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Table Of Contents - Hitachi VK-S454 Service Manual

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SPECIFICATIONS .................................................. 1-1
COMPARISON OF SPECIFICATION ..................... 1-2
DISASSEMBLY PROCEDURE .............................. 2-1
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
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
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
CONTENTS
CONTENTS
8. Troubleshooting of IR control ....................... 3-19
(1) No IR control operation ......................................... 3-20
EXPLODED VIEW .................................................. 4-1
MECHANICAL PARTS ........................................... 5-1
ELECTRICAL PARTS ............................................ 5-2
CHAPTER 6 DIAGRAMS/MICRO-
INTERNAL WIRING DIAGRAM ............................. 6-1
SENSOR [SP] .................................... 6-3
PROCESS [PC] .................................. 6-5
SWITCHING REGULATOR [CSR] ..... 6-8
WAVEFORMS ........................................................ 6-2
BLOCK DIAGRAMS ............................................ 6-15
BOARD AND BLOCK
PROCESSOR PIN
FUNCTION TABLE
SCHEMATIC / CIRCUIT
/
/
/
BOARD
6-13
6-11
6-14

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