Philips HTS3371 Schematic
1 - 1
Service
Service
DVD Home Theater System
HTS3371/94
Service
Service
Service
Service Manual
TABLE OF CONTENTS
Location of PCB Boards ............................................ 1-2
Versions Variation ...................................................... 1-2
Specifications ............................................................ 1-3
Measurement Setup .................................................. 1-4
Service Aids .............................................................. 1-5
ESD & Safety Instruction .......................................... 1-6
Lead-free soldering Information ................................ 1-7
Setting procedure & Repair Instructions........................ 2
Disassembly Instructions & Service positions .............. 3
Block & Wiring Diagram ................................................ 4
DISP+LED+VOL Board.................................................. 5
MAIN+Y.U.V Board........................................................ 6
Power Board .................................................................. 7
MP3 IN+MIC Board........................................................ 8
Mechanical Exploded View & Part List .......................... 9
Revision List ................................................................ 10
©
Copyright 2009 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 RY0941 Service Audio Printed in The Netherlands Subject to modification
Chapter
GB
3139 785 35160
Version 1.0
LOCATION OF PCB BOARDS
LED PCB
1 - 2
Y.U.V PCB
MAIN PCB
DISPLAY PCB
VERSION VARIATION:
Type/Versions
Features
Output Power - 1000W
Voltage (220-240V)
POWER PCB
VOLUME PCB
MP3 IN & MIC PCB
HTS3371
/94
x
x
SERVICE SCNARIO MATRIX:
Type/Versions
Board in used
MAIN+Y.U.V Board
Power Board
DISP+LED+VOL Board
MP3 IN+MIC Board
*C = Component Level Repair
HTS3371
/94
C
C
C
C
SPECIFICATIONS
Playback media
DVD-Video, DVD+R/+RW, DVD-R/-RW, DVD+R DL, CDR/CD-RW, AudioCD, Video CD/SVCD, Picture CD, MP3-CD,
WMA-CD, DivX-CD, USB ash drive
Amplifier
Total output power .....................................................................
Home theatre mode ............................ 1000 W RMS (6 X 167)
Frequency response ..........................................40 Hz ~ 20 kHz
Signal-to-noise ratio ..................................> 60 dB (A-weighted)
Input sensitivity ..........................................................................
............................................................................AUX1: 400 mV
............................................................................AUX2: 400 mV
MP3 LINK ...................................................................... 250 mV
Disc
Laser Type ......................................................... Semiconductor
Disc diameter ...........................................................12cm / 8cm
Video decording ................ MPEG1/ MPEG2 / DivX / DivX Ultra
Video DAC ...................................................... 12 bits, 108 MHz
Signal system .........................................................PAL / NTSC
Video S/N .........................................................................56 dB
Audio DAC .........................................................24 bits / 96 kHz
Frequency response ..................................................................
............................................................ 4 Hz - 20 kHz (44.1 kHz)
............................................................... 4 Hz - 22 kHz (48 kHz)
............................................................... 4 Hz - 44 kHz (96 kHz)
PCM .......................................................................... IEC 60958
Dolby Digital .......................................... IEC 60958, IEC 61937
DTS ....................................................... IEC 60958, IEC 61937
1 - 3
Speakers
System ........................................................... full range satellite
Speaker impedance ..............4 ohm (centre), 4 ohm (front/rear)
Speaker drivers .........................................................................
Centre/front/rear .................................................... 3” full range
Frequency response ........................................150 Hz ~ 20 kHz
Dimensions (WxHxD) ................................................................
Centre .................................................... 244 x 103 x 74 (mm)
Front/rear ............................................... 103 x 203 x 71 (mm)
Weight .......................................................................................
Centre .......................................................................... 0.85 kg
Front ............................................................................ 0.58 kg
Rear ............................................................................. 0.55 kg
Subwoofer
Impedance ....................................................................... 4 ohm
Speaker drivers .......................................165 mm (6.5”) woofer
Frequency response ..........................................40 Hz ~ 150 Hz
Dimensions (WxHxD) ............................. 163 x 363 x 369 (mm)
Weight ............................................................................. 4.7 Kg
Laser speci cation
Type .....................................Semiconductor laser GaAIAs (CD)
Wave length .............................................. 645 - 665 nm (DVD),
......................................................................770 - 800 nm (CD)
Output power ....................................................... 6 mW (DVD),
.........................................................................7 mW (VCD/CD)
Beam divergence .................................................... 60 degrees.
Speci cations subject to change without prior notice.
Radio
Tuning range ...........................FM 87.5-108 MHz (50/100 kHz)
26 dB quieting sensitivity ........................................... FM 22 dBf
IF rejection ratio ..........................................................FM 60 dB
Signal-to-noise ratio ....................................................FM 50 dB
Harmonic distortion .........................................................FM 3%
Frequency response ........................ FM 180 Hz~10 kHz / ±6dB
Stereo separation .......................................... FM 26 dB (1 kHz)
Stereo Threshold ........................................................ FM 29 dB
USB
Compatibility ...............................................Hi-Speed USB (2.0)
Class support .............................................................................
............................................... UMS (USB Mass Storage Class)
File system ............................................FAT12, FAT16, FAT32
Main Unit
Power supply .................................220-240V;~50Hz switchable
Power consumption ......................................................... 180 W
Standby power consumption ........................................... < 1 W
Dimensions (WxHxD) ............................... 360 x 57 x 331 (mm)
Weight ........................................................................... 3.01 kg
MEASUREMENT SETUP
Tuner FM
1 - 4
Bandpass
LF Voltmeter
e.g. PM2534
RF Generator
e.g. PM5326
DUT
250Hz-15kHz
e.g. 7122 707 48001
Ri=50
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).
CD
Use Audio Signal Disc
(replaces test disc 3)
DUT
SBC429 4822 397 30184
L
R
S/N and distortion meter
e.g. Sound Technology ST1700B
LEVEL METER
e.g. Sennheiser UPM550
with FF-filter
SERVICE AIDS
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
HANDLING CHIP COMPONENTS
1 - 5
1 - 6
1 - 7
System , Region Code , etc. Setting Produre
2 - 12 - 1
1)System Reset
a) Press “SETUP“ button on R/C,TV will show setup menu
b) Select the menu using the and
c) Go preference page to do system reset
2)Region Code Change
a) In open mode, press”9” “9“ “9“ “9“ on R/C,then input desired
number to change region code :
1 USA
2 EU
3 AP
4 Australia ,NZ , Latam
5 Russia , INDIA
6 CHINA
3)Version Control Change
a) In open mode, press “1“ “5“ “9“ on R/C
b) Press “ok” button to con rm
c) TV will show message as below:
on R/C
7) Upgrading new software
a) Copy “software les” into a CD-R
b) Open the CD Door,then insert the CD-R program disc
c) Close the CD Door
d) VFD will show:
“Loading“
“Erase” -- erase the ash memory
“Writing” about 1 minute
“done “
* the system will switch off and on again automatically.
e) OSD will show:
upgrade le detected
Do you wish to continue with
the software upgrade?
OK Cancel
Current model HTS3371/94
Version: XX.XX.XX Release:XXXX.XX.XX
region
8032:XX.XX.XX.XX RISC: XX.XX.XX.XX
MCU:XX.XX
If current model does not match you set use down arrow
key on the remote to change
OK
4)Password Change
a) Press “SETUP“ button on R/C,TV will show setup menu
b) Select the menu using the and
c) Go preference page select “password“ to change
* 000000 is default password supplied.
5)Check on the Software Version
a) Open the CD Door
b) Press “INFO“ button on R/C
c) TV will show the version on screen
6)Trade model
a) Press “Open/Close “ button on R/C
b) Press “2” “5” “9” on R/C,VFD will display “TRA ON “ or “TRA
OFF“
:X Servo:XX.XX.XX.XX
on R/C
f) Select “OK”, OSD will show:
upgrade in progress...
V337X
please do not unplug or
switch off the device.
CAUTION!
This information is confi dential and may not be
distributed.Only a qualifi ed service person should
reprogram the Region Code.
REPAIR INSTRUCTIONS (ONE)
2 - 22 - 2
REPAIR INSTRUCTIONS (TWO)
2 - 32 - 3
REPAIR INSTRUCTIONS (THREE)
2 - 42 - 4
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