This receiver incorporates Dolby* Digital and Pro Logic Sur round and the DTS**
Digital Surround System.
* Manufa ctu red under lice nse from Dolby Lab oratories. Dolby, Pro Logic, a nd
the double -D symbol are t rademarks of Dolby Laborator ies.
** Manufact ured u nder license u nder U.S. Patent Nos: 5,956,674; 5,974,380;
This receiver incorporates High-Definit ion Multi media I nterface (H DMI™ )
technology. The ter ms HDM I and HDM I High-Definition Multimedia Interface,
and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing
LLC in the United States and other cou ntries.
iPhone, i Pod, iPod classic, i Pod nano, and iPod touch are t rademark s of Apple Inc.,
registered in the U.S. and ot her countries.
All other tra demarks and registered trademarks a re of their respe ctive holders. In
this manual, ™ and ® marks are not speci fied.
“Made for i Pod” and “ Made for i Phone” mean that an elect ronic accessory has
been designed to connect specifically t o iPod or i Phone, re spectively, and has been
certified by the developer to meet Apple performa nce standards.
Apple is not re sponsible for the operation of this device or its compliance with
safety an d reg ulat ory st andar ds. Pl ease no te th at th e use of t his a ccessor y wit h iPo d
or iPhone may affect wireless performa nce.
Windows Media is either a registered trademark or tra demark of Microsoft
Corporation i n the United States and/or other countries.
This product is protected by certain intellect ual property rig hts of Microsoft
Corporation. Use or distribution of such technology outside of this product is
prohibited without a license from M icrosof t or an authorized Microsoft subsidiary.
MPEG Layer-3 audio coding technology and patents licensed from Fraunhofer IIS
and Thomson.
“x.v.Color (x.v.Colour)” and “x.v.Color (x.v.Colour)” logo are tr ademarks of Sony
Corporation.
“BRAVIA” is a trademark of Sony Corporation.
“PlayStation” is a reg istered trademark of Sony Computer Entertainment Inc.
“WALKMA N” is a registered tradema rk of Sony Cor poration.
MICROVAULT is a trademark of Sony Corporation.
InstaPrevue™ is a trademark or registe red trademark of Silicon Image, Inc. in the
United States and other cou ntries.
US Model
Canadian Model
AEP Model
UK Model
Australian Model
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC DISTORTION:
(US model only)
With 6 ohm loads, both channels driven, from 20 – 20,000 Hz; rated 90
watts per channel minimum RMS power, with no more than 0.09% total
harmonic distortion from 250 milliwatts to rated output.
Amplifi er section
Power Output
Minimum RMS Output Power (6 ohms, 20 Hz – 20 kHz, THD 0.09%)
90 W + 90 W
Stereo Mode Output Power (6 ohms, 1 kHz, THD 1%)
105 W + 105 W
Surround Mode Output Power2) (6 ohms, 1 kHz, THD 0.9%)
145 W per channel
* Compatibility with all encoding/writing software, recording devices and
recording media cannot be guaranteed.
Transfer speed Full-speed
Supported USB device Mass Storage Class
Maximum current 500 mA
• Halogenated flame retardants are not used in the certain
printed wiring boards.
Abbreviation
AUS : Australian model
CND : Canadian model
2
STR-DH540
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety check before releasing the set to the customer:
Check the antenna terminals, metal trim, “metallized” knobs,
screws, and all other exposed metal parts for AC leakage.
Check leakage as described below.
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground and
from all exposed metal parts to any exposed metal part having a
return to chassis, must not exceed 0.5 mA (500 microamperes.).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A. Follow the manufacturers’ instructions to use these
instruments.
2. A battery-operated AC milliammeter. The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a
VOM or battery-operated AC voltmeter. The “limit” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples
of a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2 V AC range are suitable. (See
Fig. A)
To Exposed Metal
Parts on Set
AC
1.5 kΩ0.15 μF
Earth Ground
voltmeter
(0.75 V)
Fig. A. Using an AC voltmeter to check AC leakage.
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.
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.
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.
6. EXPLODED VIEWS
6-1. Case (Entry) Section ....................................................... 61
7. ELECTRICAL PARTS LIST .............................. 66
3
STR-DH540
Ver. 1.3
SECTION 1
SERVICING NOTES
MODEL IDENTIFICATION
–BACK PANEL–
ModelPart No.
US, Canadian
AEP, UK
Australian
UNLEADED SOLDER
Boards requiring use of unleaded solder are printed with the leadfree mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size)
: LEAD FREE MARK
Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40 °C higher than
ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350 °C.
Caution: The printed pattern (copper foil) may peel away if the
heated tip is applied for too long, so be careful!
• Strong viscosity
Unleaded solder is more viscous (sticky, less prone to fl ow) than
ordinary solder so use caution not to let solder bridges occur
such as on IC pins, etc.
• Usable with ordinary solder
It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.
Part No.
4-442-874-0[]
4-442-874-1[]
4-442-874-2[]
NOTE OF REPLACING THE IC3506 AND IC4100 ON
THE DIGITAL BOARD
IC3506 and IC4100 on the DIGITAL board cannot exchange with
single. When these parts on the DIGITAL board are damaged,
exchange the entire mounted board.
NOTE OF REPLACING THE COMPLETE DIGITAL
BOARD
When the COMPLETE DIGITAL BOARD is exchanged, please
perform the following procedures.
a) RESET MODEL AND DESTINATION SETTING
1. Press the [?/1] button to turn on the main power.
2. While pressing [DISPLAY] button, press and release the
[A.F.D.], [MOVIE], [MUSIC] button in order, the message
“SPECIALIZE” appears.
3. Press the [ M ] or [ m ] key of the remote commander, the
message “<SPECIAL>” appears.
4. Press the [
Special Menu List.
5. Press the [ M ] or [ m ] key of the remote commander to
select “MODEL&AREA” then press [ ] key of the remote
commander.
6. Press the [ M ] or [ m ] key of the remote commander to select
“MD.DST.UNFIX”, press [ ] key of the remote commander
for resetting the model and destination.
b) FIX MODEL AND DESTINATION
Please refer to “FIX MODEL AND DESTINATION MODE” in
page 12 for fi xing the model and destination of set.
] key of the remote commander to enter the
Note: Refer to SUPPLEMENT-1 for adding SERVICING NOTES
(TROUBLESHOOTING)
4
This set can be disassemble according to the following sequence.
Note:
SET
2-1. CASE (ENTRY)
(Page 5)
STR-DH540
SECTION 2
DISASSEMBLY
2-2. FRONT PANEL SECTION
(Page 6)
Follow the disassembly procedure in the numerical order given.
Note:
2-3. DCDC BOARD, STANDBY BOARD
(Page 7)
2-4. BACK PANEL SECTION
(Page 8)
2-5. MAIN BOARD SECTION
(Page 8)
2-6. MAIN BOARD
(Page 9)
2-1. CASE (ENTRY)
1 three screws
(B-TYPE 4 u 8)
4
3 three screws
(+BVTP 3 u 8)
4
2 three screws
(B-TYPE 4 u 8)
5 case (entry)
5
STR-DH540
2-2. FRONT PANEL SECTION
:LUHVHWWLQJ
pin, lead
heat sink
front side
USB WIRE INSULATION PC board
7 front panel section
5 CN391 (4P)
1 Wire is removed
from the pin, lead.
2 CN4000 (5P)
4 cushion (R)
3 wire (flat type) (25 core) (CN2101)
6 five screws
(+BVTP 3 u 8)
6
2-3. DCDC BOARD, STANDBY BOARD
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DCDC board
back panel
STR-DH540
Process so that lead wire
Note:
does not contact with
power cord.
Process so that lead wire
Note:
does not contact with
power transformer.
6 CN901 (2P)
qd four screws
(+BVTP 3 u 8)
qf STANDBY board
7 two screws
(+BVTP 3 u 8)
9 bracket, DCDC
8 two screws
(+BVTP 3 u 8)
2 cushion (R)
1 one screw
(+BVTP 3 u 8)
3 CN1500 (10P)
4 Wire is removed
from the pin, lead.
0 DCDC board
8 two screws
(+BVTP 3 u 8)
qs CN951 (2P)
qa CN953 (3P)
5 CN941 (4P)
7
STR-DH540
2-4. BACK PANEL SECTION
5 five screws
(+BVTP 3 u 8)
7 back panel section
2-5. MAIN BOARD SECTION
6 eight screws
(+BVTP 3 u 8)
3 wire (flat type) (25 core) (CN2014)
2 wire (flat type) (17 core) (CN2011)
1 wire (flat type) (25 core) (CN2015)
4 CN2004 (2P)
:LUHVHWWLQJ
rear side
pin, lead
5 USB WIRE INSULATION PC board
MAIN board
power transformer (T901)
6 two screws
(+BVTP 3 u 8)
4 one screw
(+BVTP 3 u 8)
1 Wire is removed
from the pin, lead.
7 two screws
(+BVTP 3 u 8)
8 MAIN board section
3 CNP930 (5P)
2 CNP920 (5P)
8
2-6. MAIN BOARD
Note: This illustration sees the MAIN board from back side.
3 heat sink section
1 Remove the
thirty solders.
STR-DH540
4 MAIN board
2 two screws
(+BVTP 3 u 8)
9
STR-DH540
SECTION 3
TEST MODE
TUNER AM STEP CHANGE MODE
(US and Canadian models only)
Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
Procedure:
1. Press the [
2.
Turn the [INPUT SELECTOR] knob to select the “AM TUNER”.
] button to turn on the main power.
?/1
3. Press the [?/1] button to turn off the main power.
4. While pressing the [TUNING MODE] button, press the [?/1]
button to turn on the main power.
5. Either the message “10K Step” or “9K Step” appears.
6. Repeat step (4) to select desired step.
VACUUM FLOURESCENT DISPLAY TEST MODE
All fl ourescent segments are tested.
When this test is activated, all segments light on at the same time,
then each segment lights on one after another.
Procedure:
While pressing [SPEAKERS] and [DIMMER] buttons simultaneously, press the [
] button to turn on the main power.
?/1
1. ALL segments light on.
HDMI ARC PARTY S.OPTIMIZER D.C.A.C.
USB BT UPDATE A.P.M.ZONE 2 3
COAX OPT
PLII x z NE O: 6 X D. R. C. D. L.L. EQ MEM RPT
True HD DTS-HD SPA+B ST
HDMI OUT
A + B
SLEEP
MHz
k Hz
dB
2. Press the [DISPLAY] button to confi rm display as below.
HDMI PARTYD.C.A.C.
USB UPDATE ZONE 3
OPT
True HD -HD A B
II z 6 D.R .C. MEM
ST
A + B
SLEEP
MHz
Hz
3. Press the [DISPLAY] button to confi rm display as below.
ARC S.OPTIMIZER
BT A.P.M. 2
COAX
PL x NEO: X D.L.L.RPT
DTS SP +
EQ
HDMI OUT
k
dB
A + B
4. Press the [DISPLAY] button, all segments light off.
SOUND FIELD CLEAR MODE
The preset sound fi eld is cleared when this mode is activated.
Use this mode before returning the product to clients upon completion of repair.
Procedure:
1. While pressing [MUSIC] button, press the [
] button to
?/1
turn on the main power.
2.
The message “S.F CLEAR” appears for a moment and initialization is performed.
SOFTWARE VERSION DISPLAY MODE
The software version is displayed.
Procedure:
1. While pressing [A.F.D.] and [PURE DIRECT] buttons simultaneously, press the [
] button to turn on the main power.
?/1
2. The message “H54 XXX” appears.
XXX: Area display
Each time the [DISPLAY] button is pressed, “SYS vX.XXX”,
“MAIN vX.XX”, “VIDEO vX.XX”, “OSD vX.XX” and
“SFLASHvX.XX” appear in this order, and returns to the
“H54 XXX” display.
X.XX: Software version
KEY CHECK MODE
Each button can be checked.
Procedure:
1. While pressing [SPEAKERS] and [PURE DIRECT] buttons
simultaneously, press the [
] button to turn on the main
?/1
power.
2. The message “REST 12” appears.
Every pressing of any button other than the [
?/1
] counts
down the buttons.
3. The buttons which are already counted once are not counted
again.
4. When all buttons are pressed, “REST 00” appears.
SWAP ALL MODE
The signal will be swap to all channels so that all speakers will
have sound output.
Procedure:
1. While pressing [PURE DIRECT] and [MOVIE] buttons
simultaneously, press the [
] button to turn on the main
?/1
power.
2. “SWAP MODE” appears.
INITIALIZE MODE
All preset contents are cleared when this mode is activated. Use
this mode before returning the product to clients upon completion
of repair.
(a) SHIPMENT MODE
Procedure:
1. While pressing [A.F.D.] and [DIMMER] buttons simultaneously, press the [
] button to turn on the main power.
?/1
2. The message “CLEARING” appears and the memories are
reset to the default values.
3. When done, the message “CLEARED !” appears, the set will
power off.
(b) ALL CLEAR INITIALIZE
Procedure:
1. While pressing [A.F.D.] and [DISPLAY] buttons, press the
[?/1] button to turn on the main power.
2. The message “CLEARING” appears and the memories are
reset to the default values.
3. When done, the message “CLEARED !” appears, the set will
power on.
(c) USER INITIALIZE
Procedure:
1. Hold the [
] button for 5 seconds.
?/1
2. The message “CLEARING” appears on the display.
3. After few seconds, “CLEARED !” appears.
PROTECTOR AUTO OFF
To disable auto off after protector occur.
Procedure:
1. While pressing [DISPLAY] and [MOVIE] buttons simultaneously, press the [
] button to turn on the main power.
?/1
2. “PROTEVER” appears and switch on the set.
DCAC TEST MODE
To test audio output from mic input and speakers.
Procedure:
1. While pressing [MUSIC] and [DIMMER] buttons simultaneously, press the [
] button to turn on the main power.
?/1
2. The message “MIC” appears.
MIC: mode that output audio from mic input
10
STR-DH540
HISTORY MODE
The state that the set is used is memorized.
Procedure:
1. While pressing [TUNING MODE] and [DISPLAY] buttons simultaneously, press the [
] button to turn on the power and
?/1
“HISTORY” is displayed.
2. Each time the [ M ] [ m ] key of remote commander is pressed,
the item is switched in order as follows.
ItemsDisplay
Protector Count C O U N T x x x
Total Power ON time T x x x x x H x x M
Main Power On M x x x x x H x x M
Protector type P R O T x x x x
Sound Field S N D F I E L D
Function F U N C T I O N
Input Mode I N P M O D E
Digital Select D I G S E L E C T
Stream S T R E A M I N F O
Channel Config C O N F x x x x x
Headphone H E A D P H x x x
Volume V O L : x x
Muting M U T I N G : x x
Bass B A S S x x x
Treble T R E B L E x x x
Front Level F x x x / x x x
Center Level C x x x / x x x
Surround Level S x x x / x x x
Temperature T E M P :
Total Power On T x x x x x H x x M
Main Power On M x x x x x H x x M
Power On Count R E B O X : x x
USB UPDATE TEST MODE
To update micontroller software through USB.
Procedure:
1. Plug in USB device in power off condition.
2. While pressing [TUNING MODE] and [PURE DIRECT]
buttons simultaneously, press the [?/1] button to turn on the
main power.
3. The message “UPDATING” appears.
4. If the updating progress succeeds, the message “COMPLETE”
appears.
5. If the updating progress fails, the message “ERROR” appears.
USB UPDATE VERSION MODE
Function that displays the version number to check whether USB
update is necessary or not.
Procedure:
1. While pressing [TUNING MODE] and [DIMMER] buttons,
press the [?/1] button to turn on the main power.
2. The message “VER X.XXX” is displayed. “X.XXX” is
calculated by adding all fi rmware version.
This mode is to fix the set for model & destination.
When turning on the set, the message below appears if the setting
is not fixed with its model or destination or both (model & destination).
ItemsDisplay
MODEL & AREA NOT
FIX
MODEL NOT FIX M O D E L. U N F I X
AREA/DESTINATION
NOT FIX
M D. D S T. U N F I X
D E S T. U N F I X
Procedure:
1. Press the [?/1] button to turn on the main power.
2. While pressing [DISPLAY] button, press and release the
[A.F.D.], [MOVIE], [MUSIC] button in order, the message
“SPECIALIZE” appears.
3. Press the [ M ] or [ m ] key of the remote commander, the
message “<SPECIAL>” appears.
4. Press the [
] key of the remote commander to enter the
Special Menu List.
5. Each time the [ M ] or [ m ] key of the remote commander is
pressed, the item is switched in order as follows.
ItemsDisplay
SYSTEM VERSION S Y S v X. X X X
MAIN VERSION M A I N v X. X X
VIDEO VERSION V I D E O v X. X X
OSD VERSION O S D v X. X X
DSP SFLASH1 VER S F L A S H v X. X X
MODEL setting M O D E L
DESTINATION setting D E S T I N Y
MODEL &
DESTINATION check
M O D E L & A R E A
6. Go to MODEL setting and press the [ ] key of remote
commander.
7. Either one of the message as below appears.
ItemsDisplay
Model not fix yet M O D E L. U N F I X
Model STR-H54 fix H 5 4 f i x
Model STR-H74 fix H 7 4 f i x
8. Press the [ M ] or [ m ] key of remote commander to set model
info as “H54 fi x” if message “MODEL UNFIX” appears.
9. Press the [ ] key of remote commander to select the model.
10. The message “MODEL” appears.
11. Go to DESTINATION setting and press the [
] key of
remote commander.
12. Either one of the display below appears according to the
destination of the set.
ItemsDisplay
Destination D E S T U N F I X
Destination UCA fix U C A f i x
Destination J fix J f i x
Destination TW fix T W f i x
Destination SP/CN fix C N f i x
Destination KR fix K R f i x
Destination E2/E3 fix C H 3 f i x
Destination CEL fix C E L f i x
Destination AU fix A U f i x
Destination SP fix S P f i x
Destination E51 fix E 5 1 f i x
Destination BR fix B R f i x
Destination AR fix A R f i x
Destination MX fix M X f i x
13. Press the [ M ] or [ m ] key of remote commander to set
destination info if message “DEST UNFIX” appears.
14. Press the [ ] key of remote commander to select the
destination.
15. The message “DESTINY” appear.
16. Go to MODEL & DESTINATION check and press the [ ]
key of remote commander.
17. Either one of the message as below appears.
ItemsDisplay
MODEL & AREA NOT FIX M D. D S T. U N F I X
MODEL NOT FIX M O D E L. U N F I X
DESTINATION NOT FIX D E S T. U N F I X
STR-H54 H 5 4 x x x
MODEL & DESTINATION
RESET
M D. D S T. U N F I X
xxx: Area display
18. Repeat step (6) onwards if message “MD.DST.UNFIX”
appears.
19. Repeat step (6) until step (9) and continue with step (16)
onwards if message “MODEL.UNFIX” appears.
20. Repeat step (13) onwards if message “DEST. UNFIX”
appears.
21. Set need to be reset and updated again if the message
appeared incorrectly.
22. Press the [ M ] or [ m ] key of remote commander goes to “MD.
DST.UNFIX”.
23. Press the [ ] key of remote commander.
24. The set will power off and then power on by itself.
25. Start the setting again from step (1) onwards.
26. Perform SHIPMENT MODE if the message appears correctly.
27. The set will be power off itself and can be used as normal by
pressing [?/1] button.
12
FM AUTO STOP CHECK
STR-DH540
SECTION 4
FM TUNER CHECK
generator
set
Procedure:
1. Turn on the set.
2. Input the following signal from Signal Generator to FM
antenna input directly.