Sony DSR-250 Service Manual page 5

• XL-003 (CH1/CH2 MIC AMP)
SCHEMATIC DIAGRAM ·························· 4-113
• DD-146 (DC-DC CONVERTER),
DC-095 (DC OUT)
PRINTED WIRING BOARDS ··················· 4-115
• IN-057 (DC IN), VL-034 (LIGHT)
PRINTED WIRING BOARDS ··················· 4-117
• DD-146 (DC-DC CONVERTER),
DC-095 (DC OUT), IN-057 (DC IN),
VL-034 (LIGHT)
SCHEMATIC DIAGRAMS ························ 4-119
4-3. WAVEFORMS ···························································· 4-121
4-4. MOUNTED PARTS LOCATION ······························· 4-125
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 ····································································· 5-6
1-1-3. How to make the DC cable ·············································· 5-6
1-1-4. Precaution ········································································ 5-8
1. Setting the Switch ···························································· 5-8
2. Order of Adjustments ······················································ 5-8
3. Subjects ··········································································· 5-8
1-2. INITIALIZATION OF A, B, C, D, E, F, 8 PAGE DATA 5-9
1-2-1. INITIALIZATION OF A, C, D, 8 PAGE DATA ············· 5-9
1. Initializing the C, D, 8 Page Data ···································· 5-9
2. Modification of C, D, 8 Page Data ·································· 5-9
3. C Page Table ···································································· 5-9
4. D Page Table ·································································· 5-11
5. 8 Page Table ··································································· 5-12
6. Initializing the A Page Data ··········································· 5-12
1-2-2. INITIALIZATION OF B PAGE DATA ························· 5-13
1. Initializing the B Page Data ··········································· 5-13
2. Modification of B Page Data ········································· 5-13
3. B Page Table ·································································· 5-13
1-2-3. INITIALIZATION OF E, F PAGE DATA ····················· 5-14
1. Initializing the E, F Page Data ······································· 5-14
2. Modification of E, F Page Data ····································· 5-14
3. F Page Table ·································································· 5-14
4. E Page Table ·································································· 5-15
1-3. CAMERA SYSTEM ADJUSTMENTS ························ 5-16
1. 27MHz Origin Oscillation Adjustment (VI-156 board) ··· 5-16
2. Zoom Key Center Adjustment ······································· 5-16
3. HALL Adjustment ························································· 5-17
4. Offset Adjustment ·························································· 5-17
5. Flange Back Adjustment (Using Minipattern Box) ······· 5-18
6. Flange Back Adjustment
(Using Flange Back Adjustment Chart and Subject
More Than 500m Away) ··············································· 5-19
6-1. Flange Back Adjustment (1) ·········································· 5-19
6-2. Flange Back Adjustment (2) ·········································· 5-19
7. Flange Back Check ························································ 5-20
8. Picture Frame Setting ···················································· 5-20
9. Pre White Balance Data Input ······································· 5-21
10. Auto White Balance Standard Data Input ····················· 5-21
11. MAX GAIN Adjustment ··············································· 5-22
12. LV Standard Data Input ················································· 5-22
13. White Balance ND Filter 1 Compensation ···················· 5-23
14. White Balance ND Filter 2 Compensation ···················· 5-23
15. Auto White Balance Adjustment ··································· 5-24
16. Color Reproduction Adjustment (ND Filter OFF) ········ 5-24
17. Color Reproduction Adjustment (ND Filter 1) ·············· 5-25
18. Color Reproduction Adjustment (ND Filter 2) ·············· 5-25
19. White Balance Check ···················································· 5-26
20. Steady Shot Adjustment ················································ 5-27
20-1. Steady Shot Adjustment (1) ··········································· 5-28
20-2. Steady Shot Adjustment (2) ··········································· 5-29
1-4. LCD SYSTEM ADJUSTMENT ··································· 5-30
1. VCO Adjustment (PD-126 board) ································· 5-30
2. Bright Adjustment (PD-126 board) ······························· 5-31
3. Black Limit Adjustment (PD-126 board) ······················ 5-31
4. Contrast Adjustment (PD-126 board) ···························· 5-32
5. Center Level Adjustment (PD-126 board) ····················· 5-32
6. V-COM Adjustment (PD-126 board) ···························· 5-33
7. White Balance Adjustment (PD-126 board) ·················· 5-33
5-2. MECHANICAL SECTION ADJUSTMENT ··············· 5-34
5-2-1. PARTS REPLACEMENT AND PREPARATION FOR
ADJUSTMENT ····························································· 5-35
2-1-1. ASSEMBLY/DISASSEMBLY OF CASSETTE
COMPARTMENT ························································· 5-35
2-1-2. HOW TO LOAD/UNLOAD ·········································· 5-35
2-1-3. About Mode Selector II ················································· 5-36
3-1. OUTLINE ······································································ 5-36
1. Manual test ···································································· 5-36
2. Step test ········································································· 5-36
3. Auto test ········································································ 5-36
3-2. MECHANISM CONDITION (POSITION) SHIFTING
ORDER LIST ································································ 5-36
3-3. MODE SELECTOR II CONNECTION ······················· 5-36
5-2-2. PERIODIC CHECK ······················································ 5-37
2-2-1. CLEANING OF ROTARY DRUM ASSEMBLY ········· 5-37
2-2-2. CLEANING OF TAPE PATH SYSTEM ······················ 5-37
2-2-3. PERIODIC CHECKS ···················································· 5-37
5-2-3. PARTS REPLACEMENT ············································· 5-38
2-3-1. TAPE GUIDE 1/8 AND GUIDE GUARD ···················· 5-38
2-3-2. TAPE GUIDE 2/7 ·························································· 5-38
2-3-3. CAPSTAN COVER ······················································· 5-39
2-3-4. REEL MOTOR ······························································ 5-39
2-3-5. FL MOTOR ASSEMBLY, GEAR A, GEAR B AND
GEAR CD ASSEMBLY ················································ 5-39
2-3-6. GL ARM S ASSEMBLY, GL ARM T ASSEMBLY,
COASTER S ASSEMBLY AND COASTER T
ASSEMBLY ·································································· 5-40
2-3-7. MIC BASE GUIDE, MIC BASE ASSEMBLY AND
MIC BASE SPRING ····················································· 5-41
2-3-8. DRUM CAP, DRUM ASSEMBLY AND
TAPE SUPPORT ··························································· 5-41
2-3-9. PINCH ARM ASSEMBLY ··········································· 5-42
2-3-10. CAPSTAN MOTOR ··················································· 5-42
2-3-11. PENDULUM RETAINER AND PENDULUM ARM
ASSEMBLY ·································································· 5-42
2-3-12. BRAKE ARM S, RATCHET BRAKE T, TENSION
COIL SPRING (BRAKE), SBR SLIDER AND FP-248
FLEXIBLE BOARD (CONDENSATION SENSOR) ·· 5-43
2-3-13. REEL TABLE ASSEMBLY, IDLER GEAR A
ASSEMBLY AND IDLER GEAR B ···························· 5-43
2-3-14. REEL BASE RETAINER, REEL BASE T ASSEMBLY
AND REEL BASE S ASSEMBLY
(REEL LOCK RELEASE BLOCK AND REEL LOCK
RELEASE SPRING) ····················································· 5-44
2-3-15. CAM MOTOR, MOTOR HOLDER ··························· 5-44
2-3-16. TG2/7 ARM BLOCK, TG2/7 BAND BLOCK AND
TENSION COIL SPRING (TG2)/(TG7) ······················ 5-45
2-3-17. SUB-SLIDER ARM, SUB-SLIDER, ENCODER GEAR,
MAIN CAM GEAR, COUPLING GEAR, SUB-CAM GEAR,
PINCH SLIDER AND LOADING ARM ASSY ·············· 5-46
2-3-18. MAIN SLIDER, MAIN SLIDER ARM AND
PENDULUM STOPPER ASSEMBLY ························· 5-48
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