Schematic Diagram -Display Section - Sony ST-H2750 Service Manual

Fm stereo/fw-am tuner
Table of Contents

Advertisement

ST-H2750/H3750
ST-H2750/H3750
4-4.
SCHEMATIC DIAGRAM —DISPLAY SECTION—
1
2
3
4
5
6
7
8
9
10
11
12
13
[DISPLAY
BOARD]
FLT701 FLUORESECENT
INDICATOR TUBE
A
Low ges<:
1¢703
ee
GPLUS2XB
(2)
t
C714
46
Aa
0.47
1}
i
+
—————|
}-
B| |
De
|
+
=
C
eee
1
-14.5
-22
$701
$702
-26
-18.3
WAKE UP] | [WAKE UP
-|193
-bela
TIMER |
TIMER 2
L701
7
(
ae
mies
100#H
~29.8
22
ee
"
m—o
eo
fF]
=
(ANC KEDKEI NX EN SEXSTASOLESNLS
AY SIY SEN SIN
SENGKANG
NEED)
ea
ae,
Whee
ibdeeaze
idee
al
iitnegie,
IN
ke
eae
DoOKDHHHDHAS
SoS856
[MODE |
STEREO/
D
®
Lear
Rom)
R701
1k Gi)
t
1
R702
1k
(a
R703 Ik Gi)
R704
1k
:
R705 1k we
IC7O1
615 G)
C713
(72) KI
TNPEACC7OF
Veo om
=
sie
(73) KI
SYSTEM CONTROL
SIRCS IN ae
Eee
E
ae (74) KI
(75) KO
4.7
0706
pall) KO
IN4148M
Oi) KO
R734
a
(78) KO
7
9X73) SOA
FI
§.1 (30) SCL
2
R706 + R707 + R708 + R709
C712
row dey)
3. 3k
5.5K
2. 2k
3.3k
be
Ae,
F
EEP- ROM
(4)
J
4,
CNJ702
|__|
+
__
5
1C702
4
VF
ka
X24C O1P
3
VE
@ To ven BOARD
2
AU BUS
_
ue
Pf _woting |
Sy
871
&
711
|
(y) SEL2210S
SEL2210S
C713
G
PRESET
TUNING
L702
0.01
0
1008H
9717
'
9701
Q702
1N4148M
Lov]
28C3402 | 253402
SON
SN
.
INA EM
ary) rs
'
nar
4.5
C716
a
0.022
R725
1k
0
5
R726
are
H
Q TO TUNER BOARD
Q701,702
"ian = 5702
CNuI
a
Ie
704
LED SWITCH
=
RESET
0705
R729 Ik
2SA1T15
R730 1k
5.4
HOLD
5.4
J
16704
=f717
PST572H
ae YZ
ye
eT
(MHOHD
|
Na
gM
4.5
4.5
BS
Q706,707
fees
aN
oe
ma,
AUDIO BUS
£720
:
BUFFER
!
ny
O01
Ron = ure. SBsB
86
NE
=Frie
J

Advertisement

Table of Contents
loading

This manual is also suitable for:

St-h3750

Table of Contents