Olympus CV-160 User manual

MAINTENANCE MANUAL
CV-160

INTRODUCTION
Repair and maintenance of this product requires highly specialized knowledge and techniques.
We recommend that you contact an Olympus service center in your area if a problem develops
with the product. If repairs or modifications are made by personnel not authorized by Olympus,
the warranty is void, and Olympus shall not be liable for damage that occurs to or as a result of
use of the modified product.

CONTENTS CV-160
CONTENTS
CONTENTS
１． SPECIFICATIONS 1-1
２． CONNECTION DIAGRAM 2-1
３． BLOCK DIAGRAM 3-1
４． TROUBLESHOOTING 4-1
５． DISASSEMBLING/ASSEMBLING PROCEDURE 5-1
６． EXPLODED PARTS DIAGRAM 6-1
７． PARTS LIST 7-1

SPECIFICATIONS CV-160
1-1
SPECIFICATIONS
Specifications
Item Specification
1. Applicable scope 1. EVIS100 series scope
2. EVIS130 series scope
3. EVIS140 series scope
4. V series scope
5. EVIS EXERA 160 series scope
6. EVIS EXERA 145 series scope
7. Ultrasonic endoscope(100 series)
Note) Applicable scope cable is MAJ-843 only.
2. Applicable video converter 1. OES video converter
OVC-100
OVC-140
Connectable with OES fiberscopes.
1. EVIS universal light source unit
CLV-U40
2. High intensity light source
CLV-E, CLE-E
3. Applicable light source unit
3. EVIS EXERA high intensity light source unit
CLV-160, CLE-145
4. Applicable monitor 1. Recommended monitor
(1) 14” observation monitor
OEV141/142/143
(2) 20” observation monitor
OEV201/202/203
1. CV-160 exclusive keyboard (MAJ-845)
1 System specifications
5. Applicable keyboard
2. Structure
(1) ASCII key layout
(2) Provided with keyboard drip-proof cover (removable).
(3) Mountable on WM-60 series keyboard tray.
(4) Removable from CV-160.
(5) Flat keys and stroke keys are mixed.
1. Color system 1. Signal system
(1) NTSC
Primary supply voltage 100V class (North America,
Asia specification 1)
(2) PAL
Primary supply voltage 200V class (Asia specification 2)
Primary supply voltage 200V class (Europe
specification)
2. Monitor standard color
temperature
1. Color temperature setting
(1) 6500K
2. Television system
3. Synchronizing method Synchronizing only with the SYNC signal in CV-160.
1. Video output signal 1. Signal system
(1) VBS composite
(2) Y/C
(3) RGBS
* Simultaneous output of (1), (2) and (3) is possible.
3. Input/output conditions
2. Light control output signal 1. Output connector
•All specifications: Front scope cable connector and rear light
control connector

SPECIFICATIONS CV-160
1-2
Item Specification
2. Light control output signal 2. Output signal level
The output signal level for the automatic light control of an
applicable light source is defined by the following input
standard.
1. Type
(1) 100V class: North America (OAI), Asia 1 (OLA)
(2) 200V class: Europe (OE), Asia 2 (OLA)
2. Rated voltage and input current
(1) 100V class: 100 to 120V, 1.0A
(2) 200V class: 220 to 240V, 0.5A
3. Voltage fluctuation
• The unit performance shall be guaranteed within ±10% of
the rating.
• The unit operation shall be guaranteed within ±15% of the
rating and the temperature increase in ordinary operation
of IEC.
4. Frequency
• 50/60Hz
5. Frequency fluctuation
• The unit performance shall be guaranteed with ±1Hz of
the rating.
6. Power consumption
• 240VA
3. Input/output conditions
3. Power supply
7. Power cable
(1) 100V class (3 ±0.05m cord set)
3-pin hospital grade plug
(2) 200V class (3.2m cord set)
3-pin plug-less with uneven end
(Attach an appropriate plug in the destination.)
Input signal [mV]
F 30 or more
1 15
2 12.6
3 10.8
4 9.1
5 7.5
6 6.3
7 5.4
8 4.5
9 3.8
10 3.2
11 2.7
12 2.3
13 1.9
14 1.6
15 1.4
16 1.2
17 0.95

SPECIFICATIONS CV-160
1-3
Item Specification
1. Observation image display position
1. Type of observation
image
The user can select the endoscopic image display size from the
followings depending on the scope (CCD) applied.
Note 1)
Change the display size on the keyboard or with the scope
switch or RS-232C communication.
Note 2)
Standard setting is as follows.
• 3700/01/08: NTSC = Medium
PAL = Medium
• 3704: NTSC = Full-height
PAL = Semi full-height
• 37071: NTSC = Small
PAL = Small
1. Specifications
• When replacing the scope with a different type,adjust the
white balance using the supplied white cap.
• A memory function is provided to hold the previous white
balance data even if the power switch is turned off.
• Calibrate the white balance automatically if the scope
with the scope ID function (EVIS EXERA 160 series) is
connected to the CV-160.
Note) It is necessary to calibrate manually again if the light
source changed.
2. Setting method
• Select the type of light source(xenon=CLV/halogen=CLE)
on the system setup screen.
• Depress the white balance switch on the front panel.(It is
not necessary for scopes with the scope ID function.)
3. Switch depression detection time
• Approx. 1 second
4. Observation
2. Front panel picture quality adjustment
1. White balance
4. Time required by correction operation
• Approx. 1 second
North America specification (NTSC) Europe specification (PAL)
CCD 3700,01,08 3704 37071 3700,01,08 3704 37071
Display
size
2 steps
Medium
↓
Full-height
1 step
Full-high
only
2 steps
Small
↓
Medium
3 steps
Medium
↓
Semi
full-height
↓
Full-height
2 steps
Semi
full-height
↓
Full-height
2 steps
Small
↓
Medium

SPECIFICATIONS CV-160
1-4
Item Specification
1. Specification
• Switch the peak/average iris mode depending on a subject.
2. Standard setting: Average
2. Automatic light
control
3. Setting method
(1) Switch on the front panel
(2) Scope switch
(3) RS-232C communication
Note) Assign the scope switch on the user preset screen.
1. Specification
A subject image is enhanced in three steps (Low/Med./High).
2. Standard setting: Low
3. Edge enhancement
3. Setting method
(1) Set the edge enhancement mode (Enh.Type: Edg.) on
the user preset screen.
(2) Switch on the front panel
(3) Scope switch
(4) RS-232C communication
1. Specification
A subject image is enhanced in three steps
(Low/Med./High).
2. Standard setting
The standard setting of each level:
Low:Level1, Med.:Level3, High:Level5
4. Structure
enhancement
3. Setting method
(1) Set the structure enhancement mode (Enh.Type: Str.)
on the user preset screen.
(2) Select the set value (Level 0 to 8) for each enhancement
level (L/M/H) on the user preset screen.
(3) Switch on the front panel
(4) Scope switch
(5) RS-232C communication
1. Specification
Desired color can be selected.
(Select from four types of R, B, C and Light off.)
2. Standard setting
Light off (not selected)
1. Selection of
adjustment
color
3. Setting method
Color tone selector switch on the front panel
(Each time the switch is depressed, the color is changed in
the order of R, B, C, Light off and R.)
1. Specification
Color tone of red group can be adjusted.
2. Standard setting
Center of the variable range (±0 step)
3. Setting method
(1) Adjust with the color tone adjustment switch on the
front panel.
(2) Adjust with RS-232C communication.
4. Observation
2. Front panel picture quality adjustment
5. Color tone adjustment
2. Red group color
adjustment
(when R is
selected)
4. Variable range
±7 steps
(LED indicates step values on the front panel.)

SPECIFICATIONS CV-160
1-5
Item Specification
1. Specification
Color tone of blue group can be adjusted.
2. Standard setting
Center of the variable range (±0 step)
3. Setting method
(1) Adjust with the color tone adjustment switch on the
front panel.
(2) Adjust with RS-232C communication.
3. Blue group
color
adjustment
(when B is
selected)
4. Variable range
±7 steps
(LED indicates step values on the front panel.)
1. Specification
Color density (chroma) can be adjusted without changing the
hue.
2. Standard setting
Center of the variable range (±0 step)
3. Setting method
(1) Adjust with the color tone adjustment switch on the
front panel.
(2) Adjust with RS-232C communication.
5. Color tone adjustment
4. Color density
adjustment
(when C is
selected)
4. Variable range
±7 steps
(LED indicates step values on the front panel.)
1. Specification
The output image to the observation monitor is changed to
the scope image, and the light control, edge/structure
enhancement and color tone and contrast etc. are set on
User Preset 1.
2. Front panel picture quality adjustment
6. Reset switch
2. Setting method
Press the reset switch on the front panel. (Depress the
switch more than 1 second)
1. Specifications
Turn ON/OFF as needed, depending on the endoscopic
image.
2. Standard setting: ON
1. AGC
3. Setting method
(1) Switch with the keys (Shift + F2 key) on the keyboard.
(2) Switch with the scope switch.
(3) Switch with RS-232C communication.
Note) Assign the scope switch on the user preset screen.
1. Specifications
Selectable from the three modes.
Normal :Ordinary observation
Low :Low contrast mode
(Brighten the dark portion, and darken the bright
portion.)
High :High contrast mode
(Brighten the bright portion, and darken the dark
portion.)
2. Standard setting: ON
4. Observation
3. Other picture quality adjustment
2. γ(contrast)
3. Setting method
(1) Select with the keys (Shift + F5 key) on the keyboard.
(2) Switch with the scope switch.
(3) Switch with RS-232C communication.
Note) Assign the scope switch on the user preset screen.

SPECIFICATIONS CV-160
1-6
Item Specification
1. Specifications
Make a moving image a still image.
(Field freeze system)
3. Other picture
quality adjustment
3. Freeze
2. Setting method
(1) Freeze with the freeze switch on the keyboard.
(2) Freeze with the scope switch.
(3) Freeze with RS-232C communication.
Note) Assign the scope switch on the user preset screen.
1. Specifications
(1) The observing image size is selectable.
4. Image display
function
1. Display area change
(Electric
magnification) 2. Setting method
(1) Set with the switch (Function key F5) on the keyboard.
(2) Change with the scope switch.
(3) Change with RS-232C communication.
Note) Assign the scope switch on the user preset screen.
1. Specifications
100% Color bar is displayed on the screen for adjustment of
the monitor.
1. Standard chart image
output
2. Setting method
(1) Select with the key (Function key F2) on the keyboard.
(2) Select with RS-232C communication.
1. Specifications
(1) Select the signal to the monitor from the inputs (scope,
printer, VTR and digital file).
4. Observation
5. Input/Output switching function
2. Selection of output
signal to the monitor
2. Setting method
(1) Select with the switch on the front panel (Image
Source).
(2) Select with RS-232C communication.
・The scope image is displayed at marked ×.
・Switching the monitor image is controlled by the monitor
remote signal.
Near the center:
1. 3700/01/08
(1) Composite signal, RGB signal, Y/C signal outputs
(240TV lines or more)
2. 3704
(1) Composite signal output
(350TV lines or more)
(2) RGB signal, Y/C signal outputs
(400TV lines or more)
5. Picture quality
1. Resolution
1. Luminance
Horizontal resolution
(Magnify in the
horizontal direction
so that the aspect
ratio (H:V) becomes
4:3 with the vertical
magnification rate of
1X, and adjust the
view angle.) 3. 37071
(1) Composite signal, RGB signal, Y/C signal outputs
(400TV lines or more)
Output to the monitorIMAGE
SOURCE RGB Y/C VBS
SCOPE ○○○
PRINTER ××○
VTR ×○○
D.F. ○××

SPECIFICATIONS CV-160
1-7
Item Specification
Near the center:
1. 3700/01/08
(1) Composite signal, RGB signal, Y/C signal outputs
(320TV lines or more)
2. 3704
(1) Composite signal, RGB signal, Y/C signal outputs
(320TV lines or more)
1. Resolution
2. Luminance
Vertical resolution
(Magnify in the
horizontal direction
so that the aspect
ratio (H:V) becomes
4:3 with the vertical
magnification rate of
1X, and adjust the
view angle.)
3. 37071
(1) Composite signal, RGB signal, Y/C signal outputs
(320TV lines or more)
5. Picture quality
2. S/N 1. (37dB or more)
[Conditions]
AGC: OFF
Contrast: Normal
Image enhancement: Edge enhancement (Low)
1. Specifications
40 patient data can be registered and accessed.
2. Setting method
Input from the keyboard on the patient data screen.
1. Registration and access of
patient data
3. Input items
(1) ID No.
(2) Patient name
(3) Sex and age
(4) Date of birth (Date of inspection is automatically
displayed.)
1. Specifications
The patient data to register, the comment to input after
registration, the number of video print, etc. can be displayed
on the screen.
2. Setting method
(1) Input from the keyboard.
(2) Input with RS-232C communication.
6. Recording
2. Recording and displaying
of patient data
3. Display items
(1) ID No.
(2) Patient name
(3) Sex and age
(4) Date of birth
(5) Date of inspection, time (stopwatch)
(6) Comment
(7) Dr. name
(8) (Video print number/divided number)
(9) (Image enhancement mode: Enhance level)
(10) (Contrast mode)
Note) Only the item in ( ) is indicated.