Sony STR-DG900 Service Manual ▷ View online
1
SERVICE MANUAL
Canadian Model
STR-DG900
MULTI CHANNEL AV RECEIVER
Amplifier section
Power Output
Stereo Power Output
1)
, Reference Power Output
1) 2)
8 ohms 20 Hz – 20 kHz, THD 0.09 %
100 W + 100 W, 110 W/ch
8 ohms 1 kHz, THD 0.7 %
110 W + 110 W, 120 W/ch
8 ohms 1 kHz, THD 10 %
125 W + 125 W, 150 W/ch
1) Measured under the following conditions:
Area code
Power requirements
120 V AC, 60 Hz
120 V AC, 60 Hz
2) Reference power output for front, center, surround
and surround back. Depending on the sound field
settings and the source, there may be no sound output.
settings and the source, there may be no sound output.
Frequency response
Analog
10 Hz – 70 kHz,
+0.5/–2 dB (with sound
field and equalizer bypassed)
+0.5/–2 dB (with sound
field and equalizer bypassed)
SPECIFICATIONS
Inputs
Analog
Sensitivity: 500 mV/
50 kohms
S/N
50 kohms
S/N
3)
: 96 dB
(A, 500 mV
4)
)
Digital (Coaxial)
Impedance: 75 ohms
S/N: 100 dB
(A, 20 kHz LPF)
S/N: 100 dB
(A, 20 kHz LPF)
Digital (Optical)
S/N: 100 dB
(A, 20 kHz LPF)
(A, 20 kHz LPF)
Output (Analog)
AUDIO OUT
Voltage: 500 mV/10 kohms
SUB WOOFER
Voltage: 2 V/1 kohm
Equalizer
Gain levels
±10 dB, 1 dB step
3) INPUT SHORT (with sound field and equalizer
bypassed).
4) Weighted network, input level.
Ver. 1.0 2006. 05
9-887-260-01
2006E04-1
© 2006. 05
Sony Corporation
Home Audio Division
Published by Sony Techno Create Corporation
Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic”, “Surround EX”, and the double-D
symbol are trademarks of Dolby Laboratories.
“DTS”, “DTS-ES”, “Neo:6”, and “DTS 96/24” are
trademarks of Digital Theater Systems, Inc.
This receiver incorporates High-Definition
Multimedia Interface (HDMI
“Dolby”, “Pro Logic”, “Surround EX”, and the double-D
symbol are trademarks of Dolby Laboratories.
“DTS”, “DTS-ES”, “Neo:6”, and “DTS 96/24” are
trademarks of Digital Theater Systems, Inc.
This receiver incorporates High-Definition
Multimedia Interface (HDMI
TM
) technology. HDMI,
the HDMI logo and High-Definition Multimedia
Interface are trademarks or registered trademarks of
HDMI Licensing LLC.
XM is a registered trademark of XM Satellite Radio
Inc.
Interface are trademarks or registered trademarks of
HDMI Licensing LLC.
XM is a registered trademark of XM Satellite Radio
Inc.
– Continued on next page –
Photo: Silver type
2
STR-DG900
FM tuner section
Tuning range
87.5 – 108.0 MHz
Intermediate frequency
10.7 MHz
Useable sensitivity
11.2 dBf, 1 µV/75 ohms
S/N
Mono/Stereo:
76 dB/70 dB
Harmonic distortion at 1 kHz
Mono/Stereo:
0.3%/0.5%
Separation
45 dB at 1 kHz
Frequency response
30 Hz – 15 kHz,
+0.5/–2 dB
+0.5/–2 dB
AM tuner section
Tuning range
With 10-kHz tuning scale: 530 – 1,710 kHz
5)
With 9-kHz tuning scale: 531 – 1,710 kHz
5)
Intermediate frequency
450 kHz
Usable sensitivity
50 dB/m (at 1,000 kHz or
999 kHz)
999 kHz)
5) You can change the AM tuning scale to 9 kHz or 10 kHz.
After tuning in any AM station, turn off the receiver. While
holding down CATEGORY – or CATEGORY +, press ?/
1. All preset stations will be erased when you change the
tuning scale. To reset the scale to 10 kHz (or 9 kHz), repeat
the procedure.
holding down CATEGORY – or CATEGORY +, press ?/
1. All preset stations will be erased when you change the
tuning scale. To reset the scale to 10 kHz (or 9 kHz), repeat
the procedure.
Video section
Inputs/Outputs
Video:
1 Vp-p, 75 ohms
S-video:
Y: 1 Vp-p, 75 ohms
C: 0.286 Vp-p, 75 ohms
C: 0.286 Vp-p, 75 ohms
COMPONENT VIDEO:
Y: 1 Vp-p, 75 ohms
P
P
B
/C
B
/B-Y: 0.7 Vp-p/
75 ohms
P
P
R
/C
R
/R-Y: 0.7 Vp-p/
75 ohms
80 MHz HD Pass Through
80 MHz HD Pass Through
General
Power requirements
Area code
Power requirements
120 V AC, 60 Hz
120 V AC, 60 Hz
Power consumption
Area code
Power consumption
360 VA
360 VA
Power consumption (during standby mode)
0.3 W
AC outlets
Area code
AC outlets
2 switched, 120 W/1A MAX
2 switched, 120 W/1A MAX
Dimensions (w/h/d) (Approx.)
430
×
157.5
×
351.5 mm
(16
7/8
×
6
2/8
×
13
7/8
inches) including
projecting parts and
controls
projecting parts and
controls
Mass (Approx.)
11.0 kg (24 lb 5 oz)
Supplied accessories
FM wire antenna (1)
AM loop antenna (1)
Remote commander RM-AAL002 (1)
R6 (size-AA) batteries (2)
Optimizer microphone ECM-AC2 (1)
AM loop antenna (1)
Remote commander RM-AAL002 (1)
R6 (size-AA) batteries (2)
Optimizer microphone ECM-AC2 (1)
Design and specifications are subject to change
without notice.
without notice.
3
STR-DG900
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE
WITH MARK
0
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 PUBLISHED BY SONY.
REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE
0
SUR LES
DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES
SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT.
NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES
SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL
OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT.
NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES
SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL
OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
MODEL IDENTIFICATION
— BACK PANEL —
Part No.
MODEL
PART No.
CND
2-666-932-9s
• Abbreviation
CND : Canadian model
ASSIGNABLE
(INPUT ONLY)
DVD
IN
COAXIAL
SA-CD/
CD
IN
OPTICAL
VIDEO 1
IN
TV/SAT
IN
MD/
TAPE
IN
MD/
TAPE
OUT
SIGNAL GND
DIGITAL
XM
ANTENNA
AM
TV/SAT
AUDIO IN
VIDEO IN
S-VIDEO
IN
DVD
AUDIO IN
VIDEO IN
S-VIDEO
IN
R
L
AUDIO
VIDEO
V
PHONO
IN
SA-CD/CD
L
R
L
R
MULTI CH IN
OUT
IN
L
R
FRONT
SURROUND
L
R
SURR
BACK
BACK
IN
MD/TAPE
ASSIGNABLE
IN 1
IN 2
MONITOR
OUT
HDMI
CN5003
JIG (J-2501-299-A)
NOTE OF HANDLING THE HDMI RE BOARD (Part
No. A-1193-890-A)
No. A-1193-890-A)
When the HDMI RE board is replaced by a repair for a fee, throw
away the HDMI RE board after obtaining consent of not returning
of the HDMI RE board to the customer. When throwing away the
HDMI RE board, be sure to throw away after destroying IC5004
and IC5005 physically with the hammer etc.
away the HDMI RE board after obtaining consent of not returning
of the HDMI RE board to the customer. When throwing away the
HDMI RE board, be sure to throw away after destroying IC5004
and IC5005 physically with the hammer etc.
UPDATE OF SOFTWARE OF THE HDMI
CONTROLLER (IC5006)
CONTROLLER (IC5006)
Connect:
Procedure:
1. Connect CN5003 on the HDMI RE Board with Jig (part no.: J-
1. Connect CN5003 on the HDMI RE Board with Jig (part no.: J-
2501-299-A) by using FFC. Connect Jig Board with PC by
using RS232 cross cable.
using RS232 cross cable.
2. Set the SW5002 of Jig Board HIGH side.
3. Activate SPECIAL MENU MODE by pressing ?/1 button to
3. Activate SPECIAL MENU MODE by pressing ?/1 button to
turn on the main power while holding [TUNING MODE] and
[INPUT MODE] button. The message “SPECIALIZED” appears.
[INPUT MODE] button. The message “SPECIALIZED” appears.
4. Use [TONE +/--] knob to select HDMI UPDATE OFF in
SPECIAL menu. Change “HDMI UPDATE OFF” to “HDMI
UPDATE ON” by using [TUNING +/--] knob.
UPDATE ON” by using [TUNING +/--] knob.
5. Push reset switch (SW5001) of the jig.
6. Boot the “FlashSta.exe” of update application distributed with
6. Boot the “FlashSta.exe” of update application distributed with
the manual.
7. Select “Baud rate=19200” and “Program_intervals=40”.
8. Select “Select Program=Internal flash memory” and
8. Select “Select Program=Internal flash memory” and
“RS232C=using com port”.
9. Click “Refer” and select mot file. Set “ID=FF FF FF FF FF FF
FF”.
10. Select “MCU Type=M16C/20 62”.
11. Click “E.P.R” to start update software.
12. To check the HDMI controller software version, use
11. Click “E.P.R” to start update software.
12. To check the HDMI controller software version, use
[TONE +/--] knob to select HDMI VER X.XX in SPECIAL menu.
4
STR-DG900
TABLE OF CONTENTS
1. GENERAL
Description and location of parts ............................................. 5
2. DISASSEMBLY
2-1. Case ..................................................................................... 8
2-2. Front Panel Section ............................................................. 9
2-3. Back Panel Section .............................................................. 9
2-4. DIGITAL Board ................................................................ 10
2-5. MAIN Board Section ........................................................ 10
2-6. STANDBY Board ............................................................. 11
2-2. Front Panel Section ............................................................. 9
2-3. Back Panel Section .............................................................. 9
2-4. DIGITAL Board ................................................................ 10
2-5. MAIN Board Section ........................................................ 10
2-6. STANDBY Board ............................................................. 11
3. TEST MODE
..................................................................... 12
4. DIAGRAMS
4-1. Block Diagram – Tuner/Audio Section – .......................... 13
4-2. Block Diagram – Digital Section – ................................... 14
4-3. Block Diagram – Video Section – ..................................... 15
4-4. Block Diagram – HDMI Section – .................................... 16
4-5. Block Diagram – XM Section – ........................................ 17
4-6. Block Diagram – Key/Display Section – .......................... 18
4-7. Block Diagram – Power Section – .................................... 19
4-8. Circuit Boards Location .................................................... 20
4-9. Printed Wiring Board – Main Section – ............................ 21
4-10. Schematic Diagram – Main Section (1/4) – ...................... 22
4-11. Schematic Diagram – Main Section (2/4) – ...................... 23
4-12. Schematic Diagram – Main Section (3/4) – ...................... 24
4-13. Schematic Diagram – Main Section (4/4) – ...................... 25
4-14. Printed Wiring Board – Digital Section (1/2) – ................ 26
4-15. Printed Wiring Board – Digital Section (2/2) – ................ 27
4-16. Schematic Diagram – Digital Section (1/5) – ................... 28
4-17. Schematic Diagram – Digital Section (2/5) – ................... 29
4-18. Schematic Diagram – Digital Section (3/5) – ................... 30
4-19. Schematic Diagram – Digital Section (4/5) – ................... 31
4-20. Schematic Diagram – Digital Section (5/5) – ................... 32
4-2. Block Diagram – Digital Section – ................................... 14
4-3. Block Diagram – Video Section – ..................................... 15
4-4. Block Diagram – HDMI Section – .................................... 16
4-5. Block Diagram – XM Section – ........................................ 17
4-6. Block Diagram – Key/Display Section – .......................... 18
4-7. Block Diagram – Power Section – .................................... 19
4-8. Circuit Boards Location .................................................... 20
4-9. Printed Wiring Board – Main Section – ............................ 21
4-10. Schematic Diagram – Main Section (1/4) – ...................... 22
4-11. Schematic Diagram – Main Section (2/4) – ...................... 23
4-12. Schematic Diagram – Main Section (3/4) – ...................... 24
4-13. Schematic Diagram – Main Section (4/4) – ...................... 25
4-14. Printed Wiring Board – Digital Section (1/2) – ................ 26
4-15. Printed Wiring Board – Digital Section (2/2) – ................ 27
4-16. Schematic Diagram – Digital Section (1/5) – ................... 28
4-17. Schematic Diagram – Digital Section (2/5) – ................... 29
4-18. Schematic Diagram – Digital Section (3/5) – ................... 30
4-19. Schematic Diagram – Digital Section (4/5) – ................... 31
4-20. Schematic Diagram – Digital Section (5/5) – ................... 32
4-21. Printed Wiring Boards
– Front A/B Speaker Section – .......................................... 33
4-22. Schematic Diagram
– Front A/B Speaker Section – .......................................... 34
4-23. Printed Wiring Board – Video Section (1/2) – .................. 35
4-24. Printed Wiring Board – Video Section (2/2) – .................. 36
4-25. Schematic Diagram – Video Section (1/2) – ..................... 37
4-26. Schematic Diagram – Video Section (2/2) – ..................... 38
4-27. Printed Wiring Board – Video (Audio) Section – ............. 39
4-28. Schematic Diagram – Video (Audio) Section – ................ 39
4-29. Printed Wiring Board – S-video Section – ........................ 40
4-30. Schematic Diagram – S-video Section – ........................... 40
4-31. Printed Wiring Board – HDMI Section (1/2) – ................. 41
4-32. Printed Wiring Boards – HDMI Section (2/2) – ............... 42
4-33. Schematic Diagram – HDMI Section (1/2) – .................... 43
4-34. Schematic Diagram – HDMI Section (2/2) – .................... 44
4-35. Printed Wiring Board – XM Section – .............................. 45
4-36. Schematic Diagram – XM Section – ................................. 46
4-37. Printed Wiring Boards – Panel Section – .......................... 47
4-38. Schematic Diagram – Panel Section – .............................. 48
4-39. Printed Wiring Board – Display Section – ........................ 49
4-40. Schematic Diagram – Display Section – ........................... 50
4-41. Printed Wiring Board – Power Section – .......................... 51
4-42. Schematic Diagram – Power Section – ............................. 52
4-24. Printed Wiring Board – Video Section (2/2) – .................. 36
4-25. Schematic Diagram – Video Section (1/2) – ..................... 37
4-26. Schematic Diagram – Video Section (2/2) – ..................... 38
4-27. Printed Wiring Board – Video (Audio) Section – ............. 39
4-28. Schematic Diagram – Video (Audio) Section – ................ 39
4-29. Printed Wiring Board – S-video Section – ........................ 40
4-30. Schematic Diagram – S-video Section – ........................... 40
4-31. Printed Wiring Board – HDMI Section (1/2) – ................. 41
4-32. Printed Wiring Boards – HDMI Section (2/2) – ............... 42
4-33. Schematic Diagram – HDMI Section (1/2) – .................... 43
4-34. Schematic Diagram – HDMI Section (2/2) – .................... 44
4-35. Printed Wiring Board – XM Section – .............................. 45
4-36. Schematic Diagram – XM Section – ................................. 46
4-37. Printed Wiring Boards – Panel Section – .......................... 47
4-38. Schematic Diagram – Panel Section – .............................. 48
4-39. Printed Wiring Board – Display Section – ........................ 49
4-40. Schematic Diagram – Display Section – ........................... 50
4-41. Printed Wiring Board – Power Section – .......................... 51
4-42. Schematic Diagram – Power Section – ............................. 52
5. EXPLODED VIEWS
5-1. Case Section ...................................................................... 68
5-2. Front Panel Section ........................................................... 69
5-3. Back Panel Section ............................................................ 70
5-4. Chassis Section ................................................................. 71
5-2. Front Panel Section ........................................................... 69
5-3. Back Panel Section ............................................................ 70
5-4. Chassis Section ................................................................. 71
6. ELECTRICAL PARTS LIST
........................................ 72