Equipment information
Samsung YP-30S MP3 player
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Model:
YP-30S
Date:
2001
Category:
Group:
Description:
DIGITAL AUDIO PLAYER
Manual Type:
Service Manual
Pages:
24
Size:
3.44 Mbytes (3607533 Bytes)
Language:
english
Revision:
Manual-ID:
AH68-00999A
Date:
2001 10 01
Quality:
Electronic document, no scan, very well readable.
Upload date:
2019 09 07
MD5:
6dbd017dc033c8a75e7ff161f925134b
Downloads:
270
Information
1 Introduction and
Specifications ... 1-1
1-1. Introduction
... 1-3
1-2. Hardware
Options ... 1-4
1-3. 734A-7001 Instrument Enclosure
... 1-4
1-4. 723B-7001 External Battery and
Charger ... 1-4
1-5. Accessory Y734 Rack Mount Kit
... 1-4
1-6. Calibration Options
... 1-5
1-7. 732B-000 Special
Calibration ... 1-5
1-8. 732B-100 Special Calibration and Drift
Characterization ... 1-5
1-9. 732B-200 On-Site Calibration
... 1-5
1-10. Warranty
Information ...
1-5
1-11. Service and Reshipment
Information ... 1-6
1-12. Specifications
... 1-6
2
Installation ... 2-1
2-1. Introduction
... 2-3
2-2. Unpacking and Inspection
... 2-3
2-3. Selecting Line Voltage and Accessing the Fuse
... 2-4
2-4. Connecting to Line Power
... 2-5
2-5. Installing a 732B or 732B-7001 in a 734A-7001
Instrument Enclosure 2-5
3
Operation ... 3-1
3-1. Introduction
... 3-3
3-2. Summary of the
Features ...
3-3
3-3. 732B DC Standard Front
Panel ... 3-3
3-4. 732B DC Standard Rear
Panel ... 3-3
3-5. 732B-7001 External Battery and Charger Front Panel
... 3-3
3-6. 732B-7001 External Battery and Charger Rear Panel
... 3-3
3-7. 734A-7001 Instrument Enclosure Front Panel
... 3-3
3-8. 734A-7001 Instrument Enclosure Rear Panel
... 3-3
3-9. Powering the Standard
... 3-11
3-10. Setting the BAT Switch
... 3-12
3-11. Charging the Internal Battery
... 3-12
3-12. Powering the Standard from a 732B-7001
... 3-12
3-13. Replacing the Internal Battery
... 3-13
3-14. Connecting Cables to the Output
... 3-14
3-15. Connecting the GUARD and GROUND
... 3-15
3-16. Monitoring Oven Temperature
... 3-16
3-17. Resetting the IN CAL Indicator
... 3-16
3-18. Monitoring The IN CAL Indicator State Remotely
... 3-16
3-19. Monitoring Long-Term Stability
... 3-17
3-20. Minimizing Error Sources
... 3-18
3-21. Mechanically Induced Errors
... 3-18
3-22. Thermal EMFs
... 3-18
3-23. Output Cable Loading
... 3-18
4 Theory of
Operation ... 4-1
4-1. Introduction
... 4-3
4-2. Overall Functional Description
... 4-3
4-3. Model 734A Functional Description
... 4-5
4-4. Model 732B-7001 External Battery/Power Supply
... 4-5
4-5. 732B Circuit Description
... 4-5
4-6. 10V Reference Circuit
... 4-5
4-7. Generating the 1.018V Output
... 4-7
4-8. Biasing the Refamp for Low Temperature
Coefficient ... 4-7
4-9. Sense Current Cancellation
... 4-7
4-10. Buffering of the 10V Output
... 4-8
4-11. Oven Temperature Controller A4
... 4-8
4-12. A1 Front Panel Assembly
... 4-8
4-13. Power Supplies and Battery Charger Assembly A5
... 4-9
4-14. Overvoltage Protection Circuitry
... 4-9
4-15. Raw DC Power supply
... 4-11
4-16. Battery
Charger ... 4-11
4-17. +11.5V Preregulator
... 4-11
4-18. +11.5V Low-Dropout Regulator
... 4-12
4-19. -6V Power supply
... 4-12
4-20. IN CAL Logic
... 4-12
4-21. LED Drive Logic
... 4-12
4-22. AC Power to Battery Power Switching
Circuitry ... 4-13
4-23. Battery Circuit
... 4-13
4-24. Rear Panel
Connections ... 4-13
4-25. Low-Battery Shutdown Circuitry
... 4-14
5
Maintenance ... 5-1
5-1. Introduction
... 5-3
5-2. Service
Information ... 5-3
5-3. Replacing the Fuse
... 5-3
5-4. Cleaning the External Surfaces
... 5-3
5-5. Calibration
... 5-3
5-6. Preparing for Calibration
... 5-4
5-7. Preparing for 10V Calibration with
Adjustment ... 5-4
5-8. Calibration with
Adjustment ... 5-6
5-9. Calibration Without Adjustment
... 5-8
5-10. Access
Procedures ... 5-9
5-11. Initial Access Procedure
... 5-9
5-12. Replacing the
Battery ... 5-9
5-13. Replacing the Oven Assembly
... 5-13
5-14. Accessing the A5 Battery
Charger ... 5-13
5-15. Removing the Power Transformer
Assembly ... 5-13
5-16. Troubleshooting
... 5-14
5-17. 10V Reference Performance Test
... 5-14
5-18. Troubleshooting the A5 Battery Charger Assembly
... 5-14
5-19. Transformer/Rectifier/Filter
... 5-15
5-20. Battery
Charger ... 5-15
5-21. +11.5V DC
Preregulator ... 5-15
5-22. +11.5V DC
Regulator ... 5-16
5-23. -6V DC Supply
... 5-16
5-24. IN CAL LED Logic
... 5-16
6 List of Replaceable
Parts ... 6-1
6-1. Introduction
... 6-3
6-2. How to Obtain Parts
... 6-3
6-3. Manual Status
Information ... 6-3
6-4. Newer Instruments
... 6-3
6-5. Service Centers
... 6-4
6-6. Parts
... 6-4
7 Schematic
Diagrams ... 7-1
A1 Front Panel
PCA ... 7-3
A2 Flex Circuit
PCA ... 7-5
A3 BCD Switch
PCA ... 7-6
A4 Oven Control
PCA ... 7-7
A5 Power supply
PCA ... 7-8
Manual Type:
Service Manual
Pages:
24
Size:
3.44 Mbytes (3607552 Bytes)
Language:
english
Revision:
Manual-ID:
AH68-00999A
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
2015 10 04
MD5:
6e5a51e969dcca840a364d701ca18adf
Downloads:
943
Information
Precautions
Specifications
Parts Description
Mass-production Initialization
Program
Troubleshooting Guide
Exploded View and Disassembly
Order
Electrical Part List
Block Diagram
Internal Block Diagram of Main IC
PCB Wiring Diagrams
Schematic Diagram