Sanyo DSR-M814,DSR-M814P Service Manual

Notice

PRODUCTION CHANGECORRECTION
ADD INFORMATIONSERVICE FLASH

Please add this notice to the Service manual listed below.

Category : Digital Video Recorder

Model Name Reference No. Destination

DSR-M814 SM5310607 U.S.A., Canada, Brazil, Korea, Philippine,

NTSC General

DSR-M814P SM5310607 Europe, U.K., PAL General

The reason of change.

A : Misprint B : Quality Reliability C : Standardization D : Design
E : Deletion F : Addition G : Multiple Use

REASON : D (Design)

Refer to this notice for the service manual for products with a serial number of 96830001 or
later. (An "R" appears at the end of the serial number)
Refer to the service manuals and notices that have been issued previously for products with
a serial number that is earlier than 96830001.

FILE No.

Date : Jan. 27 2006

CONTENTS

NOTES ON HANDLING INTERNAL HDD COMPONENTS ..... 5

1. SPECIFICATIONS ................................................................ 6

2. DISASSEMBLY..................................................................... 7

3. ADJUSTMENT ...................................................................... 8

4. PARTS LIST ....................................................................... 12

CIRCUIT DIAGRAMS & PRINTED WIRING BOARDS...........C1

WARNING

This product has been manufactured using lead-free solder. Be sure to follow the warning given on page 4 when carrying out
repair work.

NOTE : 1. Parts order must contain model number, part number, and description.

2. Substitute parts may be supplied as the service parts.

3. N. S. P. : Not available as service parts.

4. Regardless from the unit's specification the HDD may have a different capacity or there might be more than one
HDD installed.
Even with the same product number the HDD installed might have a different capacity, or there might be either
one or two HDD installed.

5. Refer to page 4 for the serial number.

Design and specification are subject to change without notice.

L8HBJ/USJ,XEG,USG,USH,USK,USL
175 813 29,32,27,28,30,31

SANYO Electric Co., Ltd.
Osaka,Japan

– 1 –

Reference No. SM5310607-02

SAFETY PRECAUTIONS

WARNING:

Service should not be attempted by anyone unfamiliar with the necessary precautions for this recording or playback
equipment. The following precautions are necessary during servicing:

1. Many electrical and mechanical parts in this recorder have
special safety-related characteristics for providing protec­tion against shock, fire and other hazards. These charac­teristics often go unnoticed in a visual inspection, and the
protection afforded by them cannot necessarily be ob­tained by using replacement components with higher rat­ings (voltage, wattage, etc.).

2. Replacement parts having special safety-related charac­teristics are identified in this manual, and in the schematic
diagrams, by the symbol ! . These components have
values that are of special significance to product safety.
Should any component (identified by the symbol ) need
to be replaced, use only the part designated in the parts
List. Do not deviate from the specified resistance, wattage,
and voltage ratings.

Digital Video

Recorder

3. Before returning the set to the customer, always perform an
AC leakage current check on the exposed metallic parts of
the cabinet, such as terminals, screwheads, metal over­lays, etc. to be sure that the set is safe to operate without the
danger of electrical shock, Plug the AC line cord directly into
a 120 V AC outlet. (Do not use a line isolation transformer
during this check.) Use an AC voltmeter with a sensitivity of
5000 ohms per volt (or more) as follows: Connect a 1500
ohms, 10 watt resistor, paralleled by a 0.15 mfd, 150 VAC
capacitor, between a known good earth ground (water pipe,
conduit, etc.) and the exposed metallic parts, one at a time.
Measure the AC voltage across the 1500 ohms resistor and

0.15 mfd capacitor combination. Reverse the AC plug at the
AC outlet and repeat the AC voltage measurements for
each exposed metallic part. The measured voltage must
not exceed 300 mVrms. This corresponds to 200 µA AC.
Any value exceeding this limit constitutes a potential shock
hazard and must be corrected immediately.

4. Fuse symbol marks.
For CANADA
For U.S.A.

CAUTION "Risk of fire-replace fuse as marked"

Fuse rating is marked at
adjacent fuse.

UNDERWRITERS LABORATORIES Standard

− 2 −

− 3 −

WARNING

Do not use solder containing lead.

This product has been manufactured using lead-free

solder in order to help preserve the environment.

Because of this, be sure to use lead-free solder when
carrying out repair work, and never use solder
containing lead.

Lead-free solder has a melting point that is 30 - 40°C (86 ­104°F) higher than solder containing lead, and moreover it
does not contain lead which attaches easily to other metals.
As a result, it does not melt as easily as solder containing
lead, and soldering will be more difficult even if the
temperature of the soldering iron is increased.

The extra difficulty in soldering means that soldering time
will increase and damage to the components or the circuit
board may easily occur.

Because of this, you should use a soldering iron and
solder that satisfy the following conditions when carrying out
repair work.

Soldering iron

Use a soldering iron which is 70 W or equivalent, and
which lets you adjust the tip temperature up to 450°C
(842°F). It should also have as good temperature recovery
characteristics as possible.

Set the temperature to 350°C (662°F) or less for chip
components, to 380°C (716°F) for lead wires and similar,
and to 420°C (788°F) when installing and removing shield
plates.

The tip of the soldering iron should have a C-cut shape or
a driver shape so that it can contact the circuit board as flat
or in a line as much as possible.

Solder

Use solder with the metal content and composition ratio by
weight given in the table below. Do not use solders which do
not meet these conditions.

Metal content Tin (Sn) Silver (Ag) Copper (Cu)
Composition

ratio by weight

Lead-free solder is available for purchase as a service tool.
Use the following part number when ordering:
Part name: Lead-free solder with resin (0.5 mm dia., 500 g)
Part number: VJ8-0270

96.5% 3.0% 0.5%

Note:

If replacing existing solder containing lead with lead-free
solder in the soldered parts of products that have been
manufactured up until now, remove all of the existing solder
at those parts before applying the lead-free solder.

RELATIONSHIP BETWEEN NUMBER AND PRODUCTION PERIOD

The first and second digits of the serial number
indicate the year and month of production.
For example, "95" indicates production was in
November 2005, and "96" indicates that production
was in December 2005.
However, these numbers start at "01" and are reset
after "96" is reached, so that January 2006 is indi­cated by a number that starts with "01".
Because of this, serial numbers for products manu­factured from January 2006 onward may be smaller
in value than serial numbers for products manufac­tured in December 2005.

Example :Production in Dec 2005: "96120001"

Production in Jan 2006: "01120001"
Production in Feb 2006: "02120001"

Products listed in the Service Manuals with serial
numbers of "96XXXXXX or later" include serial
numbers such as "96XXXXXX", "01XXXXXX" and
"02XXXXXX".
In addition, products listed with serial numbers of
"01XXXXXX or earlier" include serial numbers such
as "01XXXXXX", "96XXXXXX" and "95XXXXXX".

− 4 −

NOTES ON HANDLING INTERNAL HDD COMPONENTS

This unit has a built-in hard disk drive (HDD).
Be sure to observe the following points carefully when operating, setting-up and servicing the unit.

1. Do not subject the unit to shocks or vibration.

If the unit is subjected to shocks or vibration, it may
damage the HDD or cause corruption of the data stored in
the HDD.

• Do not move the unit while the power is turned on.
Always be sure to turn off the power before removing the
unit from or placing it onto the rack.

• When transporting the unit, pack it securely using the
specified packing materials. In addition, use a method of
transportation that minimizes vibration.

• When placing the unit down on a surface such as a floor,
attach the specified feet to the base of the unit and place
it down gently. If the feet are not attached, place the unit
down very carefully so that it does not make any noise.

2. Do not move the unit for 30 seconds after turning
off the power.

After the power is turned off, the disk inside the HDD will
continue to spin for a brief period due to inertia, and the
heads will be in an unstable state.
During this time, the unit is even more susceptible to
shocks and vibration than when power is being supplied.
Make sure that the unit is not subjected to even gentle
vibration for at least 30 seconds after turning off the
power.

3. Do not operate the unit when condensation has
formed.

If the unit is operated when condensation has formed, it
may cause operating problems.
If sudden changes in the ambient temperature occur, wait
for the temperature to stabilize before operating the unit.

4. Notes when replacing the HDD

Be sure to follow the correct replacement procedure when
replacing the HDD.

• HDDs that have been removed from their packaging may
not operate correctly if they are subjected to any shocks
or vibration. It is recommended that you place the HDD
onto a soft, level surface with the printed circuit board
facing upward after unpacking it.

• Be careful not to subject the HDD to shocks or vibration
when removing and tightening screws as part of the HDD
replacement procedure. Make sure that all screws are
tightened securely so that they will not become loose.

• The HDD is sensitive to static electricity, so you should
take proper precautions to prevent static electricity
buildup.

5. Handling the HDD unit by itself

If transporting or storing the HDD unit by itself, always be
sure to pack it in the specified packaging first.
In addition, use a method of transportation that minimizes
vibration.

If the HDD becomes damaged, handle the unit and the
damaged HDD that has been removed in order for it to be
replaced carefully to prevent the problem from being
aggravated until as the nature of the problem can be
checked and analyzed.

− 5 −

1. SPECIFICATIONS

Hard disk capacity :

Television system :

Picture resolution :

Compression :

Picture quality :

Recording type :

Recording speed :

Recording

•Normal recording :

•Timer recording :

•Alarm recording :

Search mode

•Time/ date search :

•Alarm search :

Menu Language :

Clock settings :

Miscellaneous functions :

Video input terminal :

Video output terminal :

Video monitor out terminal :

Audio input terminal :

Audio output terminal :

Microphone input terminal :

LAN terminal :

Control connector (Push lock)

•RS-485 terminal :

•Remote control terminal :

•Clock adjust input terminal :

•Clock adjust output terminal :

•Series rec input terminal :

•Non rec output/ Series rec
output terminal :

•Alarm input terminal :

•Alarm reset terminal :

•Alarm output terminal :

•Warning output terminal :

•Full out warning terminal :

Current consumption :

Operating temperature :

Operating humidity :

Dimensions :

Screen :

Playback :

USB port :

Power :

Weight :

Upgradeable to two (2), maximum 300 GB hard disks
NTSC /PAL color signal standard (Switchable)
NTSC : 720 x 480 pixels (Super+/ Super/ High/ Standard)
PAL : 720 x 576 pixels (Super+/ Super/ High/ Standard)
Video : MPEG2
Audio : MPEG1 Audio Layer2
4 levels (Super+/ Super/ High/ Standard)
Frame
NTSC : 30 fps or PAL : 25 fps
Single screen/ Quad screen
Playback, Still, Search, Cue, Review, Slow/reverse, Frame advance/reverse

Records on quad screen
Records on quad screen
Records on quad screen

Search by time and date
Search by alarm event list
English/ French/ Spanish (DSR-M814)
English/ French/ German/ Spanish (DSR-M814P)
Day/ Month/ Year/ Hours/ Minutes/ Seconds
Motion sensor, Security lock (with password function)

1.0 V p-p 75 Ω, unbalanced, 4 BNC connectors

1.0 V p-p 75 Ω, unbalanced, 4 BNC connectors

1.0 V p-p 75 Ω, unbalanced, 1 BNC connector

-8dBs, 47 kΩ, unbalanced, 4 RCA pin jacks

-8dBs, 600 Ω, unbalanced, 1 RCA pin jack

-60dBs, 10 kΩ, unbalanced, 3.5 mm mono jack
100BASE-TX (RJ-45)
For external storage unit (Compact Flash card reader, CD-R/RW drive)

3 terminals (A, B, GND)
Resistance ladder
Normal open, Low level active
Normal 5V, Low level active
Normal open, Low level active

Normal 5V, Low level active
Normal open, Low level active (4 channels)
Normal open, Low level active
Normal 5V, Low level active
Open collector (500 mA), Low level active
Open collector (50 mA), Low level active
120 -240 V AC, 50/60 Hz
480 mA
5°C to 40°C (41°Fto 104°F)
10% to 80%
210 (W) x 96 (H) x 391.5 (D) mm

3.7 kg / 3.1 kg

− 6 −

2. DISASSEMBLY

2-1. REMOVAL OF CABINET AND CIRCUIT BOARD LOCATIONS

NOTE:

1. Please carry out the screw stop
of the attachment to HDD in the
order of the number stamped
on the HDD holder.

2. Please attach the 1st set of an
HDD unit in the frontside of a
product.

3. Harness should use the socket
of an end.

1

1

2

COVER TOP

1

1. Six screws 3 X 6

2. Cover top

3. Screw 3 X 6

4. Cabinet front

5. Four screws 3 X 6

6. Four screws 3.5 X 4.5

7. Harddisk drive

8. Two screws 4 X 14

9. Motor fan (HDD)

10. Holder HDD2

11. Holder HDD1

12. Two screws 4 X 22

13. Motor fan (case)

HDD

OP-1 PWB

7

5

HOLDER HDD1

CP-1 PWB

11

6

(2)

(1)

(3)

(4)

8

9
MOTOR FAN (HDD)

10

HOLDER HDD2

6

CABINET BOTTOM

DM-1 PWB

5

TB-1 PWB

13

MOTOR FAN (CASE)

3

12

PW-1 PWB

4
CABINET FRONT

Fig. 1

− 7 −

3. ADJUSTMENT

3-1. CH1 INPUT SIGNAL LEVEL ADJUSTMENT

Measuring Point

TP131
(CP-1 board)

Adj. Location

VR131 (CP-1 board)

1. Input a color bar signal containing 100% white to the CH1
input terminal.

2. Connect an oscilloscope to the TP131.

3. Use VR131 to adjust until the 100% white level from the
sync chip for the Y signal is 1.10 ± 0.04 Vp-p.

1.10 ±

0.04
Vp-p

Measuring Equipment

OSCILLOSCOPE

Adj. Value

1.10 V

± 0.04 V p-p

Condition

POWER ON
E-E Mode

3-3. CH2 INPUT SIGNAL LEVEL ADJUSTMENT

Measuring Point

MONITOR OUT

Adj. Location

VR132 (CP-1 board)

1. Input a color bar signal containing 100% white to the CH2
input terminal.

2. Select "CH2" and switch to full screen mode.

3. Connect a 75 Ω termination to the MONITOR OUT
connector and connect an oscilloscope.

4. Use VR132 to adjust until the 100% white level from the
sync chip for the Y signal is 1.00 ± 0.04 Vp-p.

1.00 ±

0.04
Vp-p

Measuring Equipment

OSCILLOSCOPE

Adj. Value

1.00 V

± 0.04 V p-p

Condition

POWER ON
E-E Mode

3-2. OUTPUT SIGNAL LEVEL ADJUSTMENT

Measuring Point

MONITOR OUT

Adj. Location

VR105 (CP-1 board)

1. Input a color bar signal containing 100% white to the CH1
input terminal.

2. Select "CH1" and switch to full screen mode.

3. Connect a 75 Ω termination to the MONITOR OUT
connector and connect an oscilloscope.

4. Use VR105 to adjust until the 100% white level from the
sync chip for the Y signal is 1.00 ± 0.04 Vp-p.

1.00 ±

0.04
Vp-p

Measuring Equipment

OSCILLOSCOPE

Adj. Value

1.00 V

± 0.04 V p-p

Condition

POWER ON
E-E Mode

3-4. CH3 INPUT SIGNAL LEVEL ADJUSTMENT

Measuring Point

MONITOR OUT

Adj. Location

VR133 (CP-1 board)

1. Input a color bar signal containing 100% white to the CH3
input terminal.

2. Select "CH3" and switch to full screen mode.

3. Connect a 75 Ω termination to the MONITOR OUT
connector and connect an oscilloscope.

4. Use VR133 to adjust until the 100% white level from the
sync chip for the Y signal is 1.00 ± 0.04 Vp-p.

1.00 ±

0.04
Vp-p

Measuring Equipment

OSCILLOSCOPE

Adj. Value

1.00 V

± 0.04 V p-p

Condition

POWER ON
E-E Mode

− 8 −

3-5. CH4 INPUT SIGNAL LEVEL ADJUSTMENT

Measuring Point

MONITOR OUT

Measuring Equipment

OSCILLOSCOPE

Condition

POWER ON
E-E Mode

Adj. Location

VR134 (CP-1 board)

1. Input a color bar signal containing 100% white to the CH4
input terminal.

2. Select "CH4" and switch to full screen mode.

3. Connect a 75 Ω termination to the MONITOR OUT
connector and connect an oscilloscope.

4. Use VR134 to adjust until the 100% white level from the
sync chip for the Y signal is 1.00 ± 0.04 Vp-p.

1.00 ±

0.04
Vp-p

1.00 V

Adj. Value

± 0.04 V p-p

3-6. CP-1 BOARD LOCATIONS OF ADJUSTMENT POINTS

S3001


Z3001


VR105


VR131
VR132

VR133
VR134

TP131

CN309



FRONT SIDE

CP-1 BOARD

− 9 −