Sony TC-WR87ES Service Manual
Sony TC-WR87ES Service Manual

Sony TC-WR87ES Service Manual

Stereo cassette deck
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SERVICE MANUAL
US Model
Canadian Model
TC-WR775
US Model
TC-WR87ES
Photo: TC-WR87ES
SPECIFICATIONS
Recording system
4-track 2-channel stereo
Fast winding time
Approx. 90 sec. (with Sony C-60 cassette)
Bias
AC bias
Signal-to-noise ratio (at peak level)
Dolby NR switch
Cassette
[ Type IV
58 dB (WR775)
(Sony METAL-SLT)
C-Type ON
66 dB (WR775)
73 dB (R775)
59 dB (WR87ES)
| 67 dB (WR87ES)
| 74 dB (WR87ES)
57 dB (WR775)
65 dB (WR775)
58 dB
(WR87ES) | 66 dB (WR87ES)
| 73 dB (WR87ES)
(
.
55 dB (WR775)
63 dB (WR775)
70 dB (WR775)
DE
ee
56 dB (WR87ES) | 64 dB (WR87ES)
| 71 dB (WR87ES)
Total harmonic distortion
1.0% (with Sony METAL-SLT cassettes)
Type {I (Sony UX-S)
72 dB (WR775)
Frequency response (DOLBY NR OFF)
| Type IV cassette
| 30 - 18,000 Hz (43 dB, IEC)
(Sony METAL-SLT)
| 30 - 15,000 Hz [+3 dB OVU(-4 dB)recording]
| Type I! cassette
| 30 - 17,000 Hz (+3 dB, 1EC)
(Sony UX-S)
Type | cassette
a
a
(Sony HF-S)
30 - 15,000 Hz (+3 dB, IEC)
£0.13% W.Peak (IEC)
0.07% WRMS (NAB)
+0.18% W.Peak (DIN)
Wow and flutter
Inputs
Line inputs
| Sensitivity
77.5 mV
(phono jacks)
| Input impedance
47 k ohms
Model Name Using | TC-WR775
| TC-WR720/
WR720A
Similar Mechanism
TC-WR87ES|
TC-WR80ES/WR820A
TC-WR775
| DECK A,B
|TCM-190RB12
TC-WR87ES;
DECK A,B}
TCM-190RB31
Tape
Transport
Mechanism
Type
Outputs
Line outputs
Rated output level
(phono jacks)
|
0.32 V at a load
impedance of
47 k ohms
Load impedance
| Over 10 kohms
Output level
0.2 mW at a load
impedance of 32 ohms (WR775)
0-1.25 mW at a load
impedance of 32 ohms (WR87ES)
Headphones
(stereo phone jack)
General
Power requirements
120 V AC, 60 Hz
Power consumption
30 W
:
Dimensions
Approx. 430 x 135 x 300 mm (w/h/d)
(17 x 5% x 117/s inches)
including projecting parts and controls
Weight
Approx. 4.9 kg (10 Ibs 13 oz) (WR775)
Approx. 5.3 kg (11 Ibs 11 0z) (WR87ES)
Supplied accessory
Audio connecting cords (2)
Design and specifications subject to change without notice.
WRT75 : TC-WR775
WR87ES : TC-WR87ES
* Dolby noise reduction and HX Pro headroom extension manufactured
under license from Dolby Laboratories Licensing Corporation. HX Pro
originated by Bang & Olufsen.
"DOLBY", the double-D symbol OO and "HX PRO" are trademarks of Dolby
Laboratories Licensing Corporation.
STEREO CASSETTE DECK
SONY.

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