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Canon PowerShot 350 Service Manual - Page 55

Interface, Circuit, Board, Removal, Battery

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Step 4 Using a flat blade screwdriver, disconnect this connector. Part 3: Repair Information Step 5 While holding the Interface CB down, lift the main CB out as indicated by the arrow. CAUTION Cloth Screwdriver Cover the screwdriver tip with a soft cloth. Main CB Interface CB STEP 8: INTERFACE CIRCUIT BOARD REMOVAL Necessary Steps: Step 1, 7, 8 Step 1 Step 3 (GOLD) M 1.6 x 8mm Disconnect 2 connectors Step 2 Lift the Interface CB out as indicated by the arrow. Disconnect flex. Screw , Interface CB STEP 9: BATTERY CIRCUIT BOARD REMOVAL Necessary Steps: Step 1, 7, 8, 9 Step 2 0.. r C)) 0 (SILVER) M2 x 2.4mm Q (BLAC)K M 1.6 x 4mm cr Step 1 eX 3 Fig. 3-6 Disassembly (Interface CB) 3-5

Section	Page
POWERSHOT_350	1
CONTENTS	6
Part 1 General Information	9
INTRODUCTION	11
1.1 Digital Imaging	11
1.2 Hogh Image Quality	12
2. PRODUCT OUTLINE	13
2.1 Design Concept	13
2.2 Eternal View	14
2.3 Nomenclature	15
2.4 Functions and Operations	16
2.5 Flash	17
2.6 Exposure Compensation	17
2.7 White Balance	17
2.8 Self-Timer Mode	18
2.9 \	18
2.10 Multi-Image Mode	18
2.11 Erasing Images	19
2.12 Low Battery Indication	20
2.13 CF Card Warning Indicator	20
2.14 Personal Computer Connection Indicator	20
3. SPECIFICATIONS	21
4. SYSTEM	24
4.1 System Components and Ancillaries	24
4.2 Standard & Optional Equipment	25
4.3 Computer Connection	26
5. GLOSSARY OF TERMS	27
5.1 Major Camera Terminology	27
5.2 Major Software Terminology	28
5.3 Fixed-Focus and Auto-Focus	29
Part 2 Technical Information	31
1. ELECTRICAL CIRCUITS	33
1.1 Overall Blocks Diagram	33
1.2 Camera Block Diagram	34
1.3 CCD and Associated Circuits	35
1.4 Flash Systems Block	36
1.5 Digital Block	37
1.6 Data Compression Cicuits	38
1.7 ASIC Internal & Associated Circuits	39
1.8 Power Block	40
2. IC PIN CONNECTIONS	41
3. COMMUNICATION WITH PC	46
3.1 PC Cable	46
3.2 Connection to Various Operating Systems	46
4. FILE SHARING WITH POWERSHOT 600	47
4.1 PowerShot 600 Image Playback Restrictions	47
4.2 PowerShot 600 Image Playback Operation	47
Part 3 Repair Information	49
1. PREPARATION FOR REPAIR	51
1.1 Procedure	51
2. PREPARATIONS FOR ADJUSTMENTS	58
2.1 Extension Cables for Unit Checks	58
2.2 Tools List	59
2.3 Adjustments after Parts Replacement	60
3. ADJUSTMENTS	61
3.1 Using the Data Transfer unit	61
3.2 Basic Use	63
3.3 Focus Adjustment	67
3.4 V-Sub Adjustment	68
3.5 D/A Vref.	71
3.6 Pedestal	72
3.7 A/D Input Level	74
3.8 Encoder	76
3.9 Indoor White Balance Gain	78
3.10 Indoor Auto White Balance ( AWB ) Gain	80
3.11 Indoor Color Reproduction	81
3.12 Outdoor White Balance Gain	84
3.13 Indoor Auto White Balance Gain	86
3.14 Outdoor Color Reproduction	87
3.15 Flash Adjustment	90
3.16 Data Writing	92
3.17 Flourscent and Flash Color Reproduction Data Wiring	93
3.18 Data Transfer	94
Part 4 Parts Catalog	99

Match case Limit results 1 per page

Part

Repair

Information

Step

Using

flat

blade

screwdriver,

disconnect

this

connector.

CAUTION

Cloth

Screwdriver

Cover

the

screwdriver

tip

with

soft

cloth.

Step

Main

While

holding the

Interface

down,

lift

the

main

out

indicated

the

arrow.

Interface

STEP

INTERFACE

CIRCUIT

BOARD

REMOVAL

Necessary

Steps:

Step

(GOLD)

1.6

8mm

Disconnect

connectors

Lift

the

Interface

out

Step

indicated

the

arrow.

Disconnect

flex.

Screw

Interface

STEP

BATTERY

CIRCUIT

BOARD

REMOVAL

Necessary

Steps:

Step

0..

Step

Fig.

3-6

Disassembly

(Interface

CB)

C))

(SILVER)

2.4mm

(

BLACK

)

1.6

4mm

3-5