Sony tc d 6c service manual

Page 1

WM-DSC.

of headphones supplied with

0 Refer to MDR»40L Service Manual issued previously
for information

0 Refer to ECM-939LT Service Manual issued previous»

Dolby and the double-D symbol are the trade marks of
Dolby laboratories Licensing Corporation. Noise reduction
system manufactured under license lrom Dolby Laboratories
Licensmg Corporation.

SPECIFICATIONS

ly for information of headphones supplied with

WM-D6 C:

US Model
Canadian Model
AEP Model

UK Model

E Model

TC-DS C:

US Model

Recording System: 4rtrack, Zachannel stereo

Wow and Flutter: 10.14% (DIN)

Tape Transport Mechanism Type

MT-DSC-ZD

0.04% WFIMS (NAB)

Tape Speed Deviation: :0.3% (speed tuning OFF)

Speed Tuner
Variations: Approx. t4%

DOLBY NR OFF

oWith TYPE IV cassette (Sony METALLIC)

40 #15000 HZ L3 dB

owitn TYPE [I cassette (Sony UCX)

40 #151000 Hz :3 dB

IWith TYPE I cassette (Sony BHF or HFX)

4O - 15,000 Hz :3 dB

Frequency Response:

S/N (NAB, at peak
level): DOLBY NR C
TYPE IVcassette (Sony METALLIC) 71 dB
TYPE I] cassette (Sony UCX) 71 dB
TYPE [cassette (Sony BHF or HFX) 67dB
DOLBY NR B
TYPE IV cassette (Sony METALLIC) 65dB
TYPE II cassette (Sony UCX) 65dB
TYPE I cassette (Sony BHF or HFX) 61 dB
DOLBY NR OFF
TYPE IV Cassette (Sony METALLIC) 58 dB
TYPE I] cassette (Sony UCX) 58 dB
TYPE I cassette (Sony BHF or HFX) 54dB
Total Harmonic
Distorsion: 0.9% with Sony METALLIC
Mic (PLUG IN POWER)
(stereo miniiack) x1
0.25mV (a70dB) With low impedance
microphone
LINE IN (stereo minijack) x1
77.5 mV (~20dE) (47 kilohms)

ill 0&3

Inputs:

nggROFILMJ

Outputs:

Power Output:

Battery Life:

Power Requirements:

Dimensions:

Weight:

LINE OUT (stereo minijack) x1

output level 0.25V (-10dB) (less than
4.7 kilohms)

Headphones (stereo rninijack) x 1

load impedance 87300 ohms
Headphones

30 mW + 30 mW (at 10% harmonic distortion)
load impedance 32 ohms

See page 2.

6 V dc, four batteries, (EC designation R6
(size AA)

8923 battery pack (optional)

External power input jack

(required power 6 V dc) accepts Sony ac
power adaptor (optional) listed on page 2
for use on appropriate ac power, or Sony
DOC-127A car battery cord (optional) for
use on 12 V car battery

181 x40x95mm (w/h/d)

(71/. X15/g >< 33/4 inches)

including projecting parts

Approx. 6409 (1 lb 7 02) including batteries

0 d3 = 0.775 V

STEREU CASSETTE-CURDER
SONY.)

Page 2

WM-DbC/TC-DbC

Battery life
1 rdin continuous
can muous race 9 playback
type of cassette TYPE IV TYPE I TYPE I, IV
(Sony BHF,
(Sony (Sony BHF, IIFX
batteries METALLIC) HFX) METALLIC)
Sony Eveready
AM3 alkaline 4 5 6
batteries
Sony SUM-3(NS)
New Super 2 2.5 3
batteries
(hours)

OTHER POWER SOURCES
HOUSE CURRENT

Use the appropriate ac power adaptor listed below,
available in the countries where the set is used.

First connect the adaptor to DC IN 6 V jack, and
then to a wall outlet

Before connecting, be sure to read the instruction
manual for the adaptor.

location ac power input voltage
adaptor of adaptor
AEP A066 220 V ac, 50 Hz
AC-456C 110 or 220 V ac
adjustable, 50 Hz
UK AC-ISA 240 V ac, 50 Hz
Canadian AC-9 120 V ac, 60 Hz
E AC~4A 110,120, 220 or 240 V
ac adjustable, 50/60 HZ
US AC~9W 120 V ac, 60 Hz

-r-.-.-w- w-.-a-.-o.-a--o.-oao.-w-.r-.-.r-.-.-.-.-.r -m-a-u- a---.-W-W-.-.-r.-mr-..-.-.r -M-.,-.-a-a-r-w

PARTS IDENTIFICATION

Peak/battery indicator and indication selector
Tape counter and reset button

DOLBY NR selector

TAPE selector

REC LEVEL (recording level) control

0 RECORD button

MIC ATT (microphone attenuator) switch
MIC (PLUG IN POWER) jack (stereo minijack)
HEADPHONES jack

II (pause) button

» (fast forward) CUE button

« (rewind) REVIEW button

V PLAY (playback) button

$.(eject/stop) button

HEADPHONE VOLUME control

LINE IN jack

LINE OUT jack

SPEED TUNE selector and control

DC IN 6 V jack

@665868666660906096

FEATURES

0 Quartz lock capstan servo system assures accurate
and stable tape speed.

I In addition to the conventional B-type Dolby* NR
system, the WMvD6C or TCvD6C employs the thpe
Dolby NR system which reduces tape noise twice as
effectively as the B-type system.

0 Speed control adjusts the tape speed accurately
(approx 24%) in the playback mode.

0 DC-DC converter boosts the low voltage of DC 6V
and maintains sufficient power.

0 Amorphous head for recording/playback provides
a wider dynamic range and a more extended fre-
quency response.

0 Tape selector for optimum recording with
standard tapes as well as high-performance tapes.

0 Microphone attenuator eliminates the distortion
which may be caused by high-level input signal.

C MIC (PLUG IN POWER) jack can supply power to
an ECM-lOZ electret condenser stereo microphone
(optional).

0 Four different power sources: batteries, house
current, rechargeable battery pack, and 12V car
battery.

C 5-LED peak/battery indicator shows both the peak
level and the battery strength.

0 Stereo miniiacks can be used for connecting to
audio components