Philips HTS3551 BD Schematic

1 - 1

HTS3551/12/51/55/78

©

Copyright 2011 Philips Consumer Electronics B.V. Eindhoven, The Netherlands

All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise
without the prior permission of Philips.

Published by RY_RL1115 Service Audio Printed in The Netherlands Subject to modification

BD Home Theater System

Version 1.2

TABLE OF CONTENTS

Location Of PCB Boards............................................ 1-2

Versions Variation ...................................................... 1-2

Measurement Setup .................................................. 1-6

Specifications ............................................................ 1-3

Service Aids .............................................................. 1-7

ESD & Safety Instruction .......................................... 1-8

Lead-free Soldering Information ................................ 1-9

Setting Procedure & Repair Instructions ...................... 2

Disassembly Instructions & Service Positions .............. 3

Block & Wiring Diagram ................................................ 4

Diagram Quick Strart Guide .......................................... 5

Main Board .................................................................... 6

Power Board .................................................................. 7

Service Manual

Service

Tfswjdf

Service

Tfswjdf

Service

BD Board........................................................................ 8

Key Board ...................................................................... 9

VFD Board .................................................................. 10

Mechanical Exploded View.......................................... 11

Revision List ................................................................ 12

GB

Chapter

3139 785 35712

1 - 2

LOCATION OF PCB BOARDS

VERSION VARIATION:

Type/Versions

Features

HTS3551

Output Power - 300W

Voltage (220~240V)

USB

Main Board

VFD Board

BD Board

Type/Versions

Board in used

HTS3551

Power Board

Key Board

C

C

Bd

/12

Bd

Bd

*Bd= Board Level Replacement
*C = Component Level Repair

/12

x
x

x

x

Music iLink

SERVICE SCENARIO MATRIX:

KEY PCB

VFD PCB

POWER PCB

MAIN PCB

BD PCB

/55

x
x

x

x

/51

x

x

x

x

/78

x
x

x

x

C

C

Bd

/51

C

C

C

C

Bd

/55

C

C

C

C

Bd

/78

C

C

1 - 3

SPECIFICATIONS

Audio formats

Your home theater supports the following audio

Extension Container Audio

codec

Bit rate

.mp3 MP3 MP3 32 kbps ~

320 kbps

.wma ASF WMA 64 kbps ~

160 kbps

.aac AAC AAC, HE-

AAC

192 kbps

.wav WAV PCM 1.4 Mbps
.m4a MKV AAC 192 kbps
.mka MKA PCM 27.648

Mbps
.mka MKA AC-3 640 kbps
.mka MKA DTS core 1.54 Mbps
.mka MKA MPEG 912 kbps
.mka MKA MP3 32 kbps ~

320 kbps
.mka MK A WMA 64 kbps ~

160 kbps
.mka MKA AAC, HE-

AAC

192 kbps

Media formats

• AVCHD, BD-RE, BD-Video, DVD-Video,

DVD+R /+RW, DVD-R/-RW, DVD+R/-R
DL, CD-R/CD-RW, Audio CD, Video CD/

DivX (Ultra)-CD, USB storage device

File formats

• Audio: .aac, .mka, .mp3, .wma, .wav

•

.mpg, .mpeg

• Picture: .jpg, .jpeg, .gif, .png

Video: .avi, .divx, .mp4, .mkv, .asf,

Video formats

• Resolution: 1920 x 1080 pixels at

• Frame rate: 6 ~ 30 frames per second.

Audio
codec

Video codec Bit rate

PCM,
AC-3,
DTS
core,
MP3,
WMA

DivX 3.11, DivX 4.x,
DivX 5.x, DivX 6.x

10 Mbps max

MPEG 1, MPEG 2 20 Mbps (peak

40 Mbps)
MPEG 4 ASP 10 Mbps max
H.264/AVC

HP@4.1/4.0;
MP@3.2/3.1/3.0

20 Mbps (peak

40 Mbps)

Audio
codec

Video codec Bit rate

PCM,
AC-3,
MP3,
WMA

DivX 3.11, DivX 4.x,
DivX 5.x, DivX 6.x

10 Mbps max

MPEG 1, MPEG 2 20 Mbps (peak

40 Mbps)

MPEG 4 ASP 10 Mbps max

Audio
codec

Video codec Bit rate

AC-3,
MPEG,
MP3,
AAC,
HE-AAC

MPEG 1, MPEG 220 Mbps (peak 40

Mbps)

MPEG 4 ASP 10 Mbps max
H.264/AVC

HP@4.1/4.0;
MP@3.2/3.1/3.0

20 Mbps (peak 40
Mbps)

WMV9 20 Mbps

1 - 4

Audio
codec

Video codec Bit rate

PCM,
AC-3,
MP3,
WMA

MPEG 4 ASP 10 Mbps max

H.264/AVC
HP@4.1/4.0;
MP@3.2/3.1/3.0

20 Mbps (peak 40
Mbps)

Audio
codec

Video codec Bit rate

PCM,
DTS core,
MPEG,
MP3

MPEG 1,
MPEG 2

20 Mbps (peak 40
Mbps)

MPEG 1,
MPEG 2

20 Mbps (peak 40
Mbps)

• Total output power: 300W RMS (30%

THD)

• Frequency response: 20 Hz-20 kHz / ±3 dB

• Signal-to-noise ratio: > 65 dB (CCIR) /

(A-weighted)

• Input sensitivity:

• AUX1, AUX2: 1000 mV (For: /12/51/78)

• AUX1, AUX2: 500 mV (For: /55)

•

Music i.Link: 500 mV (For: /12/51/78)

•

Music i.Link: 300 mV (For: /55)

Audio
codec

Video codec Bit rate

PCM,
AC-3,
DTS core,
MPEG,
MP3,
WMA,
AAC, HE­AAC

MPEG 1, MPEG 2 20 Mbps (peak

40 Mbps)

MPEG 4 ASP 10 Mbps max
H.264/AVC

HP@4.1/4.0;
MP@3.2/3.1/3.0

20 Mbps (peak
40 Mbps)

.asf les in ASF container

Video

•

Signal system: PAL / NTSC

•

HDMI output: 480i/576i, 480p/576p, 720p,
1080i, 1080p, 1080p24

Audio

•

Sampling frequency:

• MP3: 32 kHz, 44.1 kHz, 48 kHz

•

WMA: 44.1 kHz, 48 kHz

• Constant bit rate:

• MP3: 32 kbps - 320 kbps

• WMA: 48 kbps - 192 kbps

Radio

• Tuning range:

• Europe/China: FM 87.5-108 MHz (50

kHz)

•

87.5-108 MHz (50/100 kHz)

• Signal-to-noise ratio: FM 50 dB

• Frequency response: FM 180 Hz-12.5 kHz

/ ±3 dB

USB

•

Compatibility: Hi-Speed USB (2.0)

• Class support: USB Mass Storage Class

(MSC)

• File system: FAT16, FAT32, NTFS

• Maximum memory support: < 160 GB

Main unit

• Power supply: 220-240 V~, 50 Hz (For: /12/51/78)

• Power supply: 110-240 V~, 50-60 Hz (For: /55)

• Power consumption: 55 W

• Standby power consumption: ≤ 0.9 W

• Dimensions (WxHxD): 360 x 58 x 325 mm

• Weight: 2.7 kg

Subwoofer

• Total output power: 50W RMS (30% THD)

• Impedance: 12 ohm

• Speaker drivers: 165 mm (6.5”) woofer

• Frequency response: 20 Hz-150 Hz

• Dimensions (WxHxD): 123 x 309 x 369

(mm)

• Weight: 3.2 kg

• Cable length: 3 m

1 - 5

• Front/rear speakers:

• Total output power: 4 x 50W RMS

(30% THD)

• Speaker impedance: 3ohm

• Speaker drivers: 76.2 mm (3”) full

range

• Frequency response: 150 Hz-20 kHz

• Dimensions (WxHxD): 95 x 161 x 87

mm

• Weight: 0.4 ~ 0.5 kg/ each

• Cable length (front speakers): 4 m

• Cable length (rear speakers): 10 m

Remote control batteries

•

2 x AAA-R03-1.5 V

Laser

•

Laser Type (Diode): InGaN/AIGaN (BD),
AIGaInP (DVD/CD)

•

Wave length: 405 +7 nm/-7 nm (BD), 655
+10 nm/-10 nm (DVD), 790 +10 nm/-20
nm (CD)

• Output power (Max. ratings): 20 mW (BD),

6 mW (DVD), 7 mW (CD)

Speakers

• Center speaker:

• Total output power: 50W RMS (30%

THD)

• System: full range satellite

•

Speaker impedance: 3 ohm

•

Speaker drivers: 76.2 mm (3”) full
range

•

Frequency response: 150 Hz-20 kHz

• Dimensions (WxHxD): 161 x 95 x 92

mm

• Weight: 0.4 ~ 0.5 kg

• Cable length: 2 m

Speci cations subject to change without
prior notice.

1 - 6

LEVEL METER

e.g. Sennheiser UPM550

with FF-filter

S/N and distortion meter

e.g. Sound Technology ST1700B

L

R

DUT

CD

Use Audio Signal Disc
(replaces test disc 3)

SBC429 4822 397 30184

Bandpass

250Hz-15kHz

e.g. 7122 707 48001

LF Voltmeter

e.g. PM2534

DUT

RF Generator

e.g. PM5326

S/N and distortion meter

e.g. Sound Technology ST1700B

Use a bandpass filter to eliminate hum (50Hz, 100Hz) and disturbance from the pilottone (19kHz, 38kHz).

Ri=50

Tuner FM

MEASUREMENT SETUP

1 - 7

Service Tools:

Universal Torx driver holder .................................4822 395 91019

Torx bit T10 150mm ...........................................4822 395 50456

Torx driver set T6-T20 .........................................4822 395 50145

Torx driver T10 extended .....................................4822 395 50423

Compact Disc:

SBC426/426A Test disc 5 + 5A ...........................4822 397 30096

SBC442 Audio Burn-in test disc 1kHz .................4822 397 30155

SBC429 Audio Signals disc .................................4822 397 30184

Dolby Pro-logic Test Disc ....................................4822 395 10216

SERVICE AIDS

HANDLING CHIP COMPONENTS

1 - 8

NL

WAARSCHUWING

Alle IC’s en vele andere halfgeleiders zijn
gevoelig voor electrostatische ontladingen
(ESD).
Onzorgvuldig behandelen tijdens reparatie kan
de levensduur drastisch doen verminderen.
Zorg ervoor dat u tijdens reparatie via een
polsband met weerstand verbonden bent met
hetzelfde potentiaal als de massa van het
apparaat.
Houd componenten en hulpmiddelen ook op
ditzelfde potentiaal.

I

AVVERTIMENTO

Tutti IC e parecchi semi-conduttori sono
sensibili alle scariche statiche (ESD).
La loro longevità potrebbe essere fortemente
ridatta in caso di non osservazione della più
grande cauzione alla loro manipolazione.
Durante le riparazioni occorre quindi essere
collegato allo stesso potenziale che quello della
massa dell’apparecchio tramite un braccialetto
a resistenza.
Assicurarsi che i componenti e anche gli utensili
con quali si lavora siano anche a questo
potenziale.

GB

Safety regulations require that the set be restored to its original
condition and that parts which are identical with those specified,
be used.

Safety components are marked by the symbol

!

.

NL

Veiligheidsbepalingen vereisen, dat het apparaat bij reparatie in
zijn oorspronkelijke toestand wordt teruggebracht en dat onderdelen,
identiek aan de gespecificeerde, worden toegepast.

De Veiligheidsonderdelen zijn aangeduid met het symbol

!

.

F

Les normes de sécurité exigent que l’appareil soit remis à l’état
d’origine et que soient utiliséés les piéces de rechange identiques
à celles spécifiées.

Less composants de sécurité sont marqués

!

.

D

Bei jeder Reparatur sind die geltenden Sicherheitsvorschriften zu
beachten. Der Original zustand des Geräts darf nicht verändert werden;
für Reparaturen sind Original-Ersatzteile zu verwenden.

Sicherheitsbauteile sind durch das Symbol

!

markiert.

I

Le norme di sicurezza esigono che l’apparecchio venga rimesso
nelle condizioni originali e che siano utilizzati i pezzi di ricambio
identici a quelli specificati.

Componenty di sicurezza sono marcati con

!

.

GB

After servicing and before returning set to customer perform a leakage
current measurement test from all exposed metal parts to earth ground
to assure no shock hazard exist, The leakage current must not
exceed 0.5mA.

CLASS 1

LASER PRODUCT

3122 110 03420

GB

Warning !

Invisible laser radiation when open.
Avoid direct exposure to beam.

S

Varning !

Osynlig laserstrålning när apparaten är öppnad och spärren
är urkopplad. Betrakta ej strålen.

SF

Varoitus !

Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiina
näkymättömälle laserisäteilylle. Älä katso säteeseen!

GB

WARNING

A

ll ICs and many other semi-conductors are
susceptible to electrostatic discharges (ESD).
Careless handling during repair can reduce life
drastically.
When repairing, make sure that you are
connected with the same potential as the mass
of the set via a wrist wrap with resistance.
Keep components and tools also at this
potential.

F

ATTENTION

Tous les IC et beaucoup d’autres
semi-conducteurs sont sensibles aux
décharges statiques (ESD).
Leur longévité pourrait être considérablement
écourtée par le fait qu’aucune précaution n’est
prise à leur manipulation.
Lors de réparations, s’assurer de bien être relié
au même potentiel que la masse de l’appareil et
enfiler le bracelet serti d’une résistance de
sécurité.
Veiller à ce que les composants ainsi que les
outils que l’on utilise soient également à ce
potentiel.

ESD

D

WARNUNG

Alle ICs und viele andere Halbleiter sind
empfindlich gegenüber elektrostatischen
Entladungen (ESD).
Unsorgfältige Behandlung im Reparaturfall kan
die Lebensdauer drastisch reduzieren.
Veranlassen Sie, dass Sie im Reparaturfall über
ein Pulsarmband mit Widerstand verbunden
sind mit dem gleichen Potential wie die Masse
des Gerätes.
Bauteile und Hilfsmittel auch auf dieses gleiche
Potential halten.

DK

Advarse !

Usynlig laserstråling ved åbning når sikkerhedsafbrydere er
ude af funktion. Undgå udsaettelse for stråling.

F

"Pour votre sécurité, ces documents doivent être utilisés par
des spécialistes agréés, seuls habilités à réparer votre
appareil en panne".

GB

ESD PROTECTION EQUIPMENT

Complete Kit ESD3 (small tablemat, wristband,

connection box, estention cable and earth cable ....... 4822 310 10671

Wristband tester ................................................................. 4822 344 13999

1 - 9

Pb(Lead) Free Solder

When soldering , be sure to use the pb free solder.

INDENTIFICATION:

Regardless of special logo (not always indicated)

onemusttreatall sets from1 Jan 2005 onwards,according
next rules:

Important note: In fact also products of year 2004 must
be treated in this way as long as you avoid mixing solder­alloys (leaded/ lead-free). So best to always use SAC305
and the higher temperatures belong to this.

Due to lead-free technology some rules have to be
respected by the workshop during a repair:

• Use only lead-free solder alloy Philips SAC305 with

order code 0622 149 00106. If lead-free solder-paste
is required, please contact the manufacturer of your
solder-equipment. In general use of solder-paste
within workshops should be avoided because paste is
not easy to store and to handle.

• Use only adequate solder tools applicable for lead-

free solder alloy. The solder tool must be able
– To reach at least a solder-temperature of 400@C,
– To stabilize the adjusted temperature at the solder-

tip

– To exchange solder-tips for different applications.

• Adjust your solder tool so that a temperature around

360@C – 380@C is reached and stabilized at the solder
joint. Heating-time of the solder-joint should not exceed
~ 4 sec. Avoid temperatures above 400@C otherwise
wear-out of tips will rise drastically and flux-fluid will
be destroyed. To avoid wear-out of tips switch off un­used equipment, or reduce heat.

• Mix of lead-free solder alloy / parts with leaded solder

alloy / parts is possible but PHILIPS recommends
strongly to avoid mixed solder alloy types (leaded and
lead-free).
If one cannot avoid or does not know whether product
is lead-free, clean carefully the solder-joint from old
solder alloy and re-solder with new solder alloy
(SAC305).

• Use only original spare-parts listed in the Service-

Manuals. Not listed standard-material (commodities)
has to be purchased at external companies.

• Special information for BGA-ICs:
– Always use the 12nc-recognizable soldering

temperature profile of the specific BGA (for de­soldering always use the lead-free temperature profile,
in case of doubt)

– Lead free BGA-ICs will be delivered in so-called ‘dry-

packaging’ (sealed pack including a silica gel pack) to
protect the IC against moisture. After opening,

dependent of MSL-level seen on indicator-label in the
bag, the BGA-IC possibly still has to be baked dry.
(MSL=Moisture Sensitivity Level). This will be
communicated via AYS-website.
Do not re-use BGAs at all.

• For sets produced before 1.1.2005 (except products

of 2004), containing leaded solder-alloy and
components, all needed spare-parts will be available
till the end of the service-period. For repair of such
sets nothing changes.

• On our website www.atyourservice.ce.Philips.com

you find more information to:

• BGA-de-/soldering (+ baking instructions)

• Heating-profiles of BGAs and other ICs used in
Philips-sets

You will find this and more technical information
within the “magazine”, chapter “workshop news”.

For additional questions please contact your local
repair-helpdesk.

2 - 12 - 1

Software upgrade & Procedure to restore product setting

1) Restore factory setting

a) Press “ ” <Home> button on R/C.

b) Select <Setup>, then press “OK” button on R/C.

c) Select <Advanced>, then press < OK > button on R/C.

d) Select <Restore default settings>,then press <OK> to con rm.

2) Password change

a) Press “

” <Home> button on R/C.

b) Select <Setup>, then press “OK” button on R/C.

c) Select <Preference>, then press <OK> button on R/C.

d) Select <Change Password> <Confirm>, then press <OK> button

on R/C.

“0000” is default password supplied.

3) Trade mode

a) In open model,press “

” <Home> button on R/C.

b) Press “2” “5” “9” on R/C,VFD will display “TRA ON” or “TRA

OFF”.

4) Check software version

a) Press “

” <Home> button on R/C

b) Select <Setup>, then press <OK> button on R/C.

c) Select <Advanced> <Version Info.>,then press <OK> button on

R/C.

d) TV will show message as follow:

Model:HTS3551/12/51/55/78
Versions:
System SW:X.XX.XX
Subsystem SW:XX-XX-XX-XX
Ethernet MAC:XX:XX:XX:XX:XX:XX
For more information,frequently asked questions and
software updates,please visit
philips.com/support

Close

e) Select <Close> on the version display screen and press <OK>

button to exit .

5) Upgrading new software

Method 1: Update software from a USB storage device

a) Create a folder named “UPG_ALL” in your USB storage device,

and Copy the latest upgrading software into the folder.

b) Connect the USB storage device to the home theater.

c) Press “

” <Home> button on R/C, and select <Setup>.

d) Select <Advanced> <Software Update> <USB>.

e) TV will show message as follow:

Now searching for upgrade software!
Please wait...!

Software updates for this player have been found. Do you want to
upgrade?

Cancel

Start

f) Select <Start>, press <OK> button on R/C.

Software upgrade will take 5 minutes

Do not switch off!

Package version: 000025.0

Software BE 80%

Software FE Completed

Software MCU1:

Software Dock:

Software MCU3:

Software upgrade will take 5 minutes

Do not switch off!

Package version: 000025.0

Software BE Completed

Software FE Completed

Software MCU1: Not started

Software Dock: 2%

Software MCU3: Not started

Software upgrade will take 5 minutes

Do not switch off!

Package version: 000025.0

Software BE Completed

Software FE Completed

Software MCU1: 1%

Software Dock: Failed

Software MCU3:

g)The set will shut down automatically when the software upgrade
is completed.

Method 2: Update software from the internet

Note: To check for new updates, compare the current software
version of your home theater with the latest software version (if
available) on the Philips web site, and for BD-Live application and
software update, make sure that the network router has access to
the Internet and the firewall is disabled.
a) The “LAN” jack at the back panel of the set must be connect to
the network router via network cable and the set connect to TV,

Prepare the connection as shown follow:

b) Press “

” <Home> button on R/C, and select <Setup>.

c) Select <Advance Setup> <Software Update> <Network>.

d) TV will show message as follow:

Now searching for upgrade software!
Please wait...!

Software updates for this player have been found. Do you want to
upgrade?

Cancel

Start

e) Select <Start>, press <OK> button on R/C.

www

LAN

/NI IMDH

CRA IMDH

Software upgrade will take 5 minutes

Do not switch off!

Package version: 000025.0

Software BE 80%

Software FE Completed

Software MCU1:

Software Dock:

Software MCU3:

2 - 22 - 2

f) The set will shut down automatically when the software upgrade
is completed.

6) How to replace the defective Blu-ray Loader

a) Remove the defective Blu-ray Loader.

b) Remove the shield cover at the top of Blu-ray Loader as shown

below.

c) Assembly Blu-ray Loader to connect “J509”,”J507”,”HA801” on

the top of BD Board as shown below.

IB912

K618

K61:

d) Remove soldered joint on the ESD protection points.

Note: The 2 ESD protection points on any one side must be

soldered if

o the Blu-ray Loader is OK and needs to be disconnected

from connector J509, J507 and HA801 of the BD Board.

o the defective Blu-ray Loader is needed to be send back to

supplier for failure analysis and to support backcharging evidence.

7) Produce to change Tuner grid (only for /51 version)

In some countries, you can switch the FM tuning grid between 50

kHz and 100 kHz. Changing the tuning grid erases all preset radio

stations.

a) Press<Radio> button on R/C

b) Press <Stop> button on R/C.

c) Press and hold <Play> until (50 kHz) or (100 kHz) is displayed.

Note: repeaing the same action will toggle back to it previous

tunning grid setting.

Top side view of OPU

Bottom side view of OPU

The ESD protection points
on the top of board

CAUTION!
This information is confi dential and may not be

distributed.Only a qualifi ed service person should
reprogram the Region Code.

Software upgrade will take 5 minutes

Do not switch off!

Package version: 000025.0

Software BE Completed

Software FE Completed

Software MCU1: Not started

Software Dock: 2%

Software MCU3: Not started

Software upgrade will take 5 minutes

Do not switch off!

Package version: 000025.0

Software BE Completed

Software FE Completed

Software MCU1: 1%

Software Dock: Failed

Software MCU3:

The ESD protection points
on the top of board

8) OSD Language setup (only for 51 version)

a) Press “ ” <Home> button on R/C.

b) Select <Setup>, then press “OK” button on R/C.

c) Select <Preference>, then press <OK> button on R/C.

d) Select <Menu language>, then press <OK> button on R/C.

C) Select <English>, then press <OK> button on R/C.

2 - 32 - 3

REPAIR INSTRUCTIONS-part one

HTS3551REPAIR CHART

A

All fuction

is not working

B

Power supply

is not working

C

All function

is not sound

D

Key board

is not function

AUX in is

not sound

EF

MP3 in is
not sound

G

Coaxial in

is not sound

I

Tuner is

not sound

H

Optical in

is not sound

A

Check all system

all cable is loose

or bad INT

Panel stanby LED

show working or Not

Re-insert and x

the cable

Check back power PCB
F9 1 bad cause damage

Change F901

Check RB904 pin11 CN40 1

Pin11 approx 3.3V

Check IC101.Q 106
And Its Conjoint parts

Check +3.3V power

supply circuit

Check RB904 pin4 CN401

Pin4 approx +5V

Check repair switch
power circuit ( See B)

Check all Voltage

3.3V and 1.8V
give circuit

Check IC209 Pin238 pin239

OSC frequency 27MHz)

Repair main pcb between

IC103 IC201 IC 204
And Its Conjoint parts

YE S

NO

NO

BAD

NO

OK

YES

WORK

NO

CORRE CT

YE S Y ES

All fuction

is not working

Check repair control
PCB Standby circuit

NO

Power supply
is not working

B

All Voltage

No Output

Check F901

Bad Cause Damage

Check BK 3V3

Working or Not

No

YE S

No

+31.5V Voltage

No Output

Check Repair IC901 Q902
IC906 And Its conn circuit

-27V Vo ltage
No Output

+12V Voltage

No Output

+5V Voltage

No Output

Check Q902 IC 905 D916

And Its Conjoint Part

Check D908 Q914

And Its Conjoint Part

Check D912 Q910

And Its Conjoint Part

Check D911 Q907
And Its Conjoint Part

No

BK 3V3 Vo ltage

No Output

Check IC906

And Its Conjoint Part

Check POWE R IC

Voltage +29V

Yes

See Contents B

Check IC721 R 433
And Its Conjoint Part

Yes

No

Check IC 40 1 Pin9/15

Pin36/54 Voltage +3.3v

OK

No

All function
is not sound

Check IC602

And Its Conjoint Part

OK

No

Check IC601 Pin Vo ltage

Pin17/18 osc frequency 27MHz)

Check IC601

And Its Conjoint Part

Check Power ic

Voltage 12V

Check FB9093 FB 9901

Pin 1,21,22,23,44

YE S

OK

And Its Conjoint Part

C

Coaxial in

is not sound

INT

OK

Check JK102

INT OR NO

REPA IR ok

REPA IR ok

No

OK

Check L209 C133

G

Check L151/L152

OK

Check IC151 Pi n3 /19/22

No

See C

approx +3.3V

Yes or No

Optical in

is not sound

INT

OK

Check JK103

INT OR NO

REPA IR ok

Check And Repair

R128

No

Check R127 C136

OK

Check JK103 pin1

approx +3.3V

OK

H

Check L151/L152

OK

Check IC151 Pi n3 /19/22

No

See C

approx +3.3V

f=12MHz

Yes or No

Tuner is

not sound

Check CN101 Pin4= +5V

Check TUNER PACK

No

Check IC171 And

Check CN3 1 Pin5(SC L)

No

I

Check L151/L152

OK

Check IC151 Pi n3 /19/22

See C

approx +3.3V

And Its Conjoint Parts

Its Conjoint Parts

Arm Correct

Yes

OK

Pin6(SDA). Pin9 (T U_C E )

Key board

is not function

Check IC1 Pi n17

Voltage approx +3.3V

YE S

OK

Check the cable connect

CN701 loose or bad INT

Check R20

And Its Conjoint parts

No

Check IC1 Pi n9(DAT )

OK

Check R21.R 22 And

Their Conjoint Parts

No

Check IC1

OK

D

Re-insert and x

the cable

Check IC1 Pin18(CLK)

And Their Conjoint Parts

Check JK101

Check IC171 Pin5/36/46

INT or No

approx +3.3V Pin14 approx

Check L204/L205/FB9904

Check L151/L152

Change this jk101

OK

No

OK

Check IC151 Pi n3 /19/22

Yes

INT

No

See C

approx +3.3V

E

+5.0V Yes or No

AUX in is

not sound

Check JK602

INT or No

Change this jk602

OK

INT

F

Check IC171 Pin5/36/46

approx +3.3V Pin14 approx

Check L2 4/L2 5/FB 9904

Check L151/L152

OK

Check IC151 Pi n3 /19/22

Yes

No

See C

approx +3.3V

+5.0V Yes or No

MP3 in is
not sound

2 - 42 - 4

REPAIR INSTRUCTIONS-part two

MAIN UNIT REPAIR CHART

HTS3551 BD Board Repair block diagram(MT8550)

A

BD function is not working

B

Loading is not DISC

C

All video is not output

D

Ethernet is not starting

BD function is not working

A

Check CN4 cable is loose

or bad INT

Check 1.1V 1.2V 1.5V

Yes or No output

Re-insert and x

the cable

YES

NO

NO

Repair BD pcb between

L1 U1 L2 U2 U4 circuit

Check 3.3V

Yes or No output

YES

NO

Repair BD pcb between

U3 R10 ci rcuit

Check Y301 Crysta l 27MHz

Yes or No output

YES

NO

Repair BD pcb between

Y301 U100 Circuit

Check U100 U203

U104 and connect part

YES

Ethernet is not starting

D

Check P401 loose

or bad INT

Check P503 between L401

supersession P401

YE S

NO

INT

Repair P401between L401 U100

and U100

Loading is not DISC

B

Check Y301 crystal

27MHz Freq Yes or NO

supersession 27MHz crystal

NO

YES

OK

Check U203 U104
and connect part

YES

Check BD Loader run

Yes or NO

supersession Loader

NO

Check HA801 t o

BD loader Cable Loose

No

OK

Check Open/Close

Working or Not

Check J507J509 J508

Check U9

And Its conjoint parts

No

Re-Insert and x

the cable

YES

Determine Picture Output

OK

Check U100 And

Their Conjoint Parts

No

Check U900 U901 Q802 Q804

OK

to BD Loader Cable loose

or Bad INT

or Bad INT

YES

Yes or No

Q805 And Their Conjoint Parts

All video is not output

C

Check J300 P502 is

loose or bad

supersession JACK

Re-insert and x

the JACK

loose

Bad

Check J300 P502

between U100

OK