SLV-D500P (serv.man2) - Sony VCR Service Manual (repair manual)

slv-d500p (serv.man2) service manual
Model
SLV-D500P (serv.man2)
Pages
125
Size
14.16 MB
Type
PDF
Document
Service Manual
Brand
Device
VCR
File
slv-d500p-sm2.pdf
Date

Read Sony SLV-D500P (serv.man2) Service Manual online

US Model
SERVICE MANUAL
DVD PLAYER/
VIDEO CASSETTE RECORDER
SPECIFICATIONS
SLV-D500P
RMT-V501B
System
Laser
Semiconductor laser
Format
VHS NTSC standard
Video recording system
Rotary head helical scanning FM system
Video heads
Double azimuth four heads
Video signal
NTSC color, EIA standards
Tape speed
SP: 33.35 mm/s (1 
 
inches/s)
EP: 11.12 mm/s (
 
inches/s)
LP: 16.67 mm/s (
 
inches/s),
playback only
Maximum recording/playback time
8 hrs. in EP mode (with T-160 tape)
Rewind time
Approx. 1 min (with T-120 tape)
Tuner section
Channel coverage
VHF 2 to 13
UHF 14 to 69
CATV A-8 to A-1, A to W, W+1 to W+84
Antenna
75-ohm antenna terminal for VHF/UHF
Audio characteristics
Frequency response 
DVD VIDEO (PCM 96 kHz): 2 Hz to 44 kHz (
±1.0 
dB)/DVD VIDEO (PCM 48 kHz): 2 Hz to 22 kHz 
(
±0.5 dB)/CD: 2 Hz to 20 kHz (±0.5 dB)
Signal-to-noise ratio (S/N ratio)
115 dB (LINE OUT (L/R) AUDIO jacks only)
Harmonic distortion
 0.003 %
Dynamic range
DVD VIDEO: 103 dB/CD: 99 dB
Wow and flutter
Less than detected value (
±0.001% W PEAK)
The signals from LINE OUT L/R (AUDIO) jacks are 
measured. When you play PCM sound tracks with a 96 
kHz sampling frequency, the output signals from the 
DIGITAL OUT (OPTICAL or COAXIAL) jack are 
converted to 48 kHz sampling frequency.
Inputs and outputs
LINE IN 1 and LINE-2 IN
VIDEO IN, phono jack (1 each)
Input signal: 1 Vp-p, 75 ohms, unbalanced, sync 
negative
AUDIO IN, phono jacks (2 each)
Input level: 327 mVrms
Input impedance: more than 47 kilohms
LINE OUT
VIDEO OUT, phono jack (1)
Output signal: 1 Vp-p, 75 ohms, unbalanced, sync 
negative
AUDIO OUT, phono jacks (2)
Standard output: 327 mVrms
Load impedance: 47 kilohms
Output impedance: less than 10 kilohms
DIGITAL OUT
OPTICAL, Optical output jack
- 18 dBm (wave length: 660 nm)
COAXIAL, phono jack
Output signal: 0.5 Vp-p, 75 ohms
COMPONENT VIDEO OUT (Y, Pb, Pr)
Phono jack
Y: 1.0 Vp-p/Pb, Pr: 0.7 Vp-p, 75 ohms
S-VIDEO OUT
4-pin, mini-DIN jack
Y: 1.0 Vp-p, unbalanced, sync negative
C: 0.286 Vp-p, load impedance 75 ohms
Timer section
Clock
Quartz locked
Timer indication
12-hour cycle
Timer setting
8 programs (max.)
3
8
7
16
11
16
General
Power requirements
120 V AC, 60 Hz
Power consumption
28 W
Operating temperature
0
°C to 45°C (32°F to 113°F)
Storage temperature
-20
°C to 60°C (-4°F to 140°F)
Operating humidity
25% to 80%
Dimensions including projecting parts and controls 
(w/h/d)
Approx. 430 
× 95 × 303 mm
(Approx. 17 
× 3.7 × 11.8 inches) 
Mass
Approx. 4.0 kg (Approx. 8.8 lbs)
Supplied accessories
Remote commander (1)
Size AA (R6) batteries (2)
75-ohm coaxial cable with F-type connectors (1)
Audio/video cord (pinplug 
× 3 y pinplug 3)  (1)
Design and specifications are subject to change without
notice.
Refer to the SERVICE MANUAL of VHS MECHANI-
CAL ADJUSTMENT MANUAL VII for MECHANICAL
ADJUSTMENTS. (9-921-790-11)
TS-10 MECHANISM
— 2 —
WARNING!!
WHEN  SERVICING,  DO  NOT  APPROACH  THE  LASER
EXIT  WITH  THE  EYE  TOO  CLOSELY.  IN  CASE  IT  IS
NECESSARY  TO  CONFIRM  LASER  BEAM  EMISSION,
BE  SURE  TO  OBSERVE  FROM  A  DISTANCE  OF
MORE   THAN   25  cm  FROM  THE  SURFACE  OF  THE
OBJECTIVE  LENS  ON  THE  OPTICAL  PICK-UP  BLOCK.
CAUTION
Use of controls or adjustments or performance of procedures
other than those specified herein may result in hazardous
radiation exposure.
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.
CAUTION:
The use of optical instrument with this product will increase eye
hazard.
Fig. A.
Using an AC voltmeter to check AC leakage.
1.5 k
0.15 
µ
F
AC
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
LEAKAGE TEST
The AC leakage from any exposed metal part to earth ground
and from all exposed metal parts to any exposed metal part having
a return to chassis, must not exceed 0.5 mA (500 microamperes).
Leakage current can be measured by any one of three methods.
1. A commercial leakage tester, such as the Simpson 229 or RCA
WT-540A.  Follow the manufacturers' instructions to use these
instruments.
2. A battery-operated AC milliammeter.  The Data Precision 245
digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a VOM
or battery-operated AC voltmeter.  The “limit” indication is
0.75V, so analog meters must have an accurate low-voltage scale.
The Simpson 250 and Sanwa SH-63Trd are examples of a
passive VOM that is suitable.  Nearly all battery operated digital
multimeters that have a 2V AC range are suitable.  (See Fig. A)
1. Check the area of your repair for unsoldered or poorly-soldered
connections.  Check the entire board surface for solder splashes
and bridges.
2. Check the interboard wiring to ensure that no wires are “pinched”
or contact high-wattage resistors.
3. Look for unauthorized replacement parts, particularly transistors,
that were installed during a previous repair.  Point them out to the
customer and recommend their replacement.
4. Look for parts which, though functioning, show obvious signs of
deterioration.  Point them out to the customer and recommend
their replacement.
5. Check the line cord for cracks and abrasion. Recommend the
replacement of any such line cord to the customer.
6. Check the B+ voltage to see it is at the values specified.
7. Check the antenna terminals, metal trim, “metallized” knobs,
screws, and all other exposed metal parts for AC leakage.  Check
leakage as described below.
SAFETY CHECK-OUT
After correcting the original service problem, perform the following
safety checks before releasing the set to the customer:
— 3 —
TABLE OF CONTENTS
Precautions
1
Safety Precautions ·································································· 4
2
Servicing Precautions ····························································  6
3
ESD Precautions ····································································· 7
4
Handling the Optical Pick-up ················································· 8
5
Pick-up Disassembly and Reassembly ··································  9
1.
General
Getting Started ···································································· 1-1
Basic Operations ································································· 1-6
Advanced Hookups ·························································· 1-12
DVD Settings and Adjustments ········································ 1-13
DVD Additional  Operations ············································ 1-16
VCR Additional Operations ············································· 1-22
Additional Information ····················································· 1-24
2.
Disassembly and Reassembly
2-1
Cabinet and PCB
2-1-1 Cabinet Top Removal ························································ 2-1
2-1-2 Bottom Cover Removal ····················································· 2-1
2-1-3 Ass’y Front Panel Removal ··············································· 2-1
2-1-4 Function PCB Removal ····················································· 2-1
2-1-5 Chassis Removal ······························································· 2-2
2-1-6 VCR Main PCB Removal ················································· 2-2
2-2
Circuit Board Locations ···················································· 2-3
2-3
VCR Deck Parts Locations
2-3-1 Top View ··········································································· 2-4
2-3-2 Bottom View ······································································ 2-6
2-4
VCR DECK
2-4-1 Holder FL Cassette Ass’y Removal ·································· 2-7
2-4-2 Lever FL Door Removal ··················································· 2-7
2-4-3 Slider FL Drive, Gear FL Cam Removal ·························· 2-8
2-4-4 Lever FL Arm Ass’y Removal ·········································· 2-8
2-4-5 Gear Worm Wheel Removal ·············································· 2-9
2-4-6 Cable Flat Removal ··························································· 2-9
2-4-7 Motor Loading Ass’y Removal ······································· 2-10
2-4-8 Bracket Gear, Gear Joint 2, 1 Removal ··························· 2-10
2-4-9 Gear Loading Drive, Slider Cam,
Lever Load S, T Ass’y Removal ····································· 2-11
2-4-10 Gear Loading Drive, Slider Cam,
Lever Load S, T Ass’y Assembly ···································· 2-11
2-4-11 Lever Pinch Drive, Lever Tension Drive Removal ·········· 2-12
2-4-12 Lever Tension Ass’y, Band Brake Ass’y Removal ·········· 2-12
2-4-13 Lever Brake S, T Ass’y Removal ···································· 2-13
2-4-14 Gear Idle Ass’y Removal ················································ 2-13
2-4-15 Disk S, T Reel Removal ·················································· 2-14
2-4-16 Holder Clutch Ass’y Removal ········································· 2-14
2-4-17 Lever Up Down Ass’y, Gear Center Ass’y Removal ······ 2-15
2-4-18 Guide Cassette Door Removal ········································ 2-15
2-4-19 Lever Unit Pinch Ass’y, Plate Joint,
Spring Pinch Drive Removal ··········································· 2-16
2-4-20 Lever #9 Guide Ass’y Removal ······································ 2-16
2-4-21 FE Head Removal ··························································· 2-17
2-4-22 ACE Head Removal ························································ 2-17
2-4-23 Slider S, T Ass’y Removal ·············································· 2-18
2-4-24 Plate Ground Deck, Cylinder Ass’y Removal ················· 2-18
2-4-25 Belt Pulley Removal ························································ 2-19
2-4-26 Motor Capstan Ass’y Removal ······································· 2-19
2-4-27 Post #8 Guide Ass’y Removal ········································· 2-20
2-4-28 Level Head Cleaner Ass’y Removal (Optional) ·············· 2-20
2-4-29 How to Eject the Cassette Tape ······································· 2-20
2-5
The Table Of Cleaning, Lubrication and
Replacement Time About Principal Parts ······················· 2-21
2-6
DVD Deck
2-6-1 Tray Disc Removal ·························································· 2-22
2-6-2 Ass’y P/U Deck Removal ··············································· 2-23
2-6-3 Housing Ass’y Removal ·················································· 2-24
2-6-4 Sub Chassis Removal ······················································ 2-25
2-6-5 Ass’y Brkt Deck Removal ··············································· 2-26
3.
Block Diagram
............................................................. 3-1
4.
PCB Diagrams
4-1
VCR Main ·········································································· 4-3
4-2
DVD Main ·········································································· 4-7
4-3
Function-Timer ··································································· 4-9
4-4
Dial-Timer ········································································ 4-11
5.
Schematic Diagrams
◆ Block Identification of Main PCB ············································ 5-3
5-1
S.M.P.S. ·············································································· 5-5
5-2
Power Drive ········································································ 5-7
5-3
Logic/Function-Timer ························································ 5-9
5-4
Audio/Video ····································································· 5-11
5-5
Hi-Fi/MTS ········································································ 5-13
5-6
Input-Output ····································································· 5-15
5-7
DVD Main-Micom/AV Decoder ······································ 5-17
5-8
DVD Servo ······································································· 5-19
5-9
DVD Audio/Video ···························································· 5-21
6.
Alignment and Adjustments
6-1
VCR Adjustment ································································ 6-1
6-1-1 Reference ············································································ 6-1
6-1-2 Head Switching Point Adjustment ····································· 6-3
6-2
DVD Adjustment ································································ 6-4
6-2-1 Location of Test Point ························································ 6-4
6-2-2 Skew Adjustment ································································ 6-5
6-3
VCR Mechanical Adjustment ············································· 6-7
6-3-1 Tape Transport System and Adjustment Locations ············ 6-7
6-3-2 Tape Transport System Adjustment ···································· 6-8
6-3-3 Reel Torque ······································································ 6-13
7.
Troubleshooting
····················································
7-1
8.
Repair Parts List
8-1
Exploded Views ·································································· 8-2
8-1-1 Cabinet Assembly ······························································· 8-2
8-1-2 VCR Mechanical Parts (Top Side) ····································· 8-3
8-1-3 VCR Mechanical Parts (Bottom Side) ······························· 8-4
8-1-4 DVD Mechanical Parts ······················································· 8-5
8-2
Electrical Parts List ···························································· 8-6
— 4 —
PRECAUTIONS
1 SAFETY PRECAUTIONS
1) Before returning an instrument to the customer, always make a
safety check of the entire instrument, including, but not limited
to, the following items:
(1) Be sure that no built-in protective devices are defective or have
been defeated during servicing.
(1)Protective shields are provided to protect both the technician
and the customer. Correctly replace all missing protective shields,
including any removed for servicing convenience.
(2)When reinstalling the chassis and/or other assembly in the
cabinet, be sure to put back in place all protective devices,
including, but not limited to, nonmetallic control knobs, insulating
fish papers, adjustment and compartment covers/shields, and
isolation resistor/capacitor networks. Do not operate this
instrument or permit it to be operated without all protective devices
correctly installed and functioning.
(2) Be sure that there are no cabinet openings through which adults
or children might be able to insert their fingers and contact a
hazardous voltage. Such openings include, but are not limited to,
excessively wide cabinet ventilation slots, and an improperly fitted
and/or incorrectly secured cabinet back cover.
(3) Leakage Current Hot Check-With the instrument completely
reassembled, plug the AC line cord directly into a 120V AC outlet.
(Do not use an isolation transformer during this test.) Use a leakage
current tester or a metering system that complies with American
National Standards institute (ANSI) C101.1 Leakage Current for
Appliances and Underwriters Laboratories (UL) 1270 (40.7). With
the instrument’s AC switch first in the ON position and then in the
OFF position, measure from a known earth ground (metal water
pipe, conduit, etc.) to all exposed metal parts of the instrument
(antennas, handle brackets, metal cabinets, screwheads, metallic
overlays, control shafts, etc.), especially any exposed metal parts
that offer an electrical return path to the chassis.
Any current measured must not exceed 0.5mA. Reverse the
instrument power cord plug in the outlet and repeat the test. See
Fig. 1.
Any measurements not within the limits specified herein indicate
a potential shock hazard that must be eliminated before returning
the instrument to the customer.
(4) Insulation Resistance Test Cold Check-(1) Unplug the power
supply cord and connect a jumper wire between the two prongs of
the plug. (2) Turn on the power switch of the instrument. (3)
Measure the resistance with an ohmmeter between the jumpered
AC plug and all exposed metallic cabinet parts on the instrument,
such as screwheads, antenna, control shafts, handle brackets, etc.
When an exposed metallic part has a return path to the chassis, the
reading should be between 1 and 5.2 megohm. When there is no
return path to the chassis, the reading must be infinite. If the reading
is not within the limits specified, there is the possibility of a shock
hazard, and the instrument must be repared and rechecked before
it is returned to the customer. See Fig. 2.
DEVICE
UNDER
TEST
(READING SHOULD
NOT BE ABOVE
0.5mA)
LEAKAGE
CURRENT
TESTER
EARTH
GROUND
TEST ALL
EXPOSED METER
SURFACES
ALSO TEST WITH
PLUG REVERSED
(USING AC ADAPTER
PLUG AS REQUIRED)
2-WIRE CORD
Fig. 1 AC Leakage Test
Fig. 2 Insulation Resistance Test
2) Read and comply with all caution and safety related notes on or
inside the cabinet, or on the chassis.
3) Design Alteration Warning-Do not alter or add to the mechanical
or electrical design of this instrument. Design alterations and
additions, including but not limited to, circuit modifications and
the addition of items such as auxiliary audio output connections,
might alter the safety characteristics of this instrument and create
a hazard to the user. Any design alterations or additions will make
you, the servicer, responsible for personal injury or property
damage resulting therefrom.
4) Observe original lead dress. Take extra care to assure correct lead
dress in the following areas:
(1) near sharp edges, (2) near thermally hot parts (be sure that
leads and components do not touch thermally hot parts), (3) the
AC supply, (4) high voltage, and (5) antenna wiring. Always inspect
in all areas for pinched, out-of-place, or frayed wiring, Do not
change spacing between a component and the printed-circuit board.
Check the AC power cord for damage.
5) Components, parts, and/or wiring that appear to have overheated
or that are otherwise damaged should be replaced with components,
parts and/ or wiring that meet original specifications.
Additionally, determine the cause of overheating and/or damage
and, if necessary, take corrective action to remove any potential
safety hazard.
Antenna
Terminal
Exposed
Metal Part
ohm
ohmmeter
Page of 125

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