— 4 —
• MR-44 (CONNECTOR, DRUM/CAPSTAN MOTOR
DRIVE, TIMING GENERATOR, REC/PB HEADAMP,
LASER LINK)
PRINTED WIRING BOARD ·······················4-47
• FP-91 (MODE), FP-92 (TOP/END SENSOR,
TAPE LED), FP-242 (S/T REEL SENSOR)
PRINTED WIRING BOARDS ·····················4-49
• MR-44 (CONNECTOR)(1/5)
SCHEMATIC DIAGRAM ····························4-51
• MR-44 (DRUM/CAPSTAN MOTOR DRIVE)(2/5)
SCHEMATIC DIAGRAM ····························4-53
• MR-44 (ID DETECT, TIMING GENERATOR)(3/5)
SCHEMATIC DIAGRAM ····························4-55
• MR-44 (REC/PB HEAD AMP)(4/5)
SCHEMATIC DIAGRAM ····························4-57
• MR-44 (LASER LINK)(5/5)
SCHEMATIC DIAGRAM ····························4-59
• FJ-25 (VIDEO IN/OUT, DC IN)
SCHEMATIC DIAGRAM ····························4-61
• FJ-25 (VIDEO IN/OUT, DC IN)
PRINTED WIRING BOARD ·······················4-63
• CONTROL SWITCH BLOCK (FK-4950)
SCHEMATIC DIAGRAM ····························4-67
• CONTROL SWITCH BLOCK (ME-4950)
SCHEMATIC DIAGRAM ····························4-69
• MA-367 (MIC AMP)
PRINTED WIRING BOARD ·······················4-71
• MA-367 (MIC AMP)
SCHEMATIC DIAGRAM ····························4-73
• PD-125 (RGB DRIVER, TG)
PRINTED WIRING BOARD ·······················4-75
• PD-125 (RGB DRIVER)(1/2)
SCHEMATIC DIAGRAM ····························4-77
• PD-125 (TG)(2/2)
SCHEMATIC DIAGRAM ····························4-79
• VF-138 (LCD DRIVER)(1/2)
SCHEMATIC DIAGRAM ····························4-81
• VF-138 (BACK LIGHT DRIVER)(2/2)
SCHEMATIC DIAGRAM ····························4-83
• VF-138 (LCD DRIVER, BACK LIGHT DRIVER)
PRINTED WIRING BOARD ·······················4-85
4-3. WAVEFORMS ······························································4-87
4-4. MOUNTED LOCATION ··············································4-92
5 ADJUSTMENTS
1. Before starting adjustment···············································5-1
1-1. Adjusting items when replacing main parts and boards.·5-2
5-1. CAMERA SECTION ADJUSTMENT ···························5-4
1-1. PREPARATIONS BEFORE ADJUSTMENT
(CAMERA SECTION) ···················································5-4
1-1-1.List of Service Tools ························································5-4
1-1-2.Preparations ·····································································5-5
1-1-3.Precaution ········································································5-7
1. Setting the Switch····························································5-7
2. Order of Adjustments ······················································5-7
3. Subjects ···········································································5-7
1-2. INITIALIZATION OF B, C, D, E, F, 7 PAGE DATA ·····5-8
1-2-1.INITIALIZATION OF C PAGE DATA···························5-8
1. Initializing the C Page Data·············································5-8
2. Modification of C Page Data ···········································5-8
3. C Page Table ····································································5-8
1-2-2.INITIALIZATION OF D PAGE DATA ························5-10
1. Initializing the D Page Data ··········································5-10
2. Modification of D Page Data·········································5-10
3. D Page Table··································································5-11
1-2-3.INITIALIZATION OF B PAGE DATA·························5-12
1. Initializing the B Page Data···········································5-12
2. Modification of B Page Data ·········································5-12
3. B Page Table ··································································5-13
1-2-4.INITIALIZATION OF E, F, 7 PAGE DATA ·················5-13
1. Initializing the E, F, 7 Page Data ···································5-13
2. Modification of E, F, 7 Page Data ·································5-13
3. Modification of F Page Data ·········································5-14
4. F Page Table ··································································5-14
5. E Page Table ··································································5-17
6. 7 Page Table···································································5-19
1-3. CAMERA SYSTEM ADJUSTMENTS ························5-21
1. 54MHz/66MHz Origin Oscillation Adjustment
(CD-234 board) ·····························································5-21
2. Zoom Key Center Adjustment ·······································5-21
3. HALL Adjustment ·························································5-22
4. MR Adjustment ·····························································5-22
5. Flange Back Adjustment (Using Minipattern Box)·······5-23
6. Flange Back Adjustment
(Using Flange Back Adjustment Chart and Subject
More Than 500m Away) ···············································5-24
6-1. Flange Back Adjustment (1) ··········································5-24
6-2. Flange Back Adjustment (2) ··········································5-24
7. Flange Back Check························································5-25
8. Picture Frame Setting ····················································5-25
9. Color Reproduction Adjustment····································5-26
10. MAX GAIN Adjustment ···············································5-27
11. Auto White Balance & LV Standard Data Input ···········5-27
12. Auto White Balance Adjustment ···································5-28
13. White Balance Check ····················································5-28
14. Mechanical Shutter Data Input······································5-29
15. Angular Velocity Sensor Sensitivity Adjustment ··········5-29
1-4. COLOR ELECTRONIC VIEWFINDER
SYSTEM ADJUSTMENT ············································5-30
1. VCO Adjustment (VF-138 board) ·································5-30
2. Bright Adjustment (VF-138 board) ·······························5-31
3. Contrast Adjustment (VF-138 board)····························5-31
4. White Balance Adjustment (VF-138 board)··················5-32
1-5. LCD SYSTEM ADJUSTMENT ···································5-33
1. VCO Adjustment (PD-125 board) ·································5-33
2. Black Limit Adjustment (PD-125 board) ······················5-34
3. Bright Adjustment (PD-125 board) ·······························5-34
4. Gamma-1 Adjustment (PD-125 board) ·························5-35
5. Contrast Adjustment (PD-125 board)····························5-35
6. Center Level Adjustment (PD-125 board)·····················5-36
7. White Balance Adjustment (PD-125 board)··················5-36
5-2. MECHANISM SECTION ADJUSTMENT ··················5-37
2-1. HOW TO ENTER RECORD MODE WITHOUT
CASSETTE ···································································5-37
2-2. HOW TO ENTER PLAYBACK MODE
WITHOUT CASSETTE················································5-37
2-3. TAPE PATH ADJUSTMENT ········································5-37
1. Preparation for Adjustment ···········································5-37
2. Processing after Completing Operations:······················5-37
5-3. VIDEO SECTION ADJUSTMENT ······························5-38
3-1. PREPARATIONS BEFORE ADJUSTMENTS ············5-38
3-1-1.Equipment to Required··················································5-38
3-1-2.Precautions on Adjusting ···············································5-39
3-1-3.Adjusting Connectors ····················································5-40
3-1-4.Connecting the Equipment ············································5-40
3-1-5.Checking the Input Signals············································5-40
3-1-6.Alignment Tapes····························································5-41
3-1-7.Input/Output Level and Impedance ·······························5-41
3-2. SYSTEM CONTROL SYSTEM ADJUSTMENT········5-42
1. Initialization of B, C, D, E, F, 7 Page Data ···················5-42
2. Serial No. Input ·····························································5-42
2-1. Company ID Input·························································5-42
2-2. Serial No. Input ·····························································5-42
3. Battery End Check (VC-227 board) ······························5-44