Diagrams; Block Diagram Ee Eees Pe - Sony TA-D909 Service Manual

Integrated stereo amplifier
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TA- D905
2-1. BLOCK DIAGRAM
CNJIO3
7
R
L
R
L
R
CNYI02
1
R
L
R
CNJIO!
L
R
L
R
J502
L
R
J501
L
AUDIO
VIDEO
2 IN
R
$702
L
VIDEO 3 IN
R
J701
J503-2
4504-1
VIDEO | J702-3
$503 =|
J504~-3 | MONITOR OUT
SECTION 2
DIAGRAMS
IC 118
AUDIO
ce aa
1€ 106
|
|
|
|
\
|
BUFFER
<}+-
V. MUTE >
Q506
Q50l
MUTE
BUFFER
PROGRAM
FUNCTION | KEY
eh
-
0463
By
0473
®)
IC
POWER DOWN
DET
ICH15, QI01
Q102
VIDEO
SELECTOR
0502
BUFFER
eines
>
6)
J503
VIDEO 1 OUT
>
©) 504
VIDEO 2 OUT
Q503
BUFFER
IC107
MIX AMP
ICII6
>
DBFB AMP
SW DRIVE
A
Q129
Q130,131
5
OBFB ON/OFF
FILTER AMP
Q127
RV401
DBFB- LEVEL
CONTROL
DBFB
CONTROL
$405
| PROGRAM
FUNCTION | LED
5
Osc
DUTY- IN
402
STOP
a RESET GEN :
Q410
1c40!)
SYSTEM
CONTROLLER
X401
Q107
/\
0408
AUB OUT.
AUB
IN
CNIO7
VOL- DATA
DET
eis
LOAD
7
DET
:
OFF SET
: AC
OFF
i
DET
MOTOR DRIVE
VOL - UP
1C 801
VOL-DOWN>
|
(1d)
Sr oatke
VET TeY
z,
|
ica
RVBOI
RV501
VOLUME
ene
[~~~
FRONT POWER AMP
|
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>
|
|
|
|
H
O13
Ql2i
OVER LOAD DET
-L.RMIX BUFFER
TEMP.
Reh
|
| | peTEcToR
P-®
PS.
|
|
Ic7I
|
|
|
&
Rch
|
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|
D7I
|
|
Reh
|
|
ad
|
|
|
|
|
|
TEMP.
|
PROTECT &
FAN CONTROL
|
1C108
>
(Fan)
|
|
Q121
|
Q141
|
|
DRIVE
|
|
|
|
|
|
| gy |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
L
FC302
VIDEO
FUNCTION
FUNCTION
SWITCH
SCAN
1C304
IC 112 PROTECT
SPEAKER
ON/OFF ON/OFF
| S103
TBIOI
oe
A= SPEAKER
R
IMPEDANCE USE 6~ 162
a
[B—SPEAKER |
SPEAKER
RY~IN
IC502
REC OUTCONTROL
l< VI
<
vo
FC301
AUDIO FUNCTION
N~< AF-uP
~ AF -DOWN
>
L
LED DRIVE
wm
Lew
c
K—~<A
FUNCTION
K—< 8
SWITCH
c
SCAN
D
IC 303
AF-DATA
AF -ENC
OL
CNJ506
3
SURROUND
SPEAKER
Rech
R
©
IMPEDANCE
USE 8~ 160.
AEP,UK
162
E,EA
8\16n.
~3
J502
© |
VIDEO | OUT
=4
Reh ——+)
R
~3
AUDIO
+6)
L
J501
-4
[VIDEO 2 OUT
Rch ———*0)
R
POWER TRANSFORMER
Dio!
TIO!
+52y ——
~52v
E MODEL
DISO ~ DI53
ONLY
I5V
CNP9O!
— 15V
6V

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