Samsung ST76 User manual

DIGITAL CAMERA CONTENTS
SAMSUNG ST76/ST77/ST78/ST79
ST76VE/ST77VE
DIGITAL CAMERA
SERVICE
Manual
1. Repair information
2. Product specifications
3. Disassembly and reassembly
4. PCB diagrams
5. Block diagram
6. Firmware update
7. Adjustment
8. ST77/ST76 Exploded view and parts list
9. ST77VE/ST76VE Exploded view and parts list

Contents
1. Repair information
1-1 Customer satisfaction statement .............................................. 1-1
1-2 Warranty and repair service information ................................... 1-1
1-3 Precaution for disassembly and reassembly ............................. 1-4
2. Product specifications
2-1 Specifications.......................................................................... 2-1
2-2 Product comparison................................................................. 2-2
2-3 About the memory card ............................................................ 2-3
2-4 About the battery ..................................................................... 2-4
3. Disassembly and reassembly
3-1 Screw parts list ....................................................................... 3-1
3-2 Disassembly of main unit ......................................................... 3-2
3-3 Disassembly of barrel ............................................................ 3-10
3-4 Reassembly of barrel............................................................. 3-17
4. PCB diagrams
4-1 MAIN PCB............................................................................... 4-1
4-2 TOP PCB ................................................................................ 4-2
4-3 CCD FPCB.............................................................................. 4-2
5. Block diagram
6. Firmware update
6-1 Product reset .......................................................................... 6-1
6-2 Version check.......................................................................... 6-3
6-3 Upgrade.................................................................................. 6-4

Contents
7. Adjustment
7-1 Basic guide for adjustment....................................................... 7-1
7-2 Lens shading ADJ.................................................................... 7-3
7-3 Shutter close time ADJ ............................................................ 7-4
7-4 Flash ADJ ............................................................................... 7-5
7-5 Punt ADJ................................................................................. 7-6
7-6 Vertical line ADJ ...................................................................... 7-8
7-7 CCD defect ADJ ...................................................................... 7-9
7-8 OIS centering ADJ ................................................................... 7-9
7-9 Backlash ADJ ........................................................................ 7-10
7-10 Serial number writing process ...............................................7-11
8. ST77/ST76 Exploded view and parts list
8-1 BODY ASSEMBLY ................................................................... 8-1
8-2 CHAMBER ASSEMBLY ............................................................ 8-2
8-3 TOP PCB ASSEMBLY .............................................................. 8-3
8-4 FRONT COVER ASSEMBLY..................................................... 8-4
8-5 BACK COVER ASSEBLY.......................................................... 8-6
8-6 BARREL ASSEMBLY ............................................................... 8-7
8-6-1 BARREL ASSEBLY_OIS_ST77.............................................. 8-7
8-6-2 BARREL ASSEBLY_NON-OIS_ST76 ................................... 8-10
8-7 PACKING ITEMS ................................................................... 8-13
9. ST77VE/ST76VE Exploded view and parts list
9-1 BODY ASSEMBLY ................................................................. 8-14
9-2 FRONT COVER ASSEMBLY................................................... 8-16
9-3 CHAMBER ASSEMBLY .......................................................... 8-18
9-4 LCD ASSEMBLY.................................................................... 8-19
9-5 BACK COVER ASSEMBLY..................................................... 8-20
9-6 TOP PCB ASSEMBLY ............................................................ 8-21
9-7 MAIN FRAME ASSEMBLY...................................................... 8-22
9-8 BATTERY COVER ASSEMBLY ............................................... 8-23
9-9 ZOOM ASSEMBLY................................................................. 8-24
9-10 ST77VE/ST76VE BARREL ASSEMBLY ................................. 8-25

Precautions
Copyright© 1995-2012 SAMSUNG. All rights reserved. 1-1
1. Repair information
1-1 Customer satisfaction statement
1-2 Warranty and repair service information
■ Combining perfect technical solutions with a customer-oriented approach is our top priority.
■ We treat our customers we serve with kindness, loyalty, respect and dignity.
■ We are committed to earn customers’ trust continuously through excellence in repair solutions.
■ We keep our promises and commitments to our customers.
■ Committed to quick and easy resolution of all support issues, we deliver industry-leading
response times.
[Guide]
We listen carefully to our customers' requirements and always nd an optimum solution for their needs.
We are committed to your satisfaction and have procedures in place to provide you with a fair, timely and effective means to resolve problems. It
combines industry leading preventive assistance with responsive support that helps us address problems quickly and effectively.
We will continuously maintain and improve our services to satisfy the needs of our customers.
We hold ourselves to the highest standards of customer satisfaction and service.
(1) General terms and conditions
It is guaranteed to be free of charge from defects in material and workmanship under normal use for a period
of one year from date of purchase.
Digital Camera and lens come with a one year limited warranty from the date of purchase.
* The duration of the warranty depends on the laws in the country in which it was purchased.
The following information will be required to process warranty requests:
a. We imply warranties to one year from the original date of purchase. In the event that the purchaser is
unable to provide a warranty card or proof of purchase, the warranty period will be determined by the
date of manufacture. The warranty period shall be decreased to three months from the original product
manufactured date.
b. The coverage under this warranty begins on the date of your purchase of the product. In the event
that a warranty card or proof of purchase is not available, a purchase receipt, preferably the purchase
invoice, to conrm the date of purchase is required for warranty service.
c. In the event that a valid date of purchase is not available, the warranty period will be determined by
the date of manufacture. The warranty period shall be decreased to three months from the original
product manufactured date.

Precautions
1-2 Copyright© 1995-2012 SAMSUNG. All rights reserved.
<Table. 1-1 Warranty Periods for Parts>
(2) Limited Warranty
It reserves the right to retain any parts or components replaced at its discretion in the event of a defect no-
ticed in the product. The period with respect to retaining components may vary respectively depending on its
components. We are not liable to repair or replace its faulty product after the Warranty Period has expired.
* We warrant its retaining camera and lenses for ve years and three years for the accessories.
a. If a warranty claim is led after the product has been discontinued, we reserves the right to honor the
components warranty. Warranty period may vary depending on the type of components.
b. In the event that no identical warranty information is available for service repair, company has the right to provide warranty.
The warranty does not affect the consumers' rights against the company related to its information.
For the length of the period indicated on the chart below, it starts with the date of original purchase.
Part Name Warranty Period
Battery Charger
Six months
AC Adaptor
Battery
Remote Control
CD Software Three months
Earphone
Pouch for camera Not applicable
Cable
(3) Warranty Period for components
Our liability under this warranty shall be limited to the following:
a. In the event of a same malfunction problem within two months after repair service by Samsung authorized technician,
we will repair or replace free of charge the component of the product which is found to be defective.
b. In the event of the component that you have paid the replacement cost is returned under normal use within one year at our premises,
such components will be replaced free of charge component of the product which is found to be defective.

Precautions
Copyright© 1995-2012 SAMSUNG. All rights reserved. 1-3
<Table. 1-2 Warranty Period for components>
Types of consumer damages Compensation
Failing to perform or
failing to function properly
under normal use
Required for essential repair within 10 days
after the purchase
Replace the prod-
uct or refund -
Required for essential repair within one
month after the purchase
Replace the
product or repair
at free of charge
Repair charges
Applicable
to repair
Problem occurred twice
due to same malfunction Free of charge
Problem occurred three
times due to same
malfunction
Replace the prod-
uct or refund
Repair charges
Problem occurred four
times due to some other
malfunction
Not applicable
to repair
Within the period with
respect to retaining
components
Replace the product at the cost of the
depreciated value or refund its price
added 10% of depreciation
Failing to perform or
failing to function properly
as a result of willful intent
and negligence of
customer
Applicable repair Repair charges
Not applicable to repair
(Except for defects or malfunction as a result
of re or ood or other natural disasters
Replacement
charge
Repair charge and replace the prod-
uct at the cost of the depreciated value
(4) Repair Claims
1) Repair free of charge
Essentially, the following causes of damage are covered:
a. Failing to function properly under normal use during the limited warranty period.
b. Repair Services free of charge is granted for the performance of a specic contract.
2) Repair charges
This warranty does not cover damage caused by:
a. Defect occurring after the expiration of the Warranty Period.
b. Damage due to negligence, immersion in water, impact, loss and tampering.
c. Repair or alteration performed by any party other than Samsung authorized technicians.
d. Misuse or other improper use of the power button.
e. Exhausted parts such as batteries, lamps and lters, etc.
f. Defect that occurs due to sand, dirt liquid, etc. entering the inside of the product casing.
g. Consumable parts which have ceased working through normal use such as as earphone, battery discharger and various accessories.
h. Products purchased second hand or any damage that occurs due to a second hand or repair performed
by anyone other than Samsung or a Samsung authorized service station.
i. Fire, earthquake, ood or other natural disasters.
The warranty cover period for components is listed below as per table 1-2.

Precautions
1-4 Copyright© 1995-2012 SAMSUNG. All rights reserved.
1-3 Precaution for disassembly and reassembly
Component Precautions
FPCB FPCB is brittle material. It can be easily damaged thus it should be handled with care.
It is recommended to use wooden or plastic tweezers for manual placement.
CCD (CMOS)
IR CUT Filter
LCD, LENS
Be careful not to stained your nger. It is recommended to use wooden or plastic tweezers
for manual placement. Stain is often caused by the Alcohol used in these components.
Find a clean, well-ventilated place to do your work.
PCB Use an anti-static mat as well as an anti-static wrist strap to avoid ESD damage to PCB.
CONNECTOR The use wooden or plastic tweezers is recommended for manual placement.
Metal tip tweezer might make marks or damage.
BARREL Always follow proper direction while assembling the components of the barrel.
<Table. 1-3 Precaution for disassembly and reassembly>
1. Use the anti-static handing procedures included with the anti-static mat to ensure that there is no electrostatic
discharge and component damage.
2. Static electricity is the biggest danger to the PCB parts you are about to disassemble or assemble. It’s important
to use your anti-static wrist strap to prevent damage to these components.
3. Dismantling a discrete electronic component such as main capacitor is dangerous.
The capacitor contains high voltage, which can cause a severe electric shock if you touch it. This holds a
charge even when the unit is not plugged in and is capable of delivering a fatal shock.
4. Using excessive force during disassembly and assembly can damage locking parts. Use care when handling
“Locking parts” to avoid damage to FPCB or wire. Apply pressure only at the points designated in the maintenance
instructions.
5. Due to increasing environmental concerns, a number of restrictions have been placed on the material content
of electronic components and electronic assemblies. It requires utilizing Lead-Free (Pb-free) Soldering.
6. The following precautions must be observed when handling such components below.
CAUTION
!

Product specications
Copyright© 1995-2012 SAMSUNG. All rights reserved. 2-1
2. Product specifications
2-1 Specifications
Image Sensor 1/2.3” (Approx. 7.76 mm) CCD
Effective pixels Approx. 16.1 mega-pixels
Total pixels Approx. 16.4 mega-pixels
Wight 3.53oz (without battery and memory card)
Dimensions 3.57 X 2.11 X 0.67in (without protrusions)
LCD TFT LCD, 2.7” (6.9 cm) QVGA (230K)
Zoom
• Still image mode: 1.0–5.0X
(Optical zoom X Digital zoom: 25.0X)
• Playback mode: 1.0–14.4X
(depending on image size)
Shutter
Speeds
• Smart Auto: 8–1/2,000 sec.
• Program: 1–1/2,000 sec.
• Night: 8–1/2,000 sec.
Flash Range • Wide: 0.3–4.2 m (ISO Auto)
• Tele: 0.5–1.6 m (ISO Auto)
ISO Range Auto, ISO 80, ISO 100, ISO 200, ISO 400, ISO 800, ISO 1600, ISO 3200
Focal Length Samsung Lens f = 4.5–22.5 mm
(35 mm lm equivalent: 25–125 mm)
Storage
• Internal memory: Approx. 70 MB
• External memory (Optional):
-- microSD card (up to 2 GB guaranteed)
-- microSDHC card (up to 8 GB guaranteed)
Image
Stabilization
ST76/ST78 Digital Image Stabilization (DIS)
ST77/ST79 Optical Image Stabilization (OIS)
Battery Source Lithium-ion battery (BP70A, 740 mAh: Min. 700 mAh)
Connector type Micro USB (5 pin)
<Table. 2-1 Specications>

Product specications
2-2 Copyright© 1995-2012 SAMSUNG. All rights reserved.
2-2 Product comparison
<Table. 2-2 Product comparison>
Model
Specs ST77 ST93 ST95
Product
image
Image
Sensor 1/2.3” (Approx. 7.76 mm) CCD 1/2.3” (Approx. 7.76 mm) CCD 1/2.3” (Approx. 7.76 mm) CCD
Effective
pixels Approx. 16.1 mega-pixels Approx. 16.1 mega-pixels Approx. 16.2 mega-pixels
Total
pixels Approx. 16.4 mega-pixels Approx. 16.4 mega-pixels Approx. 16.4 mega-pixels
Wight 3.53oz
(without battery and memory card)
3.35oz
(without battery and memory card)
3.77oz
(without battery and memory card)
Dimen-
sions
3.57 X 2.11 X 0.67in
(without protrusions)
3.53 X 2.16 X 0.69in
(without protrusions)
3.62 X 2.09 X 0.67in
(without protrusions)
LCD TFT LCD, 2.7” (6.9 cm) QVGA (230K) TFT LCD, 2.7" (6.9 cm),
QVGA (230K)
TFT LCD, 3.0” (7.6 cm)
Wide 230 K/ Full Touch Screen Panel
Zoom
• Still image mode: 1.0–5.0X
(Optical zoom X Digital zoom: 25.0X)
• Playback mode: 1.0–14.4X
(depending on image size)
• Still image mode: 1.0X - 5.0X
(Optical zoom X Digital zoom 25.0X)
• Play mode: 1.0X - 14.4X
(depending on image size)
• Still image mode: 1.0X-5.0X
(Optical zoom x Digital zoom: 25.0X)
• Playback mode: 1.0X-14.4X
Shutter
Speeds
• Smart Auto: 8–1/2,000 sec.
• Program: 1–1/2,000 sec.
• Night: 8–1/2,000 sec.
• Smart Auto: 1/8 - 1/2,000 sec.
• Program: 1 - 1/2,000 sec.
• Night: 8 - 1/2,000 sec.
• Smart Auto: 1/8 - 1/2,000 sec.
• Program: 1 - 1/2,000 sec.
• Night: 8 - 1/2,000 sec.
ISO Range Auto, ISO 80, ISO 100, ISO 200, ISO 400,
ISO 800, ISO 1600, ISO 3200 Auto, 80, 100, 200, 400, 800, 1600, 3200 Auto, ISO 80, ISO 100, ISO 200, ISO 400, ISO 800, ISO 1600, ISO 3200
Focal
Length
Samsung Lens f = 4.5–22.5 mm
(35 mm lm equivalent: 25–125 mm)
Samsung 5X Zoom Lens f = 4.7 - 23.5 mm
(35 mm lm equivalent: 26 - 130 mm))
Samsung Lens f = 4.7 mm-23.5 mm
(35 mm lm equivalent: 26 mm-130 mm)
Storage
• Internal memory: Approx. 70 MB
• External memory (Optional):
-- microSD card (up to 2 GB guaranteed)
-- microSDHC card (up to 8 GB guaranteed)
• Internal memory: Approx. 12 MB
• External memory (Optional):
-- microSD card (up to 2 GB guaranteed)
-- microSDHC card (up to 8 GB guaranteed)
• Internal memory: Approx. 10 MB
• External memory (Optional):
-- microSD card (up to 2 GB guaranteed)
-- microSDHC card (up to 8 GB guaranteed)
Image
Stabiliza-
tion
ST76/ST78 Digital Image Stabilization (DIS) DUAL IS
[Optical Image Stabilization (OIS) +
Digital Image Stabilization (DIS)]
Digital Image Stabilization (DIS)
ST77/ST79 Optical Image Stabilization (OIS)
Battery
Source
Lithium-ion battery
(BP70A, 740 mAh: Min. 700 mAh)
Lithium-ion battery (BP70A)
(740 mAh, Minimum 700 mAh)
Lithium-ion battery (BP70A)
(740 mAh, Minimum 700 mAh)

Product specications
Copyright© 1995-2012 SAMSUNG. All rights reserved. 2-3
2-3 About the memory card
<Table. 2-3 Memory card capacity>
* The gures above are measured without using the zoom function. Available
recording time may vary if you use the zoom. Several videos were recorded
in succession to determine the total recording time.
Memory card capacity The memory capacity may differ depending on shooting scenes
or shooting conditions. These capacities are based on a 1 GB microSD card:
Size Super Fine Fine Normal
P
h
o
t
o
s
4608 X 3456 108 212 313
4608 X 3072 123 241 354
4608 X 2592 144 283 417
3648 X 2736 170 332 484
2592 X 1944 329 624 892
1984 X 1488 540 992 1,381
1920 X 1080 882 1,471 1,962
1024 X 768 1,637 2,575 3,210
Size 30 FPS 15 FPS
*V
i
d
e
o
s
Approx. 4' 30" Approx. 7' 36"
Approx. 9' 27" Approx. 18' 16"
Approx. 33' 44" Approx. 61' 13"

Product specications
2-4 Copyright© 1995-2012 SAMSUNG. All rights reserved.
<Table. 2-4 Battery specications>
<Table. 2-5 Battery life>
2-4 About the battery
Specication Description
Model BP70A
Type Lithium-ion battery
Cell capacity 740 mAh (min. 700 mAh)
Voltage 3.7 V
Charging time
*(When the camera is switched off) Approx. 160 min
* Charging the battery by connecting it to a computer may take longer.
Average shooting time/ Number of photos Test conditions (when the battery is fully charged)
Photos Approx. 120 min/
Approx. 240 photos
The battery life was measured under the following
conditions: in mode, in darkness, resolution,
Fine quality, OIS or DIS on.
1. Set the ash option to Fill in, take a single shot,
and zoom in or out.
2. Set the ash option to Off , take a single shot,
and zoom in or out.
3. Perform steps 1 and 2, waiting 30 seconds between
each step. Repeat the process for 5 minutes, and then
turn off the camera for 1 minute.
4. Repeat steps 1 to 3.
Videos Approx. 105 min Record videos at resolution and 30 FPS.
• The gures above are measured by Samsung’s standards. Your results may differ,
depending on your actual usage.
• Several videos were recorded in succession to determine the total recording time.

Copyright© 1995-2012 SAMSUNG. All rights reserved. 3-1
Disassembly and reassembly
3. Disassembly and reassembly
3-1 Screw parts list
<Table. 3-1 Screw Information>
PAGE NO. TYPE CODE QTY
3-2
SCREW MACHINE 6001-002166 2
SCREW MACHINE 6001-002152 3
3-5 SCREW MACHINE 6001-002166 2
3-10 SCREW TAPTYPE 6003-001369 3
3-11 SCREW TAPTYPE 6003-001630 5
3-12 SCREW TAPTYPE 6003-001369 1
3-28 SCREW TAPTYPE 6003-001369 1
3-29 SCREW TAPTYPE 6003-001630 5

Disassembly and reassembly
3-2 Copyright© 1995-2012 SAMSUNG. All rights reserved.
3-2 Disassembly of main unit
1. Disassembly of BACK COVER ASSY.
(a) Remove the two SCREWs on the left side.
(c) Remove the one SCREW on the bottom side.
(b) Remove the two SCREWs on the right side.
Fig. 3-1
Fig. 3-2
Fig. 3-3
SCREW MACHINE(6001-002166)
SCREW MACHINE(6001-002152)
SCREW MACHINE(6001-002152)

Copyright© 1995-2012 SAMSUNG. All rights reserved. 3-3
Disassembly and reassembly
(d) Run a safe open pry tool around the join of LOCKING PART to release the BACK COVER as illustrated in image.
Slightly wiggle the LOCKING PART to widen the gap. You'll have to apply a little force to remove it.
(e) Remove the BACK COVER ASSY.
Fig. 3-4
Fig. 3-5
BACK COVER ASSY

Disassembly and reassembly
3-4 Copyright© 1995-2012 SAMSUNG. All rights reserved.
2. Disassembly of KEY PCB ASSY.
Fig 3-7
Fig 3-6
(a) Lift up the KEY PCB ASSY in the direction of the arrow and remove it.
(b) Remove the CONNECTOR as indicated " Fig. A" below.
KEY PCB ASSY
Remove the FPCB from the connector.
Fig. A
FPCB

Copyright© 1995-2012 SAMSUNG. All rights reserved. 3-5
Disassembly and reassembly
(a) Remove the CONNECTOR as indicated " Fig. A" below and Then remove the LCD ASSY.
3. Disassembly of LCD ASSY.
Fig 3-8
SCREW MACHINE
Remove the two SCREWs.
4. Disassembly of MAIN FRAME.
Fig 3-9
LCD ASSY
CONNECTOR
FPCB
FPCB
1. Open.
2. Remove.
Remove the FPCB from the connector.
Fig. A

Disassembly and reassembly
3-6 Copyright© 1995-2012 SAMSUNG. All rights reserved.
MAIN FRAME
(b) Remove the MAIN FRAME.
Fig 3-10
5. Disassembly of BARREL ASSY and MAIN PCB ASSY.
Fig 3-11
(a) Remove the CONNECTOR as indicated " Fig. A" below..
CONNECTOR
FPCB
FPCB
1. Open.
2. Remove.
Remove the FPCB from the connector.
Fig. A

Copyright© 1995-2012 SAMSUNG. All rights reserved. 3-7
Disassembly and reassembly
BARREL/MAIN PCB ASSY
(b) Remove the BARREL ASSY/ASSY MAIN PCB.
Fig 3-12
Fig 3-13
(c) Remove the CONNECTOR as indicated " Fig. A" below.
CONNECTOR
FPCB
FPCB
1. Open.
2. Remove.
Remove the FPCB from the connector.
Fig. A

Disassembly and reassembly
3-8 Copyright© 1995-2012 SAMSUNG. All rights reserved.
Fig 3-14
(d) Remove the BARREL ASSY with MAIN PCB.
(a) Remove the CHAMBER ASSY.
Fig 3-15
CHAMBER ASSY
BARREL ASSY
MAIN PCB ASSY
6. Disassembly of TOP PCB ASSY.

Copyright© 1995-2012 SAMSUNG. All rights reserved. 3-9
Disassembly and reassembly
Discharging
It must be processed for discharge to the main condenser as shown in the below picture.
Fig 3-16
(c) Remove the two LOCKs from the TOP PCB ASSY.
Fig 3-17
(b) Discharge.
!
CAUTION