Sony KV-G21MW3 Service Manual ▷ View online
– 17 –
KV-G21MW3/G21QW3
RM-869
Entering service mode
With the unit on standby
↓
DISPLAY
↓
5
↓
VOL
(
+
)
↓
POWER
The operation sequence puts the unit into service mode.
SECTION 4
CIRCUIT ADJUSTMENTS
4-1. ADJUSTMENTS WITH COMMANDER
Service adjustments are made with the RM-869 that comes with
this unit.
1, 4
Raise/lower the service item number
3, 6
Raise/lower the data
[MUTING]
Writes
-
Executes the writing
7, -
All 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
viceversa.
The screen display is :
1, 4
Select the adjustment item.
↓
3, 6
Raise/lower the data.
↓
MUTING
Writes
↓
-
Executes the writing.
RM-869
SERVICE
Mode
08
Data
HSF
50
Depends on the signals
PAL, SECAM : 50
NTSC : 60
PAL, SECAM : 50
NTSC : 60
Adjustment item
00
Mode
Item #
00
V3.2C
058S/
060S
060S
OEM CODE
German A2 Stereo
Software Version #
1
SERVICE
00
OP0
50
3D
00
0000
0000
2
(Bit options adjustable)
¤
EG
u
V
…
F
;
B©
SELECT
p
PIC MODE
p
SOUND
MODE
.
PROGR
A/B
H
CI
+
+
1
2
3
4
6
7
8
9
0
+
p
–
p
5
TV
– 18 –
KV-G21MW3/G21QW3
RM-869
Use the same method for Items Number 00-40. Use 1 and 4 to
select the adjustment item, use 3 and 6 to adjust, write with
MUTING
, then execute the write with -.
WRITE
WRITE
GREEN
0C
VSF
08
SERVICE
50
50
GREEN
0C
VSF
08
Adjusted with
3
and
6
buttons
Written with MUTING
Write executed with
0
GREEN
The WRITE display
will change back to
SERVICE.
(2nd line disappear
when written)
The WRITE display
will change back to
SERVICE.
(2nd line disappear
when written)
0C
VSF
08
00
V3.2C
058S/
060S
060S
00
V3.2C
058S/
060S
060S
Blank
4-2. ADJUSTMENT METHOD
Item Number 08
This explanation uses V-SHIFT as an example.
1. Select 08 V-SHIFT 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 0F for PAL
reception.)
4. Write with the
MUTING
button.
5. Execute the writing with the - button. (The WRITE
display returns to green SERVICE.)
– 19 –
KV-G21MW3/G21QW3
RM-869
Data Range
Adjustment Item Table
No.
Item
Initial
Function
Note for Different Data
Device/Category
Register
(OSD) Max.
Min.
Data
(Slave Address)
No. (bit)
00
HSF
3F
00
0
H Shift [2C/33/31/38]
50/60Hz/RGB50/RGB60
TDA8375(8A)
03 (5-0)
01
HSZ
3F
00
0
HSize [35/35/35/35]
50/60Hz/RGB50/RGB60
04 (5-0)
02
PAP
3F
00
0
Pin Amplitude [25/25]
50/60Hz
05 (5-0)
03
CNP
3F
00
0
Corner Pin [10/0C]
50/60Hz
06 (5-0)
04
TLT
3F
00
0
Tilt [20/2D]
50/60Hz
07 (5-0)
05
VSL
3F
00
0
V Slope [1F/1F]
50/60Hz
08 (5-0)
06
VAP
3F
00
0
V Amplitude [1C/1B]
50/60Hz
09 (5-0)
07
SCR
3F
00
0
S Correction [16/16]
50/60Hz
0A (5-0)
08
VSF
3F
00
0
V Shift [10/10]
50/60Hz
0B (5-0)
09
RDR
3F
00
28
R Drive
0C (5-0)
0A
GDR
3F
00
20
G Drive
0D (5-0)
0B
BDR
3F
00
20
B Drive
0E (5-0)
0C
FO
03
00
0
ø1 Time Constant [00/00/00] TV/Video/Teletext
00 (3-2)
0D
AGC
3F
00
0
AGC Take Over [28/28/28]
TV/Video/Teletext
13 (5-0)
0E
VSW
1
0
0
Video Mute Switch [0/1/0]
TV/Video/Teletext
13 (6)
0F
FOR
03
00
03
Forced Field Frequency
01 (7-6)
10
DL
1
0
0
De-interlace
01 (5)
11
POC
1
0
0
Fixed ø1 Synchro. mode
01 (3)
12
COR
1
0
0
Noise Coring [01/00/00]
TV/Video/Teletext
10 (6)
13
VPX
FF
00
00
Extra Bits (see below)
14
PMX
3F
00
27
Picture Maximum Data
TV/Video/Teletext [28/28/28]
12 (5-0)
15
PMI
3F
00
04
Picture Minimum Data
12 (5-0)
16
SBR
7F
00
4B
Sub Brightness
10 (6-0)
17
SHU
0F
00
07
Sub Hue
02 (3-0)
18
SSH
03
00
0
Sub Sharpness [01/03]
TV/Video
0F (1-0)
19
SC1
3F
00
0
Sub Color Lower [26/29]
50/60Hz
11 (5-0)
1A
SC2
3F
00
0
Sub Color Higher [0C/0D]
50/60Hz
11 (5-0)
1B
AIP
7F
00
3C
Adjustment IF-PLL
15 (6-0)
1C
VZM
3F
00
19
Vertical Zoom
16 (5-0)
1D
WST
FF
00
15
W/G Stereo Threshold
MSP3410D(80)
1E
WBT
FF
00
EA
W/G Bilingual Threshold
1F
WLL
FF
00
05
W/G Monaural Threshold
20
ACG
1
0
1
AGC Switch auto/constant
BB (7)
21
CDB
3F
00
28
AGC Gain at Constant Mode
BB (6-1)
22
FGP
7F
00
1B
FM Prescale for B/G, I, D/K
0E (7-0)
23
FMP
7F
00
32
FM Prescale for M
0E (7-0)
24
FMH
7F
00
36
FM Prescale for HDEV (non-M)
0E (7-0)
25
FMM
7F
00
65
FM Prescale for HDEV (M)
0E (7-0)
26
WGP
7F
00
2A
W/G Prescale
0E (7-0)
27
NIP
7F
00
6D
NICAM Prescale
10 (7-0)
28
SCP
7F
00
3B
SCART Input Prescale
0D (7-0)
29
SCV
7F
00
2A
SCART Output Prescale
07 (7-0)
2A
CRM
1
0
0
Carrier Muting on/off
BB (9)
2B
ACO
1
0
1
Audio Clock-out on/off
83 (5)
2C
WAC
0F
00
00
W/G Agreement Count
2D
NFT
FF
00
50
Auto FM Switch Threshold
21 (10-3)
2E
DLG
FF
00
30
W/G Search Delay
2F
DLN
FF
00
20
NICAM Search Delay
30
DLS
FF
00
10
Stereo Status Read Delay
MSP3410D(80)
31
SMX
7F
00
0
DFP Volume Maximum 72
00 (14-8)
32
ING
0F
00
00
Input Gain [03/00/00]
M system/non-M/Video
TDA7438(88)
01 (3-0)
33
VOM
3F
00
01
Volume Output Gain
M system only
02 (5-0)
34
TXH
03
00
01
Teletext Horizontal Position
SAA5261(58)
16 (1-0)
– 20 –
KV-G21MW3/G21QW3
RM-869
Data Range
Adjustment Item Table
No.
Item
Initial
Function
Note for Different Data
Device/Category
Register
(OSD)
Max.
Min.
Data
(Slave Address)
No. (bit)
35
BKP
3F
00
00
Picture Data at Blanking OFF
Other Control
36
ODL
FF
00
10
Power ON Delay
37
OFR
0F
00
00
RGB Output Time (STBY OFF)
38
OFM
0F
00
00
RGB Output Time (AC OFF)
39
OSH
3F
00
0A
OSD H Position
3A
DKS
1
0
1
D/K Stereo enable/disable
3B
MUT
1
0
0
Muting on/off at No Sync
3C
ABL
1
0
0
Bright ABL Switch
3D
SCM
1
0
0
SECAM Trap active/ inactive
3E
FBT
1
0
1
FBT L/S C /M Strict/plain
3F
OP0
FF
00
2F
Optional Flags 0 (see below)
40
OP1
FF
00
0F
Optional Flags 1 (see below)
41
OP2
FF
00
00
Optional Flags 2 (see below)
Click on the first or last page to see other KV-G21MW3 service manuals if exist.