Sony KV-XF21M80 Service Manual ▷ View online
– 29 –
KV-XF21M80
RM-954
Adjustment Item T
able
Device
Functionality
Note
Data Range
Function
Note for
Register
Slava
RAM
Address
Name
No
Name
Dif
ferent Data
No. (bit)
Address
(bit)
VP
0D
HDW
0
1
H Drive Pulse Width Switch
00 (6)
4F (6)
0E
AFC
1
0
3
AFC Gain Control
TV/V
ideo
0F (1-0)
8D (1-0)
0F
HOS
7
0
F
H
Oscillation
0C (7-4)
5B (7-4)
10
HSS
0
1
Slice Level of H Sync Sep.
0D (1)
5C (1)
1
1
VSS
0
1
Slice Level of V Sync Sep.
0D (0)
6C (0)
12
HMS
1
1
Macro V
ision C/m of
f/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 V
ideo
V
ideo 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 Of
f
12 (0)
61 (0)
1A
VMC
0
1
VM Of
f
13 (0)
62 (0)
AP
0
INF
0
3
F
Input
Attenuation When surround on
00 (5-0)
TDA7429
19D (5-0)
1
INS
0
3
F
Input
Attenuation When surround of
f
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
T
reble Center Shift
#5 (3-0)
1A9 (1-0)
8
TRF
2
3
RF
T
reble Of
fset
#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
F
F
W/G Monaural
Threshold
159 (7-0)
3
W
AC
0
0
F
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/of
f
BB (9)
107 (9)
0A
ACO
1
1
Audio Clock out on/of
f
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)
1
1
ERR
50
FF
Auto FM switch
Threshold
21 (10-3)
166 (7-0)
12
VOL
6D
FF
Loud Speaker gain 7000h to 7f
foh
0000 (15-4)
1A7 (7-0)
– 30 –
KV-XF21M80
RM-954
Adjustment Item T
able
Device
Functionality
Note
Data Range
Function
Note for
Register
Slava
RAM
Address
Name
No
Name
Dif
ferent Data
No. (bit)
Address
(bit)
TXT
0
TXH
1
3
T
eletext Horizontal Position
(58H)
18D (6-4)
1
TXV
0
7
T
eletext V
ertical Position
18D (1-0)
OPM
0
OSH
0A
3F
OSD H Position
Option-Misc
AC (7-2)
1
COM
0
0
3
Comb Selection
A5 (7-6)
2
APC
1
1
APC Switch
A4 (5)
3
TSY
0
0
3
TV Sys at
Auto
TV Sys
A4 (4-3)
4
MUT
0
1
No Signal Mute
A4 (0)
5
AFM
1
1
Auto FM switch
A4 (1)
6
RFB
0
3
C-BPF Control
A4 (5-4)
7
DBL
0
1
Disable Blueback Function
A4 (2)
OPB
0
OP1
FF
FF
Optional Bits 1 (see below)
Option-Bits
45
1
OP2
E3
FF
Optional Bits 2 (see below)
46
2
OP3
0
F
F
Optional Bits 3 (see below)
47
NOTE
•
shaded items are fixed data.
•
Standard data listed on the
Adjustment Item
T
able are reference values, therefore it may be dif
ferent for each model and for ea
ch mode.
•
Note for Dif
ferent Data
Those are the standard data values written on the microprocessor
.
Therefore, the data values of the mode
s and stored respectively in the
memory
.
In case of a device replacement, adjustment by rewriting the data value is necessary for some items.
– 31 –
KV-XF21M80
RM-954
Item
KV-XF21M80
M
1
D/K
1
I
1
B/G
1
2nd. Lang
1
SECAM
1
XTAL 3.58
1
XTAL 4.43
1
ITEM INFORMATION.
No. OPB0 OP1
No. OPB0 OP1
No. OPB1 OP2
Item
KV-XF21M80
AV Input
DVD Input
0
–
0
Thai Bil
0
HDEV
1
NICAM
1
TOP
0
No. OPB2 OP3
Item
KV-XF21M80
11 KEY
0
Arabic
1
US ST
0
Auto TV sys
1
Auto PIC
0
–
0
–
0
Chinese
0
1
1
– 32 –
KV-XF21M80
RM-954
SUB HUE ADJUSTMENT
1. Select Video 1.
2. Input a NTSC color-bar, video into Video 1.
3. Set the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN305, A board.
5. Select SAJ 1 ‘SHU’ with 1 and 4 of the commander by set-
ting to Service Mode and adjust to VB1=VB2=VB3=VB4 with
3 and 6.
3 and 6.
4-3. PICTURE QUALITY ADJUSTMENTS
SUB COLOR ADJUSTMENT
1. Input a PAL color-bar.
2. Set to the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
3. Connect an oscilloscope to pin 1 (B OUT) of CN305, A board.
4. Set to Service Mode and select SAJ 3 ‘SCL’ with 1 and 4 of
the commander then adjust to VB2=VB3=VB4 with 3 and
6.
6.
5. Press
[MUTING]
→ - of the commander to write the data.
6. Adjust SAJ 3 ‘SCL’ as step 2 to 5 when receiving NTSC color-
bar.
VB1 VB2
VB3 VB4
VB2 = VB3 = VB4
6. Press
[MUTING]
→ - of the commander to write the data.
VB1 VB2
VB3 VB4
VB1 = VB2 = VB3 = VB4
BELL FILTER ADJUSTMENT
1. Input SECAM color-bar signal.
2. Connect the dual-trace oscilloscope to the pin 9 (R-Y) of
CN303 (not mounted).
3. Adjust SERVICE MODE, ITEMS ‘SBF’ as shown below.
4-4. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
When replacing IC003 (MEMORY), be sure to change IC001 (
µ
-
COM) to the following new IC at the same time.
IC001(
µ
-CON):CXP86449-610S
1. Enter to Service Mode.
2. Press commander buttons 5 and - (Data Initialize), and 2
and - (Data Copy) to initialize the data.
3. Call each item number and check if the respective screen shows
the normal picture.
In cases where items are not well adjusted, rectify the items
with fine adjustment.
Write the data per each item number (
[MUTING]
+-).
4. Select item numbers “OPB0” (OP1), “OPB1” (OP2) and
“OPB2” (OP3) and respectively set the bit per model with
command buttons 3 and 6.
5. Press commander buttons 8 and - (Test Normal) to return
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
Click on the first or last page to see other KV-XF21M80 service manuals if exist.