Hitachi VK-S454 Bedienungsanleitung
SERVICE MANUAL
VK-S454
VK-S454E
TK No. 8101E
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
COLOR VIDEO CAMERA
2001January Digital Media Products Division,Tokai
Microsoft, MS, MS-DOS, Windows and Windows NT are registered trademarks of Microsoft Corporation.
Pentium and Celeron are registered trademarks of Intel Corporation.
Manufactured under license from Dolby Laboratories.
"Dolby" and double-D symbol are trademarks of Dolby Laboratories.
Confidential unpublished works. (C) 1992-2001 Dolby Laboratories Inc. All rights reserved.
IBM is registered trademarks of International Business Machines Corporations.
Other company names and product names listed are trademarks or brand names belonging to each company.
CAUTION-1
Many electrical and mechanical parts have special safety-related characteristics. These are often not evident from visual
inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for a
higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this
Service Manual. Electrical components having such features are identified by marking with a on the schematics and the
parts list in this Service Manual. The use of a substitute replacement component which does not have the same safety
characteristics as the HITACHI recommended replacement one, shown in the parts list in this Service Manual, may create
shock, fire, or other hazards. Product safety is continuously under review and new instructions are issued from time to time.
For the latest information, always consult the current HITACHI Service Manual. A subscription to, or additional copies for,
HITACHI Service Manual may be obtained at a nominal charge from HITACHI SALES CORPORATION.
PRODUCT SAFETY NOTICE
!
CAUTION-2
Notes When Using Service Manual
The following shows the contents to be noted when using service manual:
1. Value units used in parts list
This table shows locations of each part on circuit board
diagrams. The locations are indicated using the guide
scales on the external lines of diagrams.
1) One diagram indicated for each board
The values, dielectric strength (power capacitance) and
tolerances of the resistors (excluding variable resistors)
and capacitors are indicated in the schematic diagrams
using abbreviations.
[Resistors]
Certain symbols are indicated below for value units of
resistors, capacitors and coils in parts list. When you read
them note the following regular indications:
Indication in list Regular indication
KOHM ........................................... k
UF ................................................ µF
PF ................................................ pF
UH ................................................ µH
MH ............................................... mH
Parts
Resistor
Capacitor
Coil
2) Two diagrams indicated for each board
2. Values in schematic diagrams
Item
Value
Tolerance
Power
capacitance
Indication
No indication ...................................
K................................................... k
M.................................................. M
No indication ............................. ±5%
(All tolerances other than ±5% are
indicated in schematic diagrams)
No indication ............................ 1/8W
(1/16W for leadless resistors without
indication)
All capacitances other than the above
are indicated in schematic diagrams.
[Capacitors]
Item
Value
Dielectric
strength
Indication
No indication ................................. µF
P................................................... pF
No indication .............................. 50V
(All dielectric strengths other than 50V
are indicated in schematic diagrams)
Item
Value
Indication
µ.................................................... µH
m.................................................. mH
[Coils]
3. Identifications of sides A/B in
circuit board diagrams
1) Board having a pattern on one side and parts on both
sides.
Side A: Shows discrete parts, viewed from the pattern
side.
Side B: Shows leadless parts, viewed from the
pattern side.
2) Board having patterns on both sides and parts on
both sides.
Side A: Shows parts and patterns which can be seen
when the case is opened.
Side B: Shows parts and the pattern on the back of
side A.
4. Table for indexing locations of parts
Parts
Location
2 A
Symbol
No.
IC
IC1201
Type of part
Zone "A" on board diagram
Circuit No. Zone "2" on board diagram
Parts
Location
A - 2 A
Symbol
No.
IC
IC1201
Zone "2" on board
diagram
A: Shows side A
B: Shows side B
Zone "A" on board
diagram
Type of
part
Circuit No.
CONTENTS
CONTENTS
CHAPTER 1 GENERAL INFORMATION
SPECIFICATIONS.................................................. 1-1
COMPARISON OF SPECIFICATION ..................... 1-2
COMPARISON OF MAIN CONTROL ICs .............. 1-2
CHAPTER 2 DISASSEMBLY
DISASSEMBLY PROCEDURE .............................. 2-1
CHAPTER 3 ELECTRIC CIRCUIT
ADJUSTMENT
1. Test Equipment/Jigs Necessary for
Adjustment ...................................................... 3-1
1.1 List of equipment and jigs ....................................... 3-1
1.2 List of charts for Adjustment ................................... 3-1
1.3 Test equipment, etc. ................................................ 3-1
2. Before Starting Adjustment ............................ 3-2
2.1 Connections for adjustment .................................... 3-2
2.2 Notes....................................................................... 3-2
2.3 Setting test equipment ............................................ 3-3
3. List of Adjustment Items................................. 3-4
4. Starting Adjustment Program (SMAP) ........... 3-5
5. Adjustment Procedure .................................... 3-6
5.1 Data initialize .......................................................... 3-6
(1) Data initialize ..................................................... 3-6
5.2 Electronic Volume ................................................... 3-6
(1) CDS Sampling Pulse Adjustment ...................... 3-6
5.3 Adjustment .............................................................. 3-7
(1) Auto Iris Control Adjustment.............................. 3-7
(2) White Balance Adjustment ................................ 3-7
(3) Chroma Gain Adjustment .................................. 3-8
5.4 Autofocus ................................................................ 3-9
(1) Zoom/Focus Tracking Adjustment ..................... 3-9
(2) AF Noise Level Adjustment ............................... 3-9
(3) Check of Zoom Track ....................................... 3-10
5.5 Spot Noise ............................................................ 3-10
(1) Spot Noise Adjustment .................................... 3-10
5.6 IR Control .............................................................. 3-11
(1) IR Control Adjustment ..................................... 3-11
6. Error Message................................................ 3-12
6.1 Error Message of Electrical Volume and
Adjustment ............................................................ 3-12
6.2 Error Message of Autofocus ................................. 3-13
7.3 Error Message of Spot Noise................................ 3-13
7.4 Error Message of IR Control ................................. 3-13
7. Troubleshooting of Autofocus ...................... 3-14
(1) No zoom and focus operation ............................... 3-14
(2) No focus lens operation ........................................ 3-16
(3) No zoom operation................................................ 3-17
(4) No autofocus operation ......................................... 3-18
(5) Subject is greatly out-of -focus when zoomed ...... 3-19
CHAPTER 4 EXPLODED VIEW
EXPLODED VIEW .................................................. 4-1
CHAPTER 5 REPLACEMENT
PARTS LIST
MECHANICAL PARTS ........................................... 5-1
ELECTRICAL PARTS ............................................ 5-2
SCHEMATIC, CIRCUIT
BOARD AND BLOCK
CHAPTER 6 DIAGRAMS/MICRO-
PROCESSOR PIN
FUNCTION TABLE
INTERNAL WIRING DIAGRAM ............................. 6-1
SENSOR [SP] .................................... 6-3 / 6-13
PROCESS [PC].................................. 6-5 / 6-11
SWITCHING REGULATOR [CSR] ..... 6-8 / 6-14
WAVEFORMS ........................................................ 6-2
BLOCK DIAGRAMS ............................................ 6-15
MICROPROCESSOR PIN FUNCTIONTABLE .... 6-17
SCHEMATIC / CIRCUIT
BOARD
8. Troubleshooting of IR control....................... 3-19
(1) No IR control operation ......................................... 3-20
1 - 1
CHAPTER 1 GENERAL INFORMATION
SPECIFICATINOS
Note: The specifications are subject to change for improvement without notice.
Signal VK-S454: NTSC Format
VK-S454E: PAL Format
Scanning System 2:1 Interlaced
Image Sensor 4.5 mm Dia. (1/4-inch) CCD Image Sensor
Number of Effective Pixels VK-S454: 724 (H) × 494 (V)
VK-S454E: 724 (H) × 582 (V)
Total Number of Pixels VK-S454: 758 (H) × 504 (V)
VK-S454E: 758 (H) × 592 (V)
Scanning Frequency VK-S454: Horizontal 15.734 kHz
Vertical 59.94 Hz
VK-S454E: Horizontal 15.625 kHz
Vertical 50 Hz
Video Signal Output Composite Signal 1.0 Vp-p
Minimum Required Illumination Standard 3.0 lx
DS shutter 0.2 lx
IRcf OFF 0.02 lx
S/N Ratio 50 dB or more
Horizontal Resolution 470 TV Line or more
Operating Temperature 0 - 60 °C
Operating Humidity 10 - 90 %
Power Input DC 9 V ± 0.5 V
Power Consumption 4.6 W or less
Dimensions 50 (W) × 60 (H) × 89.5 (D) mm
Weight Approx. 230 g
1 - 2
COMPARISON OF SPECIFICATION
ITEM
Signal Format
Power Requirements
Power Consumption
Dimensions (W × H × D mm)
Weight
Lens
Operating Temperature/Humidity
Image Sensor
Number of Effective Pixels
Total Number of Pixels
Scanning System
Horizontal Scanning Frequency
Vertical Scanning Frequency
Sync Format
Video Signal Output
S/N Ratio
Horizontal Resolution
Minimum Required Illumination
(Standard)
IR cf Mode
ITEM
CCD Sensor
Sensor Drive
Buf. Amp
CDS AGC & A/D CONV.
Camera Digital Signal Processor (DSP)
SD RAM
Inv.
Clock Generator
Digital µP
EEPROM
Reset Pulse Gen.
Zoom Motor Drive
Focus Motor Drive
IR Filter Drive
F.Det./Iris Drive
PWM
Y/C Mix. & Video Amp
Level Shift
VCO/Phase Compa.
FV Pulse Gen.
Inv.
NTSC/PAL Switch
COMPARISON OF MAIN CONTROL ICs
VK-S454/VK-S454E
VK-S454: NTSC
VK-S454E: PAL
DC 9 V
4.6 W (MAX)
50 × 60 × 89.5
Approx. 230 g
Power zoom × 23 (3.6 - 82.8 mm)
F 1.6 - 3.7
0 °C to 60 °C
(Recommendation: 0 °C to 40 °C)
10 % to 90 %
4.5mm Dia. (1/4 inch) CCD
VK-S454: 724 (H) × 494 (V)
VK-S454E: 724 (H) × 582 (V)
VK-S454: 758 (H) × 504 (V)
VK-S454E: 758 (H) × 592 (V)
2:1 Interlaced
VK-S454: 15.734 kHz
VK-S454E: 15.625 kHz
VK-S454: 59.94 Hz
VK-S454E: 50 Hz
Internal/External
Composite Signal 1.0 Vp-p
50 dB or more
470 TV Line or more
3.0 lx
Provided
VK-S454/VK-S454E
VK-S454: ICX216AN (IC1001)
VK-S454E: ICX217AN (IC1001)
µPD16510GR (IC1002)
HD74AC244 (IC1003)
HD49325BHF (IC1101)
HG75C015ABT (IC1121)
µPD456323G5-A10BL-9JH (IC1150)
TC7SHU04FU (IC1171)
MJU6321P (IC1173)
VK-S454 Series µP (IC1201)
X25097V1-2.7 (IC1250)
RN5VD27AA (IC1251)
TC7S08FU (IC1206)
MPC17AT85VMEL (IC1301)
MPC17AT85VMEL (IC1302)
MPC17AT85VMEL (IC1380)
µPD5023GS-147-GJG (IC1351)
TL1464IPT (IC1501)
BA7664FV (IC1601)
HD74HCT125T (IC1602)
74VHC4046MTCX (IC1603)
TC7S08 (IC1604)
TC7SHU04FU (IC1605)
NJM2533V (IC1606)
VK-S234/VK-S234E
VK-S234: NTSC
VK-S234E: PAL
3.3 W (MAX)
Power zoom × 22 (4.0 - 88.0 mm)
F 1.6 - 3.8
VK-S234: 768 (H) × 494 (V)
VK-S234E: 752 (H) × 582 (V)
VK-S234: 811 (H) × 508 (V)
VK-S234E: 795 (H) × 596 (V)
VK-S234: 15.734 kHz
VK-S234E: 15.625 kHz
VK-S234: 59.94 Hz
VK-S234E: 50 Hz
VK-S234: 470 TV Line or more
VK-S234E: 460 TV Line or more
Not Provided
VK-S234/VK-S234E
VK-S234: ICX208AK (IC1001)
VK-S234E: ICX209AK (IC1001)
Not provided
HD49323AF (IC1101)
HG73C053FE (IC1121)
MSM51V18165BSL-6TS-K (IC1122)
TC7SU04F (IC1173)
TC7SU04F (IC1174)
HD6432237M09TE (IC1201)
X25097V1-2.7 (IC1202)
RN5VD27AA (IC1203)
Not provided
Not provided
Not provided
2 - 1
CHAPTER 2 DISASSEMBLY
Fig. 2-1
D
SP CIRCUIT
BOARD
CSR
CIRCUIT
BOARD
PC CIRCUIT
BOARD
B
A
D
B
A
C
(3)
(1)
(10)
LENS
BLOCK
CRYSTAL
FILTER
RUBBER
CCD
SENSOR
(8)
(7)
BRACKET (2)
(6)
(5)
BRACKET-R
BRACKET-L
(9)
(4)
REMOVE
TWO
SCREWS
REMOVE
TWO
SCREWS
REMOVE
TWO
SCREWS
DISCONNECT
TWO FLAT
CABLES (*1)
REMOVE
ONE
SCREW
REMOVE
ONE
SCREW
REMOVE
TWO
SCREWS
(*2)
REMOVE
TWO
SCREWS
UNSOLDER
FOURTEEN
POINTS
REMOVE
THREE
SCREWS
C
(1)
(2)
(1)
(1) Release the lock of the connector
on the left and right.
(2) Pull out the flat cable
Fig. 2-1-1
*1: Do not the pull out the flat cable or touch the exposed
terminal at the connecting position with your bare
hands as it could cause a defective (1) and (2) shown
in Fig. 2-1-1.
*2: When the SP circuit board is removed, the crystal filter
and rubber are also removed.
Be careful not to damege and lose them.
PROCEDURE
3 - 1
CHAPTER 3 ELECTRIC CIRCUIT ADJUSTMENT
1. Test Equipment/Jigs Necessary for Adjustment
1.1 List of equipment and jigs
1.2 List of charts for adjustment
1.3 Test equipment, etc.
Color video monitor (color TV for monitoring)
Oscilloscope
Vectorscope [If not available, adjustment is still possible, but easier if this is used]
Digital voltmeter (DVM)
3100 K light box
DC power supply (9 V/3 A) [To power of video camera]
DC power supply (5 V/1 A) [To power of DSP-R jig]
*1
: The adjustment floppy disk is not for sale: It will be
supplied only when service maintenance contract
is concluded.
DSP-R Jig
No.7099448
C12 Light Balancing Filter
No.7099369
Personal Computer (PC)
[Goods on the Market]
Personal Computer Cable
RS-232C (9 or 25 pins)
Straight Type
[Goods on the Market]
New
Adjutsment Floppy
Disk (
*1
)
DSP Interface Connect Jig
No. 7069179
Color Bar Chart Gray Scale Chart Backfocus Chart
3 - 2
2. Before Starting Adjustment
2.1 Connections for adjustment
Connect the video camera to the test equipment and jigs as shown in Fig. 2-1.
2.2 Notes
1) All adjustments are performed using the adjustment program and personal computer (PC). The adjustment program is
subject to change without notice for improvements in functions and operability, and the actual instructions on PC screen
may be different from those in this manual: If so, follow the instructions on PC screen to proceed with adjustment.
2) The adjustment program will not operate normally unless the video camera, PC and test equipment/jigs are all turned on.
3) Be sure to connect the video output of video camera to a color video monitor (terminate the video output with 75 ohm:
If the video output is not connected to the monitor (and if it is not terminated with 75 ohm), the output video signal level
cannot be measured correctly.
Fig. 2-1
PG1601
VIDEO CAMERA
LIGHT
BOX
9PIN FLAT CABLE
(ACCESSORY)
COLOR VIDEO
MONITOR
VIDEO IN
19
DSP INTERFACE CONNECT JIG
123456789
RD WHT
SD BRW
GND BRW
+B BRW
GND BRW
VIDEO OUT BRW
GND BRW
EX. FV BRW
GND BRW
1
2
3
4
5
6
7
8
9
+
DC POWER
SUPPLY
(9V/3A)
GND
+
DC POWER
SUPPLY
(5V/1A)
GND
PERSONAL
COMPUTER
PERSONAL
COMPUTER
CABLE (RS-232C)
DSP-R JIG
BLK
RED
BLK
WHT
YEL
3 - 3
4) Use light box that does not flicker and whose color temperature is controlled, for adjustment. If an inappropriate light box is
used, precise adjustment will not be possible, and the adjustment program will not operate normally.
5) Take care with the following when pointing the video camera at a chart (light box):
Focus the chart correctly.
Set the chart (light box) 30-50 cm away from the lens surface, and avoid any effects from surrounding light (except for
a case where some designation is given).
Aim at the chart and let chart fill the screen (video period). (Except for a case where some designation is given.)
2.3 Setting test equipment
1) Set the switches, knobs and each mode of oscilloscope as follows for adjustment:
Probe: 10:1
TIME/DIV: 10 or 20 µs (except for a case where some designation is given)
VOLTS/DIV: Will vary depending on the measurement object (except for a case where some designation is
given)
Synchronization: Internal sync (except for a case where some designation is given)
AC/DC/GND: AC (except for a case where some designation is given)
Note: The names of switches, knobs, modes, etc. of oscilloscope may vary slightly depending on the manufacturer or
model. Since some oscilloscopes may have switches, etc. other than the above that must be set, see the instruction
manual of the particular oscilloscope for details.
Dieses Handbuch passt für folgende Modelle
1
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