Philips MCD706 User manual

Version 1.0
MCD706
©3141 785 31420
ServiceManual
DVD Micro System all versions
Published by YB 0635 Service Audio Printed in The Netherlands Subject to modification
©Copyright 2006 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.
Handling chip components ............................................................1-1
Information about lead-free soldering............................................1-2
Technical specification...................................................................2-1
Service tools..................................................................................2-1
Service measurement setup..........................................................2-2
Connections and controls......................................................3-1...3-4
Disassembly diagram............................................................4-1...4-2
Software version and upgrading....................................................5-1
Set block diagram..........................................................................5-2
Set wiring diagram.........................................................................5-3
VFD BOARD
circuit diagram ..........................................................................6-1
layout diagram..........................................................................6-2
TUNER BOARD
circuit diagram ..........................................................................7-1
layout diagram..........................................................................7-2
layout diagram-amp box pcb assy............................................7-2
AMP BOARD
circuit diagram ..........................................................................8-1
layout diagram..........................................................................8-2
CPU BOARD
circuit diagram ..........................................................................9-1
layout diagram..........................................................................9-2
DVD MPEG BOARD
circuit diagram..............................................................10-1...10-5
layout diagram........................................................................10-6
Exploded view diagram................................................................11-1
Mechanical partslist...........................................................11-2...11-3
Electrical partslist...............................................................12-1...12-2
Revision list..................................................................................13-1
TABLE OF CONTENTS
CLASS 1
LASER PRODUCT

1 - 1
HANDLING CHIP COMPONENTS

1 - 2

…
2-1
TECHNICAL SPECIFICATION
S
GENERAL TUNER - AM SECTION
Mains voltage -/98 :120/230V Tuning range :531~1602KHz
-/61/93 :220V IF frequency :450kHz
-/12 :230V Quieting sensitivity(-26dB) :3250uV/m
-/79 :240V Distortion :< 5%
TUNING GRID :9k / 10k Hz
Mains frequency -/98 :60/50Hz IF Rejection :> 18 dB
-/12/61/79/93 :50Hz Selectivit
y
:> 16dB
S/N :> 35
Battery remote :3V(AAA x 2)
Power consumption Nomal :35W DVD/MP3/CD
Standby :< 4W
ECO Standby :< 1W Laser Type Semiconductor
Dimention (W x H x D) :147 x 232 x 223 mm Disc Diameter 12cm / 8cm
Weight (Main set) :5.15Kg Vidio Decoding MPEG-2 / MPEG-1
Signal System PAL / NTSC
AMPLIFIE
R
Vidio S/N > 53dB
Composite Vidio Output 1.0Vpp(+10/-10%)
Out power mains :2 x 25W Frequency Response 20Hz~20kHz
Speaker impedance mains :8 ohm THD 0.5%(Limit 1%)
Frequency response :100Hz - 20KHz Bit rates 8K-320Kps
Sampling rates 8K/11.025K/16K
TUNER - FM SECTION /22.05K/32K
:/44.1K/48K Hz
Tuning range :87.5~108MHz S/N (A-weighted) 70dBA(Lim 65 dBA)
IF frequency :10.7MHz Channel Separation > 25dB
Quieting sensitivity(-26dB) :< 22 dBf
FM Image Rejection :> 25dB
Distortion :< 3%
TUNING GRID :100k / 50k Hz
S/N :> 50
SERVICE TOOLS
Audio signal disc SBC 429………………………………………………………………… 4822 397 30184
Playability test disc SBC 444……………………………………………………………… 4822 397 30184
Test disc 5 (disc without erros)+
Test disc 5A (disc with dropout erros,blank spots and fingerprints)
SBC 426/426A………………………………………………………4822 397 30096
Burn in test disc (65min. 1kHz signal at -30 dB lever without 'pause')……………… 4822 397 30155
AVAILABLE ESD PROTECTION EQUIPMEN
T
anti-static table mat large 1200 x 650 x 1.25mm :4822 466 10953
small 600 x 650 x 1.25mm :4822 466 10958
anti-static wristband :4822 395 10223
connection box(3 press stud connections, 1Mohm) :4822 320 11307
extendible cable (2m, 2Mohm, to connect wristband to connection box) :4822 320 11305
connecting cable (3m, 2Mohm, to connect table mat to conection box) :4822 320 11306
earth cable (1Mohm, to connect any product to mat or to connection box) :4822 320 11308
KIT ESD3 (combining all 6 prior products - small table mat) :4822 310 10671
Wristband tester :4822 344 13999

2 - 2

3 - 1
CONNECTION AND CONTROLS

3 - 2
CONNECTION AND CONTROLS

3 - 3
CONNECTION AND CONTROLS

3 - 4
CONNECTION AND CONTROLS

4 - 14 - 1
A
B1
B2 C1 C2
D1
D2 D3
F
G
H
I
J
A.Remove Bottom Cover A1.remove screws M2.5x4(8pcs)
B*.remove screws M3x10(8pcs) and M3x8(3pcs) C*.remove screws M3x8(4pcs) and T3x4(2pcs)
E1 E2
E2
E1
*M2.5x5
E2
*M2.6x8
D.Remove Back Panel D*remove screws T3x4(5pcs)and M3x10(5pcs)and T3x8(1pc)
E. Remove Top Cover
G. Remove DVD Rom and then remove DVD Decoder Card Assy
I.Remove VFD board assy
H.Remove Slid Plank
I.Remove Side metal Plate
DISASSEMBLY DIAGRAM - DVD PART

4 - 2 4 - 2
A
C
B1
B2
D1
D2
D3
F
G
H
I
A.Remove Bottom Cover A1.remove screws M2.5x4(8pcs)
B*.remove screws M3x10(6pcs) and T3x10(4pcs) C*.remove screws T3x4(5pcs)
D.Remove Back Panel D*remove screws T3x4(4pcs)and T3x8(2pcs)and M3x10(6pcs)
E. Remove Top Cover
F. Remove AMP Board Assy
E1 E2
E2
E1
*M2.5x5
E2
*M2.6x8
H.Remove AMP Front board assy
G.Remove ALC Volume board assy
I.Remove Side metal Plate
DISASSEMBLY DIAGRAM - AMP PART

5 - 1
5 - 1
4
SOFTWARE VERSION AND UPGRADING
MCD706
MCD706

5 - 25 - 2
SET BLOCK DIAGRAM

5 - 3 5 - 3
SET WIRING DIAGRAM

6 - 1 6 - 1
CIRCUIT DIAGRAM - VFD BOARD

6 - 26 - 2
LAYOUT DIAGRAM - VFD BOARD

7 - 17 - 1
RIPPLE
1
AM-RF
2
FM-GND
3
RF-GND1
4
FM-OSC
5
AM-OSC
6
Vcc1
7
TUNE
8
VCO
9
AF-OUT
10
MPX-IN
11
LPF
12
MUTE
13
LEFT
14
RIGHT
15
PILFIL
16
IF-GND
17
FMDEM
18
AFC-
19
AFC+
20
FSI
21
VCC2
22
VDD 23
MO/ST 24
XTAL 25
DGND 26
CLOCK 27
P1 31 P0 30
WRITE-EN 29
DATA 28
FM-IF2-IN 33
AM-AFC 32
FM-IF1-IN 37
AM-IF2 36
FM-IF2 35
VSTABB 34
VSTABA 38
AM/FM 39
AM-MIXOUT 40
AM-IF1-IN 41
RF-GND2 42
NC 43
AGC 44
IC1 TEA5762
C4 104
C10
100uF
VCC1
R11 56K
RV1 100K
R12 1K
C22 224
C26 474 C27
474
R27 2K2
C28 1uF
C30 2.2uF
C31 15pF C32
470n
C7 104 VCC2
VDD
X1
75K
R14 150K
C14102
C15 12P
R22 470
R21 470 R18 22K
C19 222
C17 221
C18 221
P0 P1
R15 0
C16 221
R23 470
1 2 3 4
CN1
4P
R4 120
R3 120
C34 223
VCC1
C24 224
C25 224
R7 330
R25 47K
R24 47K
DZ1
BZX384-C11
R35 22
C23 224 R33
5K6
R34
47K
Q3
BC547C
Q2 BC857B
R31 68K
C35
22uF
R32 10K
R30 150
C33 82pF
C29 1uF
+FM
VDD
VCC2
AM/FM
R29 820
R28 820
C40
153
C39 153
1
3
2
CF1
10.7M
1
3
2
CF2
10.7M
R2 120
R1 120
R5 330
1 2 34
6
T3
11845/20591
1 2 34
6
T2 11845/20591
1 2 34
6
T1 11844/44023
1 2 34
6
T5 44108
C2 104
C1 10uF
1 2 34
6
T7
511BE/43462
3 2 16
4 5
T4 A9452/20382
ANT
1
GND
2
GND
3
GND
4
VT
5
B+
6
IF-OUT 7
OSC-OUT 8
GND
9
GND
10
FMFRONTEND
TUNE1 KST-F404
R6 330
R8 2.2K R9 100
C13 103
C3 104 C9
100uF
+FM
1
27
D3A HN1V02H
5
3 6
D3B
HN1V02H
R20 22k
R26 47
C36
22pF
C38 2pF
C37 560p
R10 220
D2
BAS316
C11
33pF
CT1 11P
C21 1uF
3
2
1 6
4
T6
20402
R36 33K Q4
BC857C
C12 33pF
R19 22K
R13 1K
C20 222
MPX
MPX
VCC1
ST/NO ENABLE/MPX
DATA CLOCK VCC RIGHT
LEFT
SGND
FMRFGND 4
FMANT 3
AMRFGND 2
AMANT 1
JACK1 TUNER1
C8 104
RDSONLY
BUFFERAMPLIFIER
22n-USA22n-USA
DISCRIMINATOR
BIRDYFILTER
7.8V 11V 8.2V 8.9V
8.2V
AM/FM
1 2 3 4 5
CN2
5P
R37 0
R38 0
R39 0
R40 0
C5 104
C6 331
Q1 9014
Q5 9014
R42 4.7K
R43 4.7K
R16 1M
R41 100
R46 1K
R47 1K
C41
100uF
C42 224 C43 224
R17
1M
R45 000
R44 000
VCC
J2
000
J3
000
VCC VCC
1 2
CN3 2P
T104
CIRCUIT DIAGRAM - TUNER BOARD

7 - 2 7 - 2
LAYOUT DIAGRAM - TUNER BOARD LAYOUT DIAGRAM - AMP BOX
PCB ASSY
ONLY FOR - / 12

8 - 18 - 1
CIRCUIT DIAGRAM - AMP BOARD

8 - 2 8 - 2
LAYOUT DIAGRAM - AMP BOARD