Technics SL-PJ28 Service Manual

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DIGITAL AUDIO
SL-PG100 MECHANISM SERIES (SODD110Z)
SPECIFICATIONS
@ Audio
No. of channels i
Frequency response
2 (left and right, stereo)
2—20,000 Hz+1 dB
Output voltage ; 2V (at 0 dB)
Dynamic range 85 dB
S/N ratio 95 dB
Total harmonic distortion 0.02% (1 kHz, 0 dB)
Wow and flutter Below measurable limit
Output impedance Approx. 1 kQ
Load impedance More than 10 kQ
@ Pickup
Wavelength 780 nm
mM CONTENTS
ACCESSORIES .00......eceseceneneene eee reas sees 2
BEFORE USE ......
CONNECTIONS ... c
PRECAUTION OF LASER DIODE ...
LOCATION OF CONTROLS .............csesecscscsesesssnessecessen
HANDLING PRECAUTIONS FOR OPTICAL PICKUP ..
DISASSEMBLY INSTRUCTIONS. o.oo... .seccssesecscsesseossssessees
MEASUREMENTS AND ADJUSTMENTS ..
TERMINAL FUNCTION OF IC's ................
INTERNAL CONNECTION OF FL ...
DIGITAL SERVO SYSTEM eee
Technics
ORDER NO. AD9104111C8
ervice Manual
Compact Disc Player
OL-PJ28
Color
[ (k)...Black Type |
Area
Country
Code Area Color
(E) Continental Europe.
Asia, Latin America,
(GC) Middle Near East and (K)
Africa.
(GN) Oceania. L
@ General
Power supply
For (E, GN) areas:
For (GC) area:
AC 50/60 Hz, 230-240 V
AC 50/60 Hz, 110 V/127 V/220 V/240 V
Power consumption 14W
Dimensions (WxHxD) 360 x 85 x 290 mm
Weight 2.9 kg
Note:
Specifications are subject to change without notice.
Weight and dimensions are approximate.
Page
TROUBLESHOOTING GUIDE ........0...:cc2:ccccscssscscsssssssasessseee 23, 24
BLOCK DIAGRAM =e 25~27
SCHEMATIC DIAGRAM .......0...0.0...20ccceccccsceecsecssscenssnnsessnees 28~33
PRINTED CIRCUIT BOARDS .......... .-. 34~36
WIRING CONNECTION DIAGRAM ...........0.20ccccccccsssesessseeesenees 37
REPLACEMENT PARTSLIST . . . . . . . . 38
EXPLODED VIEWS ...................- ... 39~41
REPLACEMENT PARTS LIST ... -. 42, 43
RESISTORS & CAPACITORS. ............--esscseececeeeseneees a. 44, 45
PACKING (oe 45