Sony KV-XG29M90 Service Manual ▷ View online
– 33 –
KV-XG29M90
RM-952
SUB HUE ADJUSTMENT
1. Select Video 3.58.
2. Input a NTSC, color-bar, video into Video.
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.
6. Press
[MUTING]
→ - of the commander to write the data.
4-6. 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 cases where items are not well adjusted, rectify the items
with fine adjustment.
Write the data per each item number (
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), “OPB2”
(OP3), “OPB3” (OP4) and respectively set the bit per model
with command buttons 3 and 6.
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.)
(This will also cancel Service Mode.)
4-4. DEFLECTION ADJUSTMENT
1.
Set to Service Mode.
2.
Input PAL color bar.
3.
Using the 1 and 4 button, select category GEO (Service
Mode).
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.
VB1
VB2
VB3
VB4
VB2 = VB3 = VB4
VB2 = VB3 = VB4 (Difference is within 70mV)
VB1
VB2
VB3
VB4
VB1 = VB2 = VB3 = VB4
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 ± 110mV.
the same line. Ideal difference level between VB2 and VB3
should be within ± 110mV.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
5.
Input 525/60Hz signal.
6.
Using the 1 and 4 button select category GEO (Service
Mode).
Mode).
7.
Select and adjust the following items to obtain optimum
image. Raise/lower the data with the 3 and 6 buttons.
image. Raise/lower the data with the 3 and 6 buttons.
Service Item
GEO : 00
HPS
H POSITION
01
HSZ
H SIZE
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
4-5. H-TRAPEZOID ADJUSTMENT
1. Receive cross hatch/dot signal.
2. Adjust RV1801 on C6 board to make H-trapezoid distortion
best.
– 34 –
KV-XG29M90
RM-952
4-7. PICTURE DISTORTION ADJUSTMENT (1)
Item Number 00 – 0B
PICTURE DISTORTION ADJUSTMENT (2)
GEO 0
HPS (H POSITION)
GEO 1
HSZ (H SIZE)
GEO 2
PAP (PIN AMP)
GEO 5
VSZ (V SIZE)
GEO 7
VLN (V LINEARITY)
GEO 4
VPS (V POSITION)
GEO 6
SCO (VERTICAL S-Correction)
GEO 8
BOW (AFC.BOW)
GEO 9
AGL (AFC.ANGLE)
GEO 3
TLT (TRAPEZIUM)
GEO 0A UPN (UPPER CORNER PIN)
GEO 0B LPN (LOWER CORNER PIN)
H-TRAPEZOID (Rotate RV1801)
KV-XG29M90
RM-952
KV-XG29M90
RM-952
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
– 35 –
– 36 –
MAIN. TUVIF
<slave: 90H>
<slave: 90H>
TU101
BTF-WG441
<slave:C0H>
BTF-WG441
<slave:C0H>
YC JUNGLE
IC301
CXA2159S
CXA2159S
<slave:88H>
MONITOR
OUT
from H2
OUT
from H2
TV V in
TV L in
TV R in
TV Y in
V I Y in
V 2 Y in
46
43
4
V1 Y in
V1 L in
V1 R in
V3 Y in
V3 L in
V2 Y in
V2 L in
V2 R in
V3 R in
L out 2
R out 2
JACK BLOCK
J8402
PIN 9P
PIN 9P
VIDEO IN 1
VIDEO IN 2
VIDEO IN 3
(FRONT)
From H2
(FRONT)
From H2
AUDIO
PROSESSOR
PROSESSOR
IC8203
TDA7429S
TDA7429S
<slave: 90H>
AUDIO OUT
IC201
TA8223K
TA8223K
RED OUT
GREEN OUT
BLUE OUT
VIDEO AUP
O701-712
O701-712
IC1800
LA6510
LA6510
H2
3P ASSY
R out
CRT SOCKET
G out
CRT
M68LNH070X
M68LNH070X
NECK ASSY
DY
Y29RSA-5
Y29RSA-5
B out
R out
V out
U out
Y out
Y in
U in
V in
VM out
G out
B out
24
25
26
23
21
20
13
15
16
IK in
H. DRIVE
H. PULSE
E/W
VD+
VD-
VM DRIVE
Q5902/5906
Q5902/5906
H-OUT
Q511
2SD2578
Q511
2SD2578
V-OUT
IC503
TDA8172
IC503
TDA8172
HDT
T501
T501
H-DRIVE
Q506
2SC2785
Q506
2SC2785
PIN-CONT
IC502
NJM2903M
IC502
NJM2903M
PIN-OUT
Q505
IRF614
Q505
IRF614
PMT
T505
T505
HLT
T504
T504
FBT
T503
NX-4009
T503
NX-4009
V. PARA
IC2801
IC2801
DQP V. DRIVE
Q2802/2803/2804
Q2802/2803/2804
DQP H. DRIVE
Q2801
Q2801
DF TRANS
T2800
T2800
+B
Audio Front Vcc
+9V
11V
7V
+5V
5V REG & RESET
IC002 MM1319AFBE
9V REC IC603
5V REC IC604
STB TRANS
T604
STB SW TR
Q605
2SK2845
2SK2845
SRT
T603
POWER
IC601
STR-F6656
STR-F6656
LINE FILTER
T601
THP
THP600
DGC
Additional
Color Matrix
Color Matrix
SYSTEM
Ucom
IC001
CXP86449
CXP86449
RECEIVER
UPD6124G-212
IC2901
IC2901
H2
SIRCS
B G R
BLK
I2L
MEMORY
IC003
M24C08
M24C08
41 40 39
34 33 32
17
28 29 30 31
R out
L out
AUDIO MIXER
IC8204 UPC4558G2
Q8310
CASIO
MIXER
CASIO
MIXER
Q8310
CASIO
MIXER
CASIO
MIXER
PNC
& ADC
& ADC
(SYSTEM CONTROLLER, Y/C JUNGLE, DEFLECTION TUVIF,
FRONT AMP, POWER SUPPLY)
FRONT AMP, POWER SUPPLY)
A
D3
(DQP &
DYNAMIC FOCUS)
DYNAMIC FOCUS)
VM1
(VELOCITY
MODULATION)
C6
(RGB OUT & PICTURE ROTATION)
(CONTROL
PANEL)
(CISPR, A/C
FUSE, A/V
INPUT,
MONITOR
INPUT)
FUSE, A/V
INPUT,
MONITOR
INPUT)
B6
LINE
FILTER
FILTER
T8601
T8602
T8602
AC CORD
(CISPR, A/C FUSE,
A/V INPUT,
MONITOR INPUT)
A/V INPUT,
MONITOR INPUT)
B6
J2903 3P
KV-XG29M90
RM-952
KV-XG29M90
RM-952
– 37 –
– 38 –
5-2. CIRCUIT BOARDS LOCATION
5-3. SCHEMATIC DIAGRAM
Note:
•
•
All capacitors are in µF unless otherwise noted.
•
All electrolytic capacitors are rated at 50V unless otherwise
noted.
noted.
•
All resistors are in ohms.
k
k
Ω = 1000Ω, MΩ = 1000kΩ
•
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 rrepair.
•
All variable and adjustable resistors have characteristic curve
B unless otherwise noted.
B unless otherwise noted.
•
Redings 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 10W MW digital multimeter.
•
Voltage are dc with respect to ground unless otherwise
noted.
noted.
•
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
All voltage are in V.
•
✽
: Cannot be measured.
•
Circled numbers are waveform references.
•
: 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
mark
! are critical for safety. Replace only
with part number specified.
VM1
A
B6
H2
D3
C6
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