Sony KV-XA29K94 Service Manual ▷ View online
– 41 –
KV-XA29K94/XA34K94
RM-962
5-6. H-TRAPEZOID ADJUSTMENT
1.
Receive cross hatch/dot signal.
2.
Adjust RV1801 on C6 board to make H-Trapezoid
distortion best.
5-7. 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 “OPB00” (OP1), “OPB01” (OP2),
"OPB 02" (OP3) and "OPB 03" (OP4) respectively set the
bit per model with command buttons 3 and 6.
"OPB 02" (OP3) and "OPB 03" (OP4) 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.
to the data that was set on the shipment from the factory.
(This will also cancel Service Mode.)
NORMAL MODE (50HZ)
10.
Select Video (without input signal).
11.
Copy (item from NORMAL MODE (60Hz)) adjusted
data for the following items:
data for the following items:
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
12.
Add 6 steps to 'HPS' and write the data.
13.
Add 3 steps to 'HSZ' and write the data.
WIDE MODE (50Hz)
14.
Select Video Mode (without input signal).
15.
Adjust condition change to WIDE MODE : ON.
16.
Using the 1 and 4 button, select category GEO
(Service Mode).
(Service Mode).
17.
Copy (item from normal mode (50Hz)) adjusted data for
the following items:
Service Item
the following items:
Service Item
GEO : 01
HSZ
H SIZE
05
VSZ
V SIZE
06
SCO
S CORRECTION
07
VLN
V LINEARITY
18.
Copy (item from Wide Mode (60Hz)) adjusted data for
the following items:
the following items:
Service Item
GEO : 00
HPS
H POSITION
02
PAP
PIN AMP
03
TLT
TILT
04
VPS
V POSITION
08
BOW AFC BOW
09
AGL
AFC ANGLE
0A
UPN
UPPER CORNER PIN
0B
LPN
LOWER CORNER PIN
19.
Add 6 steps to 'HPS' and write the data.
20.
After confirm WIDE MODE : ON – OFF.
Note:
For Deflection Adjustment, set PICTURE MODE to "SOFT".
– 42 –
KV-XA29K94/XA34K94
RM-962
5-8. PICTURE DISTORTION ADJUSTMENT (1)
Item Number 00 – 0B
GEO 1
HSZ (H SIZE)
GEO 3
TLT (TRAPEZIUM)
GEO 0A UPN (UPPER CORNER PIN)
GEO 0B LPN (LOWER CORNER PIN)
GEO 5
VSZ (V SIZE)
GEO 0
HPS (H POSITION)
GEO 9
AGL (AFC.ANGLE)
GEO 8
BOW (AFC.BOW)
GEO 2
PAP (PIN AMP)
GEO 4
VPS (V POSITION)
GEO 7
VLN (V LINEARITY)
GEO 6
SCO (VERTICAL S-Correction)
KV-XA29K94/XA34K94
RM-962
KV-XA29K94/XA34K94
RM-962
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM
– 43 –
– 44 –
MAIN.TUVF
TU101
BTF-WL411
<slave: C0H>
<slave: C0H>
VIDEO IN 1
VIDEO IN 2
VIDEO IN 3
MONITOR
OUT
OUT
J
(DVD,
TERMINAL)
DL
UV
U
U
V
V
V
PIP
IC4301
5DAS288XE-B121
<slave: D811>
IC4301
5DAS288XE-B121
<slave: D811>
UV SW
P2 (
Picture in Picture
& DVD Switch
)
A (
System controller, Y/C Jungle,Deflection,
Tuvif, Front Amp, Power Supply)
YUV Delay
TEXT
DECODER
DECODER
SYSTEM
Ucom
IC001
CXP750097
Ucom
IC001
CXP750097
5V REQ
& RESET
IC002
MM1319AFBE
& RESET
IC002
MM1319AFBE
MEMORY
IC003
M24C08
M24C08
RECEIVER
SBX3081
IC3901
IC3901
PIP
V/U/V SW
IC4302
V/U/V SW
IC4302
V In
U In
Y In
V out
U out
Y out
SUB CHROMA
DECODE
IC4303
CXA2139S
<slave: BAH>
DECODE
IC4303
CXA2139S
<slave: BAH>
SW
B
(Audio AMP, Surround Processor, AV IN/OUT, VM Driver)
FRONT
VIDEO IN 3
VIDEO IN 3
SUB.TUVIF
TU1401
BTF-FA401
<slave: C2H>
TU1401
BTF-FA401
<slave: C2H>
JACK BLACK
J1402
PIN 12P
J1402
PIN 12P
with
STEREO
DECODER
(MSP3415)
<slave: 86H>
STEREO
DECODER
(MSP3415)
<slave: 86H>
AV SW
YC JUNGLE
IC1401
CXA1855S
<slave: 90H>
CXA1855S
<slave: 90H>
Adaptive NTSC Comb & Filter
IC302
TDA9183T
TRU Surround
IC3201
NJM2188M-TE2
IC3201
NJM2188M-TE2
DAC IC3205
CXA1315P
<slave: 46H>
CXA1315P
<slave: 46H>
IC3206
BH3868AFS-E2
IC301
CXA2159S
<slave: 88H>
CXA2159S
<slave: 88H>
TV.V In
47
46
46
45
46
45
CN1407
TV.L In
L1 out
VL out
9
7
4
2
43
1
2
4
3
6
2
4
3
6
45
CN301
COMB Y In
COMB C In
CV/Y in
C1 in
CV/Y out
V1.V In
V1.L In
V1.R In
V1.Y In
V1.C In
V1.L In
V1.R In
V1.Y In
V1.C In
7
8
10
8
10
V2.V In
V2. L In
V2.R In
V2. L In
V2.R In
14
16
15
17
16
15
17
33
11
18
18
29
28
26
28
26
18
23
CN1304
V3.L In
V3.R In
V3.R In
V3 CV/Y In
V3.C In
SUB.TV. V In
V out2
L out2
R out2
L out2
R out2
Sub Y
Sub U
Sub U
Sub V
Y
Y
Y
U
V
U
V
U
V
U
SW2
VM
Shape
Q4318/4324
R G B
BLK
B
G
R
BLK
D3
(Dynamic
Focus, DQP)
Focus, DQP)
H
V.PARA
DQP
IC2801
DQP
V.DRIVE
Q2802/2803
/2804
V.DRIVE
Q2802/2803
/2804
HALF
28 29 30
34 33 32
41
40
39
31
16
15
13
20
21
H DRIVE
H.PULSE
E/W
VD+
PIN-CONT
IC502
NJM2903D
IC502
NJM2903D
PIN-CONT
Q505
IRF614
Q505
IRF614
PMT
T504
T504
PMT
T505
T505
H-OUT
Q511
2SC4927 (XA34K94)
2SD2578 (XA29K94)
Q511
2SC4927 (XA34K94)
2SD2578 (XA29K94)
HDT
T501
T501
N/S DRIVE
IC1800
IC1800
VM DRIVE
Q5902/5906
Q5902/5906
NECK ASSY
R out
CRT SOCKET
CRT
29 RSN (XA29K94)
34 RSN (XA34K94)
29 RSN (XA29K94)
34 RSN (XA34K94)
DY
Y29RSA
Y34RSA
Y29RSA
Y34RSA
SP ASSY
G out
B out
FBT
T503
NX-4009
T503
NX-4009
H-DRIVE
Q506
2SC2688
Q506
2SC2688
V-OUT
IC503
TDA8172
IC503
TDA8172
VD-
23
26
25
24
R out
B out
1K in
B out
SIRCS
I2L
11V
135V
7V
V
R
R
L
Y
U
V
L
C1 out
R1 out
TV.R In
*V1
(Tele Text)
with Ucom
STB TRANS
STB SW TR
O605
2SK2845-LB102
O605
2SK2845-LB102
DGC
LINE
FILTER
T601
FILTER
T601
THP
THP600
POWER
IC601
STR-F6656
IC601
STR-F6656
T604
T603
SRT
9V REG
IC603
IC603
5V REG
IC604
IC604
+B
+9V
+5V
Audio Front Voc
IC801
SAA5261
<slave: 58H>
<slave: 58H>
H.DRIVE
Q2801
DF TRANS
T2800
RED OUT
Q703 2SC2611
VM1
(Velocity
Modulation)
Modulation)
GREEN OUT Q702 2SC2611
BLUE OUT
Q701 2SC2611
H
(
Front AV IN,
Sensor,
Power Switch)
Power Switch)
C6 (
Video Amp, Rotation Circuit
)
RGP OUT
AUDIO OUT
IC6201
TA8200AH
TA8200AH
IC3202
Q3204/3201
Q3204/3201
D2
(Dynamic
Focus, DQP)
Focus, DQP)
V.PARA
DQP
IC2805
DQP
V.DRIVE
Q2822/2823
V.DRIVE
Q2822/2823
H.DRIVE
Q2811
H Timing
Shape
Q2821/IC2801
Shape
Q2821/IC2801
DF TRANS
T2801
(KV-XA29K94 Only)
(KV-XA34K94 Only)
F
(Cispr)
LINE
FILTER
T4601
T4602
FILTER
T4601
T4602
* Not used for this model.
AC CORD
KV-XA29K94/XA34K94
RM-962
KV-XA29K94/XA34K94
RM-962
– 45 –
– 46 –
6-2. CIRCUIT BOARDS LOCATION
6-3. 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
: COMMON
ONLINE
: PAL
(
)
: SECAM
[
]
: NTSC 3.58
<<
>> : NTSC 4.43
•
Readings are taken with a 10 M
Ω 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 Volt.
•
✽
: 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
D3
(KV-XA29K94)
D2
(KV-XA34K94)
B
J
F
P2
H
C6
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