– 26 –
– 25 –
KV-TG21M61/TG21M90
RM-952
KV-TG21M61/TG21M90
RM-952
SECTION 5
DIAGRAMS
5-1. BLOCK DIAGRAM
6
1
4
3
CN302
M-SW
R
SCL
SDA
2
5
6
12
13
26
27
ANA IN2+
XTAL
XTAL
IN
OUT
SCL
SDA
DACM
DACM
R
L
X1201
18.432MHz
4
3
1
6
IC2601
+5V REG
+5V
+9V
28
27
10
11
15
DET
1ST SIF
VIF
VIF
1ST SIF IN
IF DEMODULATOR
IC2201
SF2102
SF2101
IF AMP
Q1201, 1203
2
CN2101
CN2102
Q2301
BUFFER
Q2302, 2303
SWITCH
IF
S
SDA
M-SW
R
L
A3 (STEREO DECODER)
59
60
38
36
35
34
3
6
56
54
12
L/H
U/V
VC
RESET
EXTAL
XTAL
TIMER
RESP/
IICLK0
IIDAT0
BLK
NICAM
VC AMP
Q105
Q106
VC FILTER
Q100
BUFFER
AGC
TU
U/V
L/H
51
50
49
42
47
25
55
53
26
17
48
27
R
G
B
BRT ABL
HSYNC
HSYNC
IICLK1
IIDAT1
SIRCS
VPULSE
VSYNC
HDSW
IC001 SYSTEM CONTROLLER
Q315
G BUFFER
5
6
IC003 MEMORY
1
2
IC004 IR DET
+5V
2
3
4
1
IC401
D/K
I
M
B/G
5
4
IC002 +5V REG
1
+9V
+5V
X101
Q902
LED
DRIVE
DRIVE
LED
Q903
+5V
TIMER
D901
NICAM
ST/BY
Q103, 104
FILTER
SWF100
Q102
IF BUFFER
IF
TU100
Q101
BUFFER
6
2
L
IF
CN301
7
3
26
27
22
21
L
R
TVL
L OUT
R OUT
SDA SCL
R OUT
L OUT
R IN
L IN
5
3
12
11
TONE CONT
IC201
IC203
AUDIO OUT
+9V
IC604
+9V
Q403
BUFFER
Q404
BUFFER
R MUTE
Q402
Q401
L MUTE
L (MONO)
R
CN251
SP L
SP R
J251
HEADPHONE
MONITOR
OUT
A
POWER SUPPLY, DEFLECTION, AUDIO
AND VIDEO PROCESSING,
AUDIO/VIDEO INPUT/OUTPUT,
MICROCOMPUTER
18
19
20
21
48
49
54
41
34
35
23
24
25
26
IF IN
IF IN
AGC
SSCP/FBT
3.58
4.43/3.58
R
G
B
BLK
SCL
7
8 SDA
30
29
38
31
32
22
50
BY
R-Y
CVBS OUT
B-Y
R-Y
ABL
EHTX-RAY
IC301
Y/C JUNGLE
X443
4.43MHz
X358
3.58MHz
IF OUT
CVBS IN INT
6
13
H PROT
Q004
Q800
H DRIVE
3
1
PIN CONT
IC850, IC851
Q802
PIN OUT
IC551
V OUT
5
1
7
Q801
H OUT
L802
DUMPER
D804, D851
S801
H SENT
FV
HV
+135V
–13V
+15V
T503 FBT
Q561
X RAY
+135V
D561
D591
D1505
H+
H+
H–
H–
V–
V+
DY1
2
1
4
200V
1000V
H1
CN851
CN300
CN703
3
2
1
5
Q712
Q711
Q710
Q706
Q705
Q704
R DRIVE
G DRIVE
B DRIVE
R AMP
G AMP
B AMP
Q709
Q708
Q707
IK LIMIT
IK LIMIT
IK LIMIT
R
G
B
IK
10
9
8
3
J701
+9V
6
1
2
4
1000V
200V
H1
CN701
G2
RV701
CV (RGB AMPLIFIER)
T601
+18V
+11V
+B
D601
S600
F601
1
2
DRIVE
LATCH
OVP
OSC
9
8
6
7
2
1
3
4
PH600 PHOTO COUPLER
1
2
IC602 ERROR AMP
IC601 REG SW
CN601
AC IN
CN1602
T1602
T1601
F1601
AC IN
F (Cispr)
(KV-TG21M90 ONLY)
HDY
VDY
H+
H–
V+
V–
DY ASS'Y
IK
B
G
R
MUTE
MUTE
11
40
45
46
47
HOR OUT
EAST/WEST
VERT POS
VERT NEG
R
G
B
IK
2
4
1
7
9
10
5
6
11
13
17
16
15
14
13
11
2
3
4
5
8
7
T600
1
2
T801
H2
V901
PICTURE TUBE
6
5
7
3
2
1
Q1201, 1202
VIDEO
L (MONO)
R
IN 1
VIDEO
(FRONT)
(REAR)
VIDEO
IN 1
R
L (MONO)
VIDEO
17 CVBS IN
(1/2)
IC1210
(2/2)
IC1210
IC2401
MULTISYSTEM
STEREO DECODER
55 DEEMP
BUFFER
VIDEO
IN
OUT
RESET
CLK
DAT
41
40
KEY1
KEY2
S901
FILTER
SYNC
SYNC
FILTER
SYNC
FILTER
CT345,CF345
Q303
Q300
CT360,CF360
Q304
CT365,CF365
Q306, 308
Q307, 310
Q311, 313
DK SW
I SW
M SW
B/G SW
Q309, 312
Q301, 303
Q305
CT355,CF355
SYNC
FILTER
SYNC
FILTER
CH +
CH -
S902
VOL -
S904
VOL +
S903
TV/VIDEO
S905
S906
SEL
50 SDA
V-SYNC
37
36 H-SYNC
33
G OUT
BLK
B OUT
35
32
TEXT DECODER
IC5801
Q801, 815
BUFFER
2
3
6
7
2
3
6
SCL
VP
HP
CVBS
SDA
IC5802
+5V REG
+5V
+13V
CN5801
CN001
CN5803
V2 (TELE TEXT) (KV-TG21M61 ONLY)
6
4
3
6
B
BLK
SDA
SCL
CN002
1
4
BLK
BLUE
GREEN
RED
R OUT 34
SCL
49
INT CVBS
23
42
41
X IN
X OUT
X801
12MHz
2
1
3
2
7
R
G
VP
RESET 43
Q5803
RESET
VIDEO
HP
1
SIF IN
Q319
BUFFER
REG
TV SYSTEM SELECTOR
1
2
4
1
2
3
4
6
5
3
2
1
5
8
Q5801
Q5801
BUFFER
9
6
8
2
TVR
8
VIDEO
J1201
Q405
BUFFER