Sony KV-T25SN81 Service Manual ▷ View online
– 21 –
KV-T25SN81
RM-870
Adjustment Item Table
Data
range
range
Initial
data
Standard data
Note
Device
Item
Adjustment
number
Item
36
BKP
00–3F
00
BLK OFF PICTURE
µ
. CON
37
HBL
00–3F
25
H BLK LEFT WIDTH
µ
. CON
38
HBR
00–3F
20
H BLK RIGHT WIDTH
µ
. CON
39
VBH
00–7F
00
V BLK HIGHT WIDTH
µ
. CON
3A
VBL
00–FF
FF
V BLK LOW WIDTH
µ
. CON
3B
ODL
00–FF
10
POWER ON DELAY
µ
. CON
3C
OFR
00–0F
00
STBY
n
ON RGB OUT
µ
. CON
3D
OFM
00–0F
00
MAIN POWER RGB OUT
µ
. CON
3E
OSH
00–3F
0A
OSD POSITION H
µ
. CON
3F
DKS
00–01
00
D/K NICAM
µ
. CON
40
MUT
00–01
01
NO SYNC. MUTE
µ
. CON
41
DWZ
00–01
00
DISEBLE WIDEZOOM
µ
. CON
42
ABL
00–01
01
BRIGHT ABL
µ
. CON
43
DTV
00–01
00
DISABLE TV SYSTEM KEY
µ
. CON
44
SCM
00–01
00
SECAM TRAP ACTIVE
µ
. CON
45
ROC
00–0F
07
ROTATION CENTER
µ
. CON
46
ROS
00–07
03
ROTATION STEP WIDTH
µ
. CON
47
DVM
00–01
00
DISABLE VM MUTE
µ
. CON
48
FBT
00–01
01
C/M FBT LAYER SHORT
µ
. CON
49
OP0
00–FF
40
Refer to table below
OPTION 0
µ
. CON
4A
OP1
00–FF
07
Refer to table below
OPTION 1
µ
. CON
4B
OP2
00–FF
00
Refer to table below
OPTION 2
µ
. CON
NOTE
•
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, therefore it is different for every model.
ITEM INFORMATION
•
10. DL: TV/MIX Mode 0=Interlace 1=Non interlace, TEXT Mode 0=Non interlace 1=Interlace
•
42. ABL: Bright ABL ON/OFF ON=1 OFF=0
•
49. OP0,
•
4A. OP1,
•
4B. OP2 :
Input data are different according to models.
AV INPUT : 00
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
Shrp : Dynamic Mode @ 1
Shrp : Dynamic Mode @ 1
→
Sharpness 50%, 0
→
Sharpness 70%.
VM Operation : 0
→
OFF, 1
→
ON
No. 49 OP0 * Input data are different according to models
Item
–
AV Input
Shrp 50
%
Remote Preset Auto Program
Video Text
Reserved
KV-T25SN81
0
1
0
0
0
0
0
0
No. 4A OP1
Item
–
TILT
–
TV System
NTSC 3.58
SECAM
Chinese
KV-T25SN81
0
0
0
0
1
1
0
1
No. 4B OP2
Item
–
Sound Mode Child Lock
Sound Effer
High Dev. 100 Program 4:3 Wide
S. Video
KV-T25SN81
0
0
0
0
0
0
0
0
– 22 –
KV-T25SN81
RM-870
4-4. 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)
4-3. A BOARD ADJUSTMENT AFTER IC003
(MEMORY) REPLACEMENT
1. Enter to Service Mode.
2. Press commander buttons
[5] and [0] (Data Initialize), and [2]
and
[0] (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] + [0]).
4. Select item numbers “49” (OP0), “4A” (OP1) and “4B” (OP2)
and respectively set the bit per model with command buttons
[3] and [6].
5. Press commander buttons
[8] and [0] (Test Normal) to return to
the data that was set on the shipment from the factory.
(= Cancel Service Mode.)
KV-T25SN81
RM-870
– 48 –
– 49 –
– 50 –
KV-T25SN81
RM-870
KV-T25SN81
RM-870
TRANSISTOR
DTA114EKA-T146
DTC114EKA-T146
UN2211
UN2213
UN2216
2SA1037K-T-146-QR
2SA1162-G
2SC1623-L5L6
2SC2712-YG
2SD601A-Q
DTC114EKA-T146
UN2211
UN2213
UN2216
2SA1037K-T-146-QR
2SA1162-G
2SC1623-L5L6
2SC2712-YG
2SD601A-Q
2SA1091-0
2SA1175-HFE
2SC2410SN
2SC2785-HFE
2SC2410SN
2SC2785-HFE
2SC3209LK
2SC3733
2SD774-34
2SC3733
2SD774-34
2SC2611
E
B
C
E C B
E C
B
LETTER SIDE
E C B
E
LETTER SIDE
C B
2SC2669-0
2SC4793
2SC4927-01
2SA1837
2SD2394-EF
2SD2394-F
2SD2394-EF
2SD2394-F
D1
G1
S1
NC
S2
G2 D2
E
C
B
E
C B
B
C
E
5-4. SEMICONDUCTORS
ERC06-15S
RN4Z
S3L20UF4
RN4Z
S3L20UF4
LN4SB60
LNK0220022G
DTZ9.1
MA113-(TX)
RD13ES-B2
RD2.2ES-B2
RD3.6ES-B1
RD39ES-B2
RD4.7ES-B2
RD5.1ES-B1
RD5.6ES-B2
1SS119-25
MA113-(TX)
RD13ES-B2
RD2.2ES-B2
RD3.6ES-B1
RD39ES-B2
RD4.7ES-B2
RD5.1ES-B1
RD5.6ES-B2
1SS119-25
RD9.1ES-L2
DIODE
D1NL20
EL1Z
GP08D
RGP02-17EL-6433
EL1Z
GP08D
RGP02-17EL-6433
RD3.6M-B2
RD5.6M-B2
RD5.6M-B2
DA204K
DAN202K
DAP202K
CATHODE
ANODE
2
2
4
1
3
1
2
4
CATHODE
ANODE
CATHODE
ANODE
3
1
2
1
3
2
3
1
2
1
3
2
3
1
2
1
3
2
3
1
2
1
3
2
ERD29-08J
RU4AM-T3
RU4AM-T3
5P-6M
CATHODE
ANODE
CATHODE
ANODE
GATE
IC
ST24C08FB6 (8PIN)
CXA1110BS (30PIN)
CXP85224A-072S (64PIN)
P83C654FBP/540 (40PIN)
SAA5281ZP/E (52PIN)
TDA4665T/V5-118 (16PIN)
TDA8375A (56PIN)
TDA8424 (20PIN)
CXA1110BS (30PIN)
CXP85224A-072S (64PIN)
P83C654FBP/540 (40PIN)
SAA5281ZP/E (52PIN)
TDA4665T/V5-118 (16PIN)
TDA8375A (56PIN)
TDA8424 (20PIN)
L78LR05D-MA
PC123F2
SBX1981-11
SE135N
STR-S6708N
1
TOP VIEW
Dual In-line Package
Pin 6~98
Pin 6~98
1
2
4
3
UPC4558G2 (8PIN)
NJM78L12A
LA7830
TA8223K
UPC574J
Single In -line Package
Pin 6~98
Pin 6~98
1
TOP VIEW
1
2
3
PQ09RE11
NJM2234L
MSP3410D-PP-B4
TA7805S
1
15
ANODE
CATHODE
12
34
8
1
Quad Flat J-leaded Package
Pin 20~996
Pin 20~996
TOP VIEW
1
Zig-zag In -line Package
Pin 6~99
Pin 6~99
MARKING SIDE VIEW
1
KV-T25SN81
RM-870
KV-T25SN81
RM-870
3
6
11
7
10
8
9
12
14
15
18
19
16
17
21
45
22
32
33
35
37
36
34
38
39
40
12
15
6
5
31
30
r
: BVTP3
×
12 7-685-648-79
p
: BVTP4
×
16 7-685-663-79
r
r
r
20
23
24
25
44
26
28
29
p
4
r
27
13
14
43
13
4
41
42
11
1
2
46
SECTION 6
EXPLODED VIEW
The components identified by
shading and mark
shading and mark
!
are critical
for safety.
Replace only with part number
specified.
Replace only with part number
specified.
•
Items marked " * " are not stocked since
they are seldom required for routine
service. Some delay should be
anticipated when ordering these items.
they are seldom required for routine
service. Some delay should be
anticipated when ordering these items.
– 51 –
NOTE:
•
Items with no part number and no
description are not stocked because they
are seldom required for routine service.
description are not stocked because they
are seldom required for routine service.
•
The construction parts of an assembled
part are indicated with a collation number
in the remark column.
part are indicated with a collation number
in the remark column.
6-1. CHASSIS
[
: BVTP3
×
12 7-685-648-79
L
: BVTP4
×
16 7-685-663-71
8
: BVTP3
×
16 7-685-650-79
– 52 –
REF. NO. PART NO.
DESCRIPTION
REMARK
REF. NO. PART NO.
DESCRIPTION
REMARK
1
4-050-176-31
DOOR, CONTROL
2
4-048-575-01
LABEL, CONTROL
3
4-627-936-01
LOCK, MINIATURE SIDE
4
4-048-540-01
CUSHION, CRT
5
X-4032-786-2
BEZNET ASSY
3, 4, 6-10
6
4-048-691-01
HANDLE
7
4-048-687-01
BUTTON, MULTI
8
4-049-123-01
GUIDE, LIGHT
9
4-048-688-01
BUTTON, POWER
10
4-302-428-03
SCREW (WASHER HEAD) (+P 3X12)
11
4-037-613-01
CUSHION, SP
12
1-504-305-11
SPEAKER (5X12CM)
13
* 4-038-987-11
CUSHION, SPEAKER
14
4-043-388-01
SCREW, STEP TAPPING
15
4-046-765-01
SCREW, TAPPING 7 + CROWN WASHER
16
! 8-733-255-05
PICTUTE TUBE (M60KWL70X)
17
! 8-451-404-42
DEFLECTION YOKE (Y25GXAS)
18
1-452-762-31
NECK ASSEMBLY NA294
19
* A-1342-396-A VM BOARD, MOUNTED
20
* A-1331-743-A C BOARD, MOUNTED
21
4-046-600-11
SPACER, DY
22
* 3-704-372-11
HOLDER, HV CABLE
23
4-369-318-61
SPRING, TENSION
24
! 1-403-619-11
COIL, DEMAGNETIZATION
25
4-043-827-11
BAND, DEGAUSSING COIL
26
* 4-042-988-01
HOLDER, DGC
27
4-049-416-01
SHEET, BLIND
28
! X-4032-967-1 COVER ASSY, REAR
27
29
4-049-130-01
CLAMPER, CORD
30
* 4-048-690-01
RAIL (L), GUIDE
31
* 4-048-689-01
RAIL (R), GUIDE
32
* A-1241-190-A F1 BOARD, MOUNTED
33
* 4-049-158-01
BRACKET, F1 PC BOARD
34
* A-1297-523-A A3 BOARD, COMPLETE
35
! 8-598-323-50
TUNER, VSS BT-AG401
36
! 1-900-212-02
LEAD ASSY, FOCUS
37
! 1-453-190-11
TRANSFORMER ASSY, FLYBACK (NX-2743//M3B)
38
* A-1298-964-A A BOARD, COMPLETE
39
! 4-389-778-11
HOLDER, AC CORD
40
! 1-574-358-12
CORD, POWER (WITH CONNECTOR) 7.5A/250V
41
1-452-032-00
MAGNET,DISC
42
X-4387-214-3
PERMALOY ASSY, CORRECTION
43
4-034-272-01
PLATE, CORRECTION, TLV
4-034-272-41
PLATE, CORRECTION, TLV
44
* 4-045-290-11
CUSHION (50X290), DGC
45
4-049-122-01
RIVET
46
* A-1347-103-A V1 BOARD, COMPLETE
NOTE : The picture tube for this model are upside-down, and the position
for the anode-cap and tension spring are changed accordingly.
Click on the first or last page to see other KV-T25SN81 service manuals if exist.