Download Print this page

Schematic Diagram (Display Section) - Sony STR-DE350Z Service Manual

Advertisement

STR-D350Z/D4502Z/DE405/DE505
e WAVEFORM
® IC BLOCK DIAGRAM — DISPLAY SECTION —
Note :
1C202
BA6208
* All capacitors are in uy F unless otherwise noted. pF: yw uw F
- Voltages are taken with a VOM ( Input impedance 10M Q ).
50WV or less are not indicated except for electrolytics and
Voltage variations may be noted due to normal production
tantalums.
tolerances.
+ All resistors are in Q and %W or less unless otherwise
+ Waveforms are taken with a oscilloscope.
specified.
Voltage variations may be noted due to normal production
* A:
internal component.
tolerances.
7
:
:
* Circled numbers refer to waveforms.
e IC BLOCK DIAGRAMS — MAIN SECTION —
: B+ Line
~/Sianeiigath
° [B-—] :B- Line
4.19MHz
;
=>
:FM
1C251
NJM2279D
IC300
LV1011
* Voltage and waveforms are dc with respect to ground under
no-signal ( detuned ) conditions.
IC201 @
geen,
(4S)
©
(3)
eee
2
5
5
=
2
4
3)
rit
av
=
=
=
z
Zz
=
Lom}
3-4. SCHEMATIC DIAGRAM (DISPLAY SECTION)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
A
SS
Sf
A
Li
TS
tS
|e
__
eS
tt
sebeBiOA
ve
9287 NT
(¥) (BASS BOOST]
=
[1203]
C203
acre
aoa
Sie
$238
Soe
(8) L-HIx-0uT
SIRCS
Bad bal
:
on
MEMORY
C)
S&S
©
©
(15) R-M1X-0UT
oP ERK
FL201
e
e
B
es
(13) s-out
LO}
te
R238
R239
R240
R241
236
R237
ec ee ae
ee
4 15k
o n g 22k
n d
> $230
' $231
4° $232
qe $233
4° $234
4° $235
d- $236
TUNING
PRESET
MEMORY
io
(4
pp
— $10
co
KHz
-S1)
fr
ie]
ic
MHz = -S12
PRESET
| [TUNING
-}
| PRESET
SHIFT
FMZAM
FM MODE}
[BASS
BOOST
TUNING
—-
TUNING
+
RV422
1C301
LA2785
1C401
LC7822
aves 7
ie
a)
0
l
I
r
1
3.4
9231
BAIF4M
LEB @RIVE
VOLUME BOAR
E
i
CNP401
t
x
Ss
ely
8233
8234
8235
2236
2237
x
a
£NS201
VIseo]
[TV7SB5] PROLOGIC)
[HEATER]
[HALL
'
3
RAS CLK IN
I
ROS BATA IN
$201
$202
$203
$204
i, $205
F
sw (12V)
a
a:
Ray
SW (RY)
| 24 |
:
Hy
;
BELAY TIME
ee ———
5.BATR
7
SL_| 5, SUREGT
||_verrecr
oh
PLL. BATA
1C201]
rerio mre
ion 22
a
ie jess
8.cE (C7288)
me
BASS BOOST
8
SCE CVO
ae
+5V
REAR
BRIAGE
| 19 |
VERSION
LEVEL+
8. CLOCK
18 |
PROTECT
POWER SW
oe
S. BATA
BRIDGE
SIRCS
abies
[PHONO]
G
PLL BATA IN
| 16 |
RESET
vss
[PHONG]
I
§.CE (7822, 72130) 15 |
AUTO-STOP
STOP
Alou
ara
.
euaeae
$.CE (LV1010)
STEREO-IN
RBS. CLK. IN
=:
&
AUTO STOP
| 13 |
AVSS
RBS. BATA. IN
CENTER
z
STEREO IN
Ea
SP-RY
SYS. POWER
ae
4
SP-RY
Ea
SURR-RY
STANDBY
oe
2.
SURR-RY
| 10 |
POWER-RY
w
sr
I
H
POWER-RY
Es
BOWN
Z
5
x:
SIGNAL
re |
z
Z|
TONER
IC. MUTE
Ee
o
oe
F.MUTE
Ea
TUNER MUTE
sy
PROTECT IN
| 4 |
I
=x
Sa
Caee
I
a
et
{1
i
a! Pao
2
=a
=
IC950 NJM2103D
| (as
ee
ee 2 ee
eee
a
i
4.7
u
.
ee
ee
0202 BAIF4M
u
Mw
u
"
R216
|
J
9201, 202 22k
SYSTEM RESET
J
1
:
:
I
CNS202
K
NB
| 4 |
S
i
5
3
[C202
(B)
VOL. UP
| 3 |
3
VOLUME BOARS
VOL.80WN
| 2 |
5
VOLUME MOTOR
Low Boost
| 1 |
=
CONYROL
|
02
cod ae
== 10
S19
20

Advertisement

loading

This manual is also suitable for:

Str-de450zStr-de405Str-de505