– 21 –
– 20 –
KV-HW21P80A
RM-969
KV-HW21P80A
RM-969
6
1
4
3
CN302
M-SW
R
SCL
SDA
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
Key
Buttons
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 IN
R IN
TVL
L OUT
R OUT
SDA
SCL
R OUT
L OUT
R IN
L IN
7
12
2
5
TONE CONT
IC201
IC203
AUDIO OUT
+9V
IC604
+9V
CN200
SP L
SP R
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 IN
G IN
B IN
BLK
SCL
7
8 SDA
30
29
38
31
32
22
50
R-Y OUT
B-Y OUT
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
RGB
RGB Amp
1000V
200V
H1
C (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
HDY
VDY
H+
H–
V+
V–
DY ASS'Y
IK
IK
B OUT
G OUT
R OUT
MUTE
MUTE
11
40
45
46
47
HOR OUT
EAST/WEST
VERT POS
VERT NEG
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
V901
PICTURE TUBE
CN704
CN703
VIDEO
L (MONO)
R
IN 1
VIDEO
(FRONT)
(REAR)
VIDEO
IN 1
R
L (MONO)
VIDEO
17 CVBS IN
55 DEEMP
IN
OUT
RESET
CLK
DAT
41
40
KEY1
KEY2
SYNC
FILTER
CT345,CF345
Q303
Q300
CT360,CF360
Q307, 310
1 SW
B/G SW
Q309, 312
Q301, 303
Q305
CT355,CF355
SYNC
FILTER
SYNC
FILTER
CN001
1
SIF IN
Q319
BUFFER
REG
TV SYSTEM SELECTOR
4
1
2
3
4
6
5
9
6
8
2
TVR
8
2
4
1
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM