Sony APR-2003 Service Manual

US Model
AEP Model
SPECIFICATIONS
Tape & Reel size 6.25 mm (}/,") 5° Reel
Tape speed 19 cm/s (71/, ips),
9.5 cm/s (33/, ips)
Audio track width 2.1 m/m for each track
REC LEVEL 185 nwb/m at 0 dB
Time code track width
0.38 *8-82 mm
Time accuracy of audio & time code track
Less than 8 msec (at tape speed 19 cm/s)
LINE IN/MIC input (selectable) XLR type
Min input level
LINE: -10 dBs (—20 dBs-+20
dBs set by internal
wiring)
MIC: -70 dBs. —50 dBs
(at 20 dB ATT)
0 dBs = 0.775 V
LINE: 47 kilohm balanced
MIC: 10 kilohm balanced
DC POWER for MIC
DC 48 V (7 mA/CH) or
12 V (10 mA/CH) A-B with
Impedance
OFF switch
Time code input XLR type
Input level 0.5-5 Vp-p
Impedance 10 kilohm, balanced
Line output XLR type
Output level 0 dBs at 47 kilohm
Impedance 600 ohm unbalanced
EXT. NR Input & output TUCHEL 7-p type
Output level O dBs
Impedance 100 ohm unbalanced
Input level 0 dBs
Impedance 47 kilohm unbalanced
MICROFILM
Monitor output (12V, 1kHz)
install speaker (16 ohm)
500 mW
Headphones 1 mW (at 32 ohm)
Frequency response (AMPEX 456)
19cm/s 30-15000Hz +2dB
25- 18000Hz +3dB
9.5 cm/s 30-10000Hz +2dB
Signal to Noise ratio (at 510nwb/m AMPEX 456)
19 cm/s More than 58 dB
61 dB (''A" WEIGHTED)
9.5 cm/s 57 dB
60 dB (''A" WEIGHTED)
Total harmonic distortion (1kHz, 510nwb/m, AMPEX 456)
19 cm/s Less than 2%
9.5 cm/s Less than 2.5%
Rec limiter characteristic
Suppressed 8 dB at +20 dB input
Warm-up time of power
Less than 1 sec
Erase efficiency (at 1kHz)
More than 70 dB
— Continued on pge 2 ~
SAFETY-RELATED COMPONENT WARNING!
COMPONENTS IDENTIFIED BY SHADING AND viA RK
A ON THE SCHEMATIC DIAGRAMS AND It T HE
PARTS LIST ARE CRITICAL TO SAFE OPERATION.
REPLACE THESE COMPONENTS WITH SONY (ARTS
WHOSE PART NUMBERS APPEAR AS SHOWN If TFIIS
MANUAL OR IN SUPPLEMENTS PUBLISHED BY SOMY.
AUDIO RECORUER
SONY.