Hb Board Schematic Diagram (All Except Kv-21Fa310) - Sony TRINITRON KV-20FS120 Service Manual

HB BOARD SCHEMATIC DIAGRAM (ALL EXCEPT KV-21FA310)

1 |
TO A BOARD
CN005
CN2005
A 12P
VIDEO 2
1
GND
2
GND
3
—
AUDIO L2
4
5
AUDIO R2
6
MENU
KEY
7
B
NC 8
SP L+
9
SP L-
10
11
SP R-
—
12
SP R+
TO A BOARD
CN002
C
LED-TMR 1
MPWR-LED 2
GND
3
5V-STBY
4
—
SIRCS 5
POWER ON
6
GND 7
D
CN2004
7P
—
E
—
CN2402
4P
SP R+ 1
SP R- 2
F SP L-
3
SP L+
4
—
KV-20FS120/21FM120/21FS120/21FA310/24FS120/25FS120
2 | 3
C2238
5mm
D2233
RD9.1EW-T1
R2235 220 1/4W
C2234
1
D2235
50V
RD9.1EW-T1
C2235
R2237 220 1/4W
1
D2236
50V
RD9.1EW-T1
S2007
M
S
TOP
TOP
R2203
R2201 6.8k
1.5k
R2009 R2010
820
2.2k
S2001
S2002 S2003
CH-
CH +
R2007
D2003
100
MTZJ-T-77-5.6B
D2001
MTZJ-T-77-5.6B
R2004
1k
D2002
LNK0120022
FB2003
FB2004
R2401
1.1UH
1.1UH
C2402 22
FB2001
FB2002
1.1UH
1.1UH
| 4 |
FRONT
VIDEO2
J2231
*
R2234
75
V
L
R2236
100k
1/4W
JW2001
R
*
R2238
100k
1/4W
S2008
U D
R2202
2.2k
R2008
6.8k
S2005
R2011
680
TV-V
VOL + VOL-
S2004
IC2001
SBX3081-71
SIRCS
S2006
OUT VCC
GND
C2001
100mF
25V
470
J2401
C2401 22
R2402
470
9-965-959-01<BA6S>HB
KV-20FS120/21FM120/21FS120/21FA310/24FS120/25FS120
5
41