File name svdvd55_40.pdfDVD-VCR COMBINATION
Chassis : Diva SV-DVD55 SV-DVD40
SERVICE MANUAL SV-DVD55/40
SERVICE
DVD-VCR COMBINATION
STANDBY/ON
Manual
CONTENTS 1. Precautions 2. Alignment and Adjustment 3. Exploded Views and Parts List 4. Electrical Parts List 5. Block Diagram
If you want to know additional information which is not included on this Service Manual, please refer to the SV-DVD50 Training Manual (AK82-00330A).
ELECTRONICS
PROG
DVD
VCR
AUX
6. Schematic Diagrams
SV-DVD55
STANDBY/ON
PROG
DVD
VCR
AUX
SV-DVD40
© Samsung Electronics Co., Ltd. APR. 2003 Printed in Korea AK82-00358A
2. Alignment and Adjustments
2-1 VCR Adjustment
2-1-1 Reference
1) X-Point (Tracking center) adjustment, "Head switching adjustment" and "NVRAM option setting" can be adjusted with remote control. 2) When replacing the Main PCB Micom (IC601) and NVRAM (IC605 ; EEPROM) be sure to adjust the "Head switching adjustment" and "NVRAM option setting". 3) When replacing the cylinder ass'y, be sure to adjust the "X-Point" and "Head switching adjustment". 4) How to adjustment. - Intermittently short-circuit the Test Point on Main PCB with pincers to the adjustment mode. - If the corresponding adjustment button is pressed, the adjustment is performed automatically. - If the adjustment is completrd, be sure to turn the power off. 2-1-1(a) Location of adjustment button of remote control
STANDBY/ON
OPEN/CLOSE
X-Point (Tracking Center) Adjustment ; NVRAM Option Setting ; Head Switching Adjustment ;
OK
Fig. 2-1 Samsung Electronics 2-1
Alignment and Adjustments
2-1-1(b) TEST location for adjustment mode setting
Short-Circuit for few seconds and release. (Just one time)
Fig. 2-2 Main PCB (Top View)
2-2
Samsung Electronics
Alignment and Adjustments
2-1-2 Head Switching Point Adjustment
1) Playback the alignment tape. 2) Intermittently short-circuit the two Test Points on Main PCB while setting the adjustment mode. (See Fig. 2-2) 3) Press the "1, 0" buttons; remote control adjustment operates automatically. (See Fig. 2-1)
2-1-3 NVRAM Option Setting
1) NVRAM Option is adjusted in the factory. 2) In case Main PCB Micom (IC601) and NVRAM (IC605 ; EEPROM) are replaced, be sure to set the corresponding option number of the required model. (If the option is not set, the unit will operate.) 1) Intermittently short-circuit the two Test Points on Main PCB. (See Fig. 2-2) 2) Press the "1, 4" buttons on the remote control. The option setting is appears. (See Fig. 2-3) 3) Select the option number (See table 2-1) of corresponding model with " , , , " buttons on the remote control. 4) After selecting the option number is completed, press the " " button of remote control. (If " " button is pressed, the selected number is changescolor. ; See Fig. 2-4) 5) Press the "ENTER" button of remote control again to store the option number. 6) Turn the Power off.
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02 10 18 26 34 42 50 58 66
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05 13 21 29 37 45 53 61 69
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