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KV
-G21MW3/G21QW3
RM-869
KV
-G21MW3/G21QW3
RM-869
KV
-G21MW3/G21QW3
RM-869
KV
-G21MW3/G21QW3
RM-869
SECTION 5
DIA
GRAMS
5-1.
BLOCK DIA
GRAM
5-3.
SCHEMA
TIC DIA
GRAMS AND PRINTED
WIRING BO
ARDS
Ref
erence inf
ormation
RESIST
OR
: RN
MET
AL
FILM
: RC
SOLID
: FPRD
NONFLAMMABLE
CARBON
: FUSE
NONFLAMMABLE
FUSIBLE
:
RS
NONFLAMMABLE MET
AL O
X
IDE
: RB
NONFLAMMABLE
CEMENT
: R
W
NONFLAMMABLE
WIREW
OUND
:
*
ADJUSTMENT RESIST
OR
COIL
: LF-8L
MICR
O
INDUCT
OR
CAP
A
CIT
OR
: T
A
T
ANT
ALUM
: PS
STYR
OL
: PP
POL
YPR
OPYLENE
: PT
MYLAR
: MPS
MET
ALIZED
POL
YESTER
: MPP
MET
ALIZED
POL
YPR
OPYLENE
: ALB
BIPOLAR
: AL
T
H
IGH
TEMPERA
TURE
: ALR
HIGH
RIPPLE
Note:
The component identified b
y
shading and
mark
!
are critical f
or saf
ety
. Replace onl
y
with par
t n
umber specified.
Note:
•
All capacitors are in µF unless otherwise noted.
•
All electrolytic capacitors are r
ated at 50V unless otherwise noted.
•
All resistors are in ohms
.
k
Ω
= 1000
Ω
, M
Ω
= 1000k
Ω
•
Indication of resistance which does not ha
v
e
r
ating electr
ical
po
w
er is as f
ollo
ws
.
Pitch: 5 mm
Rating electr
ical po
w
er 1/4W (CHIP:
1/10W)
•
: nonflammab
le resistor
.
•
¢
: inter
nal component.
•
: panel designation or adjustment f
or repair
.
•
All v
a
riab
le and adjustab
le resistors ha
v
e
char
acter
istic cur
v
e B
unless otherwise noted.
•
Readings are taken with a color
-bar signal input.
no mark
: P
A
L
( )
:
SECAM
[ ]
:
NTSC
3.58
«
»
: NTSC 4.43
•
Readings are taken with a 10 M
Ω
digital m
ultimeter
.
•
V
olta
g
e
is dc with respect to gr
ound unless otherwise noted.
•
V
olta
g
e
v
ariations ma
y be noted due to normal pr
oduction
tolerances.
•
All v
olta
g
es are in
V
.
•
∗
:
Cannot be measured.
•
Cir
c
led n
umber
s are wa
vef
orm ref
erence
.
•
:
B
+ b
us.
•
:
B
– b
us.
•
:
signal path.
÷
C
A
5-2.
CIRCUIT BO
ARDS LOCA
TION
59
60
38
41
40
36
35
34
3
6
56
54
L/H
U/V
VC
KEY1
KEY2
RESET
EXT
AL
XT
AL
TIMER
RESP/
IICLK0
IID
A
T
0
NICAM
VC AMP
Q109
Q110
VC FIL
TER
Q108
B
UFFER
AG
C
TU
U/V
L/H
50
42
47
25
55
53
26
7
8
17
48
27
G
BR
T ABL
HSYNC
HSYNC
IICLK1
IID
A
T
1
SIRCS
TSW0
TSW1
VPULSE
VSYNC
HDSW
IC001
Q303
G B
UFFER
5
6
IC003 MEMOR
Y
1
2
IC004 IR DET
+5V
S901
5
4
IC002 +5V REG
1
+9V
+5V
X101
Q902
LED
DRIVE
DRIVE
LED
Q903
+5V
TIMER
D901
NICAM
ST/BY
Q403, 404
FIL
TER
SWF401
Q402
IF B
UFFER
IF
TU101 TUNER
L OUT
L IN
5
11
IC203
A
UDIO OUT
Q1207, 1208
B
UFFER
L MUTE
Q1265
L SP MUTE
Q210
VIDEO
L (MONO)
J1201
CN251
SP
J251
EARPHONE
MONIT
OR
OUT
A
TUNER, IF
,
Y/C JUNGLE,
SECAM DECODER, H/V OUT
SYSTEM CONTR
OLLER, MEMOR
Y
A
UDIO/VIDEO IN/OUT
, PO
WER SUPPL
Y
18
19
20
21
48
49
54
41
34
35
IF IN
IF IN
AG
C
SSCP/FBT
3.58
4.43/3.58
SCL
7
8
SD
A
30
29
33
38
39
31
32
22
50
B-Y
R-Y
SECAM
CVBS OUT
BLK/STC
B-Y
R-Y
ABL
EHTX-RA
Y
IC300
Y/C JUNGLE
X443
4.43MHz
X358
3.58MHz
1
19
12
11
IC354 SECAM
12
11
5
14
16
IC351 1HDL
IF OUT
SIF IN
6
1
H PR
O
T
Q030
Q801
H DRIVE
3
1
PIN CONT
IC801 (2/2)
Q821
PIN OUT
IC801 (1/2)
PIN CONT
7
5
6
IC551 V
OUT
2
4
Q802
H OUT
L804
DUMPER
D801, 891
S801
H SENT
FV
HV
+135V
–13V
+15V
T851 FBT
Q561
X RA
Y
+135V
D561
D591
Q1513
V SA
W
D1505
H+
H+
H–
H–
V–
V+
DY
1
2
1
4
200V
1000V
H1
CN851
CN103
CN703
6
5
4
1
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
12
11
10
5
J701
1
8
1
2
4
1000V
200V
H1
CN701
G2
R
V701
C (RGB OUT)
T601 SR
T
+18V
+11V
+B
1
2
DRIVE
LA
TCH
OV
P
OSC
9
8
6
7
21
34
IC603 PHO
T
O
COUPLER
12
IC602 ERR
OR AMP
IC601 REG SW
HD
Y
VD
Y
H+
H–
V+
V–
D
Y
ASS'Y
IK
B
G
R
+7V
Q202
MUTE
MUTE
11
40
45
46
47
HOR OUT
EAST/WEST
VER
T POS
VER
T NEG
R
G
B
IK
2
4
1
7
9
10
5
6
11
13
17
16
15
14
13
11
3
4
5
8
7
T801
H2
V901
PICTURE TUBE
6
5
7
Q1201
VIDEO
L (MONO)
IN 1
VIDEO
(FR
ONT)
(REAR)
VIDEO
IN 1
L (MONO)
VIDEO
11
CVBS IN EXT
3
5
7
IC1211
IC1210
17
LUMA IN
B
UFFER
CLK
DA
T
B-Y
R-Y
S REF
SYNC
R-Y
B-Y
SYNC
R-Y
B-Y
IN
OUT
RESET
55
DE
FIL
TER
SYNC
SYNC
FIL
TER
SYNC
FIL
TER
KV
-G21MW3
only
KV
-G21MW3
only
CT45,CF45
Q405
Q407
CT60,CF60
Q410
CT65,CF65
Q413, 411
Q415, 412
Q418, 416
DK SW
I SW
M SW
7
8
2
1
3
4
A
B
DK
I
M
B/G
IC401
TV
SYSTEM
SELECT
OR
B/G SW
Q417, 414
Q406, 408
Q409
CT55,CF55
SYNC
FIL
TER
13
CVBS IN INT
SYNC
FIL
TER
+
–
Q1209
B
UFFER
A
UDIO SW
SYSTEM CONTR
OLLER
KV
-G21DK2
CH +
CH -
S902
V
OL -
S904
V
OL +
S903
TV/VIDEO
S905
S906
SEL
1
2
4
3
6
5
ONL
Y
B
U
FFER
Q1202
+9V
REG
+9V
IC521
