Sony KV-G21L3 Service Manual ▷ View online
– 21 –
KV-G21L3
RM-883
Adjustment Item Table
Standard data
Note
Device
Data
range
range
Initial
data
Item
Adjustment
number
Item
00
HSF
00–3F
24
V SHIFT
(TDA8375)
01
HSZ
00–3F
23
H SIZE
(TDA8375)
02
PAP
00–3F
21
PIN AMPLITUDE
(TDA8375)
03
CNP
00–3F
29
CORNER PIN
(TDA8375)
04
TLT
00–3F
20
TILT
(TDA8375)
05
VSL
00–3F
20
V SLOPE
(TDA8375)
06
VAP
00–3F
1D
V AMPLITUDE
(TDA8375)
07
SCR
00–3F
20
S CORRECTION
(TDA8375)
08
VSF
00–3F
20
V SHIFT
(TDA8375)
09
RDR
00–3F
25
WHITE POINT R
(TDA8375)
0A
GDR
00–3F
20
WHITE POINT G
(TDA8375)
0B
BDR
00–3F
20
WHITE POINT B
(TDA8375)
0C
F0
00–03
00
TV/Video/Text
ø-1TIME CONSTANT
(TDA8375)
0D
AGC
00–3F
30
AGC TAKE OVER
(TDA8375)
0E
VSW
00–01
00
VIDEO MUTE
(TDA8375)
0F
FOR
00–03
03
FORCED FIELD FREQ.
(TDA8375)
10
DL
00–01
00
INTERLACE
(TDA8375)
11
POC
00–01
00
SYNCHRO MODE FIX
(TDA8375)
12
VID
00–01
00
VIDEO IDENT MODE
(TDA8375)
13
HCO
00–01
00
EHT TRACKING MODE
(TDA8375)
14
EVG
00–01
00
ENABLE V GUARD
(TDA8375)
15
SBL
00–01
00
SERVICE BLANKING
(TDA8375)
16
PRD
00–01
00
OVER-VOLTAGE INPUT
(TDA8375)
17
COR
00–01
00
TV/Video/Text
NOISE CORING PEAK
(TDA8375)
18
PMX
00–3F
2D
TV/Video
PICTURE MAX DATA
(TDA8375)
19
PMI
00–3F
00
PICTURE MIN DATA
(TDA8375)
1A
SBR
00–7F
4B
SUB-BRIGHTNESS
(TDA8375)
1B
SHU
00–0F
07
SUB-HUE
(TDA8375)
1C
SSH
00–03
01
SUB-SHARPNESS
(TDA8375)
1D
SC1
00–3F
1F
SUB-COLOR LOWER
(TDA8375)
1E
SC2
00–3F
0D
SUB-COLOR HIGHER
(TDA8375)
1F
AIP
00–7F
3F
ADJUSTMENT IF-PLL
(TDA8375)
20
VZM
00–3F
19
VERTICAL ZOOM
(TDA8375)
21
TXP
00–0F
09
TEXT PICTURE
(SAA5281)
22
MXP
00–0F
0D
TEXT MIX MODE PICTURE
(SAA5281)
23
BKP
00–3F
00
BLK OFF PICTURE
(µ-CON)
24
ODL
00–FF
10
POWER ON DELAY
(µ-CON)
25
OFR
00–0F
00
STBY
n
ON RGB OUT
(µ-CON)
26
OFM
00–0F
00
MAIN POWER RGB OUT
(µ-CON)
27
OSH
00–3F
0A
OSD POSITION H
(µ-CON)
28
MUT
00–01
01
NO SYNC. MUTE
(µ-CON)
29
ABL
00–01
01
BRIGHT ABL
(µ-CON)
2A
DTV
00–01
00
DISABLE TV SYSTEM KEY
(µ-CON)
2B
SCM
00–01
01
SECAM TRAP ACTIVE
(µ-CON)
2C
ROC
00–0F
07
ROTATION CENTER
(µ-CON)
2D
ROS
00–07
03
ROTATION STEP WIDTH
(µ-CON)
2E
DVM
00–01
00
DISABLE VM
(µ-CON)
2F
POM
00–01
00
PORT MUTE
(µ-CON)
30
FBT
00–01
00
C/M FOR FBT LAYER SHORT
(µ-CON)
31
OP0
00–FF
40
OPTION 0
(µ-CON)
32
OP1
00–FF
06
OPTION 1
(µ-CON)
33
OP2
00–FF
00
OPTION 2
(µ-CON)
– 22 –
KV-G21L3
RM-883
NOTE
• Standard Data.
• Standard Data.
Those are the standard data values written on the microprocessor. Therefore, the data values of the
modes are stored respectively in the memory.
In case of a device replacement, adjustment by rewriting the data value is necessary for some items.
modes are stored respectively in the memory.
In case of a device replacement, adjustment by rewriting the data value is necessary for some items.
• 50 .............. 50 Hz data
• 60 .............. 60 Hz data
• Standard data listed on the Adjustment Item Table are reference values.
• 60 .............. 60 Hz data
• Standard data listed on the Adjustment Item Table are reference values.
ITEM INFORMATION
• 10. DL:
• 10. DL:
TV/MIX Mode
0=Interlace 1=Non-interlace,
TEXT Mode
0=Non-interlace
1=Interlace
• 29. ABL:
Bright ABL ON/OFF
ON=1
OFF=0
• 31. OP0 • 32. OP1 • 33. OP2:
Input data are different according to models.
AV INPUT :
AV INPUT :
00
→
NO MODEL, 01
→
MONO, CXA1315, 10/11
→
STEREO, TDA8424
TV System : 00
→
Multi model, 01
→
B/G, 10
→
D/K.I, 11
→
B/G D/K
NTSC, SECAM, Chin
No. 31 OP0 * Input data are different according to models
Item
Video Text
Volume 1
Thai B
TV System
NT3.58
SECAM
Reserved
KV-G21L3
0
0
0
0
1
1
1
0
Item
–
Sound
Child Lock
Sound
High Dev.
100 Prg
4:3 Wide
S. Video
mode
Effect
KV-G21L3
0
0
1
0
0
1
1
0
No. 33 OP2
No. 32 OP1
Item
–
AV Input
Sharp 50%
Remote
Auto
Arabic
Reserved
Preset
Program
KV-G21L3
0
0
1
0
1
1
1
0
– 23 –
KV-G21L3
RM-883
5-3. 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.
3. Call each item number, and check if the respective screen shows
the normal picture.
In case some items are not well-adjusted, give them fine
adjustment.
Write the data per each item number ([MUTING] + -).
4. Select item numbers and “31” (OP0), “32” (OP1) and “33”
(OP2) and set the bit per model with command buttons 3 and
6.
6.
5. Press commander buttons 8 and - (Test Normal) to return
all user adjustments to the data that was set on shipment from
the factory. (= Cancel Service Mode.)
5-4. PICTURE DISTORTION ADJUSTMENT
Item Number 00 – 08
00 HSF (H SHIFT)
01 HSZ (H SIZE)
02 PAP (PIN AMP)
03 CNP (CORNER PIN)
04 TLT (TILT)
05 VSL (V SLOP)
06 VAP (V ANP)
07 SCR (S CORRECTION)
08 VSF (V SHIFT)
00 HSF (H SHIFT)
01 HSZ (H SIZE)
02 PAP (PIN AMPLITUDE)
03 CNP (CORNER PIN)
04 TLT (TILT)
05 VSL (V SLOPE)
06 VAP (V AMPLITUDE)
07 SCR (S CORRECTION)
08 VSF (V SHIFT)
–
26
–
–
27
–
–
25
–
KV-G21L3
RM-883
KV-G21L3
RM-883
KV-G21L3
RM-883
SECTION 6
DIAGRAMS
59
60
38
9
41
40
36
35
34
3
6
56
54
12
L/H
U/V
VC
AGC
KEY1
KEY2
RESET
EXTAL
XTAL
TIMER
RESP/
IICLK0
IIDAT0
BLK
NICAM
VC AMP
Q109
Q110
VC FILTER
Q108
AGC MUTE
AGC
TU
U/V
L/H
51
50
49
42
47
25
55
53
26
17
48
27
R
G
B
BRT ABL
HSYNC
HSYNC
IICLK1
IIDAT1
SIRCS
VPULSE
VSYNC
HDSW
IC001 µ-COM
Q303
G BUFFER
5
6
IC003 MEMORY
1
2
IC004 IR DET
+5V
S901
S902
S903
S904
S905
PROG+
PROG–
VOL+
VOL–
TV/VIDEO
5
4
IC002 +5V REG
1
+9V
+5V
X101
Q902
LED
DRIVE
DRIVE
LED
Q903
+5V
TIMER
D901
NICAM
ST/BY
SWF401
Q402
IF BUFFER
IF
TU101
L OUT
VCC 2
VCC 1
5
8
4
IC203
AUDIO OUT
Q1207, 1208
BUFFER
L SP MUTE
Q210
VIDEO
L (MONO)
J1201 (2/2)
CN251
SP L
J251
EARPHONE
MONITOR
OUT
A
SYS CONTROLLER, TU, MEMORY
IF, Y/C JUNGLE, H/V OUT
POWER SUPPLY
AUDIO/VIDEO INPUT
IF, Y/C JUNGLE, H/V OUT
POWER SUPPLY
AUDIO/VIDEO INPUT
18
19
20
21
48
49
54
41
34
35
26
IF IN
IF IN
AGC OUT
SSCP/FBT
3.58
4.43/3.58
BLK
SCL
7
8 SDA
30
29
38
39
31
32
22
50
B-Y
R-Y
CVBS SW OUT
BLK/STC
B-Y
R-Y
ABL
EHTX-RAY
IC300
BUS CONTROL
X443
4.43MHz
X358
3.58MHz
12
11
5
14
16
IC351 1HDL
TV PROCESSOR
IF OUT
SIF IN
6
1
BUFFER
Q030
Q801
H DRIVE
3
1
PIN AMP
IC801 (2/2)
Q821
PIN OUT
IC801 (1/2)
PIN AMP
7
5
6
IC551 V OUT
2
4
Q802
H OUT
L804
DUMPER
D802
S801
H CENT
FV
HV
+135V
–13V
+15V
T851 FBT
Q561
X RAY
+135V
D561
D591
Q1513
V SAW
D1505
H+
H+
H–
H–
V–
V+
DY1
2
1
4
200V
1000V
H1
CN851
CN103
CN703
6
5
4
1
Q712
Q711
Q710
Q706
Q705
Q704
R DRIVE
G DRIVE
B DRIVE
R AMP
G AMP
B AMP
Q709
Q708
Q707
IK LIMIT
IK LIMIT
IK LIMIT
R
G
B
IK
10
9
8
3
J701
6
1
2
4
1000V
200V
H1
CN701
G2
RV701
C (RGB OUT)
T601 SRT
+16V
+11V
+B
AC-RECT
S601 POWER
F601
1
2
DRIVE
LATCH
OVP
OSC
9
8
6
7
2
1
3
4
IC603 PHOTO COUPLER
1
2
IC602 ERROR AMP
IC601 REG IC
CN601
AC IN
HDY
VDY
H+
H–
V+
V–
DY ASS'Y
IK
B
G
R
+7V
Q202
MUTE
MUTE 11
40
45
46
47
HOR OUT
EAST/WEST
VERT POS
VERT NEG
AUTO
MANUAL
TV SYS
SELECT
COL SYS
PROGR
PROGR
R
G
B
IK
1
4
2
7
9
10
5
6
11
13
17
16
15
14
13
11
2
3
4
5
8
7
T605 LFT
1
2
T801
H2
V901
PICTURE TUBE
6
5
7
1203
VIDEO
L (MONO)
IN 1
VIDEO
(FRONT)
(REAR)
VIDEO
IN 1
L (MONO)
VIDEO
17 CVBS IN
3
5
7
IC1211 L-SW
IC1210
BUFFER
CLK
DAT
R-Y
B-Y
SYNC
R-Y
B-Y
IN
OUT
RESET
55 DEEMP
AUDIO
Q1209
B/G SW
Q414
Q406, 408
Q409
CT55,CF55
CT55,CF55
SYNC
FILTER
13
CVES IN
SYNC
FILTER
+
–
–
Q1201, 1202,
VIDEO BUFFER
TV
V1
STBY-SW2
Q207
STBY-SW1
Q208
STBY 30
J1201 (1/2)
J1202
BUFFER
Q1204
1
2
6
5
4
1
D1504
D601
1
2
3
4
5
6
AMP
+9V
REG
+9V
IC521
6-1. BLOCK DIAGRAMS
6-2. CIRCUIT BOARDS LOCATION
6-3. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDS
Note:
•
All capacitors are in µF unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise noted.
•
All resistors are in ohms.
k = 1000 , M = 1000k
k = 1000 , M = 1000k
•
Indication of resistance which does not have rating electrical
power is as follows.
power is as follows.
Pitch: 5 mm
Rating electrical power 1/4W (CHIP: 1/10W)
Rating electrical power 1/4W (CHIP: 1/10W)
•
: nonflammable resistor.
•
¢
: internal component.
•
: panel designation or adjustment for repair.
•
All variable and adjustable resistors have characteristic curve B
unless otherwise noted.
unless otherwise noted.
•
Readings are taken with a color-bar signal input.
no mark
no mark
: PAL
( )
: SECAM
[ ]
: NTSC 3.58
« »
: NTSC 4.43
•
Readings are taken with a 10 M digital m ultimeter.
•
Voltage is dc with respect to ground unless otherwise noted.
•
Voltage variations may be noted due to normal production toler-
ances.
ances.
•
All voltages are in V.
•
: Cannot be measured.
•
Circled numbers are waveform reference.
•
: B + bus.
•
: B – bus.
•
: signal path.
Reference information
RESISTOR
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE WIREWOUND
:
*
ADJUSTMENT RESISTOR
COIL
: LF-8L
MICRO INDUCTOR
CAPACITOR
: TA
TANTALUM
: PS
STYROL
: PP
POLYPROPYLENE
: PT
MYLAR
: MPS
METALIZED POLYESTER
: MPP
METALIZED POLYPROPYLENE
: ALB
BIPOLAR
: ALT
HIGH TEMPERATURE
: ALR
HIGH RIPPLE
Note: The component identified by shading and
mark
!
!
!
!
!
are critical for safety. Replace only
with part number specified.
*
C
A
Click on the first or last page to see other KV-G21L3 service manuals if exist.