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MCE-F808K
E Model
SERVICE MANUAL
VIDEO CD PLAYER
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-874-041-02
2002H1600-1
© 2002.08
SPECIFICATIONS
Ver 1.1 2002. 08
Model Name Using Similar Mechanism
NEW
CD Mechanism Type
DECK ASSY
Base Unit Type
PU BASE
Optical Pick-up Type
PICK-UP ASSY
System
VIDEO CD player
Laser
Semiconductor laser (
=780nm for CD)
Emission duration: continuous
Signal format system
NTSC, PAL
Playable discs
VIDEO CD, audio CD, MP3 disc
Frequency response
20 Hz to 20 kHz (
±1.0 dB)
Signal-to-noise ratio
More than 90dB
Outputs
VIDEO OUT (Phono jacks)
1.0 Vp-p 75 ohms, sync negative
AUDIO OUT (Phono jacks)
Impedance 47 klilohms, Rated input 2 Vrms
Load impedance over 10 kilohms
Input
MIC 1, MIC 2 (Phone jacks)
100 mVp-p, 600 ohms
General
Power requirements
220-240 V AC, 50/60 Hz
Power consumption
10W
Dimensions (approx.)
430
× 97.5 × 265 mm (w/h/d) incl. projecting parts
Mass (approx.)
2.8 kg
Supplied accessories
Audio connecting cord (1)
Video connecting cord (1)
Remote commander (remote) RMT-F808V (1)
R6 (size AA) batteries (2)
Design and specifications are subject to change without notice.


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2
This appliance is classified as a CLASS 1 LASER product. The
CLASS 1 LASER PRODUCT MARKING is located on the rear
exterior.
The following caution label is located inside the unit.
Laser component in this product is capable
of emitting radiation exceeding the limit for
Class 1.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous radiation
exposure.
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.
Flexible Circuit Board Repairing
· Keep the temperature of soldering iron around 270°C
during repairing.
· Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
· Be careful not to apply force on the conductor when soldering
or unsoldering.
MCE-F808K
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.
NOTES ON HANDLING THE OPTICAL PICK-UP BLOCK
OR BASE UNIT
The laser diode in the optical pick-up block may suffer electrostatic
break-down because of the potential difference generated by the
charged electrostatic load, etc. on clothing and the human body.
During repair, pay attention to electrostatic break-down and also
use the procedure in the printed matter which is included in the
repain parts.
The flexible board is easily damaged and should be handled with
care.
NOTES ON LASER DIODE EMISSION CHECK
The laser beam on this model is concentrated so as to be focused on
the disc reflective surface by the objective lens in the optical pick-
up block. Therefore, when checking the laser diode emission,
observe from more than 30 cm away from the objective lens.
The emission check enables continuous checking of the S curve.
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
Carry out the "S curve check" in "CD section adjustment" and check
that the S curve waveform is output three times.
TABLE OF CONTENTS
1. SERVICING NOTE ····················································· 3
2. GENERAL ··································································· 4
3. DISASSEMBLY ·························································· 5
3-1. Top Cabinet ··································································· 6
3-2. VCD Door, Front Panel Section ··································· 6
3-3. CD Mechanism Deck (DECK ASSY) ·························· 7
3-4. MAIN Board, TOTAL Board ········································ 7
3-5. FRONT Board, C/SKD Board ······································ 8
3-6. Disk Tray ······································································ 8
3-7. Loading Belt, CD Pwb Assy (Loading) ························ 9
3-8. Pick-Up Assy ································································ 9
4. TROUBLESHOOTING ················································· 10
4-1. CD Section ·································································· 10
4-2. MPEG Part Troubleshooting ······································· 15
5. DIAGRAMS ······································································ 29
5-1. Circuit Boards Location ·············································· 29
5-2. Block Diagrams
­ BD Section ­ ···························································· 30
­ MPEG Section ­ ······················································ 31
­ MAIN Section ­ ······················································· 32
5-3. Printed Wiring Board ­ MAIN/PANEL Section ­ ······ 33
5-4. Schematic Diagram ­ MAIN/PANEL Section ­ ········ 34
5-5. Printed Wiring Board ­ TOTAL Section ­ ················· 35
5-6. Schematic Diagram ­ TOTAL Section ­ ···················· 36
5-7. IC Block Diagrams ····················································· 37
5-8. IC Pin Functions ························································· 39
6. EXPLODED VIEWS ······················································ 44
6-1. Cabinet and MAIN FRAME Section ·························· 44
6-2. CD Mechanism Section ·············································· 45
7. ELECTRICAL PARTS LIST ······································· 46


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MCE-F808K
SECTION 1
SERVICING NOTE
GND
BLUE
connector
(PN807)
+2.8V
[HOW TO OPEN THE DISC TRAY WHEN THE MAIN POWER TURNS OFF]
1.
Open the top cabinet. (Refer to Section 3-1 "Top Cabimet")
2.
Remove the connector from PN807 on the TOTAL board.
3.
Supply +2.8V dc by the unit of DC regulated supply to the connector as shown below.
4.
Open the tray in the direction of the arrow.


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MCE-F808K
SECTION 2
GENERAL
12
13
14
11
11
12
13
10
10
9
8
7
6
8
9
7
6
5
5
4
2
1
3
4
3
1
2
17
16
15
16
17
15
14
POWER indicator
OPEN/CLOSE button
SELECT button
button
NEXT button
PREV button
button
ECHO button
PCB ON/OFF switch
RETURN switch
REPEAT switch
MIC LEVEL control
MIC 1 jack
MIC 2 jack
button
button
button
This Player Can Play the
Following Discs
VIDEO CDs
Audio CDs
Discs logo
Contents
Audio + Video
Audio
(moving pictures)
Disc size
12 cm/ 8 cm
12 cm/8 cm
zThe VIDEO CD Player can play MP3 format
recordings on CD-ROM, CD-R or CD-RW
discs. see page 21.
Note on VIDEO CDs
This player conforms to Ver. 1.1 and Ver. 2.0 of
VIDEO CD standards. You can enjoy two kinds of
playback according to the disc type.
This section is extracted
from instruction manual.


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5
MCE-F808K
SECTION 3
DISASSEMBLY
SET
TOP CABINET
DISK TRAY
PICK-UP ASSY
VCD DOOR,
FRONT PANEL SECTION
LOADING BELT,
CD PWB ASSY (LOADING)
CD MECHANISM DECK
(DECK ASSY)
MAIN BOARD,
TOTAL BOARD
FRONT BOARD,
C/SKD BOARD
Note : Disassemble the unit in the order as shown below.