National rs 269us schematic
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Extracted text from national rs 269us schematic (Ocr-read)
Page 1
TAPE DECK MODEL IRS-26905 SCHEMATIC DIAGRAM
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NOTE: . - .
. $1-145, 52-145 ..... R/P SELECT SW. (SHOWN IN PLAYBACK POSITION)
. .S3-1~3~7 ............. TAPE SELECT SW. (SHOWN IN NORMAL POSITION)
S4~1~4oZ . . . . . . . . . . . .. DOLBY (N/oUT SW. (SHOWN IN OUT POSITION)
. $5-I~5-2 ............. MUTING SW. (OFF AT PLAYBACK POSITION)
$6 ................. POWER ONIOFF SW. (SHOWN IN ON POSITION)
S7 - ......... ; ....... MOTOR ON/OFF SW. (SHOWN IN ON POSITION)
. $8 ................. AC VOLTAGE SELECTOR
VRI, VR2 ............ PLAYBACK EOUALIZER ADJUSTMENT VR
. VR3. VR4 ............ PLAYBACK LEVEL ADJUSTMENT VR
. VRs, VRS ............ INPUT LEVEL ADJUSTMENT VR
. VR7, VRS, VR9, VR10.. OOLBV CIRCUIT ADJUSTMENT VR
V811, VR12 .......... RECORD LEVEL ADJUSTMENT VR
V813. V814 ........ . . . VU METER ADJUSTMENT VR
' this schematic dinram is Subiect to change. to aocomodate improvements in design.