Sony KV-BT21P40 Service Manual ▷ View online
– 29 –
KV-BT21P40
RM-W101
3-6. PICTURE DISTORTION ADJUSTMENT
H. CENTER ADJUSTMENT (HPOS)
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select the HPOS item with
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select the HPOS item with
1
and
4
.
4. Adjust the value of HPOS with
3
and
6
for the best
vertical center.
5. Press [MUTING] then
-
to save into the memory.
H. SIZE ADJUSTMENT (HSIZ)
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select HSIZ with
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select HSIZ with
1
and
4
.
4. Adjust with
3
and
6
for the best horizontal size.
5. Press [MUTING] then
-
to save into the memory.
V. SIZE ADJUSTMENT (VSIZ)
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select the VSIZ item with
2. Activate the Service Adjustment Mode.
3. Select the VSIZ item with
1
and
4
.
4. Adjust value of VPOS with
3
and
6
for the best
vertical center.
5. Press [MUTING] then
-
to save into the memory.
V. CENTER ADJUSTMENT (VPOS)
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select the VPOS item with
2. Activate the Service Adjustment Mode.
3. Select the VPOS item with
1
and
4
.
4. Adjust value of VPOS with
3
and
6
for the best
vertical center.
5. Press [MUTING] then
-
to save into the memory.
V. LINEARITY (VLIN), V. CORRECTION (SCOR), PIN
AMP (EWPW), AND HORIZONTAL TRAPEZOID
(EWTZ) ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select VLIN, SCOR, EWPW, and EWTZ with
AMP (EWPW), AND HORIZONTAL TRAPEZOID
(EWTZ) ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select VLIN, SCOR, EWPW, and EWTZ with
1
and
4
.
4. Adjust with
3
and
6
for the best horizontal size.
5. Press [MUTING] then
-
to save into the memory.
V. ANGLE (HPAR), H. BOW (HBOW), UPPER PIN
(UCOP) AND LOW PIN (LCOP) ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select HPAR, HBOW, UCOP, and LCOP with
(UCOP) AND LOW PIN (LCOP) ADJUSTMENTS
1. Input Monoscope signal.
2. Activate the Service Adjustment Mode.
3. Select HPAR, HBOW, UCOP, and LCOP with
1
and
4
.
4. Adjust with
3
and
6
for the best picture.
5. Press [MUTING] then
-
to save into the memory.
HORIZONTAL TRAPEZOID (EWTZ)
PIN AMP (EWPW)
V CORRECTION (SCOR)
V LINEARITY (VLIN)
UPPER PIN (UCOP)
LOW PIN (LCOP)
V ANGLE (HPAR)
V BOW (HBOW)
– 30 –
KV
-BT21P40
-BT21P40
RM-W101
SECTION 4
DIA
GRAMS
4-1.
BLOCK DIA
GRAM
VIF&SIF SAW
MAIN
Power
Supply
FSS TUNER
AGCin
12C
Video
L(Mono)
Video
L(Mono)
CV/YC
L(Mono)
CV/YC
L(Mono)
CV/YC
L(Mono)
G/Y
B/P
B
R/P
R
L
Fbl(RGBin)
24.576MHz
DVD/RGB
AV2
AV3
AV1
Mon Out
Audio Amp
TV
out
Mon
out
AV1
in
AV2
in
AV3
in
RGB/
DVD
in
5V
30V
IF
24-5.VIF1~2
115.
DGC RELAY
STBY
3.3V
AC in ~
110-220V
CISPR/
PFC
3.3V
5V
8V
3.3/5V
Relay
8V
AUDIO VCC
HV
DGC
+/-15V
Hout
FBT
L
1/2ch
Audio Amp
ATT
VAR
NVM
Pin out
H-drive
H-out
Rot. cct
V-out
VM
RGB Amp
feedback
3W
Mono
3W
R
L,R
HP
mute
EHT, ABL
Hp
1k
EW, Hd
V+, V-
RGB
+B
On/Off
stdby
Device 12C
12C
SIRCS
Key buttons
PLL
I/O Port
VIF & SIF
POWER
Color
Decoder
YUV
Processor
Jungle
RGB
FM MONO Dem
Volume control
ONE CHIP
Micro
Text
CC & V-chip
11.XTALOUT
10.XTALIN
74~76.YUVout
70-72.YUVIN
119.ADC2
126.INT2
98, 99.
SD
A1, SCL1
108, 109.
SD
A0, SCL0
102.P0.4
122~3.P2.4~5
77.SCART FBL
78~80.RGB3
R-Y/R,Y/G,B-7/B
34.DIRIN
R-Y/R,Y/G,B-7/B
34.DIRIN
R-Y/R,Y/G,B-Y/B IN
31.AGCout
43.IFVO/IF-MON-OUT
62.SCART4PL
48.MON-OUT
36.OutL
36.OutL
85~87
RGBout
84.lk
65.VM
23.VD+
22.VD-
22.VD-
112.VO-ROT CTRL
113.RDT SW
21.EWD
67.Hout
66.AFC
32.EHTO
83.ABL
60.LSL
106.AUDIO MUTE
105.AUDIO STABY
58.CVBS1/YI
59.C3
59.C3
56.InL1
55.CVBS3
55.CVBS3
53.InL3
I/O Port
51.CVBS2/Y2
52.C2
49.InL2
52.C2
49.InL2
B-INT
LED
+B line
30V
L
– 31 –
KV-BT21P40
RM-W101
4-2. CIRCUIT BOARDS LOCATION
A Board
C Board
4-3. 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.
electrical 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.
•
: fusible resistor.
•
¢
: internal component.
•
: panel designation or adjustment for repair.
•
All variable and adjustable resistors have characteristic
curve B unless otherwise noted.
curve B unless otherwise noted.
•
Readings are taken with a color-bar signal input.
no mark
no mark
: Common
( )
: PAL
[ ]
: NTSC 3.58
•
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
production tolerances.
production tolerances.
•
All voltage are in Volt.
•
✽
: Cannot be measured.
•
Circled numbers are waveform references.
•
: B +bus.
•
: B –bus.
•
k
: signal path.
Note: The reference number which starts with Wxxx
(eg: W003) indicates a wire to wire connection.
Note: Components marked as XX are not fitted on this
model.
Reference information
RESISTOR
RESISTOR
: RN
METAL FILM
: RC
SOLID
: FPRD
NONFLAMMABLE CARBON
: FUSE
NONFLAMMABLE FUSIBLE
: RS
NONFLAMMABLE METAL
OXIDE
OXIDE
: RB
NONFLAMMABLE CEMENT
: RW
NONFLAMMABLE
WIREWOUND
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.
Note: “A” board schematic diagram is divided into 6 blocks.
Each block is named by its function and block
“alphabet”. eg: Processor (Block A)
Joint connection between boards can be identified
using the block alphabet followed by sequence
numbering.
eg: -<HOUT-DEFL (A10) To D11
Meaning: Block A joint A10 is connected to Block D
joint D11
“alphabet”. eg: Processor (Block A)
Joint connection between boards can be identified
using the block alphabet followed by sequence
numbering.
eg: -<HOUT-DEFL (A10) To D11
Meaning: Block A joint A10 is connected to Block D
joint D11
A
12345
6
7
B
C
D
E
F
G
H
I
J
– 32 –
KV
-BT21P40
-BT21P40
RM-W101
4-3-1.
C
Boar
d Sc
hematic Dia
gram
2kV
4700p
E
C752
1000p
B
C782
1
1P:TAB
CN705
GND
1SS133T-77
D780
D781
L750
XX
22uH
L780
Q701
XX
CHIP
XX
R775
CHIP
XX
R777
R766 XX
R767 XX
R768
XX
R784
XX
R785
XX
R786
XX
UDZSTE-175.6B
D782
CHIP
XX
R776
CHIP
XX
R778
250V
4.7
C754
JW702
XX
C759
XX
CH
CH
1
2
3
4
5
WHT
5P:S-MICRO
CN703
200V
NC
GND
H1
NC
3
4
5
6
7
8
9
10
11
13
1
GND
GND
1
J751
110M
RV750
1/2W
XX
R760
1/2W
100
R763
1/2W
100
R764
1/2W
100
R765
1/2W
560k
R773
1/2W
1k
R756
1/2W
1k
R757
1/2W
1k
R758
HSS82-TJ
D756
HSS82-TJ
D755
HSS82-TJ
D754
R774
150
3W
RS
1/2W
100
R783
R713
0 :CHIP
C783
1000p
B:CHIP
1
CN704
1P:TAB
1P:TAB
1000V
1
3
9
8
7
6
5
4
2
TDA6108AJF/N1
IC751
B IN
G IN
R IN
GND
IK
VDD
R OUT
G OUT
B OUT
0.47
R794
GP08D
D750
1/2W
470k
R780
1/2W
FPRD
100K
R795
1
2
3
4
5
6
7
7P:S-MICRO
CN701
WHT
GND
B
G
R
GND
1K
9V
1000p
B:CHIP
C786
500V
XX
B
C753
500V
1000p
C787
RS
R781
0.56
JW1781
5
JW1782
5
5
JW1783
CHIP
680
R752
CHIP
680
R753
CHIP
680
R754
250V
10
C751
250V
4.7
C781
XX
C788
XX
C790
XX
C789
XX
L781
XX
L782
XX
L783
+9V
+200V
R-OUT
R-IN
C
FV
RCV
(VIDEO AMP)
B-BX1S11968-NIG.-C..-BT21P40
1
2
3
4
5
6
9V
9V
1000V
200V
H
KG
G2
CV KR G1 G4 HV
KB
A51LPT70X
PICTURE TUBE
TO EARTH
COATING ASSY
145154411
1SS133T-77
SOCKET,CRT
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