Sony tc wa 7 es service manual

Page 1

TC-WA7ESMR565MR665S

SERVICE MANUAL

Photo : Tc-WR6658

US Model
TC-WA7ES/WR565/WR665S
Canadian Model
AEP Model

UK Model

E Model
Austral/an Model
Chinese Model

TC-WH565/WFI665S

' Dolby noise reduction and HX Pro headroom extension
manufactured under license from Dolby Laboratories Licensing

Model Name Using Similar Mechanism

TC-WR545/INR741

Corporation. HX Pro originated by Bang 6: Olufsen. TC-WR565/WR665S I
. TCM-190RA14CL
"DOLBY", the double-D symbol on and "HX PRO" are trademarks Tape Transnort Machanlsm DECK A Tc.wA7Es ;
of Dolby Laboratories Licensing Corporation» Type TCM-190RA12CL
DECK B TCM-190RB1ZCL
SPECIFICATIONS

System
Recording system
4-traok 2-channei stereo
Fast-winding time (approx)
90 see. (with Sony 060 cassette)
Bias AC bias
Singnal-to-noise ratio (at peak level and weighted with Dolby NR off)
Type I tape, Sony Type I (NORMAL) : 55 dB
Type H tape, Sony Type 11 (HIGH) : 57 dB
Type IV tape, Sony Type IV (METAL) : 58 dB
S/N ratio improvement (approximate values)
With Dolby B NR on : SdB at lkl-lz, lOdB at SkHZ
With Dolby C NR on : 15dB at SOOHz, ZOdB at lkHz
With Dolby S NR on (TC-WA7ES/WR6655 only) :
IOdB at 100Hz, 24dB at lkHz
Harmonic distortion
0.4% (with Type I tape, Sony Type I (NORMAL):
160 nWb/m 315 Hz, 3rd H.D.)
1.8% (with Type IV tape, Sony Type IV (METAL) :
250 nWb/m 315 Hz, 3rd HD.)
Frequency response (Dolby NR off)
Type I tape, Sony Type I (NORMAL) :
30-15,000l-lz ( i 3dB, IEC)
Type II tape, Sony Type ll (HIGH):
30«17,000Hz ( i 3dB, lEC)
Type IV tape, Sony Type IV (METAL) :
30-18,000l-lz( i 32:18, lEC)
30-13,000Hz( i 3dB, - 4dB recording)

Wow and flutter
TC-WA7BS/WR6655 : t 0.13% W. Peak (lEC)
0.07% W. RMS (NAB)
i 0.18% w, Peak (DIN)
TC-WR565 : i 0.14% W. Peak (lEC)
0.08% W. RMS (NAB)
: 0.19% W. Peak (DIN)
Variable pitch range (approx)
- 30 to +30%

Inputs
Line inputs (phone jacks)
Sensitivity : 0.16V
Input inpedance : 47 kilohms

Outputs
Line outputs (phono jacks)
Rated output level : 0.5V at a load impeadance of
47 kilohms
Load impedance : Over 10 kilohms
Headphones (stereo phone jack)
Output level : ImW at a load impedance of 32 ohms

- Continued on page 2 -

STEREO CASSETTE DECK
SONYQ

Page 2

General TABLE OF CONTENTS
Power requirements
Where purchased Power requirements Section Title Page

US, Canadian model 120V AC, 60Hz S 'f' 1
AEP, UK. German, pec1 [Cations ...............................................................
Chinese model 220 - 230V AC. 50/60Hz Safety Check~out ........................................................... 3
Australian model 240V AC, 50/60Hz
Emodel lZO/ZZO/MOV AC, 50/60Hz 1- GENERAL

l-ll Identifying the Parts

Power consumption

26W 2. DISASSEMBLY

Dimensions (approx) (w/h/d)

Model for UK. and Australian :
430x 123 X300mm (w/h/d)
(17 X 4 7A X ll 7A inches)
Model for other countries :
430x 123 X290mm (W/h/d)

2-1. Front Panel
2'2. Mechanism Deck -~
2-3. Capstan Motor, Reel Motor
2-4. Head, Pinch Roller --------------

c'nmuut'n

(17 X 4 7A X 11 /1 inches) 3- ADJUSTMENTS .
including projecting parts and controls 3'1- Mechanical Adjustments "7
Mass (Approx) 3-2. Electrical Adjustments - '7
45kg (91135 1502)
Supplied accessories 4. EXPLANATION OF IC TERMINALS ----------------------- 11
Audio connecting cords (2 phono plug-2 phone plugs) (2)
Optional accessory 5_ DIAGRAMS
Remote commander RM-J902 5_1_ Block Diagram ........................................

52. Printed Wiring Boards (System Control Section)-
5»3. Schematic Diagram (System Control Section)~
5~4. Schematic Diagram (Audio Section) ~~~~~~~
5-5. Printed Wiring Boards (Audio Section)
5-6l Printed Wiring Boards (Dolby (S) Section)"
5-7. Schematic Diagram (Dolby (5) Section) ~~~~~

Design and specifications are subject to change without notice.

6. EXPLODED VIEWS
6-1 Chassis Section -
6-2. Front Panel Section
6~3i Mechanism Section 1

6-4. Mechanism Section 2 ----- ~ 41
7. ELECTRICAL PARTS LIST ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 42
MODEL IDENTIFICATION
(Specification Label)
S ONY TC'WR565
9 MODEL NO. TC-WRGSSS
TCvWA7ES

STEREO CASSETTE DECK

US, Canadian model :
UK model :

Australian model :
AEP, German model :
E model :

Chinese model :

AC 120V 60HZ

AC 240V 50HZ

AC 240V~50l60HZ

AC 220-230V~50/60Hz
A0120, 220, 240V-50/60HZ
AC 220 - 230V~50/60Hz

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