Sony TA-D909 User manual

SERVICE MANUAL
This set is a integrated stereo Amplifier
Block of the following models.
LBT-D905CD
TA-D909
AEP Model
LEEDS
eo
SPECIFICATIONS
Continuous RMS power output Frequency response
95W+95W
PHONO RIAA curve +0.5 dB
80 W + 80W VIDEO2 +0
(6 ohms, at 1 kHz, DIN) VIDEO3 10 Hz to 50 kHz 3 dB
Music power output 160W + 160 W SDP
(6 ohms, at 1 kHz) TUNER
Audi i TAPE
uelo sechon MIG 100 Hz to 10 kHz “2 aB
Input General
Impedance
47 kohms
47 kohms
INPUT Jack type Sensitivity
PHONO Phono
47 kohms
47 kohms
47 kohms
47 kohms
47 kohms
0.7 mV 10 kohms
TUNER Phono
VIDEO1
VIDEO2
VIDEO3
* At80 W + 80 W output
With SDP IN and SDP OUT short-circuited
Output
OUTPUT Jack type
DAT
VIDEO1
Sensitivity
200 mV
Impedance
2 kohms
2 kohms
2 kohms
2 kohms
2 kohms
VIDEO2
SDP
SURROUND
SPEAKER
HEADPHONES | Accepts headphones of 8 ohms or more
Accepts speakers of 16 ohms
Video section
Inputs VIDEO1, VIDEO2, VIDEOS,
DBS: 1 Vp-p, 75 ohms
VIDEO1, VIDEO2,
MONITOR: 1 Vp-p, 75 ohms
Outputs
Power requirements
240V AC, 50/60Hz (UK model)
UK Model
E Model
120/220/240, 50/60Hz (E, Saudi Arabia models)
220 — 230V AC, 50/60Hz (AEP, Germany, Italian models)
Power consumption 230W (E, Saudi Arabia models)
400W (UK model)
200W (AEP, Germany, Italian models)
AC outlet 1 unswitched, 100 W max.
Dimensions Approx. 355 X 132.5 K 325 mm (w/h/d)
incl. projecting parts and controls
Weight Approx. 6.9 kg
Design and specifications subject to change without notice.
INTEGRATED STEREO AMPLIFIER
ON Y.

TA- D905 |
TABLE OF CONTENTS
section Title Page
1 . GENERAL wee mmc rere cree eer cnc cen ern es ances eeesanseseeee 3
2. DIAGRAMS
2-1. Block Diagram ee eees Pe ee a 9
“2-2. IC Description 2 ll
2-3. Circuit Boards Location «++r+ess sss ese reese ees 12
2-4. IC Block Diagrams ee a a 13
2-5. Semiconductor Lead Layouts-+++cssseeeeeeees 16
2-6. Printed Wiring Board — Main —--+++++eeeeeeee 17
2-7. Schematic Diagram — Main —-c+reesr erst eeeees 21
2-8. Schematic Diagram — Panel — sees essereeeeees 25
2-9. Printed Wiring Board — Panel — -sresseeeeee- 29
3. EXPLODED VIEWS
3- 1. Overall Section l ee ars 81
3-2. Overall Section 2 Came e eee er ear err erereresesere 82
4. ELECTRICAL PARTS LIST ome e rere e een rare resceces 33
MODEL IDENTIFICATION
-— Specification Label —
SON
Ye
—
move.
no.
TaA-D905
INTEGRATED
STEREO
AMPLIFIER
Wd
SERIAL NO.
MADE IN JAPAN
AEP, Germany, Italian models :
UK model : AC240V “~~ 50/60Hz
AC220 — 230V “~~ 50/60Hz
E, Saudi Arabia models : AC120/220/240 “~~ 50/60Hz
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK A OR DOTTED
LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
2

TA- D905
SECTION
1
This
section
is
extracted
from
GENERAL
instruction
manual.
. Location of Controls
Front Panel | -_ Panneau frontal
2] 5
Refer to the pages indicated in @ for details.
Amplifier
POWER switch
VIDEO FUNCTION selector @
AUDIO FUNCTION selector @
Buttons for storing sound quality settings
(PROGRAM FUNCTION) @
VOLUME control ®
[6 | VIDEOS input jacks
MIC LEVEL control @. ®
MIC jack &
[9 | BALANCE contro! ©
DBFB LEVEL control @
DBFB button @
HEADPHONES jack @
SPEAKERS A/B selectors @

Installation |
Notes on Connection
« Connect the AC power cord last. Make sure power is off.
« Cord plugs and jacks are color coded. Red piugs and jacks
. are for right channel (R) and white ones for left channel (L).
« Fully insert cable connectors into jacks. Loose connections
may cause hum or noise.
« No audio or video connecting cords are supplied with this
unit. They are supplied with other components.
re
eeess
Basic connections Optional equipment
ey
Connexions de base 3 Appareil en option
Conexiones basicas z Equipos opcionales
Ligagdes basicas ¢ Equipamento opcional DBS tuner
Tuner DBS
Double cassette deck paces aie A Sintonizador de
Double magnétophone : DAT deck emisiones via
Deck
de
doble
cassette
Tuner
sii
ies
promis
a
5
ume
OAT
Turntable
system
(PS-D905)
VTR1
satélite
Deck de cinta audiodigital Piatine tourne-disque (PS-D905) Magnétoscope 1 Sintonizador de
Gravador cassete dupio Tuner
uner
:
Giradiscos
(PS-D905)
Videograbadora
1
transmissdes
SS
Sintonizador
me
Gravador
DAT
__
Gira-discos
(PS-D905)
Videogravador
1
via
satélite
Sintonizador
:
=
ae
ee
|
a
a
o
=
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——_
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sin
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4
:
a
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moe. 6 OQ serrsos ;
Fab Sh GP ANGE LER R PINE AT ONT Milt Ha
To SDP-D905
Vers fe SOP-D905 | :
al SDP-D905 To SOP-D905
a SDP-D905 3 Vers DSP-D905
al SOP-D905
a SDP-D905
TAREE ETRE IGE PH LY MARLO ED,
AN RS
—@®
To the front panel
Vers le panneau avant
al panel! frontal
ao paniel frontal
Yes"
\s)
PR EATAEL EA Ns ONES COME A
Eats
STERN STE BESS PN RIDE MOISE oD MA OGIL SSL MT RIO aL BS ER UR RNASE I AL NN EE NEL CREE RIVE MAES LA SPREE. Et
VTR2 R
video camera Magnétoscope 2 Fy
J
Caméra
vidéo
videcorabadara’?
mremnre
Surround
speaker
system
=
4
Digital
surround
processor
CD
player
Videocamara
Vid
dor?
onitor
ae
Systéme
d'enceintes
;
Processeur
mumérique
d’ambiance
Lecteur
CD
Video
camara
wecgravader
Moniteur
de
television
d'ambiance
=
Procesadar
de
sonido
perimétrico
digital
Reproductor
de
discos
compactos
Televisor
monitor
Sistema
de
aitavoces
‘
”
Processador
digital
de
efeitos
perimétricos
Leitor
de
discos
compactos
Monitor/TV
perimétricos
iN
Colunas
de
altifalantes
i
perimétricos 5
ERNE INS:
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SAAT RR TY Te Rearntat TES, ee ABN Ag
@ Connecting a tuner
Connexion d’une tuner
Conexién de un sintonizador
Ligagao de um sintonizador
@ Connecting a double cassette deck
Connexion d’un doubie magnétophone
Conexién de un deck de doble cassette
Ligagao de um gravador cassete dupio
” TAPE IN
TUNER IN F LINE IN- J LINE OUT TAPE OUT
AU BUS connector (supplied with ST-D905)
Connecteur AU BUS (fourni avec le ST-D905)
Connector AU BUS (suministrado con el ST-D905)
© Connecting a digital surround processor
Conector AU BUS (fornecido com o ST-D805)
Connexion d’un processeur numérique d’ambiance
Conexién de un procesador de sonido perimétrico digital
Ligagao de um processador digital de efeitos perimétricos
This connection allows you to control this unit with the
remote commander supplied with ST-D905. It also
cs
H i i i nnect acter
enables automatic function selection of connected SSS
components.
LINE IN LINE OUT
Cette connexion permet de faire fonctionner l'appareil a
l'aide de la télecommande fournie avec le ST-D905. } a
Elle permet également la sélection automatique des ‘ SDP-D305 SDP OUT
composants raccordés. :
OCLTIes es =. oo eer reco
Ld
Esta conexién le permitira controlar esta unidad con el
telemando suministrado con el ST-D905. También
permite fa seleccién automatica de funci6n de los
componentes conectados.
Esta ligagdo permite o controle do aparelho com o
telecomando fornecido com o ST-D905. Esta ligacao
permite também a selecg4o automatica de fungdes nos
componentes ligados.
Te
SEAT NMFS ENNIS ES ST
BSE RCE THESE FC
ALDOR SI PRE TALES AEE ERNE SSID A ESSE DN 0a gE AION TE OCIS EAE ORE CC ADIN RA SBE ESSERE EL SEEDER SIRES ER SAN STS PRESEN AK EEON
S060 -VL

ata rlieliceyg| ,
RRR arte MRR PER PENN SHOES TENET AER SELL Fd PD CS ENE TLS TLL EIR LIE OLIN E FOR LEONEL STEPS ARCH IOC DLT ESET OEIC
= @ Connecting a DAT deck
: Connexion d’une platine DAT munie d’une sortie numérique optique
Conexion de un deck de cinta audiodigital
Liga¢ao de um gravador DAT
NAC RR eR EER OR ETE EERO PERE
ples nae Scene ENE TOG SOE BES SRS SEE IN AE SLE IST, LF ELIT TLIO OOD Be oN COROT
i
DAT deck
Platine DAT
Deck de cinta audiodigital
DIGITAL IN
at
; A DAT deck can be connected in 3 ways. When connecting Usted podra conectar un deck de cinta audiodigita! de 3 formas fi Gravador DAT OPTICAL DAT
ie a DAT, use only one of the following connections. Cuando lo conecte, emplee solamente una de estas formas.
i Une platine DAT peut étre connectée de 3 maniéres différentes, A ligagao de um gravador DAT pode ser realizada de trés
B mais les connexions doivent étre effectuées selon un des maneiras. Utilize um dos seguintes modos para a ligagao. Optical cord
Fy systémes suivant uniquement. OPTICAL OPTICAL Cable optique DIGITAL OUT
Ss
cs
a
ACL
NOR
a
OY
RSLS
SEP
IR
MRE
WE
MS
LEANER
SAREE
ELEN
ES
SMES
DIGITAL
IN
DIGITAL
OUT
Cable
optico
OPTICAL
DAT
d
Cabo
éptico
7
‘ A DAT deck
A Platine DAT
Deck de cinta audiodigital
Gravador DAT
Feature of these above connections Particularidades de estas conexiones
z els the digital recording possible? « ZEs posible la grabacion digital?
Yes: {C No: ‘A|1B Si: IC No: lA
f OPTICAL Gl A} B) iC ‘Aly
DIGITAL OUT ¢y ; as 2 er : rae
connection enables you to record digital sound from La conexi6n [C]le permitira grabar sonido digital de un
2b od AIA ERE EON AER Le RE NORTE REY LALO TYE Ad RCIA ORDERS
a CD or DBS tuner connected with an optical cord reproductor de discos compactos 0 de un receptor de
Optical cord without digital-analog conversion. emisiones via satélite conectado con un cable éptico sin
sees pina 3 Thus, this connection allows you to have your recording conversién digital-analégica. Por ello, esta conexién a
apncaenn i free of any deterioration in sound quatity resulting from hara que pueda grabar sin que la cualidad del sonidose §
Cabo dptico 3 ae : : 2 i a "
: digital-analog conversion. vea deteriorada debido a la conversién digital- 4
zi analdgica. S
« Can the digital surround processor effects be recorded? :
Yes: No: [Cj + ZEs posible grabar los efectos del procesador de sonido
perimétrico digital?
Si: No:
Caractéristique des connexions indiquées Caracteristicas das ligagées acima
ci-dessus « E possivel realizar gravagdes digitais?
+ L’enregistrement numérique est-il possible? Sim: Nao :
Oui : - Non: [A} [B]
DIGITAL IN rr
OPTICAL DAT ‘
at OE TELE
A ligagao C permite a gravagao dos sinais digitais de um
Re FS Ne ERT PEO TT ES RON LORRI TPL TOE IS STORET ORES
: a La connexion [C} permet d’enregistrer le son numérique disco compacto ou sintonizador de transmissées via f
fl 3 d’un lecteur de CD ou d’un tuner DBS raccordés par un satélite ligado através de um cabo optico, sem ¥
DAT deck VIDEO2 IN cable optique sans avoir a faire la conversion conversao digital-analogica. s
Platine DAT Bs numérique-analogique. Esta ligagdo possibilita desta forma a obtengao de &
Deck de cinta audiodigital 4 Aussi, cette connexion vous permet-elle d’effectuer des gravagées livres de qualquer degradagao na qualidade ‘
Gravador DAT i enregistrements ne souffrant pas de détériorisations sonora resultante da conversao digital-analdégica. rs
provenant de la conversion du signal numérique en eS
: signal analogique. Os efeitos do processador digital de efeitos h
3 perimétricos podem ser gravados? z
: « Les effets créés par le processeur numérique Sim: Nao: {C] 3
Hae d’ambiance peuvent-ils étre enregistrés? s
VIDEO2 OUT Oui: [A} {B] Non: [C} :
*When playing back a DAT tape, select VEDEO2 with the AUDIO FUNCTION selector
*Lors de ja tecture d’une cassette DAT, sélectionner VEDEO2 avec le sélecteur AUDIO FUNCTION.
*Para reproducir un cassete de cinta audio digital, elija VEDEO2 con el selector AUDIO FUNCTION.
*Quando da reprodugao de uma cassete no gravador DAT, posicione o selector AUDIO FUNCTION em VIDEO2.
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SOE DHS ARE PRE EO TARD EIT
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Bi siti DAN 0 RE ASAT SONA IL LAR EG CRA TEEN

Installation
TT Te newrrrenie EEE LORE STR CY
Siege AHO ES CBCP OM MINKE aay
@
Connecting
a
monitor
TV
Conexién
de
un
televisor
monitor
Connexion
d’un
moniteur
de
télévision
Ligagao
de
um
monitor/TV
Monitor
TV
Moniteur de télévision
Televisor monitor
Monitor/TV
a
het a
hod S
bod 4
a eo ;
a
y
x
VIDEO IN
<
SSS oe
© Connecting a DBS tuner or a Laser Disc player
Connexion d’un tuner DBS ou d’un lecteur de LD
Conexion
de
un
sintonizador
de
emisiones
via
satélite
o
de
un
reproductor
de
discos
laser
Ligagao
de
um
sintonizador
de
transmissoes
via
satélite
ou
leitor
de
disco
laser
«Laser
Disc»
(@)
For
the
equipment
without
an
optical
output/Pour
appareil
sans
sortie
optique/Para
un
equipo
desprovisto
de
salida
optica/Equipamentos
desprovidos
de
saida
Optica
DBS
tuner
or
Laser
Disc
player
a
Tuner
DBS
ou
lecteur
de
LD
a
Sintonizador
de
emisiones
via
satélite
o
reproductor
e
de
discos
laser
4
oe
Sintonizador
de
transmissoes
via
satélite
ou
fo
&
o
«Laser
Disc»
.
:
a
4
©)
For
the
equipment
with
an
optical
output/Pour
appareil
avec
sortie
optique/Para
equipos
provistos
de
salida
§
a
optica/Equipamentos
providos
de
saida
Optica
i
:
DBS
tuner
or Laser
Disc
player
Tuner
DBS
ou
lecteur
de
LD
Sintonizador
de
emisiones
via
satélite
o
reproductor
de
discos
laser
Sintonizador
de
transmissdes
via
satélite
ou
o
«Laser
Disc»
DIGITALIN:
4
Optical
cord
-
OPTICAL
DBS
4
Cable optique
Cable optico
Cabo optico
ecconneorreayornomeseereiensreny ay SDP-D905
SS eer — ee ere

Adjusting the Sound
SPEAKERS
HEADPHONES
Reinforcing the Bass eo
1 Press the DBFB button so that the indicator lights up.
2 Adjust the DBFB LEVEL control.
Co) alate]
a Desired Sound Setting
You can store and recall 3 different combinations of program
source, volume level, and sound quality.
Store the settings in the PROGRAM FUNCTION buttons 1 to
3 on the amplifier.
SPEAKERS
A
B
Selecting Speaker System 'D]
This amplifier provides for two speaker systems - system A
and system B - which can be selected separately or
simultaneously using the SPEAKERS selectors.
To drive speaker system A: Depress A.
To drive speaker system B: Depress B.
To drive both speaker systems A and B: Depress both A and
B.
For private listening: Connect a pair of headphones to
HEADPHONES and set both selectors to OFF (11).
+ Speaker systems A and B are series connected. No sound
can be heard if both SPEAKERS selectors are pressed
when only one speaker system is connected.
Select a source and play it.
Sélectionner une source et
la reproduire.
Seleccione una fuente y
péngala en reproduccién.
Seleccione uma fonte e a
execute.
VID
viQ
VIDEG3
Set to the desired sound quality by using the digital surround processor.
Régler la qualité du son souhaité avec le processeur numérique d’ambiance.
Ajuste la cualidad de sonido deseada empleando el procesador de sonido perimétrico
digital.
Ajuste a qualidade sonora desejada com o processador digital de efeitos perimétricos.
SELECT 10° MORE 10 PEASONAL FILE
a To [=] ) CURSOR CONTROL
2 Adjust to the desired
volume level.
Régler le niveau de volume
souhaitée.
Ajuste el nivel de volumen
deseado.
Ajuste o nivel de volume
desejado. |
OLUME
Store the setting.
Mémoriser je réglage.
Almacene el ajuste.
Armazene 0 ajuste.
a ae ee a
ae el ae
CURSOR MODE
PARAMETRIC EQUALIZER
FY F2
[=] oa oa
PRESENCE SURROUND
CONTROL 1 2 3 4 5 OFF
DYNAMIC SOUND
CONTROL COMPRESS EXPANDER LINEAR
Recalling a Sound Setting
Prepare the source and press the button for the desired
setting.
ott Bip edt dae Bt atl aA
PROGRAM FUNCTION
Se,
a
EFFECT LEVEL
= wnshrtitacieN tad baa
Note on step 1
/f you select the tuner ST-D905 as a source, the band and frequency
of the station tuned in will be stored.
Notes on steps 2
« Adjust the VOLUME control within such a range that the volume
level will not exceed half of the maximum volume.
e Be sure to set the VOLUME conirol to the position more than the
second point from the minimum level. Otherwise, the stored
setting will be recognized as the zero level.
> yee
i
;
4
TA- D905

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
| | >
| |
| | H O13 Ql2i
OVER LOAD DET -L.RMIX BUFFER
TEMP.
Reh | | | peTEcToR P-® PS.
| | Ic7I
| |
| & Rch
|
| | 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
Reh
Ty
J601
[HEAD
PHONES]
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

2-2. IC DESCRIPTION
IC401 System Controlle (yu PD75106CW- 190)
Pin Name Description
}
:
3 a meer eo
:
5 NC
NC
:
fe ee ras qurnasncon |
10 TST S
Snes
ideo).
ia) - =] =
oO
11 AUB-OUT Audio BUS output.
«
Mute signal output (video)
Rear speaker relay (RY901) ON/OFF
control output.
REAR~SP
Q
Ly ies)
Video image input/output select
control output (1C501).
Q
tt >
control output (1C502):
data latch output.
serial data output.
Audio input/output select (IC118)
data clock output.
Power terminal (+5V).
S
C
D
CL
Cc
NC
NC
NC
I
N
1
0
I
SW-OFF
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
ee lees audio input/output select
0-0 fein
PRESET 1 switch (S402) input.
PRESET 2 switch (S403) input.
I |SET switch (S401) input.
33
34
35
36
40 SET-K
4l A-SCN-3
42
|
A-SCN-2
Position
data
scan
output
of
audio
function switch.
System reset input.
Ceramic oscillator generator
circuit (4.19 MHz).
43 A-SCN-1
44 A-SCN-
>
o
>
ro) bat 3
od
3
elle td
4
Oo
> =
(o>) a oO
xX
= DOWN signal output of volume motor
48 VOL-DWN (RV801).
_ UP signal output of volume motor
NOEs OF (RY801).
i _ Position data scan output of video
ae NGSEPNS3 function switch
52 VF-LED
53 PST1-L
54 PST2-L
PRESET LED (D472) control output
55 PST3-L
PRESET LED (D473) control output
Motor DOWN signal output of audio
function switch (FC301)
Video function LED control output
Motor UP signal output of audio
function switch (FC301).
PRESET LED (D471) control output.
oO
58 VF-DW.
function switch (FC302)
function switch (FC302)
output.
output.
59 VF-UP
B |
| 1s)
ca
Z| 0 s
REAR-L
61 -L
62 VOL-L
63 DBFB~L
n
re
VSS
2
a ee