Samsung SCL770 - Pre-Amp (Main)

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9-5Samsung Electronics

Schematic Diagrams

9-4 Pre-Amp (Main)

Main Page

Precautions2
Leakage Current Hot Check2
Antenna Cold Check2
High Voltage Limit2
Hot Chassis Warning3
Picture Tube Implosion Warning3
Product Safety Notice3
Product Specifications and Comparison Chart4
Disassembly and Reassembly6
Cabinet and PCB6
Ass’y Cover Housing Removal6
Ass’y Case Top Removal7
Ass’y Front Removal8
Ass’y Case Left Removal9
Ass’y Case Right Removal10
Ass’y LCD Removal11
Ass’y EVF/CVF Removal12
Ass’y Rear Board Removal13
Ass’y Deck and Main PCB Removal14
Ass’y Camera Removal15
Circuit Boards Location16
Connector Diagram17
Alignment and Adjustment18
Mechanism Alignment18
Camera Section Adjustment20
Camera Adjust Mode, EEPROM Address Sequence and Data of Page 022
Changed Data by Model35
Camera System Adjustment48
Focus to Zoom Tracking48
Auto White Balance49
Auto Hall49
Auto IRIS49
Zoom VR Center49
Pre White Balance50
R-Y Gain50
B-Y Gain51
R-Mg Hue51
G-Cy Hue51
B-Cy-Mg Hue52
Ye-G Hue52
LCD Adjustment (NTSC)53
Product View53
EVF Adjustment55
Video Gain Adjustment55
How to Get into Service “Adjust” Mode56
Composition of VCR P.C.boards56
VCR Section Adjustment56
The Location of Function Button57
VCR Section58
How to Connect Video out Signal58
Kinds of Adjustment in PLAY Mode59
Head Switching Point59
Table of Contents62
Exploded View and Parts List62
Mechanical Parts (1)63
Mechanical Parts (2)65
Mechanical Parts (3)67
Ass'y EVF69
Ass'y Right71
Ass'y LCD73
Ass'y Left75
Ass'y Front77
Ass'y Camera/Deck79
Ass'y Rear81
- Electrical Parts List84
- PCB Diagrams98
- Main PCB (Normal) (Component Side)99
- Main PCB (Normal) (Conductor Side)101
- Rear PCB103
- Evf Pcb104
- Front PCB105
- Function PCB105
- Lcd Pcb105
- CCD Pcb106
- Usb Pcb107
- Schematic Diagrams110
- DC/DC Converter (Main)111
- System Control (Main)112
- Audio (Main)113
- Pre-Amp (Main)114
- Front115
- Function116
- Evf117
- Lcd118
- CCD119
- CAMERA (Main)120
- Usb121
- Mechanical Design122
- Operation - Nomenclature123
- Switch Mode125
- Gear Train126
- Sub Chassis127
- Brake Sub S Ass’y (Brake Sub S, Lever Brake S)128
- Brake T (Brake Soft T)129
- Arm Tension130
- Arm Pinch Roller131
- Pole Base S, T132
- Arm Review133
- Reel Driving134
- Mode Position Change135
- Cassette in Cassette down135
- Loading136
- Stop - Play138
- Stop FF140
- Stop REW142
- Stop REC144
- Stop Unload146
- Cue148
- Rev150
- Setting Mechanical Mode (Without Recorder Circuit)153
- Operation Without Housing Assembly153
- Mechanical Adjustment153
- Maintenance154
- Cleaning of Drum Assembly154
- Cleaning of Tape Path154
- Periodic Maintenance and Check List155
- Mechanical Check and Adjustment156
- Tension Regulator Adjustment156
- Back Tension Adjustment157
- PB/REV Torque Check157
- Reel Table Height Check158
- Tape Path Adjustment159
- Tracking Adjustment160
- Not Adjustment160
- Cue and Rev Check161
- Tracking Check161
- Check after Adjustment161
- Rise Time Check162
- Tape Path Check162
- How to Load and Unload (Setting Mechanical Mode)163
- Housing Disassembly and Reassembly164
- Drum Disassembly and Reassembly165
- Idler & Holder FPC Disassembly and Reassembly166
- Sub Deck Disassembly and Reassembly167
- Pole Base S, T Disassembly and Reassembly168
- Arm Pinch Roller and Arm Review Disassembly and Reassembly169
- Arm Tension Disassembly and Reassembly170
- Reel (S, T), Brake Sub S Ass’y, Brake Soft T Disassembly/Reassembly171
- Motor Loading, Gear Loading Disassembly and Reassembly172
- Motor Capstan, Lever Eject, Slider Main Disassembly and Reassembly173
- Gear Capstan, Gear Pulley Ass’y, Belt Timing Disassembly/Reassembly174

Samsung SCL770 - Pre-Amp (Main)

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