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This file is provided FREE OF CHARGE from the electromaniacs.com community You are free to distribute this file to other persons who needs it , but without of charge Also on http://electromaniacs.com you can find thousands of service manuals , schematics free of charge
- 1 -
WA1RM-Y1108
SERVICE MANUAL WA1 CHASSISMODEL COMMANDER DEST
KLV-20SR3 RM-Y1108 AEP
MODEL COMMANDER DEST
RM-Y1108
FLAT PANEL COLOR TV
KLV-20SR3
- 25 -
4-1. BLOCK DIAGRAMS (1)
H1 ( )CONTROLBUTTONS
TO B BOARDCN0101
3
1CN9000
SWITCHS9000, S9001S9002, S9006
SWITCHS9003, S9004,
S9005
TO A BOARDCN2211 HEADPHONES
H-PLUGGEDCN9200
CN9300
9
1
3
J9201
J9300
H2( )FRONT INPUT,
HP OUTPUT
5
C FRONT
Y/CVBS-FRONT
3
1TO H3 BOARD
CN3702
V
L
R
43
21
7
HP-L-OUT
HP-R-OUT
FRONT IN-R
FRONT IN-L
CN3703
H3 ( )SCART 2
24 RF-SW
22 SW MONITOR
20 C INPUT
18 Y INPUT
Y/C SWITCH5
VIDEO SWITCH
13 SC2-OUT-R-H3
9
11
2
1
MODE 2
3
TO A BOARDCN3621
4
15
10
9
11
13
121
Y FRONT BUFFERQ3709
3C FRONT
5C SCART
14SW OUT
2Y SCART
BUFFERQ3708
BUFFERQ3701
BUFFERQ3702
BUFFERQ3707
Y/CVBS FRONT
15
BUFFERQ2700
BUFFERQ2701
SC2-IN-R-H3
SC2-OUT-L-H3
SC2-IN-L-H3
AV LINK
C FRONT
C IN
VIDEO OUT
VIDEO IN
RIGHT OUT
RIGHT IN
LEFT OUT
LEFT IN
MODE
AV LINK
CN3702
CN3700
TO H2 BOARDCN9300
IC3701ANALOG
MULTIPLEXER/DE-MULTIPLEXER
1
3
6
1 STBY 5V
TO A BOARDCN0041
CN9050
LED 2
OUT
IC9050IR RECEIVER (SIRCS)
H5 ( )IR RECEIVER& LED'S
VCC
2 SIRCS
5 LED 1
5V STANDBY
POWERSTANDBY
CN6003
AC IN
AC IN
G ( )POWER SUPPLY
1
3
1
4
L6000
2
3
IC6000MAIN BRIDGE RECTIFIER
1
2
VC1
23
16
T6000
D6010
TO B BOARDCN6301
CN6005BACKLIGHT
+16.5V
1
4
L6007
2
3
F60004A
BRIDGERECTIFIER
D6000
BUFFERQ6000
20
22
SWITCHQ6003
SWITCHQ6004
15OCP
VGL
VS
VGH
F/B PH6001PHOTO-
COUPLER
Q6001Q6002 PHOTO-
COUPLERPH6000
IC6100STANDBY CONTROLLER/DRIVER
5
3
7
8
2
4
8
4
9
1
5
2
T6100
IC6101REGULATOR
1 3 PHOTO-COUPLER
PH6100
BUFFER AMPQ6005, Q6010,
Q6009
4
2
T6001
4
2
D6013
D6011
SWITCHQ6006
BUFFERQ6007Q6008
CN6001
CN6101
2
11
2
TO A BOARDCN6204
TO A BOARDCN6201
POWER-AV
STBY 5V
IC6001REGULATOR
1 3
12
11
109
8
7
12
11
109
8
7
V SENSE
- 26 -
4-1. BLOCK DIAGRAMS (2) 4-2. CIRCUIT BOARD LOCATION
4-3. SCHEMATIC DIAGRAMS AND PRINTED WIRING BOARDSNote :• All capacitors are in µF unless otherwise noted.• pF : µµF 50WV or less are not indicated except for
electrolytic types.• Indication of resistance, which does not have one for
rating electrical power, is as follows.
Pitch : 5mmElectrical power rating : 1/4W
• Chip resistors are 1/10W• All resistors are in ohms.
k = 1000 ohms, M = 1000,000 ohms
• : nonflammable resistor.
• : fusible resistor.
• : internal component.
• : panel designation or adjustment for repair.
• All variable and adjustable resistors have characteristic curve B, unless otherwise noted.
• All voltages are in Volts.• Readings are taken with a 10Mohm digital mutimeter.• Readings are taken with a color bar input signal.• Voltage variations may be noted due to normal production
tolerences.
• : B + bus.
• : B - bus.
• : RF signal path.
• : earth - ground.
• : earth - chassis.
Reference Information
RESISTOR RN : METAL FILM
RC : SOLID
FPRD : NON FLAMMABLE CARBON
FUSE : NON FLAMMABLE FUSIBLE
RS : NON FLAMMABLE METAL OXIDE
RB : NON FLAMMABLE CEMENT
RW : NON FLAMMABLE 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
Les composants identifiés par une trame etpar une marque sont d'une importancecritique pour la sécurité. Ne les remplacerque par des pièces de numéro spécifié.specified.
Note :
The components identified by shadingand marked are critical for safety.Replace only with the part numbers specified in the parts list.
Note :
CVM Board
A Board
S1 Board
VM
C
H
D1A
JA2
N
D
A1D2
C
A
H1
B
H2
H5
G
A
H3
A ( )TUNER, AUDIO,CHROMA DECODER,
SCART 1
CN3621
VIDEO OUT
Y FRONTCN0043
TO B BOARDCN3000
3
SC2-IN-L
SC2-IN-R
BUFFERQ2600
BUFFERQ2601
15
17
13 SC2-OUT-R
SC2-OUT-L
BUFFERQ3600
SC1-OUT-R
SC1-IN-R
SC1-OUT-L
SC1-IN-L
SW MONITOR
Y/C SWITCH
VIDEO SWITCH
MODE 2
Y INPUT
C INPUT
AV LINK
RF SW
RIGHT OUT
RIGHT IN
LEFT OUT
LEFT IN
BLUE IN
MODE
GREEN IN
RED IN
BLANKING
VIDEO IN
C FRONT
LUMINANCE
CHROMINANCE
43
44 CVBS2/Y2-IN
C2-IN
CVBS OUT41CVBS3/Y2-IN
15
25
26
27
IC3801SUB VIDEO PROCESSOR
YS3
B1-IN
G1-IN
R1-IN
1
21
9
22
23
13
14
AMPLIFIERQ3808
AMPLIFIERQ3809
2 4
R SCART 1
AMPLIFIERQ3806
G SCART 1
B SCART 1
FB SCART 1
CVBS AV1
CVBS RF
Y OUT
H5
CB-OUT
CR-OUT
SCL
SDA
AMPLIFIERQ3807
IC3811SYNC ADDER
CS
CS
SCL
SDA
CVBS MONITOR
5
24
8MODE 1
Y SYNC 29
20CB
CR
SCL-5
SDA-5
21
12
14
28
25
9
1
MODE 2
AV LINK
LUMINANCE
CHROMINANCE
3
IC0002DIMMER LPF
DIMMER 10
LED 1 11
POWER AV
SIRCS
LED 1
LED 2
+5V STBY
SIRCS
BUFFERQ0047
4
3
2
5
6
1
TO H5 BOARDCN9050
CN0041
CN0042
SERVICE4
3
2
19
IC0030PORT EXPANDER
AGC DEFEATQ1100
2
4
10
14
12
11
BUFFERQ1200
6
IC1200TV ID
AMPLIFIERQ1201
4
COINCIDENCECIRCUIT
AMPLIFIERQ1300,Q1301
SWITCHQ0002
16
17
BUFFERQ0046
P0
P2
P3
P1
P6
SCL
SDA
P5
P4
1
CN3602
TU1100
VIDEO
AGC
SCL
SDA
FM/AM
QSS
BACKLIGHT
CN6201
PANEL DET
DIMMER
2
1
3
CN620411
2
IC6202REGULATOR
1
3
SWITCH &BUFFER
Q6200, Q6203
POWER AV
+14.3V
+8V
2
IC0001PORT EXPANDER
4
10SCL
SDA
BUFFERQ0001
11
12
Y/C SWITCH
VIDEO SWITCH14
16
FB-SCART 1
P0
P3
P4
SCL
SDA
48
50
54
IN-3-R
IN-3-L
IN-4-R72XTAL OUT
71
2
3
21
IC2000SOUND PROCESSOR
XTAL IN
SCL
SDA
POWER ONRESET
67
27
28
24
11
4
21
23
24
8
6
25
2
53
51
47
34
33
37
36
SC2-IN-L
SC1-OUT-R
SC1-OUT-L
SC2-OUT-R
SC2-OUT-L
SC2-IN-R
SC1-IN-R
FRONT-IN-L
SC1-IN-L
FRONT-IN-R
60FM/AM
BUFFER AMPQ2100, Q2101
QSS
25
3
IC2300HEADPHONE AMP
6
7
1
AMPLIFIERQ2000
77
1
HP PLUGGED
HP-R-OUT
HP-L-OUT
FRONT-IN-L
3
5
7
9
CN2211
FRONT-IN-R
IN-2-L
IN-2-R
SPEAKER OUT R
SPEAKER OUT L
IN-4-L
OUT-2-L
OUT-2-R
OUT-1-L
OUT-1-R
MONO IN(AM)
IF IN 1
HP-R
HP-L
DIGITAL CONTROL OUT 1
BUFFERQ2001
BUFFERQ2002
4
2
8
11
12
7
BUFFERQ2301
3
5
7
1
AMPLIFIERQ2402
SWITCHQ2203Q2200
Q2202Q2204
3
1
CN2500
L
R
J2400
TO SPEAKERS
L
R
IC2400AUDIO LINE BUFFER
IC2500AUDIO POWER AMP
OUT 2
OUT 1
SP R OUT
SP L OUTIN2+
IN1+
MUTE TC
MUTE
R.IN
L.IN
TO H2 BOARDCN9200
X2000
MUTE CIRCUITQ2400, Q2401Q2405, Q2406
TO H3 BOARDCN3703
SCARTB SCART 1
MODE 1
G SCART 1
R SCART 1
FB SCART 1
CVBS AV1
TO G BOARDCN6005
TO G BOARDCN6001
P1
P2
BUFFERQ2300
AUDIO OUT
A B C D E F G H I J K L M N
1
2
3
4
5
6
7
8
9
10
11
O
- 27 -
~ A Board Schematic Diagram [ Tuner, Audio, Chroma Decoder, Scart 1 ] Page 1/3 ~
CN9200
AUDIO LINEBUFFER
MSD601-RST1
HEADPHONEAMPLIFIER
470
4.7K
4.7K
0.002250V
100
100
0.47
0.47
RB053L
C20360.0022
C20370.0022
R2031100K
+5VSTBY
+5VSTBY
+5VSTBY
Q2205MSD601-RST1
R220910K
R2210100
R24300
R24310
3.3k
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
A 1/3 TUNER, AUDIO, CHROMA DECODER, SCART 1
TP1
100ns/div
A(1/3) Board Waveform
3.0Vp-p (H)
TP1
TO SPEAKERS
A B C D E F G H I J K L M N
1
2
3
4
5
6
7
8
9
10
11
O
- 28 -
~ A Board Schematic Diagram [ Tuner, Audio, Chroma Decoder, Scart 1 ] Page 2/3 ~
CN6005
CN6001
CN6300
+
REGULATOR
REGULATOR
220K
RD5.6SB-T1
R620610k
R00400
XX
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
A 2/3
A B C D E F G H I J K L M N
1
2
3
4
5
6
7
8
9
10
11
O
- 29 -
~ A Board Schematic Diagram [ Tuner, Audio, Chroma Decoder, Scart 1 ] Page 3/3 ~
xx
CN3703
CN9050
SERVICE
CN3000
SYNC ADDER
XX
CONTROL AMP
C2604470PF
C2605470PF
R3626150
SW_MONITORL381110UH
R38221K
C38010.01
C380247
16V
Q3801MSB709-RT1
220
220
150
1.5k
47
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
A 3/3
(5ms/div) (20us/div) (20us/div) (10us/div) (10us/div)
A(3/3) Board Waveforms
1Vp-p (H) 700mVp-p (H)
TP1 TP2 TP3
650mVp-p (H) 650mVp-p (H) 200mVp-p (H)
TP4 TP5
TP5
TP1
TP4
TP3TP2
A B C D E F G H I J K L M N
1
2
3
4
5
6
7
8
9
10
11
O
- 32 -
~ G Board Schematic Diagram [ Power Supply ] ~
25V0.01
C6015
XXR6010
XXC601750V
4.7C6011
50V1000pC6010
1/10W110
R6009 25V
C60180.01
50V0.1
C6019
UF4005PKG23D6005
1/4WFPRD
10R6024
1/10W10k
R6026
1/10W10k
R6025
1/4WFPRD
R602310
1/2WRF
0.1R6006
XXC6025
1/10W470
R6029
CHIP0
R6031
1/10W1k
R6037
CHIP0
R6039
CHIP0
R6041
3
1
2
TL1431CZ-APIC6001
1
CN6000XX
GND
275V0.47
C6004
PT
1
1/10W6.2k
R6042
1/10W1.1k
R6043
1/10W1k
R6027
1/10W10k
R6005
25V0.01
C6009
1/10W22k
R6033
1/10W22k
R6032
50V1
C6024
D6007MM3Z15VT1
CHIP0
R6028
1/10W22k
R6004MM3Z15VT1
D6006
100uHL6100
400VPT
0.22C6100
XXC6034
D6000D4SB60L-F
250V4700pC6002
F
1/10W22k
R6022
1/10W22k
R6020
MSD601-RST1Q6002
MMDL914T1D6002
1/10W100kR6017
2421
2223
12
34
56
78
910
1920
1413
1211
1817
1516
MCZ3001UBIC6000
Vsense
F/B
Ct
NC
Rt
GND
GND
GND
GND
GND
GND
Timer
NC
SS
Vc1
OCP Vc2
PGND
NC
VGL
VB
VS
VGH
VD
MSD601-RST1Q6000
MSD601-RST1Q6005
100VPP
1000pC6014
1/10W1k
R6044
1/10W10k
R6019
1/10W10k
R6018
PC123Y22PH6000
PC123Y22PH6001
250V1000p
B
C6005C6001
B
1000p250V
25V1500
C6029
275VPT
0.22C6003
1/2W1M
R6003
S
2SK2842-LB142Q6003
S
2SK2842-LB142Q6004
D6003MM3Z15VT1
D6004MM3Z15VT1
MM3Z15VT1D6001
25V47
C6012
50V10C6016
MSB709-RT1Q6001
XXR6016
1/10W510k
R6013
1/10W510k
R6015
R6012510k
1/10W
1/10W510kR6014
1/10W13k
R6011
1.2kR6035
1/10WXX
R6036
50V10
C6103
XXC6108
16V0.1
C6111
10V1000C6110
PC123Y22PH6100
1/10W33k
R6112
1kV2200p
R
C6106
CHIP0
R6108
3
1
2
TL1431CZ-APIC6101
50V1000pC6104 CHIP
0R6111
1/4WFPRD
10R6106
R6107
1WRS
100k
CHIP0
R6105
1kR6110
630V1000pC6109
1/10W470
R6109UD
ZS
TE
-4.7
B
D61
00
10ERB20-TB3D6102
M1FL20U-4063D6104
ERA22-08D6103
16V0.1
C6107
8 7 6 5
4321
STR-A6169IC6100
MMDL914T1D6101
50V47
C6105
50V4.7
C6102
1kV100p
SL
C6021
1kV100p
SL
C6022
3.3uHL6002
3.3uHL6003
S
SI2301DS-T1Q6006
M1FM3D6014
22kR6045
100kR6047
MSD601-RT1Q6008
1/10W47k
R6052
FCH10A10 D6010
FCH10A10 D6012
0.1C6033
C6035XX
CHIP10k
R6034
MSD601-RT1Q6009
Q6010MSB709-RT1
1/10W1k
R6038
10kR6057
1C6050
UDZSTE-1718BD6015
1/10W4.7k
R6046
10uHL6004
10uHL6006
10uHL6005
MSD601-RT1Q6007 10k
R604947k
R605010k
R6051
XXR6048
1/10W10k
R6053
25V1500
C6031
25V470
C6028 25V470
C6030
XXC6013
XXC6038
XXC6039
XXC6040
XXC6037
FB6100XX5
JW6100
1/10W10k
R6113
1/10WRN-CP
10kR6114
F60004A
250V
VR6000
250V4700pC6000
D6008XX
D6009XX
XXC6026
XXL6001
FH6000
1
2
3
4
L6000
1
2
3
4
L6007
F6001XX
5JW6001
JW6003 XX
D10SC6M-4012D6011
D10SC6M-4012D6013
450V220
C6007
C60230.022800VPP
7.5JW6000
JW6002 XX
1
4
6
9
10
11
8
2
T6100
1
2
3
WHT3P
CN6101
GND
STBY5V
GND
1
2
3
4
5
6
7
8
9
10
11
CN600111P
14.3V_B
14.3V_B
GND
GND
14.3V_A
14.3V_A
GND
GND
+33V
GND
POWER_AV
1
2
3
4
5
6
7
8
9
10
WHT10P
CN6002
+16.5V
+16.5V
+16.5V
+16.5V
GND
GND
GND
PANEL_DET
BACKLIGHT
DIMMER
1
2
3
4
4P
PANEL_DET
BACKLIGHT
DIMMER
GND
1/4WFPRD
4.7R6100
2kV22p
C6101
1.6APS6001
10WRB
R60543.3
1
3
3PCN6003
WHT
1
4
10
11
6
9
12
8
2
7
T6000
1
4
10
11
6
9
12
8
2
7
T6001
R6030XX
50V4700pC6032
50V0.1
C6027
2.2kR6040
1/10W
R6055
1/4WRN
2.2M
1/4WRN
2.2MR6056
R6101101W
1/10WRN-CP
39kR6007
1/10WRN-CP
39kR6008
1/10W160
R6021
250V4700p
F
C6006
25V47
C6020
1
2
CN6004XX
PFC1
PFC2
CONNECTED TO SECONDARY BY METAL SUPPORT
TO B BOARD
TO LCD
TO A BOARD
G..-KLV-20SR3
8.2MR6000
1WRN
PT275V0.47
C6004
AC IN
AC IN
CN0260
CN6204
CN6301
MAIN RECTIFIERDRIVER
CN6005
R60620
50V
TO A BOARDCN6201
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
G POWER SUPPLY
A B C D E F G H I J K L M N
1
2
3
4
5
6
7
8
9
10
11
O
- 34 -
~ H1 Board Schematic Diagram [ Control Buttons ] ~
~ H2 Board Schematic Diagram [ Front Input, HP Output ] ~
1 2 3 4
4PCN9000
25V0.1
C9001
CHIP0
R9008
1/10W4.7k
R9000
1/10W10k
R9001
1/10W22k
R9002
XXR9003
CHIP0
R9004
1/10W4.7k
R9005
1/10W10k
R9006
CHIP0
R9007
25V0.1
C9000
XXFB9000
S9000 S9001S9002
S9003 S9004 S9005S9006
UDZS-5.6BD9000
UDZS-5.6BD9001
H1.-KLV-20SR3
KE
Y 1
GN
D
GN
D
KE
Y 2
TO B BOARDCN0101
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
H1 CONTROL BUTTONS
TO A BOARDCN2211
TO H3 BOARDCN3702
UDZS-9.1B
UDZS-9.1B
DTZ-TT11-6.8B
DTZ-TT11-6.8B
L92040
L92050
L92060
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
H2FRONT INPUT, HP OUTPUT
A B C D E F G H I J K L M N
1
2
3
4
5
6
7
8
9
10
11
O
- 36 -
~ H5 Board Schematic Diagram [ IR Receiver & LED’s ] ~
~ H3 Board Schematic Diagram [ Scart 2 ] ~
+
+
CN9300
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
ANALOGUEMULTIPLEXER/
DEMULTIPLEXER
TO A BOARDCN3621
1016V
47
47
150
33K
33K
R3704 0
R3705 0
R3706 0
R3707 0
R3708 0
R3710 0
R3711 0
R3713 0
R3714 0
R3715 0
R3716 0
R3717150
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
H3 SCART 2
1
2
3
4
5
6
6PCN9050
+5VSTBY
SIRCS
GND
GND
LED1
LED2
UDZS-5.6BD9053
1/10W47
R9051
CHIP0
R9050
VC
C
OU
T
GN
D
RS-20IC9050
UDZS-5.6BD9050
SLR-325MCT31D9051
SLR-325VCT31D9052
50V2200pC9052
10V22
C9051
25V0.1
C9053
+5VSTBY
+5VSTBY
6.3V47
C9050
ST-BYPOWER
H5.-KLV-20SR3
TO A BOARDCN0041
COMPONENTS MARKED AS XX ARE NOT FITTED ON THIS MODEL
H5 IR RECEIVER & LED'S