5-1. BLOCK DIAGRAM
SECTION 5
DIAGRAMS
KV-TG21L70/TG21M80/TG21P52
RM-952
KV-TG21L70/TG21M80/TG21P52
RM-952
IC2201
IF DEMODULATOR
Q2302, 2303
Q2301
BUFFER
SWITCH
18.432MHz
6
VIDEO OUT
27
1ST SIF
MULTISYSTEM
STEREO DECODER
2
ANA IN2+
X1201
XTAL
5
IN
XTAL
6
OUT
1ST SIF IN
IC2401
12C SDA
12C CL
DACM
DACM
VIF
18
VIF
19
15
12
13
26
R
27
L
SF2101 IF AMP
SF2102
IC2601
+5V REG
+5V +9V
A3 (STEREO DECODER) (not used for this model)
IC5801
TEXT DECODER
50 SDA
R OUT 34
SCL49
G
33
Q801, 815
BUFFER
Q5801
V-SYNC37
36 H-SYNC
INT CVBS23
X TAL IN X TAL OUT
X801
12MHz
B
VDS
RESET 43
4241
32
35
Q5801
BUFFER
Q5803
RESET
IC5802
+5V REG
+5V +13V
V2 (TELE TEXT) (not used for this model)
Q1201, 1203
SCL
SDA
E OUT
L OUT
M-SW
RED
GREEN
BLUE
BLK
SDA
SCL
CVBS
POWER SUPPLY, DEFLECTION, AUDIO
A
AND VIDEO PROCESSING,
AUDIO/VIDEO INPUT/OUTPUT,
MICROCOMPUTER
Q1201, 1202
VIDEO
VIDEO
L (MONO)
IN 1
(FRONT)
R
VIDEO
VIDEO
L (MONO)
IN 1
(REAR)
R
CN301
6
2
CN2101
IF
2
BUFFER
L
IF
TU100
AGC TU U/V L/H
VIDEO
IC1210
6
5
IC1210
3
2
IF
(1/2)
(2/2)
7
1
Q101
BUFFER
Q102
IF BUFFER
Q103, 104
SWF100
IC001 SYSTEM CONTROLLER
59
L/H
MUTE
11
60
Q902
LED
DRIVE
Q903
LED
DRIVE
U/V
51
R
50
G
38
VC
49
B
55
IICLK1
53
IIDAT1
4140KEY1
KEY2
47
HSYNC
25
5
4
X101
HSYNC
+5V
36
RESET
26
SIRCS
35
EXTAL
34
XTAL
D/K
3
TIMER
I
M
RESP/
6
B/G
NICAM
54
IIDAT0
42
BRT ABL
IICLK0
17
VPULSE
56
48
VSYNC
27
HDSW
12
BLK
Q105
VC AMP
CH +
S006
VOL +
S001
TV/VIDEO
S004 S002
Q106
VC FILTER Q100
CH -
S003
IC002 +5V REG
+9V
VOL S005
1
SEL
+5V
D901
TIMER
NICAM
ST/BY
BUFFER
OUT
IN
RESET
CN2102
3
4
1
6
8
CN302
R
1
M-SW
6
SDA
3
SCL
4
CN5801
1
2
3
4
6
7
VP
2
HP
3
6
CN5803
CN001
R
1
G
2
B
3
BLK
4
SDA
6
SCL
7
CN002
VP
2
HP
3
VIDEO
6
FILTER
2
3
4
1
Q405
BUFFER
Q404
BUFFER
8
6
7
L IN
L OUT
27
R IN
9
IC201
TONE CONT
3
TVL
R OUT
26
TVR
SDA SCL
22 21
2
Q315
G BUFFER
IC003 MEMORY
6
CLK
5
DAT
IC004 IR DET
1 2
IC401
TV SYSTEM SELECTOR
J400
VIDEO
MONITOR
L (MONO)
Q403
BUFFER
L IN
11
IC203
AUDIO OUT
R IN
12
+5V
L OUT
MUTE
R OUT
5
8
3
X358
3.58MHz
X443
4.43MHz
Q402 Q401
R MUTE
IC301
Y/C JUNGLE
17 CVBS IN
R OUT
G OUT
55 DEEMP
48
IF IN
B OUT
49
IF IN
IK
54
AGC
IF OUT
41
SSCP/FBT
CVBS IN INT613
R-Y OUT
B-Y OUT
CVBS OUT
34
3.58
35
4.43/3.58
HOR OUT
EAST/WEST
VERT POS
VERT NEG
23
R IN
24
G IN
25
B IN
26
BLK
B-Y
R-Y
SCL7
ABL
8 SDA
EHTX-RAY
21
20
19
18
1SIF IN
30
29
38
40
45
46
47
31
32
22
50
L MUTE
BUFFER
Q319
R
G
B
IK
OUT
R
J200
HEADPHONE
CN200
SP L
SP R
CN300 CN703
3
2
1
5
D1505
Q561
X RAY
+9V
Q304
CT365,CF365
SYNC
FILTER
Q300
CT360,CF360
SYNC
FILTER
Q303
CT345,CF345
SYNC
FILTER
Q305
CT355,CF355
SYNC
FILTER
D561D591
+135V
Q306, 308
DK SW
Q307, 310
I SW
Q311, 313
M SW
Q309, 312
B/G SW
Q301, 303
SYNC
FILTER
CV (RGB AMPLIFIER)
R
3
G
2
B
1
IK
5
IC604
+9V
REG
+18V
+11V
+135V
–13V
+15V
T601
17
16
15
14
13
+B
11
T503 FBT
2
4
1
7
9
10
Q712
R DRIVE
Q711
G DRIVE
Q710
B DRIVE
2
3
4
5
8
7
5
6
11
13
Q706
R AMP
D601
Q705
G AMP
Q704
B AMP
T600
Q709
IK LIMIT
Q708
IK LIMIT
Q707
IK LIMIT
+9V
S600
F601
IC601 REG SW
1
DRIVE LATCH
2
OSC
10
983
7
J701
RV701
G2
V901
6
H2
OVP
CN701
1000V
1
200V
2
H1
4
CN601
1
2
9
8
6
PICTURE TUBE
CN1602
1
2
F (Cispr)
(not used for this model)
F1601
T1602 T1601
AC IN
AC IN
PH600 PHOTO COUPLER
T801
L802
D804, D851
DUMPER
S801
H SENT
34
21
200V
1000V
Q801
H OUT
CN851
2
1
H1
4
DY1
H+
H+
H–
H–
V–
H+
1
H–
2
3
4
V+
V–
5
HDY
VDY
DY ASS'Y
V+
6
4
IC602 ERROR AMP
12
Q004
H PROT
Q800
IC850, IC851
PIN CONT
3 1
IC551
V OUT
1
5
7
H DRIVE
Q802
PIN OUT
FV
HV
– 28 –– 27 –
(1) Schematic Diagram of A Board
123456789101112
KV-TG21L70/TG21M80/TG21P52
RM-952
KV-TG21L70/TG21M80/TG21P52
RM-952
13 14
A
B
C
D
E
F
G
H
I
FOR JIG
CN001
#
TO V2 BOARD
CN5801
CN002
#
TO V2 BOARD
CN5803
CN101
#
E1
E2
CN003
4P
S:MINI
B DAT
VIDEO
GND
GND
GN
D
GND
B INT
B CLK
R
G
B
BLK
GND
SDA
SCL
GND
VP
HP
GND
GND
7.5V
AGC
TU/NC
C100
0.001
B:CHIP
FB100
1.1UH
1
C102
C103
0.1 16V
0.1 16V
F:CHIP
F:CHIP
C101
10
1
R100
1K
:CHIP
1
R059
220
R060
:CHIP
220
1
:CHIP
2
3
4
R061
220 :CHIP
1
2
3
4
5
6
7
1
2
3
4
5
R003
R001
6
2.7K
8.2K
7
:CHI[P
:CHIP
S001
S003
VOL+
CH-
CH- CH+
VOL+
R004
R002
2.7K :CHIP
8.2K :CHIP
S002
S004
SEL
TV/VIDEO
TV/VIDEO
SEL
TU100
BT-AG402
/ENA
L/H/SDA
+B/NC
U/V/SCL
Q100
MSD601-RT1
BUFFER
R
G
B
BLK
SDA
SCL
7.5V
R006
560
:CHIP
S006
CH+
S005
VOL-
VOL+
/NC
PWM
AFT/5V
C104
0.1 16V
C105
0.1 16V
F:CHIP
R128
100
:CHIP
C106
0.0047
B:CHIP
C118
#
R/G/B
R005
560
:CHIP
R101
*
C
30V
33V/
IF1
IF2/N
C110
L102
*
0.22UH
F:CHIP
33V
IC101
C002
470P
5V
B:CHIP
VIDEO
5V
CT131
*
#
C130
#
C108
1000 16V
C107
L100
100
10UH
16V
:FLR50
C119
#
C120
#
R007
4.7K
:CHIP
R102
*
C111
0.01
25V
B:CHIP
IO
G
D101
#
D102
#
C001
470P
B:CHIP
K1
R008
4.7K
:CHIP
R118
C113
*
R106
4.7K
:CHIP
Q101
*
R108
R104
1.8K :CHIP
R129
*
22
C115
:CHIP
0.0047
B:CHIP
CTI39
39.5
MHz
R103 33
R107
:CHIP
3.9K
C112 *
:CHIP
R105 *
C109
0.0047 B:CHIP
R123
R117
22K
22K
:CHIP
:CHIP
R119
C121
100P
22K
:CHIP
4.7k:CHIP
C124
C122
0.068 :PT
10P
R120
:CHIP
1.8K
Q106
:CHIP
R116
MSD601-RT1
#
VC AMP
K2
VIDEO
R130
L101
1.0K
1.2UH
:CHIP
:ALI
Q102
2SC3779
AMPLIFIER
R109
56
:CHIP
D103
UPC574J
R121
22K
:CHIP
C125
0.1
R062 *
R063 1 *
Q005
MSD601-RT1
R111
R 112 *
*
C116
0.0047
R113
*
L103
Q103
0.33UH
*
C117
56P :CHIP
C129
R124
0.01
22K
25V
:CHIP
B:CHIP
C127
100P
CH:CHIP
C126 0.068
Q105
MSD601-RT1
VC AMP
R122
330K
:CHIP
R/B/G
R074
1.0K
CN301
#
TO A3 BOARD
CN2101
SWF100
*
R114 *
D100
*
1 2 3 4 5
JR100
*
Q104
*
R125
22K
C128
3W
22
R133 4.7
:RS
C131
2200P
:CHIP
D104
DA204K
-
PROTECT
R073
22K
C061
2200P
CH:CHIP
IN
GND
IF-OUT
1
2
GND
SYSTEM
R126
#
IF
R132 #
R131 #
R127
VIDEO
OUT
IF
#
GND
3
IF
9V
4
OUT
AFT
5
AUDIO(L)
L
A
C
D
S
S
GND
L-IN
R-IN
1
7
6
TP300 #
R388
#
R387 #
9V
IF
AUDIO(L)
5V
R/B/G
ND
SCL
G
SDA
2
3
4
R386 #
R385 #
AUDIO(R)
CN302
#
TO A3 BOARD
GND
RESET Q
M-SW
CN2102
7
5
6
R932
#
L921
#
R384 #
D963
#
CORING
D964 #
CORING
VIDEO
R928
#
R926 #
L922
#
Q922
#
EQUALIZER
R927 #
R977
#
C971 #
R978
#
R970 #
C980 #
R981 #
AUDIO(R)
11V
11V
11V
R921 #
C922 #
R925 #
R980
Q956
#
#
Q964
VM MUTE
#
AMP
C974 #
IF
IF
IF
IF
IF
R922
C972
#
#
L923 #
R924 #
Q923
R923
#
#
AMP
R954
D966
#
#
C951
#
D965 #
9V
AUDIO(L)
IF
Q301
MSB709-RT1
BUFFER
R300
220:CHIP
Q302
*
BUFFER
IF
9V
D304 HZS361-TE
VIDEO
D302 #
IF
L962
#
R962
#
R936
#
R986 #
R983 #
C976 #
R987 #
Q300
*
BUFFER
CT360
R302
*
220
:CHIP
C300
*
R303
*
C302
R305
*
*
D303 #
CN300
6P
TO CV BOARD
CN703
Q962 # BUFFER
D961
R984
#
#
Q961
#
AMP
R966
C962
#
#
R988
R929 #
#
Q966
#
AMP
R989
C977 #
#
AUDIO(R)
R301 *
L302
*
Q303
MSD601-RT
R304 *
BUFFER
R306
390
R307
C301
:CHIP
220 :CHIP
27P
L303
L300
L301
*
*
*
CT345
C303
#
*
D326 *
Q316
#
SWITCH
Q314
*
SWITCH
T
U
D
O
N
B OUT
G OUT
R
G
1
2
4
3
R981 #
C304
B
150P
CH:CHIP
G
R968 #
R
Q924 #
R931 #
11V
B
R308
*
G
R
R309
*
D319 1SS355TE-17
D320 1SS355TE-17
D
N
V
K
G
VM OUT
I
9
8
5
7
6
L200 #
R223
#
R226
#
R224
#
C233
#
9V
AUDIO(L)
Q304
*
AMPLIFIER
R310
390
:CHIP
Q305
MSB709-RT1
AMPLIFIER
R311
CT355
2.2K
*
:CHIP
C305
C306
100
0.0047
16V
B:CHIP
D321 1SS355TE-17
R/G/B
R
G
B
R333
3.3K:CHIP
L310
*
Q202 #
SPACE SOUND
R225
R230 #
#
R227
*
R244
C234 *
#
R229 #
R245
#
R228 #
R231 #
C236 #
JR210
C235
#
#
D300
JW(5MM)
AUDIO(R)
L306
*
L304
R313
*
*
R317
# L307
CT365
*
C309
#
R314
L305
150
*
:CHIP
R315 *
Q306 *BUFFER
R312 220 :CHIP
R
G
B
BLK
R
B
G
R330
0
:CHIP
R332 0:CHIP
D305
R234 #
C237 #
R201 *
#
C238
JR209
#
R203
*
#
R205
*
R202
*
C201
*
R204 *
C244
#
C243
#
C200 *
C202
*
Q203 #
SPACE SOUND
R235
AUDIO(L)
Q308
*
SWITCH
C308
*
Q310 *SWITCH
L308
#
*
R323
R319
470
#
:CHIP
R321 #
Q309
MSD601-RT1
BUFFER
D306
RD2.2ES.TIB2
DETECTION
D307
1SS355TE-17
B
G
R
R331 0
:CHIP
C324 #
C323 #
C325 #
R320
22K
:CHIP
R322
#
C326 #
R318
*
Q307 * BUFFER
R316 180 :CHIP
1SS355TE-17
J200
JACK
D200
DA204K
C203 2.3
C241 *
R207 *
C204 *
R200 *
NC
1 2 3 4 5 6 7 8 9 10 11 12
R206
*
C205
2.2
R208
*
C242
*
L309
11V
#
C310
390P
C::CHIP
Q312
*
JR300
SWITCH
0:CHIP
C310 *
Q311
R326
#
#
BUFFER
R325
*
JR301
*
R324*
C307
*
R338
*
R342
0
C328
:CHIP
0.22
C331 #
16V
F:CHIP
.B
IC203
#
AUDIO AMP
OL
V
N
N
I
I
GND
L
NC/
R
RF
C206
100
R209 *
Q205
C239
UN2211
#
MUTE
AUDIO(R)
D202
1SS355TE-17
Q313 *
C311
*
CF365
*
CF360
#
CF355
*
C370
CF345
#
#
D301
*
Q321
#
UT
UT
D
O
O
N
G
C
Y
1 2 4 53
R341 #
C333
#
C334
#
C336
#
TO SPEAKER
L
SP L
.B
1
C207 1000 25V
Y
B
L
R
C213 0.01
E
ND-
T
T
C
A
U
25V B:CHIP
U
T
C
OUT
S
O
GND
M
V
R240 15K :CHIP
R238 #
R212 1.0K
C212 1000 25V
R243
10K
T
R242 10K
AUDIO(L)
D318
1SS355TE-17
Q320
UN2211
D327
N
I
O
E
CM301
D
I
V
#
V
9
R343
#
C338 #
R346 #
R344
#
R347 #
L311 #
R
CN200
4P
GND
GND
SP R
2
4
3
C209
R210
1000
220
25V
C211 10
C208 *
Q400
MSB709RT1
AC MUTE
R241 15K :CHIP
C
C
V
O
R214
I
D
D
0:CHIP
N
U
Q204
2SA1162-G
G
A
1
C427
#
2
3
IC403
#
AUDIO SW
C218 *
C215
*
1SS355TE-17
C214
*
R215
IC201
*
AUDIO PROCESSOR
*
R217 *
9V
R351 #
Q317
#
R349
#
JW020 #
R211
220
D201 #
C210 *
L400 1UH
C435
R434
220
1K :CHIP
16V
R449
#
D401 1SS355TE-17
R401
1K
C400
D410
:CHIP
220
#
16V
D400
AUDIO(R)
1SS355TE-TX
D203 1SS355TE-17
C428 #
6
SW
TVL
11V
GND
5
OUT
C429 #
L
4
VCC
R218
AUDIO(R)
*
R216
*
C225 *
C224 *
C220 *
C222 *
C216 *
1011121314
MO
B
I
B
B
M
I
M
N
N
I
O
I
N
R
L
N
N
UT
(
(
R
R
R
)
(
)
M IN(L)
T
R
T
RE
RE
S
S
)
G
D
C
N
(
(
L
A
R
L
D
)
)
19 20 212223 24 252627 28
R220 *
C221*
R219 *
C219 *
C223 *
R355
R353
JR303
3.3K
820K
#
CH:CHIP
R354
820K
CH:CHIP
R393
*
B
O
UT
(
L
)
C217
I
N
(
L
M OUT(L)
)
15
O
UT
(
R
)
16 17 18
*
(PAGE 1/2)
Q407
MSD601-RT1
MIXER
R427
1.2K
R429
10K
:CHIP
Q406
C412
MSD601-RT1
R430
*
MIXER
3.9K
:CHIP
R428
470
:CHIP
Q405
MSB709-RT1(TX) BUFFER
R419
R415
*
10K
R414
:CHIP
C406
1K
1 10V
:CHIP
F:CHIP
R410
AUDIO(L)
100
:CHIP
Q404
R416 10K
MSB709-RT1
BUFFER
C231 *
9V
C240 *
C230 *
.
123456789
MO
L
T
T
L
R
2
V
1
V
1
R
L
N
L
L
L
R
C
G
O
O
RE
N
9
UT
R
UT
C227 *
AUDIO R
R222
2.2K
2
J
AUDIO L
C228 *
C229 *
JR203 #
JR202 #
JR207
*
Q201
MSD601-RT1
BUFFER
Q520
#
BUFFER
V
D
F
C226 *
R221
100
CH:CHIP
R356
*
Q318
MSD601-RT1
POWER SUPPLY,DEFLECTION,
AUDIO & VIDEO PROCESSING,
(
AV INPUT/OUTPUT & MICROCOMPUTER
R446
C411 *
*
C426 *
IC1402
UPC4558G2
BUFFER
5 6 7 8
R445
47K
:CHIP
C425
100P
:CHIP
9V
R4201K:CHIP
R421
1K
:CHIP
R418
D404
100
UDZSTE-179.1B
:CHIP
PROTECT
R404
*
R403
*
*
R402 *
C403 *
R405
Q403
*
MSB709-RT1(TX)
11V
BUFFER
JR204
#
C232 *
R447
C419
*
*
D408 *
11V
R448
C420
#
*
D409 #
R521 #
R522 #
D520
#
STOPPER
R520
#
R438
1K
:CHIP
R436
1234
75
C414
:CHIP
0.1
16V
:CHIP
R426
1K
:CHIP
D407
UDZSTE-179.1B
PROTECT
R423
39K
:CHIP
D406
UDZSTE-179.1B
PROTECT
R412
1.0K
D403
C405 1
UDZSTE-179.1B
PROTECT
R408 *
C404 *
D402 *
Q402
UN2216
MUTE SW
1
6
SW
TVL
2
5
OUT
GN D
3
4
VCC
L
1
6
SW
TV R
2
5
GN D
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3
4
VCC
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R525 #
D521
5 6 7 8
#
IC520
STOPPER
#
ROTATION AMP
R523
#
R524 #
R526
C520 10
22:CHIP
C418
R437
100
#
16V
R433
56K
:CHIP
R431 *
C410
100 16V
C409 #
C408 *
R422 *
D405 *
R417 68
:CHIP
C407
220
16V
R406
*
C421 *
C430 *
C422 *
C423 #
C424 #
R527
#
R432
1M
:CHIP
R435 *
R425
75
R424
56K
R440
1M
R413
470K
:CHIP
R409
470K
:CHIP
R407
*
JR400
*
Q401
UN2216
MUTE
IC400
#
AUDIO SW
IC401
#
AUDIO SW
1234
R528
#
VIDEO IN 2
J401
*
AUDIO IN 2 L
AUDIO IN 2 R
VIDEO IN 1
AUDIO IN 1 L
AUDIO IN 1
J400 *
R443
*
VIDEO
R411 1K :CHIP
AUDIO L
(MONO)
AUDIO R
C521
#
CN520
#
3
NS-
2
NC
1
NS+
TO NS COIL
(MONO)
MON
(
B-SSS11070-VT-A..PAGE(1/2)
(M
OU
ONO)
R
ITOR
T
J
JOINT A2
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JOINT A1
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JOINT A41
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JOINT A46
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JOINT A48
TO PAGE 2/2
JOINT A49
JOINT A50
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JOINT A54
JOINT A53
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JOINT A73
JOINT A74
– 32 –– 31 –