Sony KP-43HT20C / KP-53HS30C Service Manual ▷ View online
– 30 –
KP-43HT20C/53HS30C
RM-Y908
RM-Y908
0 : UPPER SENSOR
1 : LEFT SENSOR
2 : RIGHT SENSOR
3 : LOWER SENSOR
1 : LEFT SENSOR
2 : RIGHT SENSOR
3 : LOWER SENSOR
SCREEN
0
3
1
2
[SENSOR POSITION]
PJE 62 213
ERR
ERR
Color:
0=Green
1=Red
2=Blue
0=Green
1=Red
2=Blue
0-Green
1-Red
2-Blue
1-Red
2-Blue
Example: Blue low Level Sensor 3
ERROR EXAMPLE
AUTO REGI ERROR CODE FORMAT
Error Code:
(See Error List)
(See Error List)
Error codes in normal (customer) mode are not displayed.
You must enter PJED service mode to see to the error code.
When executing fl ash focus in service
mode, the error will be displayed in
text format (see below).
ERROR G
LO LEVEL S3
LO LEVEL S3
SENSOR POSITIONS
1
2
0
3
ERROR CODE LIST
ERROR
DESCRIPTION
REMEDY
CODE
00
No Error
10
Sensor 0 low output
Check sensor 0, connection/wiring, circuit, and pattern position
(Is pattern over sensor ?) Adjust “64 VUP” if necessary.
(Is pattern over sensor ?) Adjust “64 VUP” if necessary.
11
Sensor 1 low output
Check sensor 1, connection/wiring, circuit, and pattern position
(Is pattern over sensor ?) Adjust “69 HLB” if necessary.
(Is pattern over sensor ?) Adjust “69 HLB” if necessary.
12
Sensor 2 low output
Check sensor 2, connection/wiring, circuit, and pattern position
(Is pattern over sensor ?) Adjust “73 HRIV” if necessary.
(Is pattern over sensor ?) Adjust “73 HRIV” if necessary.
13
Sensor 3 low output
Check sensor 3, connection/wiring, circuit, and pattern position
(Is pattern over sensor ?) Adjust “68 VLOW” if necessary.
(Is pattern over sensor ?) Adjust “68 VLOW” if necessary.
20
Sensor 0 high output
Check sensor 0 and circuit.
21
Sensor 1 high output
Check sensor 1 and circuit.
22
Sensor 2 high output
Check sensor 2 and circuit.
23
Sensor 3 high output
Check sensor 3 and circuit.
30
V CENT or SKEW adjustment
Check “66 VMID” data and check registration condition.
loop overflow
31
H CENT or SKEW adjustment
Check “71 HMID” data and check registration condition.
loop overflow
32
H LIN or SIZE adjustment
Check “71 HMID” data and check registration condition.
loop overflow
40
V CENT regi data overflow
Check “66 VMID” data and confirm V CENT data (all mode) is not near 511.
41
H CENT regi data overflow
Check “71 HMID” data and confirm H CENT data (all mode) is not near 511.
42
V SKEW regi data overflow
Check “66 VMID” data and confirm V SKEW data (all mode) is not near 511.
43
H SKEW regi data overflow
Check “71 HMID” data and confirm H SKEW data (all mode) is not near 511.
44
H LIN regi data overflow
Check “71 HMID” data and confirm H CENT data (all mode) is not near 511.
45
H SIZE regi data overflow
Check “71 HMID” data and confirm H CENT data (all mode) is not near 511.
50
V CENT regi data overdrow
Check “66 VMID” data and confirm V CENT data (all mode) is not near –512.
51
H CENT regi data overdrow
Check “71 HMID” data and confirm H CENT data (all mode) is not near –512.
52
V SKEW regi data overdrow
Check “66 VMID” data and confirm V SKEW data (all mode) is not near –512.
53
H SKEW regi data overdrow
Check “71 HMID” data and confirm H SKEW data (all mode) is not near –512.
54
H LIN regi data overdrow
Check “71 HMID” data and confirm H CENT data (all mode) is not near –512.
55
H SIZE regi data overdrow
Check “71 HMID” data and confirm H CENT data (all mode) is not near –512.
60
H or V CENT offset overflow
Check “71 HMID” data and check “66 VMID” data.
61
H or V SKEW offset overflow
Check SKEW adjustment.
62
H SIZE or LIN offset overflow
Check “71 HMID” data, check “66 VMID” data and check SIZE and LIN adjustment.
70
H or V CENT offset overdrow
Check “71 HMID” data and check “66 VMID” data.
71
H or V SKEW offset overdrow
Check SKEW adjustment.
72
H SIZE or LIN offset overdrow
Check “69 HLB” data, check “73 HRIV” data and check SIZE and LIN adjustment.
80
SIZE limit error
Check that H SIZE is negative and not near zero.
KP-43HT20C/53HS30C
RM-Y908
RM-Y908
– 31 –
SECTION 4
CIRCUIT ADJUSTMENTS
4-1. P & P SUB CONTRAST ADJUSTMENT
(VIDEO) (SCON)
1. Receive the signal.
TV terminal (sub)
TV terminal (sub)
: no signal
VIDEO terminal (main) : color-bar signal
2. VIDEO MODE
2. VIDEO MODE
: Pro
PICTURE
: maximum
COLOR
: minimum
RGB Signal
: off
3. Set to P & P mode, and set to service mode.
4. Connect an oscilloscope between pin
!
of CN703 (A board)
and ground.
5. Select “ 2103-1-02 ”, and adjust so that the waveform level
of VR is 2.00 ± 0.05Vp-p.
6. Select “ 2103-2-02 ”, and adjust so that the waveform level
of VR is 2.00 ± 0.05Vp-p.
7. Write the data into memory.
MUTING
"
ENTER
Fig. 4-1
White
Black
VWB
4-2. P & P SUB CONTRAST ADJUSTMENT (RF)
(SCON)
1. Receive the signal.
TV terminal (main)
TV terminal (main)
: color-bar signal
VIDEO terminal (sub) : no signal
2. VIDEO MODE
2. VIDEO MODE
: Pro
PICTURE
: Max imum
COLOR
: Min imum
RGB Signal
: off
3. Set to P & P mode, and set to service mode.
4. Connect an oscilloscope between pin
!
of CN703 (A board)
and ground.
5. Select “ 2103-1-02 ”, and adjust so that the waveform level
of VR is 2.00 ± 0.05Vp-p.
6. Select “ 2103-2-02 ”, and adjust so that the waveform level
of VR is 2.00 ± 0.05Vp-p.
7. Write the data into memory.
MUTING
"
ENTER
Fig. 4-1
White
0.525
±
0.01
4-3. P & P SUB-HUE AND SUB-COLOR ADJUSTMENT
(SHUE, SCOL)
1. Receive the signal.
TV terminal (sub)
TV terminal (sub)
: no signal
VIDEO terminal (main) : color-bar signal
2. VIDEO MODE
2. VIDEO MODE
: Pro
PICTURE
: maximum
COLOR
: center
HUE
: +4 steps
Signal
: off
3. Set to P & P mode, set to service mode.
4. Connect an oscilloscope between pin
!
of CN702 (A board)
connecter and ground.
5. Select “ 2103-1-03 SCOL, -04 SHUE ”, and adjust them
to have VB1 VB4 and VB2 VB3 in the waveform
levels.
levels.
6. Select “ 2103-2-03 SCOL, -04 SHUE ”, and adjust them
to have VB1 VB4 and VB2 VB3 in the waveform
levels.
levels.
7. Write the data into memory.
MUTING
"
ENTER
Fig. 4-3
VB1 VB2 VB3 VB4
<
=
<
=
<
=
4-4. P & P SUB-HUE AND SUB-COLOR ADJUSTMENT
(SHUE, SCOL)
1. Receive the signal.
TV terminal (main)
TV terminal (main)
: color-bar signal
VIDEO terminal (sub) : no signal
2. VIDEO MODE
2. VIDEO MODE
: Pro
PICTURE
: maximum
COLOR
: center
HUE
: +4 steps
Signal
: off
3. Set to P & P mode, set to service mode.
4. Connect an oscilloscope between pin
!
of CN702 (A board)
connecter and ground.
5. Select “ 2103-1-03 SCOL, -04 SHUE ”, and adjust them
to have VB1 VB4 and VB2 VB3 in the waveform
levels.
levels.
6. Select “ 2103-2-03 SCOL, -04 SHUE ”, and adjust them
to have VB1 VB4 and VB2 VB3 in the waveform
levels.
levels.
7. Write the data into memory.
MUTING
"
ENTER
<
=
Fig. 4-4
VB1 VB2 VB3 VB4
<
=
<
=
<
=
<
=
– 32 –
KP-43HT20C/53HS30C
RM-Y908
RM-Y908
[ D BOARD]
5-1. HV REGULATION CIRCUIT CHECK AND
ADJUSTMENT
When replacing the f
ollowing components marked with
on
the schematic diagram always check HV regulation, and if
necessary re-adjust.
necessary re-adjust.
: VR8001
: C8079, C8083, C8090, C8129, D8013, D8015
: C8079, C8083, C8090, C8129, D8013, D8015
D8038, D8043
IC8006
Q8021, R8055, R8099, R8102, R8128, R8129,
IC8006
Q8021, R8055, R8099, R8102, R8128, R8129,
R8131, R8139, R8140, R8142, R8153, R8163,
R8223, R8230
R8223, R8230
T8004 (LOT), T8005 (FBT)
HV block, D board
HV block, D board
OPERATION CHECK
1. Receive the all white signal.
2. Set PIC MAX/BRT CENT.
2. Set PIC MAX/BRT CENT.
3. Confi rm that the voltage between CN8015
!
PIN and GND
is less than 7.80VDC.
HV REGULATION ADJUSTMENT
1. Connect a HV static voltmeter to the unconnected plug of the
high-voltage block.
2. Power on the set.
3. Repeat steps 1 and 2 as above.
4. Confi rm that the static voltmeter reading is 31.0 ± 0.4V.
5. If not, adjust with VR8001 to the specifi ed value.
6. After adjustment, put the VR cover on VR8001 as shown below and
apply suffi cient amount of epoxy resin around VR8001.
5-2. HV HOLD DOWN CIRCUIT OPERATION
CHECK AND ADJUSTMENT
When replacing the following components marked with on
the schematic diagram always check hold-down voltage and
if necessary re-adjust.
the schematic diagram always check hold-down voltage and
if necessary re-adjust.
: VR8002
: C8054, C8086, C8088, C8100, C8104,
C8118, C8123, C8124
D8019, D8020, D8022, D8028, D8036
FB8001
FB8001
IC8008
Q8035, Q8038
R8035, R8043, R8159, R8166, R8171,
R8035, R8043, R8159, R8166, R8171,
R8196, R8201
T8004 (LOT), T8005 (FBT)
HV block, D board
HV block, D board
OPERATION CHECK
1. Receive the dot signal.
2. Set PIC MIN/BRT MIN.
3. Confi rm that the voltage between cathode of D8038(JW171)
2. Set PIC MIN/BRT MIN.
3. Confi rm that the voltage between cathode of D8038(JW171)
and GND is more than 23.0V DC.
4. Using an external DC Power supply, apply the voltage shown
below between cathode of D8038(JW171) on “D” and
GND, then confi rm that the HV-Prot circuit works.(Raster
disappears.)
GND, then confi rm that the HV-Prot circuit works.(Raster
disappears.)
Apply DC voltage: Less than 29.05V DC.
HV HOLD-DOWN ADJUSTMENT
1. Connect a HV static voltmeter to the unconnected plug of the
high-voltage block.
2. Power on the set.
3. Connet an externel 10k VR at CN8015 and adjust this VR so that
the high voltoge is 34.50kV.
4. Adjust VR8002 to the point that the HV-Prot circuit works (Raster
disappears) at 34.50 ± 0.50kV reading on the static voltmeter.
5. After adjustment, put the VR cover on VR8002 and apply suffi cient
amount of epoxy resin around VR8002 as the same manner for
VR8001.
[ G BOARD]
5-3. +B MAX VOLTAGE CONFIRMATION
The following adjustments should always be performed
when replacing IC501, R5032.
1. Supply 130VAC to variable autotransformer.
2. Receive dot signal pattern and set the PICTURE and
when replacing IC501, R5032.
1. Supply 130VAC to variable autotransformer.
2. Receive dot signal pattern and set the PICTURE and
BRIGHTNESS settings to their minimum.
3. Confi rm the voltage of TP +B 135V is less than 137.0Vdc.
4. If step 4 not satisfied , replace IC501 and repeat above
4. If step 4 not satisfied , replace IC501 and repeat above
steps.
5-4. +B OVP CONFIRMATION
1. Add to low voltage power supply between to TP. 5001
and ground.
2. Supply 120VAC to variable autotransformer.
3. Power on the Set and receive dot signal pattern.
4. Set the PICTURE and BRIGHTNESS settings.
5. Check the OVP is activated.
3. Power on the Set and receive dot signal pattern.
4. Set the PICTURE and BRIGHTNESS settings.
5. Check the OVP is activated.
SECTION 5
SAFETY RELATED ADJUSTMENTS
Fig. 4-1
VR8001
epoxy resin
Fig. 4-2
Remove the cap off from
the unused terminal and
connect a static voltmeter
there.
the unused terminal and
connect a static voltmeter
there.
– 33 –
KP-43HT20C/53HS30C
RM-Y908
RM-Y908
SECTION 6
DIAGRAMS
63
62
64
8
9
11
17
19
15
16
18
24
26
28
22
23
25
60
59
61
44
41
47
53
43
52
38
40
54
45
4
5
6
10
11
18
19
23
24
25
3
5
7
7
1
2
4
32
31
BUFFER
Q8, 27
BUFFER
Q2008
BUFFER
Q2009
AMP
Q2015
AMP
Q2013
SWITCH
Q2301
AMP
Q2016
B. P. F.
Q2022, FL2001
B. P. F.
Q2017, 2020, 2025,
2027, FL2002
B. P. F.
Q2017, 2020, 2025,
2027, FL2002
H. SEP
Q21
BUFFER
Q2, 14
H. SEP
Q7
AGC
Q22
C1
A1
A3
C3
C4
C1
A1
A3
C3
C4
1
SW2
ANT SW M
MAIN TU V
MAIN TU L
MAIN TU R
SUB TU V
SUB TU L/R
MAIN TU V
MAIN TU L
MAIN TU R
SUB TU V
SUB TU L/R
RF MAIN-V
Y-IN 1
C-IN 1
V-IN 1
L-IN 1
R-IN 1
Y-IN 3
C-IN 3
SSW-IN 3
V-IN 3
L-IN 3
R-IN 3
DEC-V
DEC-L
DEC-R
RF MAIN-L
RF MAIN-R
S-V
SUB-L
SUB-R
IC2004
A/V SWITCH
IC2003
CN6
CN2001(1/2)
CN701
TU2
MAIN TUNER
TU1
SUB TUNER
MAIN Y/V OUT
MAIN C OUT
SUB Y IN
SUB C IN
SUB Y OUT
SUB C OUT
SUB V OUT
MAIN L OUT
SUB L OUT
MONITOR L OUT
MONITOR R OUT
SUB R OUT
MAIN R OUT
Y-IN 2
C-IN 2
SSW-IN 2
V-IN 2
L-IN 2
R-IN 2
SDA
SCL
DAT1
CLK1
DET OUT2
DET OUT
DET OUT
DE-EM OUT
AFT OUT
MUTE
RF AGC
SDA
SCL
SDA
SCL
STUH
AFT2
SDA
SCL
SDA
SCL
MODE
F MONO
MUTE
AFT OUT
ST LED
BIL LED
L OUT
R OUT
A26
A29
C29
A20
LINE MUTE
COMP V OUT
MN C OUT
SUB Y OUT
Q2007
Q2029
Q2005
J2001
Q2006
CN9302
CN2002
5
6
7
2
3
1
J2004
BUFFER
Q2012, 2026
VIDEO 1
IN
S VIDEO
VIDEO
AUDIO
L
R
J2005
VIDEO 3
IN
S VIDEO
VIDEO
AUDIO
AUDIO
VIDEO 5
IN
L
Y
PB
PR
R
L
R
VIDEO
AUDIO
L
R
TO
A
BOARD
SYSTEM
CONTROL
BLOCK
ANT
SW
MTU H
AFT1
ST-1
BIL-1
MOD-1
AGC
MONO-1
TU MUTE
STU H
AFT2
MTU H
AFT1
ST-1
BIL-1
AGC
MOD-1
MONO-1
TU MUTE
ANT SW M
SWITCH
Q712
6
8
5
10
3
1
V2-Y IN
V2-C IN
V2-SSW IN
V2-V IN
V2-L IN
V2-R IN
V2-Y IN
V2-C IN
V2-SSW IN
V2-V IN
V2-L IN
V2-R IN
CN2001
(2/2)
6
8
5
10
3
1
VIDEO
MONITOR
OUT
AUDIO
L
R
J2007
AUDIO OUT
(VAR/FIX)
L
R
J2006
AUDIO
VIDEO 6
IN
Y
PB
PR
R
L
A
(1/4)(TUNER)
U
(VIDEO/AUDIO IN/OUT)
H3
(LINE IN 2)
A
TO A BOARD
CN6
DAT1
CLK1
VIDEO 4
IN
1
32
7
4
25
49
51
56
58
MULTI-V IN 10
IC2007
COMB FILTER
L1
L2
L3
L5
L6
R6
R5
R3
R2
R1
12
L OUT 1
13
1
4
2
3
22
23
R OUT 1
L OUT
R OUT
21
15
FIL 1 OUT
19
SPACE OUT
17
CENTER OUT
FIL 2 OUT
12
11
LCH OUT
3
MODE1
2
MODE2
RCH OUT
20
14
18
16
28
27
27
S-SDA
13
5
S-SCL
L IN
R IN
LCH IN
RCH IN
FIL 1 IN
SPACE IN
CENTER IN
26 CE IN
FIL 2 IN
13 FIL 2 IN 2
LSW RSW
FILTER
FILTER
MONITOR V OUT
IC2304
ATT SWITCH
IC2305
TRUSURROUND PROCESSOR
IC2001
AUDIO SELECT
C20 SUB C OUT
A31 PS-V
C31 FSC
C18 S-ATT
A24 CONT-S IN
C23 CONT-S OUT
C10 AUDIO L
C25 DAT1
C27 CLK1
A11 AUDIO R
A22 S-MODE 1
C22 S-MODE 2
A6 VARI L
C6 VARI R
A28 A MUTE
A15 D1-Y
C16 D1-CB
A17 D1-CR
A17 D1-CR
C12 D2-Y
A13 D2-CB
A13 D2-CB
C14 D2-CR
J9301
VIDEO 2
IN
S VIDEO
VIDEO
AUDIO
L
R
J2002
J2003
CONTROL S
IN
OUT
DAT1
CLK1
10
6-1. BLOCK DIAGRAM (1)
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