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Now downloading free:Samsung SV-A12G


Download Samsung SV-A12G docs - VCR, VHS, tape drives service manuals and repair information

File information:
File name:SV-A12G.rar
Size:2041 kB
Extension:
MD5:7d1565e9f65785f42b6642c3c01c9e45
Mfg:

Samsung

Model:

SV-A12G

Original Chassis:SVR-17C
Descr:VCR and players Samsung SV-A12G, SV-A12P, SVR-17C (service manual)
Group:Electronics > Consumer electronics > Video recorders >
Uploaded:2004-06-09 07:38:32
User:plamensl
Multipart: 0  1

Information about the files in archive:
Decompress result:OK
Extracted files:11
File nameText
1.PDFVIDEO CASSETTE PLAYER VIDEO CASSETTE LINE RECORDER SV-A12G/SP-A12G PAL SERVICE VIDEO CASSETTE PLAYER/VIDEO CASSETTE LINE RECORDER Manual CONTENTS For mechanical disassembly and adjustment, refer to the "Mechanical Manual" (DX7-R/DX-7RC, DX8-R/DX-8RC 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. MAY. 1997 AC68-20359A
10.PDF10. Wiring Diagram ASS'Y MAIN Samsung Electronics ASS'Y FUNCTION 10-1
11.PDF11. Schematic Diagrams Page 3 Block Identification of Main PCB - - - - - - - - - - - - - - - 11-2 11-1 11-2 11-3 11-4 11-5 11-6 S.M.P.S/Power - - - - - - - - - - - - - - - - - - - - - - - - - 11-3 System Control/Servo - - - - - - - - - - - - - - - - - - - 11-4 Audio/Video - - - - - - - - - - - - - - - - - - - - - - - - - - 11-5 I/O - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-6 Function - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-7 Remote-Control - - - - - - - - - - - - - - - - - - - - - - 11-8 Samsung Electronics 11-1 Schematic Diagrams Note For schematic Diagram - Resistors are in ohms, 1/8W unless otherwise noted. - Circled numbers refer to waveforms. Special note : Most semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under the "electrostatically sensitive (ES) devices" section of this service manual. Note : Do not use the part number shown on this drawing for ordering.
2.PDF1. Precautions 1. Be sure that all of the built-in protective devices are replaced. Restore any missing protective shields. 2. When reinstalling the chassis and its assemblies, be sure to restore all pretective devices, including : control knobs and compartment covers. 3. Make sure that there are no cabinet openings through which people--particularly children --might insert fingers and contact dangerous voltages. Such openings include the spacing between the picture tube and the cabinet mask, excessively wide cabinet ventilation slots, and improperly fitted back covers. If the measured resistance is less than 1.0 megohm or greater than 5.2 megohms, an abnormality exists that must be corrected before the unit is returned to the customer. 4. Leakage Current Hot Check (See Fig. 1) : Warning : Do not use an isolation transformer during this test. Use a leakage current tester or a metering system that complies with American National Standards Institute (ANSI C101.1, Leakage Current for Appl
3.PDF2. Reference Information 2-1 Servicing Jigs and Special Tools 2-1-1 Servicing guide 1. For this VCP chassis, the program switch and the 4. The X-5 chassis jig can be used for the following : sensors (start/end/reel) are located on the main PCB, not on the deck ass’y. 1) When repairing or confirming the operation of the deck ass’y. 2. As long as the deck ass’y is connected to the main 2) When replacing or repairing the components PCB, all repairs are possible. located under the deck ass’y. Important : In order to repair the main PCB 3) When repairing the function PCB. without the deck ass’y connected, the X-5 chassis jig should be used. 5. The X-5 chassis jig can not be used for the following : 3. To emulate the function of the senso
4.PDF3. Product Specifications and Comparison Chart 3-1 Product Specifications Design and specifications are subject to change without notice. Operation Format Video Recording System VHS PAL standard 2 Rotary Heads, Helical Scanning System Luminance : FM azimuth recording Color : Down converted subcarrier phase shifted CCIR Standard G, K PAL, MESECAM, NT 4.43, NT PB (NT 3.58 REC) 12.65 mm (1/2 inch) SP : (PAL) 23.39 mm/sec, (NTSC) 33.35 mm/sec SP : 4 hours (E-240 Tape) 100 sec ~ 4 min with E-180 Video : 2 Rotary Heads Audio/Control : 1 stationary head Erase : 1 full track erase head Description Television System Color System Tape Width Tape Speed Record/Playback Time F.F/REW Time Heads VIDEO Input Output Signal-to-Noise Ratio Horizontal Resolution Audio Input Output Signal-to-Noise Ratio Frequency Response Output Channel Power Requirement Power Consumption Operation Temperature Operation Humidity Weight Dimensions (W x H x D) Line : -8 dBm, 47 Kohm unbalanced Line : -8 Ī 3 dBm, 1.5 Kohm u
5.PDF4. Disassembly and Reassembly 4-1 Cabinet Assembly Note : Disassemble in the order shown. Reassemble in reverse order. 4-1-1 Top Cabinet removal 1. Remove 5 screws and slide the top cabinet to the rear to remove. REMOVE 5 SCREWS Fig. 4-1 Top Cabinet removal Samsung Electronics 4-1 Disassembly and Reassembly 4-1-2 Bottom cover removal 1. Remove 1 screw. 2. Lift up the bottom cover toward arrow “A”. 1 REMOVE 1 SCREW (BH;1-3X12 YELLOW) "A" 2 LIFT UP THE BOTTOM COVER IN THE DIRECTION ARROW "A" Fig. 4-2 Bottom Cover Removal 4-2 Samsung Electronics Disassembly and Reassembly 4-1-3 Ass'y Front Panel removal 1. Remove the knob-shuttle. 2. Release 4 hooks on the top side and 3 hooks on the bottom side and then, pull the ass’y front panel to remove. RELEASE 4 TABS (Top view) RELEASE 3 TABS (Bottom view) Fig. 4-3 Ass'y Front Panel removal Samsung Electronics 4-3 Disassembly and Reassembly 4-1-4 Ass'y Function removal 1. Release 5 hooks and remove the ass’y function. Note : Ta
6.PDF5. Alignment and Adjustment 5-1 Mechanical Adjustment Reference : For other mechanical adjustments except A/C Head position (X-point) adjustment, refer to the mechanical manual (DX7-R/DX7-RC/DX8-R/DX8-RC, AC68-20316A). Test point : TP05 (Envelope) TP04 (H'D S/W -Trigger) TP03 (CTL Pulse) TP06 (Audio out) Test tape : PAL Color bar Mono scope Blank tape (E-240) 5-1-1 A/C Head Point (X-point) Adjustment 1. Playback the mono scope alignment tape. 2. Connect CH-1 scope probe to TP03 and CH-2 scope probe to TP04. And then, trigger head switching pulse. 3. Set tracking preset to 1msec using the “Tracking” button / of remote control. (Refer to Fig. 1 and 2) 4. Connect CH-1 scope probe to TP05 and the CH-2 to “H’D S/W” trigger on CH-1. 5. Insert the adjusting driver(+) into X-point adjusting gear. Adjust the driver in either direction for maximum envelope waveform. Note : Since the adjusting gear unit may be damaged, do not adjust by force when adjusting the X-point using the adjusting driver(
7.PDF6. Exploded View and Parts List Page 6-1 6-2 6-3 6-4 Cabinet Assembly - - - - - - - - - - - - - - - - - - - - - - 6-2 Mechanical Parts (Top Side) - - - - - - - - - - - - - - - - 6-4 Mechanical Parts (Bottom Side) - - - - - - - - - - - - - 6-6 Housing Assembly - - - - - - - - - - - - - - - - - - - - - - - 6-8 Samsung Electronics 6-1 6-2 155 157 153 155 SC301 108 PT601A S.N.A LD601A PT602A 155 661 S601A S602A 601(S.N.A) 670(S.N.A) 663 22 21 109 1 6-1 Cabinet Assembly Exploded View and Parts List Samsung Electronics 157 S.N.A : SERVICE NOT AVAILABLE Exploded View and Parts List Loc. No Part No 1 21 22 108 109 153 155 157 158 601 661 663 670 LD601A PT601A PT602A S601A S602A SC301 DO NOT ORDER AC98-11213S AC64-50076E AC61-62003A AC61-12265A AC63-30078A AC60-12126A AC60-12134A AC60-10063A AC60-10063A DO NOT ORDER AC39-10019A 3711-002602 DO NOT ORDER AC61-22345A AC61-22344A AC61-22344A AC61-22321A AC61-22321A AC63-42222A Description and Specification ASSY-DECK (DX7-R) ASSY-PANEL F
8.PDF7. Electrical Parts List Loc. No Part No Description and Specification Remark 601 DO NOT ORDER ASSY-MAIN CORE-FERRITE BEAD;AA,3.6X1.2X5.7MM,1400,2900G INDUCTOR;70UH-M RT BFS3565R2F,-,-,-,C-AL;4.7UF,20%,50V,-,TP,6.3X7,5 C-AL;47UF,20%,16V,GP,TP,5X11MM,5 C-AL;47UF,20%,16V,GP,TP,5X11MM,5 C-AL;1UF,20%,50V,GP,TP,3X5,1MM C-AL;100UF,20%,25V,GP,-,6.3X11,2.5M C-CERAMIC,MLC-AXIAL;100NF,+80-20%,50V,Y5V,TP,3.5 C-AL;47UF,20%,16V,GP,TP,5X11MM,5 C-CERAMIC,MLC-AXIAL;100NF,+80-20%,50V,Y5V,TP,3.5 C-AL;10UF,20%,16V,GP,-,4X7,5 C-FILM,MPEF;100NF,20%,275V,TP,17.5X7X13.5, C-FILM,MPEF;100NF,20%,275V,TP,17.5X7X13.5, C-CERAMIC,DISC;2.2NF,10%,400V,Y5P,TP,12X7.5,7 C-CERAMIC,DISC;3.3NF,20%,400V,Y5P,TP,18X8,10 C-AL;82UF,20%,400V,GP,BK,22X25,10MM C-FILM,PEF;10NF,10%,630V,BK,16.5X9.5X5.7X C-CERAMIC,DISC;100PF,10%,1KV,Y5P,TP,6X5,5 C-CERAMIC,DISC;22NF,+80-20%,50V,Y5V,TP,8.0X4. C-CERAMIC,DISC;3.3NF,20%,400V,Y5P,TP,18X8,10 C-AL;22UF,20%,50V,GP,BK,6.3X11MM,2. C-CERAMIC,DISC;22NF,+80-20%,50V,Y5V,TP,8.0X4. C-AL;1UF,20%,50
9.PDF8. Block Diagrams Page 8-1 8-2 8-3 Overall Block Diagram - - - - - - - - - - - - - - - - - - - - 8-2 System Control - - - - - - - - - - - - - - - - - - - - - - - - - 8-3 Video - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8-4 Samsung Electronics 8-1 Block Diagrams 8-1 Overall Block Diagram ASS'Y MAIN 1 15 2 14 3 13 4 5 6 7 12 8 11 9 10 ASS'Y FULL DECK ASS'Y FUNCTION 8-2 Samsung Electronics Block Diagrams 8-2 System Control/Servo Samsung Electronics 8-3 Block Diagrams 8-3 Audio/Video 8-4 Samsung Electronics

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