– 5 –
DSR-45/45P
Section Title Page Section Title Page
• VD-032 ................................................................... 4-127
• CM-59 ..................................................................... 4-131
• MD-76 ..................................................................... 4-135
• CK-107/DL-062 ...................................................... 4-137
• FC-087/FM-037 ...................................................... 4-138
• FR-183.................................................................... 4-139
• HP-135 ................................................................... 4-143
• PD-170 ................................................................... 4-145
• JK-216 .................................................................... 4-147
• XL-005 .................................................................... 4-151
•RS-082/RS-083 ...................................................... 4-153
•DV-032 .................................................................... 4-155
• LS-060 .................................................................... 4-156
•ACS1581-MA.......................................................... 4-157
4-4. Waveforms................................................................... 4-161
4-5. Parts Location ............................................................. 4-179
5. ADJUSTMENTS
1. Before Starting Adjustment ......................................... 5-1
1-1. Adjusting Items when Replacing Main Parts
and Boards .................................................................. 5-2
1-2. Information (Mechanical Section) ............................... 5-4
5-1. MECHANICAL SECTION ADJUSTMENTS................ 5-5
5-1-1. Parts Replacement and Preparation
for Adjustment ........................................................ 5-5
1-1. Assembly/disassembly of Cassette Compartment..... 5-5
1-2. How To Load/unload.................................................... 5-5
1-3. List of Service Tools .................................................... 5-6
1-4. About Mode Selector II ............................................... 5-7
5-1-2. Periodic Check ....................................................... 5-8
2-1. Cleaning of Rotary Drum Assembly ...................... 5-8
2-2. Cleaning of Tape Path System............................... 5-8
2-3. Periodic Checks ..................................................... 5-8
5-1-3. Parts Replacement................................................. 5-9
3-1. Tape Guide 1/8 and Guide Guard.......................... 5-9
3-2. Tape Guide 2/7 ....................................................... 5-9
3-3. Capstan Cover ....................................................... 5-10
3-4. Reel Motor .............................................................. 5-10
3-5. FL Motor Assembly, Gear A, Gear B and
Gear CD Assembly ................................................ 5-10
3-6. G L Arm S Assembly, GL Arm T Assembly,
Coaster S Assembly and Coaster T Assembly...... 5-11
3-7. MIC Base Guide, MIC Base Assembly and
MIC Base Spring .................................................... 5-12
3-8. Drum Cap, Drum Assembly and Tape Support ..... 5-12
3-9. Pinch Arm Assembly .............................................. 5-13
3-10. Capstan Motor........................................................ 5-13
3-11. Pendulum Retainer and
Pendulum Arm Assembly....................................... 5-13
3-12. Brake Arm S, Ratchet Brake T,
Tension Coil Spring (Brake), SBR Slider and FP-248
Flexible Board (Condensation Sensor).................. 5-14
3-13. Reel Table Assembly, Idler Gear A Assembly
and Idler Gear B..................................................... 5-14
3-14. Reel Base Retainer, Reel Base T Assembly and
Reel Base S Assembly (Reel Lock Release Block
and Reel Lock Release Spring) ............................. 5-15
3-15. Cam Motor, Motor Holder....................................... 5-15
3-16. TG2/7 Arm Block, TG2/7 Band Block and
Tension Coil Spring (TG2)/(TG7) ........................... 5-16
3-17. Sub-slider Arm, Sub-slider, Encoder Gear,
Main Cam Gear, Coupling Gear, Sub-cam Gear,
Pinch Slider and Loadeing Arm Assy .................... 5-17
3-18. Main Slider, Main Slider Arm and Pendulum
Stopper Assembly .................................................. 5-19
3-19. MD-76 Board and Encoder Retainer ..................... 5-20
3-20. Components of GL Arm S/T Assembly
(GL Arm Assembly, GL Helical Torsion Spring,
GL Gear)................................................................. 5-21
3-21. Components of MIC Base Assembly
(FP-104 Flexible Board, MIC Base)....................... 5-21
3-22. Components of Drum Assembly
(Motor FPC Assembly, Elastic Connector) ............ 5-22
3-23. Components of Pinch Arm Assembly (Tape Retainer,
Compression Coil Spring) ...................................... 5-22
3-24. Components of TG2/7 Arm Assembly (ET Magnet,
Magnet Holder) ...................................................... 5-22
5-1-4. Check and Adjustment ........................................... 5-23
4-1. Reel T able Height Check and Adjustment ............. 5-24
4-2. TG1/8 Height Check and Adjustment .................... 5-24
4-3. TG2/7 Height Check and Adjustment .................... 5-25
4-4. FWD/RVS Position Check and Adjustment ........... 5-25
4-5. Electric Tension Regulator Check and Adjustment
of TG2/7 Arm .......................................................... 5-26
4-6. FWD/RVS Back Tension Check and Adjustment... 5-27
4-7. Preparation for Adjustment and
Tape Path Check.................................................... 5-28
4-8. Track Adjustment and Check
(Checking the RF Waveform)................................. 5-29
4-9. Track Check............................................................ 5-29
4-10. CUE/REV Check .................................................... 5-30
4-11. Curl Check and Adjustment ................................... 5-30
4-12. Rising Check .......................................................... 5-31
5-2. SERVICE MODE ......................................................... 5-32
5-2-1. Adjusting Remote Commander .............................. 5-32
1. Used Adjustment Remote Commander................. 5-32
2. Precautions Upon Using the Adjusting Remote
Commander............................................................ 5-32
5-2-2. Data Processing ..................................................... 5-33
5-2-3. Ser vice Mode ......................................................... 5-34
1. Emergence Memory Address ................................ 5-34
2. EMG Code (Emergency Code).............................. 5-34
3. MSW Code ............................................................. 5-35
4. Bit V alue Discriminatiion ........................................ 5-36
5. Recorde of Use Check........................................... 5-37
6. LED Check ............................................................. 5-38
7. Switch Check (1).................................................... 5-39
8. Switch Check (2).................................................... 5-39
9. Switch Check (3).................................................... 5-39
10. Switch Check (4).................................................... 5-40
11. Switch Check (5).................................................... 5-40
5-3. VIDEO SECTION ADJUSTMENTS ............................ 5-41
3-1. Preparations Before Adjustment............................ 5-41
3-1-1. Equipment Used ..................................................... 5-41
3-1-2. Connection of Equipment....................................... 5-42
3-1-3. Checking the Input Signals .................................... 5-43
1. S VIDEO Input ........................................................ 5-43
2. VIDEO Input ........................................................... 5-43
3. COMPONENT Input............................................... 5-44
3-1-4. Adjustment Tapes................................................... 5-45
3-1-5. Input/output Level and Impedance ........................ 5-46
3-2. System Control System Adjustments .................... 5-47
1. Initializing the C, D, E Page Data........................... 5-47
2. Input of C Page Initial Data.................................... 5-47
3. Input of D Page Initial Data.................................... 5-47
4. Input of E Page Initial Data.................................... 5-47
5. Modification of C, D, E, Page Data ........................ 5-47
6. C Page Table .......................................................... 5-48
7. D Page Table .......................................................... 5-49
8. E Page Table .......................................................... 5-49
9. Node Unique ID No. Input ...................................... 5-51
3-3. Servo and RF System Adjustments....................... 5-53
1. Capstan FG Adjustment (CM-59 Board) ............... 5-53
2. PLL f0 Pre-adjustment (RP-234 Board) ................. 5-53
3. Switching Position Adjustment (RP-234 Board) .... 5-53
4. RF-AGC Adjustment (RP-234 Board).................... 5-53
5. CLK DELAY and AEQ Adjustment
(RP-234 Board) ...................................................... 5-54
6. PLL f0 Final Adjustment (RP-234 Board)............... 5-54
3-4. Video System Adjustments .................................... 5-54
3-4-1. JC-21 Board Adjustment ........................................ 5-54
1. VFD SPCK Adjustment (JC-21 Board).................. 5-54