Samsung SV-A25B User manual

VIDEO CASSETTE REDORDER
SV-A25B
SERVICE Manual
VIDEO CASSETTE RECORDER CONTENTS
PAL
For mechanical disassembly and adjustment, refer to the “Mechanical Manual”
(DX7-R/RC, DX8-R/RC AC68-20316A).
1. Precautions
2. Reference Information
3. Product Specifications
4. Disassembly and Reassembly
5. Alignment and Adjustment
6. Exploded View and Parts List
7. Electrical Parts List
8. Block Diagrams
9. PCB Diagrams
10. Wiring Diagram
11. Schematic Diagrams
© Samsung Electronics Co., Ltd. JUL. 1997 AC68-20374A

Schematic Diagrams
Samsung Electronics 11-3
11-1 S.M.P.S/POWER

Schematic Diagrams
11-4 Samsung Electronics
11-2 System Control/Servo

Schematic Diagrams
Samsung Electronics 11-5
IC601 HD6433976RA32F

Schematic Diagrams
11-6 Samsung Electronics
NOTE
voltage level by each port:
REC(PB)
EX) 5.2 : REC,5.2(2.5) : REC(PB)
REC Y PROCESS
REC C PROCESS
PB Y PROCESS
PB C PROCESS
REC LINEAR AUDIO
PB LINEAR AUDIO
11-3 Audio/Video

Schematic Diagrams
Samsung Electronics 11-7
IC302 SS11501M IC301 LA7411
IC303 SS23378M

Schematic Diagrams
11-8 Samsung Electronics
11-4 RF/IO

Schematic Diagrams
Samsung Electronics 11-9
11-5 Function-Timer

Schematic Diagrams
11-10 Samsung Electronics
11-6 Remote-Control