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SERVICE MANUAL
VIDEO CD player
Laser
Semiconductor laser
Wavelength
780-790nm
NTSC, PAL
Signal format system
Frequency response
2Hz to 20kHz±1dB
Signal-to-noise ratio
More than 94dB
Outputs
Jack
type
AUDIO OUT
Phono
jack
VIDEO OUT
Phono
jack
S VIDEO OUT
4-pin mini
(K750)
DIN
PHONES
Phono
jack
Inputs
Jack
type
MIC 1,
Phone
MIC 2
jacks
MICROFILM
MCE-K550/K750
PHOTO: MCE-K750
SPECIFICATIONS
Maximum
Load impedance
output
level
2V
Over 10 kilohms
(at 50 kilohms)
1Vp-p
75 ohms, unbalanced,
sync negative, white
peak
Y:1Vp-p
75 ohms, unbalanced,
sync negative
C:0.286Vp-p
10mW
32ohms
Maximum
Load impedance
input
level
100mVp-p
600ohms
Chinese Model
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Type
Optical Pick-up Type
General
Power requirements
(model for Chinese)
220-240V AC, 50/60Hz
(model for other countries)
110-120V or 220-240V AC,
adjustable, 50/60Hz
Power consumption
K550:21W, K750:24W
Dimensions (approx.)
430×108×350mm
(w/h/d)
inchl. projecting parts
Mass (approx.)
4.4kg
Supplied accessories
Audio and video connecting cord (1)
Remote commander (remote) RMT-K750V/K550V (1)
Sony SUM-3 (NS) battery (2)
Plug adaptor (1) (except model for China)
Desing and specifications are subject to change without notice.
VIDEO CD PLAYER
E Model
MCE-S70
CDM14-5BD24
BU-5BD24
KSS-213B/S-N
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Table of Contents
Related Manuals for Sony MCE-K550
Summary of Contents for Sony MCE-K550
- Page 1 Audio and video connecting cord (1) jack (at 50 kilohms) Remote commander (remote) RMT-K750V/K550V (1) VIDEO OUT Phono 1Vp-p 75 ohms, unbalanced, Sony SUM-3 (NS) battery (2) jack sync negative, white Plug adaptor (1) (except model for China) peak S VIDEO OUT 4-pin mini Y:1Vp-p 75 ohms, unbalanced, Desing and specifications are subject to change without notice.
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Page 2: Table Of Contents
COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH MARK ! 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. -
Page 3: Servicing Note
SECTION 1 SERVICING NOTE HOW TO OPEN THE DISC TRAY WHEN POWER SWITCH SELF-DIAGNOSIS TURNS OFF This model has the self-diagnosis function for the video and audio decoder sections. Insert a screwdriver into the aperture of the unit bottom, and turn in Immediately after the power on, the self-diagnosis function searches the direction of arrow (to OUT direction). -
Page 4: Test Mode
SECTION 2 TEST MODE VIDEO CD COLOR-BARS MODE SERVO CHECK MODE On this mode, the data of the color-bars signal as a picture signal Connect the SL502 on the VIDEO board with solder. and the 1kHz sine wave signal as a sound signal are output by the Turn the power on. - Page 5 Lighting of All Fluorescent Indicator Tube Button Number (Displayed only Button Name Displays and Key Check Mode while a button is pressed.) NEXTˆ Figure 0E Connect SL501 on the VIDEO board with solder. §OPEN/CLOSE Figure 16 Turn the power on. RETURN Figure 30 All the Fluorescent Indicator tube displays light up.
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Page 6: General
SECTION 3 GENERAL Location of Parts and Controls Front Panel 4 5 6 7 Video CD !ª !• !¶ !§ !∞ !¢ !£ !™ !¡ !º !¡ STANDBY botton p botton !™ KEY CONTROL botton (K750 MODEL) P botton !£ KARAOKE STAR botton (K750 MODEL) ·... -
Page 7: Disassembly
SECTION 4 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 4-1. CABINET • In order to remove the front panel block when the power supply does not turn on, rotate the cam with screwdriver as the figure shows, and the disk table will be moved. -
Page 8: Electrical Adjustments
SECTION 5 ELECTRICAL ADJUSTMENTS CD SECTION Note : A clear RF signal waveform means that the shape “◊” can be clearly distinguished at the center of the waveform. Note : RF signal waveform CD Block is basically designed to operate without adjustment. Therefore, check each item in order given. -
Page 9: Diagrams
SECTION 6 DIAGRAMS Adjustment Location : VIDEO SECTION 6-1. CIRCUIT BOARDS LOCATION Frequency adjustment (NTSC) [ BD BOARD ] — SIDE A — Connect the frequenc y counter to c hec k point of the VIDEO BD board (RF) (VC) board. -
Page 10: Block Diagram - Bd Section
MCE-K550/K750 6-2. BLOCK DIAGRAM — BD SECTION — — 11 — — 12 —... -
Page 11: Block Diagram - Main Section
MCE-K550/K750 6-3. BLOCK DIAGRAM — MAIN SECTION — MPEG DECODER K550 MODEL MECHA CONTROL 10BIT D/A CONV IC503 Y/C PROCESSOR MICON IC511 XRST IC506 CN101 IC504 K750 MODEL XRST K750 MODEL DSP XRST C/RI0 C/RO0 SCLK R/Cr0 SCLK J102 SUBQ... -
Page 20: Ic Block Diagrams
MCE-K550/K750 6-12. IC BLOCK DIAGRAMS IC509 BU6257AFV-E2 IC510 CXD2721Q-1 IC701 LC75725E HSYNC PROTECTION CIRCUIT DATA INPUT VSYNC SHIFT REGISTER VIDEO RAM DATA CHARACTER HORIZONTAL WRITE CHARACTER COLOR CHARACTER SIZE ADDRESS ADDRESS DATA DATA DATA REGISTER REGISTER COUNTER 3-BIT 3-BIT 8-BIT... -
Page 21: Ic Pin Function
6-13. IC PIN FUNCTION • IC504 SYSTEM CONTROL (M30610MC-103FP) Pin No. Pin Name Description SENS Internal State (SENS) monitor input from BD board SCLK SENS Serial data reading clock output to BD board DATA Serial data output to BD board Latch output to BD board Serial data clock output to BD board LDON... - Page 22 Pin No. Pin Name Description ECHO MUTE Echo mute input (H: Echo mute) (K750) (Not used:K550) KARAOKE KARAOKE mode select switch (H: KARAOKE, L: NORMAL (K750) (Not used:K550) MODEL1 K550 model select (H: K550) (Not used:K750) MODEL2 K750 model select (H: K750) (Not used:K550) 55 to 61 A15 to A9 —...
- Page 23 • IC506 MPEG DISPLAY (CXD1854Q) Pin No. Pin Name Description Vss0 — Ground Connected to ground, or B signal input [MSB] Connected to ground, or B signal input Connected to ground, or B signal input Connected to ground, or B signal input Connected to ground, or B signal input Connected to ground, or B signal input Connected to ground, or B signal input...
- Page 24 Pin No. Pin Name Description Cb/Cr (chroma) signal output, or R signal output [LSB] Cb/Cr (chroma) signal output, or R signal output Cb/Cr (chroma) signal output, or R signal output Cb/Cr (chroma) signal output, or R signal output Cb/Cr (chroma) signal output, or R signal output Cb/Cr (chroma) signal output, or R signal output Cb/Cr (chroma) signal output, or R signal output Cb/Cr (chroma) signal output, or R signal output [MSB]...
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Page 25: Exploded Views
4-925-014-71 KNOB (DIA. 10) (GOLD) X-4949-172-1 PANEL ASSY, FRONT (K750:GOLD) 4-980-199-21 BUTTON (POWER) (GRAY) X-4948-555-1 PANEL ASSY, FRONT (K550) 4-980-199-31 BUTTON (POWER) (GOLD) 3-008-600-11 EMBLEM (5-AR), SONY 4-990-338-01 LEVER (POWER) X-4948-824-1 PLATE (FL) ASSY, INDICATION (K750) * 16 A-4699-728-A MIC BOARD, COMPLETE (K750) -
Page 26: Chassis Section
7-2. CHASSIS SECTION SP, MY, TW MODEL T900 CDM14-5BD24 not supplied IC304 (•A) CH MODEL supplied (including •A) IC301(•A) supplied not supplied supplied supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 51 4-954-051-51 HOLDER, PC BOARD * 59 4-990-337-01 PANEL, BACK (K750:CH) -
Page 27: Mechanism Deck Section (Cdm14M-5Bd24)
7-3. MECHANISM DECK SECTION (CDM14-5BD24) BU-5BD24 not supplied not supplied M151 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-452-838-12 MAGNET (ASSY) 4-933-109-01 CAM 4-933-110-41 HOLDER (MG) * 109 1-645-721-11 LOADING BOARD 4-933-112-01 TABLE, DISC 4-933-134-01 SCREW (+PTPWH M2.6X6) 4-967-268-01 GEAR (C) 4-959-996-01 SPRING (932), COMPRESSION 4-927-649-01 BELT... -
Page 28: Base Unit Section (Bu-5Bd24)
7-4. BASE UNIT SECTION (BU-5BD24) M102 M101 (including Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks * 151 A-4699-697-A BD BOARD, COMPLETE 4-917-564-01 GEAR (P), FLATNESS 4-951-940-01 INSULATOR (BU) 1-769-069-11 WIRE (FLAT TYPE) (16 CORE) 4-917-565-01 SHAFT, SLED M101 X-4917-523-3 BASE ASSY (SPINDLE) ! 154... -
Page 29: Electrical Parts List
SECTION 8 ELECTRICAL PARTS LIST Note: • Due to standardization, replacements in the • RESIST ORS When indicating parts by reference number, par ts list ma y be diff erent fr om the par ts All resistors are in ohms. please include the board naame. - Page 30 DISPLAY LOADING Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < SWITCH > < RESISTOR > S101 1-572-085-11 SWITCH, LEAF (LIMIT) R700 1-249-415-11 CARBON 1/4W F R701 1-249-407-11 CARBON 1/4W F ************************************************************* (K750) 1-666-249-11 CN BOARD R702 1-249-407-11 CARBON 1/4W F...
- Page 31 DISPLAY LOADING MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks (K550) < SWITCH > C316 1-126-933-11 ELECT 100uF (K750) S271 1-572-086-11 SWITCH, LEAF C317 1-124-699-11 ELECT 220uF S272 1-572-086-11 SWITCH, LEAF C318 1-124-699-11 ELECT 220uF C319 1-137-399-11 FILM 0.1uF...
- Page 32 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < JACK > R117 1-259-452-11 CARBON 1/6W R118 1-259-448-11 CARBON 6.8K 1/6W J102 1-537-943-11 TERMINAL, S (S VIDEO OUT) (K750) R119 1-259-400-11 CARBON 1/6W J103 1-774-227-11 JACK, PIN 1P (VIDEO OUT) (K750) R120 1-247-843-11 CARBON 3.3K...
- Page 33 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R341 1-249-417-11 CARBON 1/4W F C423 1-130-480-00 MYLAR 0.0056uF 5% (K750) (K550) R342 1-249-413-11 CARBON 1/4W F C426 1-130-480-00 MYLAR 0.0056uF 5% (K750) (K550) R343 1-249-416-11 CARBON 1/4W F C427 1-136-166-00 FILM...
- Page 34 VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < JACK > R451 1-249-437-11 CARBON 1/4W R452 1-249-421-11 CARBON 2.2K 1/4W F J300 1-568-519-41 JACK, LARGE TYPE (PHONES) R453 1-249-437-11 CARBON 1/4W J301 1-770-222-31 JACK (LARGE TYPE) (MIC 1) R456 1-249-413-11 CARBON 1/4W F...
- Page 35 VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C536 1-163-038-00 CERAMIC CHIP 0.1uF (K750) C537 1-163-009-11 CERAMIC CHIP 0.001uF C590 1-163-121-00 CERAMIC CHIP 150PF C538 1-126-933-11 ELECT 100uF C591 1-163-263-11 CERAMIC CHIP 330PF C539 1-126-052-11 ELECT 100uF (K750) C540...
- Page 36 VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks IC511 8-752-380-71 IC CXD1913Q R537 1-216-025-00 METAL GLAZE 1/10W IC512 8-759-269-92 IC SN74HCU04ANS-E20 (K550) IC513 8-759-925-90 IC SN74HC74ANS R538 1-216-073-00 METAL CHIP 1/10W R539 1-216-025-00 METAL GLAZE 1/10W <...
- Page 37 VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R593 1-216-025-00 METAL GLAZE 1/10W (K750) (K550) R638 1-259-199-11 CARBON 1/4W R594 1-216-025-00 METAL GLAZE 1/10W (K750) (K550) R639 1-259-199-11 CARBON 1/4W R596 1-216-025-00 METAL GLAZE 1/10W (K750) R597 1-216-025-00 METAL GLAZE...
- Page 38 MCE-K550/K750 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > ACCESSORIES & PACKING MATERIALS ******************************** R743 1-247-843-11 CARBON 3.3K 1/4W (K750) 1-475-178-11 REMOTE COMMANDER (RMT-K750V) (K750) R744 1-249-415-11 CARBON 1/4W F 1-475-179-11 REMOTE COMMANDER (RMT-K550V) (K550)