Sony KV-HA21M80 (serv.man3) Service Manual ▷ View online
– 21 –
KV-HA21M80
RM-969
XTAL
1
1
No NICAM
1 = NICAM search is disable in any TV system, 0 = NICAM search operates
US ST
(Reserved for NTSC model)
1 V-Curve
1 = using common volume curve for every mode and every TV system
(for monaural mode)
0 = another volume curve available for video mode and M system
XTAL SEL
00 = only 4.43 XTAL
01 = only 3.58 XTAL
10 = not used
11 = both 4.43 and 3.58 XTAL
Other optional function will be enabled if the corresponding bit is set to 1.
No. 50 OP3
No Bal.
1 = no balance in analog select items, 0 = balance included
(for AV stereo model)
SPC SOUND
1 = Space Sound available, 0 = not available
Korean ST
(Reserved for NTSC model)
H.K. Bil.
1 = NICAM bilingual available (No NICAM stereo), 0 = not available
(for monaural model)
Other optional function will be enable if the corresponding bit is set to 1.
No. 4F OP2
Item
KV-HA21M80
Thai Bil.
0
H.K. BIL
0
VM
0
KOREAN ST
0
SPACE SOUND
1
No Bal.
0
Auto TV Sys.
0
Pict Rot.
0
Item
KV-HA21M80
2nd Lang.
1
SECAM
1
IV-Curve
0
HDEV
0
US ST
0
No NICAM
1
HEX
8F
HEX
10
– 22 –
KV-HA21M80
RM-969
OPERATION GUIDE
SERVICE MODE
How to set up new NVM (or initialize already written one)
(1) AC ON
(2) Enter Service Mode - describing below how to enter
(3) Push the commander button “5” and “0” sequentially (only set initial data into RAM, but not write them into
(1) AC ON
(2) Enter Service Mode - describing below how to enter
(3) Push the commander button “5” and “0” sequentially (only set initial data into RAM, but not write them into
NVM yet)
(4) Push the commander button “2” and “0” sequentially (copy the data into all NVM area - all wide modes and
50/60Hz respectively)
(5) Push the commander button “8” and “0” sequentially (initialize user data, select program 1 and exit Service Mode)
(6) Select TV system and execute Auto Preset
(6) Select TV system and execute Auto Preset
How to enter Service Mode
•
•
At power ON, push the commander button “test” and “TV ON” sequentially
•
At stand-by, push the commander button “display”, “5”, “vol +” and “power” sequentially
How to exit Service Mode
•
•
Push the commander button “other ON” or power (AC) OFF
How to increment/decrement items and data
•
•
Items : push the commander button “1” / “4”
•
Data : push the commander button “3” / “6” (not write into NVM)
Other operations
•
•
Write data into NVM - push the commander button “mute” and “0” sequentially
•
Read data from NVM - push the commander button “7” and “0” sequentially
•
Copy 50Hz data into 60Hz area - push the commander button “display” and “0” sequentially
SELF DIAGNOSIS MODE
How to enter Self Diagnosis Mode
•
•
At stand-by, push the commander button “display”, “5”, “vol-” and “power” sequentially
How to exit Self Diagnosis Mode
•
•
Push the commander button “other ON” or power (AC) OFF
Other operations
•
•
Clear data and Write into NVM - push the commander button “8” and “0” sequentially
HOTEL TV MODE
How to enter Hotel TV Mode ON stage
•
•
At stand-by, push the commander button “display”, “MUTE”, “vol +” and “power” sequentially
•
The Hotel TV setup display, where the maximum level of the volume can be applied (=35 or above)
•
Write data into NVM - push the commander button “mute” and “0” sequentially
How to enter Hotel TV Mode OFF stage
•
•
At stand-by, push the commander button “display”, “MUTE”, “vol -” and “power” sequentially
•
Write data into NVM - push the commander button “mute” and “0” sequentially
Modification Note
The item including the new addition is yellow.
1.
The item including the new addition is yellow.
1.
The flag was added to bit 7 of OP1. This is the flag which chooses the volume curve used by HA (ME) model. (V2. IC)
– 23 –
KV-HA21M80
RM-969
4-3. PICTURE QUALITY ADJUSTMENT
SUB COLOR ADJUSTMENT
1. Select Video.
2. Input a PAL color-bar.
3. Set to the following condition:
2. Input a PAL color-bar.
3. Set to the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN300, A board.
5. Set to Service Mode and select 13 ‘SC1’ with 1 and 4 of
5. Set to Service Mode and select 13 ‘SC1’ with 1 and 4 of
the commander then adjust to VB2=VB3=VB4 with 3 and
6.
6.
6. Press
[MUTING]
→ - of the commander to write the data.
7. Adjust 13 ‘SC1’ as step 2 to 5 when receiving NTSC
color-bar.
SUB HUE ADJUSTMENT
1. Select Video.
2. Input a NTSC 3.58, color-bar into Video/TV mode.
3. Set the following condition:
2. Input a NTSC 3.58, color-bar into Video/TV mode.
3. Set the following condition:
PICTURE 100%, BRIGHTNESS 50%, COLOR 50%
4. Connect an oscilloscope to pin 1 (B OUT) of CN300, A
board.
5. Select 11"SHU" with 1 and 4 of the commander by setting
to Service Mode and adjust to VB1=VB2=VB3=VB4 with 3
and 6 .
and 6 .
The highest level of VB1,VB2,VB3,VB4 must be aligned at
the same line. Ideal difference level between VB2 and VB3
should be within
the same line. Ideal difference level between VB2 and VB3
should be within
± 110mV.
6. Press
[MUTING]
→ - of the commander to write the data.
7. Select TV channel with NTSC 3.58 and repeat 3 to 5.
8. Press
8. Press
[MUTING]
→ - of the commander to write the data.
9. Single system model with NTSC 4.43, select TV channel with
NTSC 4.43 and repeat 3 to 5.
VB1
VB2
VB3
VB4
VB2 = VB3 = VB4
VB2 = VB3 = VB4 (Difference is within 70mV)
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
4-4. DEFLECTION ADJUSTMENT
NORMAL MODE (50Hz)
1.
Set to Service mode.
2.
Input PAL color bar.
3.
Using the 1 and 4 button, select category GEO
(Service Mode).
(Service Mode).
4.
Raise/lower the data using the 3 and 6 buttons.
Select and adjust the following items to obtain optimum
image.
Select and adjust the following items to obtain optimum
image.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMPLITUDE
03
CPN
CORNER PIN
04
TLT
TILT
05
VSL
V SLOPE
06
VAP
VERTICAL AMPLITUDE
07
SCO
S CORRECTION
08
VPS
V SHIFT
NORMAL MODE (60Hz)
5. Input 525/60Hz signal.
6. Using the 1 and 4 buttons select category GEO (Service
5. Input 525/60Hz signal.
6. Using the 1 and 4 buttons select category GEO (Service
Mode).
7. Select and adjust the following items to obtain obtimum
image.
Raise/lower the data with the 3 and 6 buttons.
Raise/lower the data with the 3 and 6 buttons.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMPLITUDE
03
CPN
CORNER PIN
04
TLT
TILT
05
VSL
V SLOPE
06
VAP
VERTICAL AMPLITUDE
07
SCO
S CORRECTION
08
VPS
V SHIFT
4-5. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
1.
Enter to Service Mode.
2.
Press commander buttons 5 and - (Data Initialize), and
2 and - (Data Copy) to initialize the data.
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 fine
adjustment.
Write the data per each item number (
shows the normal picture.
In cases where items are not well adjusted, rectify the fine
adjustment.
Write the data per each item number (
[MUTING]
+-).
4.
Select item numbers 4E ‘OP1’, 4F ‘OP1’, 50 ‘OP2’ and
respectively set the bit per model with command buttons
3 and 6 .
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.)
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
– 24 –
KV-HA21M80
RM-969
4-6. PICTURE DISTORTION ADJUSTMENT
Item Number 00 – 08
01
HSZ (H SIZE)
04
TLT (TILT)
06
VAP (VERTICAL AMPLITUDE)
00
HPS (H POSITION)
02
PAP (PIN AMPLITUDE)
03
CPN (CORNER PIN)
05
VSL (V SLOPE)
08
VPS (V SHIFT)
07
SCO (S CORRECTION)
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