble Center Shift
#5 (3-0)
1A9 (1-0)
8
TRF
2
3
RF Treble Offset
#5 (3-0)
1A9 (5-4)
MSP
0
WST
15
FF
W/G Stereo Threshold
MSP3415D(84H)
157 (7-0)
1
WBT
EA
FF
W/G Bilingual Threshold
158 (7-0)
2
WLL
5
FF
W/G Monaural Threshold
159 (7-0)
3
WAC
0
0F
W/G Agreement Count
15A (3-0)
4
WDL
30
FF
W/G Search Delay
15B (7-0)
5
NDL
20
FF
NICAM Search Delay
15C (7-0)
6
SDL
10
FF
Stereo status Read Delay
15D (7-0)
7
AGC
1
1
AGC Switch Auto/Constant
BB (7)
108 (7)
8
REL
28
3F
AGC Gain at Constant Mode
BB (6-1)
108 (6-1)
9
CRM
0
1
Carrier muting on/off
BB (9)
107 (9)
0A
ACO
1
1
Audio Clock out on/off
83 (5)
10C (5)
0B
FP
1B
7F
FM Prescale for non-M system
0E (7-0)
16C (6-0)
0C
FPM
32
7F
FM Prescale for M system
0E (7-0)
16D (6-0)
0D
FH
36
7F
FM Prescale for HDEV
0E (7-0)
16E (6-0)
0E
FHM
65
7F
FM Prescale for HDEV and M
0E (7-0)
16F (6-0)
0F
WGP
2A
7F
W/G Prescale
0E (7-0)
170 (6-0)
10
NIP
6D
7F
NICAM Prescale
10 (7-0)
138 (6-0)
11
ERR
50
FF
Auto FM switch Threshold
21 (10-3)
166 (7-0)
12
VOL
6D
FF
Loud Speaker gain 7000h to 7ffoh
0000 (15-4)
1A7 (7-0)
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