Samsung SCA20 Service Manual Download

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8mm CAMCORDER

SCA20/SCA23
SCA25

SERVICE

1. Precautions

2. Reference Information

3. Product Specifications and

Comparison Chart

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

Manual

8mm CAMCORDER

CONTENTS

For mechanical disassembly and adjustment, refer to the “Mechanical Manual”
(DE-6 AD68-30200A).

PUSH

Summary of Contents for SCA20

Page 1: ...on Chart 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 Manual 8mm CAMCORDER CONTENTS For mechanical disassembly and adjustment refer to the Mechanical Manual DE 6 AD68 30200A PUSH ...

Page 2: ...t exceed 0 5 milliamp Reverse the power plug prongs in the AC outlet and repeat the test 6 X ray Limits The picture tube is designed to prohibit X ray emissions To ensure continued X ray protection replace the picture tube only with one that is the same type as the original Fig 1 AC Leakage Test 7 Antenna Cold Check With the unitÕs AC plug disconnected from the AC source connect an electrical jump...

Page 3: ...strumentÕs ground lead to the instrument chassis ground before connecting the positive lead always remove the instrumentÕs ground lead last 17 Observe the original lead dress especially near the following areas Antenna wiring sharp edges and especially the AC and high voltage power supplies Always inspect for pinched out of place or frayed wiring Do not change the spacing between components and th...

Page 4: ...2 Reference Information 2 1 IC Blocks Reference Information Samsung Electronics 2 1 2 1 1 IC101 M52369FP ...

Page 5: ...Reference Information 2 2 Samsung Electronics 2 1 2 IC601 CXP87240A ...

Page 6: ...Reference Information Samsung Electronics 2 3 2 1 3 IC201 CXA1700R ...

Page 7: ...Reference Information 2 4 Samsung Electronics 2 1 4 IC501 KA8322 ...

Page 8: ...Reference Information Samsung Electronics 2 5 2 1 5 ICP01 KS7213 ...

Page 9: ...Reference Information 2 6 Samsung Electronics 2 1 6 ICP03 TDA8786A AD CONVERTER ...

Page 10: ...Reference Information Samsung Electronics 2 7 2 1 7 ICP04 KS7306 DSP ...

Page 11: ...Reference Information 2 8 Samsung Electronics 2 1 8 ICP05 UPD784035 AF MICOM ...

Page 12: ...Reference Information Samsung Electronics 2 9 2 1 9 ICZ01 KS7314 D ZOOM ...

Page 13: ...zoom and 64x digital zoom SCA20 Combined 16x power zoom and 32x digital zoom f 3 9 62 4 mm F1 4 Auto wide macro Automatic focus system Inner Color temperature Auto Lighting 300 lux 28 footcandles Aperture correction Automatic with back light adjustment INPUT OUTPUT CONNECTORS Video output Phono jack 1Vp p 75 ohms unbalanced sync negative Audio output Phono jack 7 5dBs for an output impedance of le...

Page 14: ...ications 3 2 Samsung Electronics 3 2 Comparison Chart CCD 270 000 270 000 270 000 VIEWFINDER EVF CVF CVF ZOOM X32D ZOOM X64 D ZOOM X64 D ZOOM STEREO MONO MONO MONO DSE O O O EIS X X O MODEL FUNCTION SCA20 SCA23 SCA25 ...

Page 15: ...Samsung Electronics 4 1 4 Disassembly and Reassembly 4 1 Cabinet Disassembly Œ PUSH THE COVER BATTERY AND REMOVE IT IN THE DIRECTION OF ARROW 4 1 1 Cover Battery Removal Fig 4 1 Cover Battery Removal ...

Page 16: ...Reassembly 4 2 Samsung Electronics ŒAPPLY POWER AND OPEN THE HOUSING ASS Y ˇREMOVE THE ASS Y COVER HOUSING IN THE DIRECTION OF ARROW REMOVE 2 SCREWS 4 1 2 Ass y Cover Housing Removal Fig 4 2 Ass y Cover Housing Removal ...

Page 17: ... BY GENTLY RELEASING 2 LOCKING TABS WITH A SMALL SCREW DRIVER SEE DATAIL A NOTE WHEN REASSEMBLING PUT THE 7 TABS INTO THE SLOT WHILE SLIDING IT AS SHOWN IN DETAIL B 2 LOCKING TABS PRECISION SCREW DRIVER DETAIL A DETAIL B 4 1 3 Ass y Case Top Removal Fig 4 3 Ass y Case Top Removal ...

Page 18: ...Reassembly 4 4 Samsung Electronics Œ REMOVE 1 SCREW REMOVE 1 SCREW ˇ REMOVE THE ASS Y FRONT IN THE DIRECTION OF ARROW DISCONNECT THE CONNECTOR FROM THE MAIN PCB 4 1 4 Ass y Front Removal 1 Fig 4 4 Ass y Front Removal 1 ...

Page 19: ...ics 4 5 Œ REMOVE 2 SCREWS DISCONNECT THE CONNECTOR FROM THE ASS Y MIC BOARD ˇ REMOVE THE ASS Y MIC REMOVE 2 SCREWS AND THE ASS Y MIC BOARD ˆ REMOVE 1 SCREW AND THE COVER ROTATE BY TURNING IT 4 1 5 Assy Front Removal 2 Fig 4 5 Assy Front Removal ...

Page 20: ...ng Electronics Œ REMOVE 1 SCREW ˇ REMOVE 3 SCREWS REMOVE 2 SCREWS ˆ REMOVE THE ASS Y CASE RIGHT IN THE DIRECTION OF ARROW B MOVE THE ZOOM SWITCH IN THE DIRECTION OF ARROW A 4 1 6 Ass y Case Right Removal Fig 4 6 Ass y Case Right Removal 1 ...

Page 21: ... SCREW Œ REMOVE 2 SCREWS ˇ LIFT THE ASS Y CASE LEFT TO RELEASE LOCKS IN THE DIRECTION OF ARROWS A B REMOVE THE ASS Y CASE LEFT IN THE DIRECTION OF ARROW C ˆ REMOVE 2 CONNECTORS FROM THE MAIN PCB 4 1 7 Ass y Case Left Removal 1 Fig 4 7 Ass y Case Left Removal 1 ...

Page 22: ...Disassembly and Reassembly 4 8 Samsung Electronics Œ REMOVE 4 SCREWS REMOVE THE TERMINAL BOARD 4 1 8 Ass y Case Left Removal 2 Fig 4 8 Ass y Case Left Removal 2 ...

Page 23: ...sassembly and Reassembly Samsung Electronics 4 9 Œ REMOVE 1 SCREW REMOVE 1 SCREW ˇ REMOVE THE ASS Y CASE REAR IN THE DIRECTION OF ARROW 4 1 9 Ass y Rear Board Removal 1 Fig 4 9 Ass y Rear Board Removal 1 ...

Page 24: ...Disassembly and Reassembly 4 10 Samsung Electronics Œ REMOVE 1 SCREW REMOVE THE ZOOM SWITCH ˇ REMOVE 2 SCREWS REMOVE THE REAR BOARD 4 1 10 Ass y Rear Board Removal 2 Fig 4 10 Ass y Rear Board Removal 2 ...

Page 25: ...s 4 11 REMOVE THE ASS Y DECK IN THE DIRECTION OF ARROW ˇ DISCONNECT THE FPC FROM THE MAIN PCB Œ REMOVE 2 SCREWS DISCONNECT THE FPC FROM THE ASS Y DECK 4 1 11 Ass y Main Board and Ass y Deck Removal Fig 4 11 Ass y Main Board and Ass y Deck Removal ...

Page 26: ...mbly 4 12 Samsung Electronics Œ DESOLDER REMOVE THE ASS Y CAMERA FROM THE MAIN PCB IN THE DIRECTION OF ARROW REMOVE 2 SCREWS ˇ DISCONNECT 3 FPC FROM THE MAIN PCB 4 1 12 Ass y Camera Removal 1 Fig 4 12 Ass y Camera Removal 1 ...

Page 27: ...embly and Reassembly Samsung Electronics 4 13 Œ REMOVE 1 SCREW ˇ REMOVE THE BRACKET LENS REMOVE 1 SCREW REMOVE 2 SCREWS ˆ REMOVE THE ASS Y PCB CCD 4 1 13 Ass y Camera Removal 2 Fig 4 13 Ass y Camera Removal 2 ...

Page 28: ...Disassembly and Reassembly 4 14 Samsung Electronics Œ REMOVE 2 SCREWS REMOVE THE ASS Y EVF CVF IN THE DIRECTION OF ARROW 4 1 14 Ass y EVF CVF Removal Fig 4 14 Ass y EVF CVF Removal ...

Page 29: ...Disassembly and Reassembly Samsung Electronics 4 15 4 2 Circuit Boards Location Fig 4 15 Circuit Boards Location ...

Page 30: ...A NO LOCA NO 1 W501 DECK MAIN PCB CN501 2 3 W502 DECK MAIN PCB CN101 4 5 CN601 MAIN PCB REAR PCB CN851 6 7 CNC01 CCD PCB MAIN PCB CNP01 8 9 LENS FPC MAIN PCB CNP02 10 11 CN001 TERMINAL PCB MAIN PCB CN901 12 13 CNE01 EVF MAIN PCB CN602 14 20 CNE01 CVF MAIN PCB CN603 19 15 CN801 FRONT PCB MAIN PCB CN851 16 17 MIC ASSY FRONT PCB CN802 18 17 MIC ASSY MAIN PCB CNP03 16 ...

Page 31: ...C601 and GND in order to set the TEST mode Track Shift Mode 3 The location of test point See Fig 1 Test Point PB RF Pin 11 of CTP501 Head Switching Trigger Pin 9 of CTP501 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CTP501 Fig 1 Test point Fig 2 The location of test point Main PCB Component side PB RF Head Switching Trigger 4 After completing the adjustment open the pin 67 of IC601 and GND to release the TES...

Page 32: ... Vectorscope 5 Waveform monitor 6 Color monitor or TV 7 Various charts Color bar chart Gray scale chart etc 8 Alignment tape Lion pattern 2 Composition of camera P C Boards 1 Main PCB 2 CCD PCB 3 EVF PCB 4 CVF PCB 3 Adjustment preparations 1 Press the confirm button when each manual adjustment step is completed to write the adjustment data to the EEPROM 2 After each adjustment step is completed OS...

Page 33: ...on control mode EX Start stop button is the same as confirm 5 How to get into service ÒADJUSTÓ mode 1 Remove the lithium battery from the camcorder 2 Connect the power source battery DC cable 3 Eject the tape if it is in the unit 4 Set the power switch of the camcorder to ÒCAMERAÓ position 5 Set OSD on state STEP 1 1 PRESS ÒDSEÓ Button 3 times on the camcorder 2 It goes to into ÒNEGATIVEÓ mode 3 P...

Page 34: ...6 O6 INDOOR R Y POSITIVE HUE 35 CHB OC OC OC OC INDOOR R Y NEGATIVE HUE 36 CBGP 1F 1F 1F 1F INDOOR B Y POSITIVE GAIN 37 CBGN 18 18 18 18 INDOOR B Y NEGATIVE GAIN 38 CHGR 18 18 18 18 INDOOR B Y POSITIVE HUE 39 PCBHN O2 O2 O2 O2 INDOOR B Y NEGATIVE HUE 53 ECGAN 80 80 80 80 CHROMA GAIN CONTROL 54 ESY 84 84 84 84 Y SET UP LEVEL CONTROL 55 EWC B0 B0 B0 B0 WHITE CLIP CONTROL 57 EUSC EC EC EC EC B Y SIGN...

Page 35: ... W B COEF OF G SIGNAL 1F 05 05 05 05 C DARK SLICE COEF OF Cr SIG 20 00 00 00 00 C DARK SLICE COEF OF Cb SIG 21 FE FE FE FE C DARK SLICE COEF OF G SIG 22 05 05 05 05 C SIGNAL GAMMA BENDING POINT 1 23 0D 0D 0D 0D C SIGNAL GAMMA BENDING POINT 2 24 1A 1A 1A 1A C SIGNAL GAMMA BENDING POINT 3 25 38 38 38 38 C SIGNAL GAMMA BENDING POINT 4 26 58 58 58 58 C SIGNAL GAMMA BENDING POINT 5 27 88 88 88 88 C SIG...

Page 36: ...IZENTAL START READ ADDRESS L 6E OO OO OO OO HORIZONTAL D ZOOM START SUB PIXEL 6F OO OO OO OO V D ZOOM START SUB PIXEL ODD FIELD 70 OO OO OO OO V D ZOOM START SUB PIXEL EVEN FIELD 79 60 60 60 60 R VALUE OF SEPIA MODE 7A 18 18 18 18 G VALUE OF SEPIA MODE 7B 78 78 78 78 R VALUE OF YELLOW MODE 7C 60 60 60 60 G VALUE OF YELLOW MODE 7D 88 88 88 88 HALL REFERENSE START VALUE 7E 3A 3A 3A 3A HALL GAIN STAR...

Page 37: ... OF AREA2 BA 30 30 30 30 CHROMA SUPRESS START AGC BE A0 A0 A0 A0 AE TAGET OF NEGA MODE FADE IN BF FF FF FF FF NOT USED C0 2A 2A 2A 2A FADE LIMIT OF NEGA MODE C1 28 28 28 28 DATA CONTROL BOUNDARY OF OUTDOOR C2 24 24 24 24 NEGA MODE W B R CONTROL DATA C3 C1 C1 C1 C1 FOCUS RETURN LOW BYTE C4 14 14 14 14 FOCUS RETURN HIGH BYTE C5 42 42 42 42 ZOOM RETURN LOW BYTE C6 12 12 12 12 ZOOM RETURN HIGH BYTE C7...

Page 38: ...90 COLOR W B COEFF OF Cb SIGNAL 32 CRGP 38 38 38 38 38 38 INDOOR R Y POSITIVE GAIN 33 CRGN 38 38 38 38 38 38 INDOOR R Y NEGATIVE GAIN 34 CHYE O5 O5 O5 O5 O5 O5 INDOOR R Y POSITIVE HUE 35 CHB O5 O5 O5 O5 O5 O5 INDOOR R Y NEGATIVE HUE 36 CBGP 1E 1E 1E 1E 1E 1E INDOOR B Y POSITIVE GAIN 37 CBGN 18 18 18 18 18 18 INDOOR B Y NEGATIVE GAIN 38 CHGR 18 18 18 18 18 18 INDOOR B Y POSITIVE HUE 39 PCBHN O8 O8 ...

Page 39: ...AL GAMMA COEFF 4 14 4D 4D 4D 4D 4D 4D Y SIGNAL GAMMA COEFF 5 15 76 76 76 76 76 76 Y SIGNAL GAMMA COEFF 6 16 B8 B8 B8 B8 B8 B8 Y SIGNAL GAMMA COEFF 7 17 DA DA DA DA DA DA Y SIGNAL GAMMA COEFF 8 18 OO OO OO OO OO OO Y LPF SELECTION 19 11 11 11 11 11 11 Cr Cb Y LPF SELECTION 1A 42 42 42 42 42 42 C MATRIX COEF OF Cr SIGNAL 1B 66 66 66 66 66 66 C MATRIX COEF OF Cb SIGNAL 1E 24 24 24 24 24 24 C W B COEF...

Page 40: ...TART POINT INTEGER LINE 62 OO OO OO OO OO OO CCD V START POINT SUB PIXEL 63 83 83 83 83 83 83 SHUTTER MODE 64 FF FF FF FF FF FF HIGH SHUTTER SPEED CONTROL 68 OO OO OO OO OO OO RG SHP PULSE WIDTH ADJUST 69 80 80 80 80 80 80 D ZOOM MODE SELECTION 6A OO OO OO OO OO OO HORIZONTAL D ZOOM STEP 6B OO OO OO OO OO OO VERTICAL D ZOOM STEP 6C OO OO OO OO OO OO HORIZENTAL START READ ADDRESS H 6D O1 O1 O1 O1 O...

Page 41: ...0 C0 C0 C0 C0 FILTER1 NOISE LEVEL L OF AREA2 B3 O2 O2 O2 O2 O2 O2 FILTER1 NOISE LEVEL H OF AREA2 B4 90 90 90 90 90 90 FILTER2 NOISE LEVEL L OF AREA1 B5 OO OO OO OO OO OO FILTER2 NOISE LEVEL H OF AREA1 B6 E0 E0 E0 E0 E0 E0 FILTER2 NOISE LEVEL L OF AREA2 B7 01 01 01 01 01 01 FILTER2 NOISE LEVEL H OF AREA2 BA 30 30 30 30 30 30 CHROMA SUPRESS START AGC BE A0 A0 A0 A0 A0 A0 AE TAGET OF NEGA MODE FADE I...

Page 42: ...DEMO E8 69 69 69 69 69 69 V GAIN 1 A D GAIN E9 O8 O8 O8 O8 O8 O8 V GAIN 2 CCD GAIN EA EB EB EB EB EB EB V GAIN 3 CENTERING GAIN EB O8 O8 O8 O8 O8 O8 V STOP NOISE THRESHOULD EC 8C 8C 8C 8C 8C 8C H GAIN 1 A D GAIN ED O8 O8 O8 O8 O8 O8 H GAIN 2 CCD GAIN EE EB EB EB EB EB EB H GAIN 3 CENTERING GAIN EF OA OA OA OA OA OA H STOP NOISE THRESHOULD F0 OO OO OO OO OO OO D ZOOM STEP F1 O1 O1 O1 O1 O1 O1 NOT U...

Page 43: ...microprocessor will measure the focus positioning requirements at the wide and telephoto position of the zoom lens 1 Camera ÒE EÓ 2 Focus chart Attached on the last page of this manual 3 Aim the camera at the focus chart placed about 30ft 8 to 10 meters away and perpendicular to the center of the lens The chart should be placed on the flat gray or white wall 4 Connect monitor TV jack to video outp...

Page 44: ...MODE UP FADE MODE DOWN Ó button so that the OSD state is ÒCD HALLA XX XXÓ 5 Press ÒSTART STOP CONFIRM Ó button 6 Then the microprocessor will work IRIS open HALL maximum value found IRIS closed HALL minimum value found IRIS open HALL maximum value found Store the data to mode 02 and mode 01 Store the HALL min max data to mode 7F and mode 80 Main PCB component side P CLK ADJUSTMENT 3 Zoom VR Center...

Page 45: ...ÒE EÓ 3100 K gray scale chart 2 Video output jack and AF MICOM 3 Connect video output jack to waveform monitor input jack and monitor TV jack respectively 4 Press the ÒBLC MODE UP FADE MODE DOWN Ó button so that the OSD state is ÒCE IRISA XX XXÓ 5 Press ÒSTART STOP confirm Ó Bttom 100IRE 6 Then the micro process of will work IRIS open IRIS control minimum Value found IRIS close IRIS control minimu...

Page 46: ...Y axial on screen of the vectorscope 7 The OSD shows ÒOK Ó Match the white luminance point with the black luminance point 10 R Y Negative Gain 1 Camera ÒE EÓ 3100 K color bar chart 2 Video output jack and register of EEPROM 3 Connect video output jack to waveform monitor input jack and monitor TV jack respectively 4 Press the ÒBLC MODE UP FADE MODE DOWN Ó button so that the OSD state is Ò33 CRGN X...

Page 47: ...t jack and monitor TV jack respectively 4 Press the ÒBLC MODE UP FADE MODE DOWN Ó button so that the OSD state is Ò39 CBHN XX XXÓ 5 Aim the camera at a color bar chart illuminated at 1500 to 2000 lx 6 Adjust the Ò DATA UP DATA DOWN Ó button so that the red vector is 104 7 Be sure to press the ÒSTART STOP CONFIRM Ó button to memorize setting 8 The OSD shows ÒOK Ó RED VECTOR 104 DEG 50IRE 14 R Y Neg...

Page 48: ...ector is 165 7 Be sure to press the ÒSTART STOP CONFIRM Ó button to memorize setting 8 The OSD shows ÒOK Ó YELLOW VECTOR 165 DEG 16 B Y Positive Hue 1 Camera ÒE EÓ 3100 K color bar chart 2 Video output jack and register of EEPROM 3 Connect video output jack to vectorscope input jack and monitor TV jack respectively 4 Press the ÒBLC MODE UP FADE MODE DOWN Ó button so that the OSD state is Ò35 CHB X...

Page 49: ...Ó Alignment tape Lion pattern 2 Viewfinder and VRE02 3 Adjust VRE02 so that the counter circle on the lion pattern is perfect by round 3 Bright 1 VCR ÒPBÓ Alignment tape Lion pattern 2 Viewfinder and VRE03 3 Adjust the VRE03 so that the 3rd and 4th steps of the lion pattern can be distinguished 1 AFC 1 VCR ÒPBÓ Alignment tape Lion pattern 2 TP1 and VRE01 3 Connect digital voltmeter probe to TP1 4 ...

Page 50: ...B 2 After adjustment is completed reinstall RE51 to its original position See the below figure for the location of RE51 STEP 1 1 Connect the power source battery DC cable 2 Set the CAMERA VCR switch of the camcorder to ÒVCRÓ position 3 Set OSD on state 4 Press and hold the ÒEJECTÓ button and ÒSTOPÓ button on the camcorder at the same time for more than 3 seconds Then unit goes into service mode ST...

Page 51: ...tes variable values 2 The following is a chart explaining the use of each button In service adjustment mode button names are different from those in customer camera function control mode EX DISPLAY button is the same as confirm Using Button DISPLAY CONFIRM D ZOOM DATA DOWN D ZOOM DATA UP BLC MODE UP DOWN Adjustment Data store after finishing adjustment by DATA UP DOWN button When changing data val...

Page 52: ...that bright Green level is 8 0Vp p 6 Be sure to press the ÒDISPLAY CONFIRM Ó button to memorize setting 7 The OSD shows ÒCONFIRM Ó 8 0V GREEN LEVEL 5 2 4 b ADJUSTMENT Note 1 From this point forward the structure of every adjustment is as follows 2 See page 5 24 for the location of test points and adjustments Test point Step Adjustment Item 1 Mode and input signal alignment tape 2 Test point and AD...

Page 53: ...VR 3 Connect an oscilloscope probe to B OUT 4 Press the ÒBLC MODE UP DOWN Ó button so that the OSD state is Ò00 TINT EPR XX EVR XXÓ 5 Adjust the ÒD ZOOM DATA UP DOWN Ó button so that the dual waveforms are superimposed 6 Be sure to press the ÒDISPLAY CONFIRM Ó button to memorize setting 7 The OSD shows ÒCONFIRM Ó DUAL WAVEFORMS ARE SUPERIMPOSED 4 B Sub Brightness 1 VCR ÒPBÓ Color bar SP 2 B OUT an...

Page 54: ... and adjustment points Test point ADJ point NO ADDRESS Adjustment name Test point Adjustment point Spec 1 08 PLL PLL EVR 1 8 0 1V DC 2 02 BRIGHTNESS G OUT EVR 8 0Vp p 3 04 R SUB BRIGHTNESS R OUT EVR 8 0Vp p 4 05 B SUB BRIGHTNESS B OUT EVR 8 0Vp p 5 01 COLOR B OUT EVR 6 00 HUE B OUT EVR ...

Page 55: ...nput jack and make sure that the amplitude of the video SYNC signal is approximately 0 3V that the video block amplitude is approximately 0 7V that the burst signal amplitudeis approximately 0 3V with fiat characterics and the signal level ratio between the burst signal and ÒRedÓ signal is 0 30 0 66 The video signal color bars used for VCR block electrical adjustment are shown in figure 1 4 How to...

Page 56: ...01 29PIN GROUND IC601 28PIN COMMON IC601 30PIN OPEN EJECT PLAY LOADING STOP UNLOADING STOP LOADING UNLOADING DATE TITLE FADE BLC DISPLAY P AE DSE D ZOOM START STOP EJECT CONFIRM MODE CHANGE DOWN UP D A T A Rear Board for camcorder adjustment Figure of button placement when Rear Board is used for service adjustment Reassignment in the adjustment mode Note In service adjustment mode button names are...

Page 57: ...ange Note 4 The OSD information ÒXXÓ means arbitary values It can be different number depend on the condition Test point Step Adjustment Item 1 Mode and input signal alignment tape 2 Test point and ADJ part 3 Result and Remarks ADJ point Note 1 From now on the structure of every adjustment is as follows Note 2 How to connect video in out signal Connect the video cable to pattern generator and assÕ...

Page 58: ...p from SYNC tip to peak level 6 Be sure to press the ÒDISPLAY CONFIRM Ó button on unit to memorize setting 0 5 0 02Vp p 1 ÒY SEPÓ Adjustment is fixed to EVR data B4 2 Y FM Carrier Frequency Video block 1 Rec no signal input 2 TP203 and EVR 3 Confirm the Ò5 CARRÓ mode by pressing the ÒBLCÓ MODE CHANGE button of unit 4 Connect frequency counter probe to TP203 5 Press the Ò DATA DOWN DATA UP Ó button...

Page 59: ...e three steps When larger than specified value press the Ò DATA UP Ó and then press the ÒDISPLAY CONFIRM Ó button When smaller than specified value press the Ò DATA DOWN Ó and then press the ÒDISPLAY CONFIRM Ó button APPROX 0 7V APPROX 0 3V WHITE APPROX 100 H 1 0 0 05Vp p 4 REC Y Level Video block Ò4 REC YÓ Adjustment is fixed to EVR data B4 5 PB Output Level Video block 1 PB color bar tape 2 TP20...

Page 60: ... Adjustment name Test point Adjustmen 0 Y EMPHASIS TP201 EVR 0 5 0 02Vp p 1 Y C SEPARATION TP202 EVR data fixed B4 2 Y FM CARRIER FREQUENCY TP203 EVR 4 38 0 02MHz 3 Y FM DEVIATION TP203 EVR 1 0 0 05Vp p 4 REC Y LEVEL EVR data fixed B4 5 PB OUTPUT LEVEL TP204 EVR 1 0 0 05Vp p Test point ADJ point ...

Page 61: ...PFÓ mode by pressing the ÒBLCÓ mode change button on UNIT 4 Connect an oscilloscope to pin 10 of CTP501 5 Press the Ò DATA DOWN DATA UP Ó button so that the output waveform is completed sine wave and the distortion is miniized 6 Be sure to Press the ÒDISPLAY CONFIRM Ó button on unit to memorize setting AUDIO OUTPUT DISTORTION MINIMIZE Test point ...

Page 62: ... Head S W data in EVF or CVF is 6 2H 6 7H 5 Be sure to press the ÒDISPLAY CONFIRM Ó button on unit to memorize setting 8 Model set 1 PB color bar tape 2 EVR 3 Confirm the Ò8 MODELÓ mode by pressing the ÒBLCÒ MODE CHANGE button of unit 4 Press the Ò DATA DOWN DATA UP Ó button so that OSD shows ÒEPR XX EVR XXÓ ÒXXÓ is different depend on the models as shown below NTSC PAL SCA20 20 VP A20 20 SCA23 23...

Page 63: ...d View and Parts List 6 1 Cabinet Assembly 1 6 2 Cabinet Assembly 2 6 3 Cabinet Assembly 3 6 4 Mechanical Parts 1 6 5 Mechanical Parts 2 6 6 Mechanical Parts 3 6 7 EVF SC A20 6 8 CVF SC A23 A25 Page 6 2 6 4 6 6 6 8 6 10 6 12 6 14 6 16 ...

Page 64: ...Exploded View and Parts List 6 2 Samsung Electronics 6 1 Cabinet Assembly 1 120 124 122 123 904 901 125 121 901 126 908 630 147 904 145 141 907 146 150 142 144 904 148 901 904 173 903 143 901 149 174 ...

Page 65: ...6 AD64 10847A KNOB BATT EJECT ABS94 HB VP A20 147 AD64 30932A CASE LEFT ABS94 HB VP A20 148 AD90 10822G ASSY TERMINAL A2 P J SAMSUNG 149 AD98 12025D ASSY BASE TRIPOD VP A20 BLK 150 AD98 11242C ASSY CASE LEFT VP A20 173 AD61 20976A HOLDER EVF POM BLK VP A57 174 AD63 30567A COVER BATTERY ABS94 HB 630 AD90 10824K ASSY CVF A2 PJ NTSC SCA23 only 630 AD90 10829K ASSY EVF SC A20 XAP NTSC SCA20 only 630 A...

Page 66: ...xploded View and Parts List 6 4 Samsung Electronics 6 2 Cabinet Assembly 2 170 103 101 902 176 102 904 105 104 106 160 127 128 909 129 901 112 908 114 901 904 111 116 118 119 117 904 110 115 113 901 622 ...

Page 67: ...TOPPER POWER ABS94 HB VP A20 117 AD61 60521A SPRING REC TS SWPB 0 25 4 3 SC 80 118 AD61 60523A SPRING S S SUS304 0 2 SV D100 119 AD64 10843A KNOB POWER ABS94 HB VP A20 127 AD61 22014A HOLDER ZOOM ABS94HB T0 8 128 AD61 60568A SPRING ZOOM SUS304 D0 55 SV S99 129 AD64 10844A KNOB T W ABS94 HB VP A20 160 AD98 12024W ASSY CASE REAR SC A23 170 AD98 11242N ASSY CASE RIGHT VP A20 176 AD98 11242G ASSY COVE...

Page 68: ...Exploded View and Parts List 6 6 Samsung Electronics 6 3 Cabinet Assembly 3 901 183 901 180 175 903 187 182 181 W502 905 140 906 171 906 905 172 W501 100 ...

Page 69: ...SY CASE TOP VP A20 180 AD90 10826L ASSY LENS VP A20 XEU LENS 181 AC29 92002D FILTER OLP SV 3C01MM KSS 182 AC63 62007A SPACER CCD SILICON BLK VP K70 183 AD61 11035A BRACKET LENS STS T0 6 VP A20 187 AD90 10824L ASSY CCD A2 PJ NTSC 901 AC60 10055A SCREW TAPPING BH M2 X4 FZB 903 AC60 10054A SCREW TAPPING BH M2 X6 FZB 905 AC60 10024A SCREW MACHINE BH M2 X3 FZW FE 906 AC60 12128A SCREW TAP TITE BH BH 4 ...

Page 70: ...Exploded View and Parts List 6 8 Samsung Electronics 6 4 Mechanical Parts 1 004 305 302 005 401 021 402 005 301 303 001 304 003 002 ...

Page 71: ...L5 ZPCNYLOK 004 AC60 10017A SCREW MACHINE BH M1 7 X3 5 FEFZY SWCH1 005 AC60 12112A SCREW BH BH M1 4 L2 021 AC60 30015A WASHER SLIT ID 1 1 OD 2 6 T 0 4 POLYSLID 301 AD96 10473P ASSY HOUSING DE 6B 302 AD96 10473R ASSY DRUM DE 6B NN SS 304 AC61 72009A CONTACT EARTH BRUSH SECC PBSP CR C 303 AD66 40153A ROLLER IMP ASS Y YF 10 OD7 DE 6 305 AC63 32091A COVER DRUM DURACON M90 44 DE 401 AC63 30009A COVER R...

Page 72: ...Exploded View and Parts List 6 10 Samsung Electronics 6 5 Mechanical Parts 2 005 501 020 504 503 004 512 509 506 506 507 505 511 510 508 502 ...

Page 73: ...RETHAN L137 T0 4 505 AC66 32197A LEVER CAM SUS430 CP T0 6 DE 6 506 AC66 42005A ROLLER CAM MAIN SUS303 PI3 5X1 1 507 AC66 22092A GEAR CAM MAIN SUS304 CSP M0 5 Z64 508 AC66 82055A SLIDER MAIN ASSY DE 6 509 AC66 32198A LEVER EJECT DURANEX 3300 DE 6 510 AC34 22001C SWITCH MODE ASSY HMW0484 01WA DE 6 511 AC66 22126A GEAR LOADING DURACON 99 44 M0 4 Z37 WO 512 AC31 12001P MOTOR LOADING ASSY DE 6 Exploded...

Page 74: ...Exploded View and Parts List 6 12 Samsung Electronics 6 6 Mechanical Parts 3 407 405 412 411 409 413 414 410 408 415 417 416 406 ...

Page 75: ...S ASSY DE 6 409 AC66 12042A REEL T ASSY DE 6 410 AC66 12041A REEL S ASSY DE 6 411 AC66 32217A ARM PINCH ROLLER ASS DE 6 412 AC66 32213A ARM REVIEW ASSY DE 6 413 AC66 32223A BRAKE MAIN T DURACON M904 44 414 AC66 30120A BRAKE SOFT T ASSY DE 6 415 AC66 30093A ARM TENSION ASSY SUS304 CSP POM FELT 416 AC61 62022A SPRING SOFT BRAKE S SUS304 417 AC61 62023A SPRING TENSION SUS304 WPB Loc No New Part No De...

Page 76: ...Exploded View and Parts List 6 14 Samsung Electronics 6 7 EVF SC A20 605 606 615 616 608 607 617 614 612 619 620 901 618 903 611 ...

Page 77: ...11 AD61 20918A CAP FOCUS MBR BLK VP K70 612 AD64 30934A CASE EVF R ABS94 V0 VP A20 614 AD64 30933B CASE EVF L ABS94 V0 COL VP A20 615 AC67 12070A LENS EVF MD PMMA D19 1 ASP 616 AD61 22017A HOLDER EYE LENS A ABS94 HB VP A20 617 AC90 10012V ASSY CRT CS96 SPORTS 618 AD90 10828Y ASSY EVF BOARD A2 P J NT 619 AC67 10066A LENS EVF GJ OPT GRASS F1 D11 5 CG819 620 AD61 21083A HOLDER EYE LENS B ABS94 HB VP ...

Page 78: ...Exploded View and Parts List 6 16 Samsung Electronics 6 8 CVF SC A23 A25 600 601 602 603 604 605 606 609 610 608 607 612 903 611 613 614 621 ...

Page 79: ...4 HB VP A20 607 AD61 50725A GUIDE EYE LENS ABS94 HB VP A20 608 AD64 10845A KNOB EVF ABS94 HB VP A20 609 66463 605 910 LENS EVF PMMA CLR 610 AD61 21082A HOLDER LENS ABS94 HB VP A20 SEUK 611 AD61 20918A CAP FOCUS MBR BLK VP K70 612 AD64 30934A CASE EVF R ABS94 V0 VP A20 613 AD90 10823T ASSY CVF BOARD A2 PJ NTSC 614 AD64 30933E CASE EVF L ABS94 V0 COL SC A23 SCA23 only 614 AD64 30933F CASE EVF L ABS9...

Page 80: ...Exploded View and Parts List 6 18 Samsung Electronics MEMO ...

Page 81: ...000070 R CHIP 0ohm 5 1 16W DA TP 1608 R851 2007 000124 R CHIP 2 2Kohm 5 1 16W DA TP 1608 R852 2007 000100 R CHIP 68Kohm 5 1 16W DA TP 1608 R853 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 R854 2007 000122 R CHIP 1 2Kohm 5 1 16W DA TP 1608 R855 2007 000100 R CHIP 68Kohm 5 1 16W DA TP 1608 R856 2007 000125 R CHIP 3 9Kohm 5 1 16W DA TP 1608 R857 2007 000122 R CHIP 1 2Kohm 5 1 16W DA TP 1608 R858 2007...

Page 82: ...00246 IC OP AMP 3403 SOP 14P 173MIL QUAD 20V m ICZ01 AD14 10001N IC LOGIC KS7314X QFP 80P LP01 2703 000409 INDUCTOR SMD 47uH 10 3 2x2 5x2 2mm LP03 2703 000397 INDUCTOR SMD 33uH 10 2 5x2x1 8mm LP04 2703 000403 INDUCTOR SMD 22uH 10 3 2x2 5x2 2mm LP05 2703 000403 INDUCTOR SMD 22uH 10 3 2x2 5x2 2mm LP06 2703 000397 INDUCTOR SMD 33uH 10 2 5x2x1 8mm LP07 2703 000397 INDUCTOR SMD 33uH 10 2 5x2x1 8mm LP08...

Page 83: ...1608 C934 2203 002220 C CERAMIC CHIP 56PF 5 50V CH TP 1608 C935 2203 001632 C CERAMIC CHIP 330pF 5 50V CH 1608 1 6m C936 2203 001640 C CERAMIC CHIP 390PF 10 50V X7R TP 1608 C937 2203 001556 C CERAMIC CHIP 100nF 80 20 25V Y5V TP C938 2203 001636 C CERAMIC CHIP 33pF 5 50V NPO TP 1608 1 C940 2203 000512 C CERAMIC CHIP 2 2uF 80 20 16V Y5V 321 C941 2203 001103 C CERAMIC CHIP 6 8nF 10 50V X7R TP 1608 C9...

Page 84: ...0477 C CERAMIC CHIP 1uF 80 20 16V Y5V TP 20 C603 2402 001009 C AL SMD 100UF 20 6 3V GP TP 5 3X5 3X5 C604 2203 001556 C CERAMIC CHIP 100nF 80 20 25V Y5V TP C605 2203 000477 C CERAMIC CHIP 1uF 80 20 16V Y5V TP 20 C606 2404 000232 C TA CHIP 4 7uF 20 10V WT 3216 TP C608 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R 1608 T C609 2203 000626 C CERAMIC CHIP 22pF 5 50V NPO TP 1608 C610 2203 000626 C CERAMIC C...

Page 85: ...70ohm 5 1 16W DA TP 1608 R668 2007 000077 R CHIP 470ohm 5 1 16W DA TP 1608 R669 2007 000077 R CHIP 470ohm 5 1 16W DA TP 1608 R670 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 R671 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 R672 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 R673 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 R674 2007 000102 R CHIP 100Kohm 5 1 16W DA TP 1608 R675 2007 000102 R CHIP ...

Page 86: ...TP C351 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R 1608 T CN101 3708 001243 CONNECTOR FPC FC PIC 11P 1MM SMD A SN D151 0407 000145 DIODE ARRAY DCC010 80V 100mA C2 3 SOT 2 D201 0407 000115 DIODE ARRAY DAN202U 80V 100mA CA D202 0401 000171 DIODE SWITCHING MA111 80V 100mA 3nS SM D203 0407 000102 DIODE ARRAY DA204U 20V 100MA C2 3 SC 70 IC101 1201 001087 IC PREAMP 52369 QFP 48P SINGLE PLAST IC201 AC14 ...

Page 87: ...HIP 680ohm 5 1 16W DA TP 1608 R246 2007 000090 R CHIP 10Kohm 5 1 16W DA TP 1608 R247 2007 000119 R CHIP 560ohm 5 1 16W DA TP 1608 R248 2007 000119 R CHIP 560ohm 5 1 16W DA TP 1608 R249 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 R250 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 R251 2007 000120 R CHIP 680ohm 5 1 16W DA TP 1608 R252 2007 000078 R CHIP 1Kohm 5 1 16W DA TP 1608 R253 2007 000123 R CHIP...

Page 88: ... 2007 000029 R CHIP 0ohm 5 1 10W DA TP 2012 R03 2007 000029 R CHIP 0ohm 5 1 10W DA TP 2012 R04 2007 000029 R CHIP 0ohm 5 1 10W DA TP 2012 R05 2007 000033 R CHIP 0ohm 5 1 8W DA TP 3216 R06 2007 000033 R CHIP 0ohm 5 1 8W DA TP 3216 R11 2002 000322 R COMPOSITION 2 7Mohm 10 1 2W AA TP 3 5 R12 A1014 0079 R CEMENT RWC 2W I 3R3 J ST ABCO R13 2001 001000 R CARBON 82Kohm 5 1 8W AA TP 1 8x3 2mm R14 2001 001...

Page 89: ...07 C CERAMIC CHIP 220pF 5 50V CH 1608 1 6m CE30 2203 000257 C CERAMIC CHIP 10nF 10 50V X7R 1608 T CE31 2203 001683 C CERAMIC CHIP 68PF 5 50V CH TP 1608 1 CE32 2404 000139 C TA CHIP 10uF 20 6 3V 3216 TP CE33 2203 001556 C CERAMIC CHIP 100nF 80 20 25V Y5V TP CE34 2203 000477 C CERAMIC CHIP 1uF 80 20 16V Y5V TP 20 CE35 2203 001656 C CERAMIC CHIP 470pF 5 50V CH 1608 1 6m CE36 2203 000491 C CERAMIC CHI...

Page 90: ...BK 10X5 CNE01 3711 000922 CONNECTOR HEADER BOX 4P 1R 1 25mm SMD A CNE02 3711 002173 CONNECTOR HEADER BOX 4P 1R 1 5 STRAIGHT CNE03 AC03 12001B SOCKET CRT SOCKET FINDER PI10 40MM DE01 0407 000151 DIODE ARRAY MA153 40V 100mA C2 3 SOT 23 DE02 0401 000173 DIODE SWITCHING MA151K 40V 100mA 3nS S DE03 0401 000166 DIODE SWITCHING MA158 TX 200V 100mA FTB01 AC26 32001B TRANS FLYBACK ECX C2806D 0 6INCH 4 8V I...

Page 91: ...agrams Page 8 2 8 3 8 4 8 5 8 6 8 7 8 8 8 9 8 10 8 1 Overall Block Diagram Camera 8 2 Overall Block Diagram VCR 8 3 DC DC Converter 8 4 Drum Servo 8 5 Capstan Servo 8 6 Video Playback 8 7 Video Record 8 8 Audio Mono 8 9 Camera Main CCD ...

Page 92: ...Block Diagrams 8 2 Samsung Electronics 8 1 Overall Block Diagram Camera ...

Page 93: ...Block Diagrams Samsung Electronics 8 3 8 2 Overall Block Diagram VCR ...

Page 94: ...Block Diagrams 8 4 Samsung Electronics 8 3 DC DC Converter ...

Page 95: ...Block Diagrams Samsung Electronics 8 5 8 4 Drum Servo ...

Page 96: ...Block Diagrams 8 6 Samsung Electronics 8 5 Capstan Servo ...

Page 97: ...Block Diagrams Samsung Electronics 8 7 8 6 Video Playback ...

Page 98: ...Block Diagrams 8 8 Samsung Electronics 8 7 Video Record ...

Page 99: ...Block Diagrams Samsung Electronics 8 9 8 8 Audio ...

Page 100: ...Block Diagrams 8 10 Samsung Electronics 8 9 Camera Main CCD ...

Page 101: ...Samsung Electronics 9 1 9 PCB Diagrams Page 9 2 9 4 9 5 9 5 9 6 9 6 9 7 9 1 Main 9 2 Rear 9 3 Front 9 4 Terminal 9 5 CVF SCA23 SCA25 9 6 EVF SCA20 9 7 CCD ...

Page 102: ...PCB Diagrams 9 2 Samsung Electronics 9 1 Main Component Side ...

Page 103: ...PCB Diagrams Samsung Electronics 9 3 Conductor Side ...

Page 104: ...PCB Diagrams 9 4 Samsung Electronics 9 2 Rear Component Side Conductor Side ...

Page 105: ...PCB Diagrams Samsung Electronics 9 5 9 4 Terminal 9 3 Front ...

Page 106: ...PCB Diagrams 9 6 Samsung Electronics 9 5 CVF SCA23 SCA25 9 6 EVF SCA20 Component Side Conductor Side Component Side Conductor Side ...

Page 107: ...PCB Diagrams Samsung Electronics 9 7 Component Side Conductor Side 9 7 CCD ...

Page 108: ...PCB Diagrams 9 8 Samsung Electronics MEMO ...

Page 109: ...PCB Diagrams Samsung Electronics 9 9 9 1 MAIN 2 COMPONENT PATTERN ...

Page 110: ...PCB Diagrams 9 10 Samsung Electronics 9 1 MAIN 2 CONDUCTOR PATTERN ...

Page 111: ...PCB Diagrams Samsung Electronics 9 11 Component Side Conductor Side 9 7 CCD pattern ...

Page 112: ...Samsung Electronics 10 1 10 Wiring Diagram ...

Page 113: ...Wiring Diagram 10 2 Samsung Electronics MEMO ...

Page 114: ...1 6 11 7 11 8 11 9 11 10 11 11 11 12 11 13 11 14 3 Block Identification of Main PCB 11 1 DC DC Converter 11 2 System Control Servo 11 3 Video 11 4 Audio Mono 11 5 Rear 11 6 Terminal 11 7 Camera Main EIS 11 8 CCD 11 9 EVF SC A20 11 10 CVF SC A23 A25 11 11 Adaptor 11 14 Front ...

Page 115: ...der the electrostatically sensitive ES devices section of this service manual Note Do not use the part number shown on this drawing for ordering The correct part number is shown in the parts list may be slightly different or amended since this drawing was prepared Important safety notices Components identified with the mark have the special characteristics for safety When replacing any of these co...

Page 116: ...Schematic Diagrams Samsung Electronics 11 3 11 1 DC DC Converter ...

Page 117: ...Schematic Diagrams 11 4 Samsung Electronics T T T T T T 1 2 3 4 5 6 11 2 System Control Servo ...

Page 118: ...1 2 3 4 5 6 7 8 11 3 Video Schematic Diagrams Samsung Electronics 11 5 ...

Page 119: ...Schematic Diagrams 11 6 Samsung Electronics 11 4 Audio Mono ...

Page 120: ...Schematic Diagrams Samsung Electronics 11 7 11 5 Rear ...

Page 121: ...Schematic Diagrams 11 8 Samsung Electronics 11 6 Terminal ...

Page 122: ...Schematic Diagrams Samsung Electronics 11 9 11 7 Camera Main 3 2 1 6 7 4 5 ...

Page 123: ...Schematic Diagrams 11 10 Samsung Electronics 11 8 CCD 1 2 3 4 5 6 7 8 ...

Page 124: ...Schematic Diagrams Samsung Electronics 11 11 11 9 EVF SC A20 ...

Page 125: ...Schematic Diagrams 11 12 Samsung Electronics 11 10 CVF SC A23 A25 ...

Page 126: ...Schematic Diagrams Samsung Electronics 11 13 11 11 Adaptor ...

Page 127: ...Schematic Diagrams 11 14 Samsung Electronics 11 12 Front ...

Page 128: ...Schematic Diagrams Samsung Electronics 11 15 11 2 System Control Servo 11 4 Page RED DRUM SPEED SERVO DRUM PHASE SERVO ...

Page 129: ...Schematic Diagrams 11 16 Samsung Electronics 11 2 System Control Servo 11 4 Page BLUE CAPSTAN SERVO SPEED AND PHASE CAPSTAN PHASE SERVO ...

Page 130: ...Schematic Diagrams Samsung Electronics 11 17 11 2 System Control Servo 11 4 Page GREEN DRUM SERVO SPEED AND PHASE ...

Page 131: ...Schematic Diagrams 11 18 Samsung Electronics 11 7 Camera Main 11 9 Page RED ANALOG SIGNAL DIGITAL SIGNAL ...

Page 132: ...Schematic Diagrams Samsung Electronics 11 19 11 7 Camera Main 11 9 Page BLUE ...

Page 133: ...Schematic Diagrams 11 20 Samsung Electronics 11 9 CCD 11 12 Page RED CCD OUT ...

Page 134: ...Schematic Diagrams Samsung Electronics 11 21 11 9 CCD 11 12 Page BLUE ...

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Samsung SCA20, Service Manual

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Summary of Contents for SCA20

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