SERVICE MANUAL
BG-3S
CHASSIS
MODEL COMMANDER DEST. CHASSIS NO.
MODEL COMMANDER DEST. CHASSIS NO.
KV-XF21M80 RM-952 JE SCC-P01D-A
KV-XF21M8J RM-952 ME SCC-U16L-A
SUPPLEMENT-1
SUBJECT : ADD ROTATION COIL CIRCUIT
AND MICON CHANGE
File this supplement with the Service Manual.
The following parts change and addition apply to model KV-XF21M80 only with starting serial number 2,000,001~.
SECTION 4. CIRCUIT ADJUSTMENT
4-4. A BOARD ADJUSTMENT AFTER IC003 (MEMORY) REPLACEMENT
(see page 32)
IC001 (u-CON) : CXP86449-623S (KV-XF21M80)
SECTION 5 DIAGRAM
5-1. BLOCK DIAGRAM
(see page 35~37)
24
21
19
18
11
13
14
031
IK in
H. DRIVE
H. PULSE
E/W
VD+
VD-
BLUE OUT
C3
H-DRIVE
Q506
2SC2688
PIN-CONT
IC502
NJM2903D
HDT
T501
PIN-OUT
Q505
IRF614
H-OUT
Q511
2SC4927
PMC
L509
V-OUT
IC503
TDA8172
B outB out
HLC
L510
– 1 –
5-2. FRAME SHCEMATIC DIAGRAM
(see page 38~39)
CRT
PICTURE
TUBE
VD + OUT
GND
VD - OUT
15V
N/S ROT
N/S MUTE
CN1801
(KV-XF21M80)
CN704
1E
1
2
3
4
5
6
NS COIL
N/S COIL -
N/S COIL +
CN1802
2NC
3
1
C3
(RGB OUT)
CN702
CN701
1 G2 FBT
1
2
CN703
1
2G
3
4
5
6
200V
GND
E
H13
B
R
IK
9V
DGC
AC IN
CN4601
1
F
(CISPR)
5-3. CIRCUIT BOARDS
(see page 40)
AC IN
2
VD +
CN507
(KV-XF21M80)
12345
GND
VD -
15V
N/S ROT
N/S MUTE
6
CN305
B
R
G
IK
9V
GND
1
65432
C3 (KV-XF21M8J)
C5 (KV-XF21M80)
VM1
CN505
GND
200V
123
H1
DGCNCDGC
CN604
123
F
A
– 2 –
5-4. SCHEMA TIC SIAGRAMS AND PRINTED WIRING BOARDS
(see page 43 ~ 48)
C006
0.1
25V
B:CHIP
#
1
0
0
JR
M24C08-BN6
5V
1
4
0
R
IP
0
H
4
:C
0
R
0
10
E
CN001
#
C008
100p
CH:CHIP
.9
.9
IC003
4
4
NVM
0000
1 2 3 4
#
1
IP
0
H
0
:C
C
0
C002
#
10
R067
1k
R047
:CHIP
IP
H
R008
5678
.9
4
R021
10k
:CHIP
JW075
#
R004
.9
4
0
0
R007
0
:CHIP
100 :CHIP
1
0
0
R
LED1
4.7k
:CHIP
R005
100
:CHIP
R003
10k
:CHIP
C003
IP
H
:C
0
.8
4
#
R019
10k
:CHIP
R002
100
:CHIP
LED2
SIRCS
9
0
0
R
NS ROT
.1
0
0
IP
#
H
:C
10
0
R
k
.7
4
C004
220p
☛
B:CHIP
☛
0
0
L
.9
.7
C
4
S
4
IC001
(MODE) VOL
*
CONTROLLER
)
(0
.9
.9
.9
4
4
4
C005
220p
B:CHIP
12
0
C
SCL1
N
C
P
A
1 2 3 4 5 6 7 8 9
IP
H
R013
IP
IP
4.7k
H
H
:C
:CHIP
11
:C
12
0
0
R
R
k
.7
4
k
.7
4
D006
1SS355TE
R014
100 :CHIP
SCL
5
1
0
#
C055
100p
3
4
0
C
IP
H
:C
H
C
p
0
0
1
SDA
C044
100p
CH:CHIP
R017
:CHIP
C
1k
R015
100
:CHIP
C009
IP
H
:C
H
C
p
0
0
1
IP
H
:C
0
1
H
C
0
C
CH:CHIP
p
0
10
#
11
16
#
0
0
C
R
414243444546474849505152
0
0
.9
.9
.6
4
4
4
SDA0
SDA1
W PROTECT
1
.8
3
.3
.8
T
0
4
HSYNC
ST-BY
IN
0
E
T
U
M
O
/M
W
S
T
T
A
2
T
.8
.9
S
4
4
0
VSYNC
VSS
R
10 11 12
IP
Page 1/2
C577
0.15
200V
:PT
S501
#
C574
10
160V
L513
1mmH
:LHL08
Page 2/2
R508
:RS
R500
#
R501
L515
135V
10mH
:DCC
R507
4.7
:FPRD
S502
SW
:LB
68
3W
R509
100
R519
135V
#
#
15V
TO C3 BOARD
CN1801
1
VD+
GND
2
VD-
3
4
15V
NS ROT
5
6
NS MUTE
:S-MICRO
DY1
WHT
:DY
1
H+
CN507
4P
6P
TO DY
☛
H.DY
– 3 –