Sony TC-TX5 Service Manual ▷ View online
MICROFILM
TC-TX5
STEREO CASSETTE DECK
AEP Model
UK Model
E Model
Tourist Model
SERVICE MANUAL
Dolby noise reduction manufactured under
license from Dolby Laboratories Licensing
Corporation.
“DOLBY” and the double-D symbol
license from Dolby Laboratories Licensing
Corporation.
“DOLBY” and the double-D symbol
a
are
trademarks of Dolby Laboratories Licensing
Corporation.
Corporation.
Model Name Using Similar Mechanism
TC-S1
Tape Transport Mechanism Type
TCM-9700HLD
SPECIFICATIONS
Recording system
4-track 2-channel stereo
Frequency response
(DOLBY NR OFF)
30 – 14,000 Hz (±3 dB), using
Sony TYPE I cassette
30 – 15,000 Hz (±3 dB), using
Sony TYPE II cassette
30 – 14,000 Hz (±3 dB), using
Sony TYPE I cassette
30 – 15,000 Hz (±3 dB), using
Sony TYPE II cassette
Wow and flutter
±0.15% W. Peak (IEC)
0.1% W. RMS (NAB)
±0.2% W. Peak (DIN)
0.1% W. RMS (NAB)
±0.2% W. Peak (DIN)
Input
TAPE IN (phono jacks):
impedance 47 kilohms
impedance 47 kilohms
Output
TAPE OUT (phono jacks):
voltage 550 mV
impedance 47 kilohms
voltage 550 mV
impedance 47 kilohms
General
Power requirements
AEP, UK, Germany:
220 – 230V AC, 50/60 Hz
Other countries:
110 – 120V or 220 – 240 V AC,
50/60Hz Adjustable with the
voltage selector
voltage selector
Power consumption
10 W
Dimensions
Approx. 280
×
85
×
360 mm
(11
1
/
8
×
3
3
/
8
×
14
1
/
4
in) (w/h/d)
incl. projecting parts and controls
Mass
Approx. 3.7 kg (8 lb 3 oz)
Supplied accessories: Audio connecting cord (2)
AU BUS connecting cord (1)
Design and specifications are subject to change without
notice.
notice.
– 2 –
TABLE OF CONTENTS
1.
GENERAL
...................................................................
2
2.
DISASSEMBLY
.........................................................
3
3.
MECHANICAL ADJUSTMENTS
.......................
4
4.
ELECTRICAL ADJUSTMENTS
........................
4
5.
DIAGRAMS
5-1.
IC Pin Function Description ...........................................
7
5-2.
Printed Wiring Boards ....................................................
9
5-3.
Schematic Diagram ......................................................... 13
6.
EXPLODED VIEWS
................................................ 17
7.
ELECTRICAL PARTS LIST
............................... 22
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
!
OR DOTTED
LINE WITH MARK
!
ON THE SCHEMATIC DIAGRAMS
AND IN THE PARTS LIST ARE CRITICAL TO SAFE
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
OPERATION. REPLACE THESE COMPONENTS WITH
SONY PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.
Identification of Front Panel Parts
SECTION 1
GENERAL
1 POWER switch
2 ª (reverse play) button
2 ª (reverse play) button
3 · (forward play) button
4 π (stop) button
5 § (EJECT) button
6 CD SYNC button
7 ® REC (record) button
7 ® REC (record) button
8 Cassette holder
9 ∏ PAUSE button
9 ∏ PAUSE button
0 º/‚ (fast-forward, rewind/AMS) button
!¡ DOLBY NR switch
!™ DIRECTION switch
!™ DIRECTION switch
MODEL IDENTIFICATION
,,
yy
z
MODEL NO. TC-TX5
STEREO CASSETE DECK
AEP, UK, German model : AC 220-230V~50/60Hz 10W
E, Saudi Arabia, Hong Kong, Malaysia, Singapore,
Tourist model : AC 110-120V/220-240V~50/60Hz 10W
E, Saudi Arabia, Hong Kong, Malaysia, Singapore,
Tourist model : AC 110-120V/220-240V~50/60Hz 10W
AEP, UK, German model : AC 220-230V
⁄
50/60Hz 10W
E, Saudi Arabia, Hong Kong, Malaysia, Singapore,
Tourist model : AC 110-120V/220-240V
Tourist model : AC 110-120V/220-240V
⁄
50/60Hz 10W
– 3 –
SECTION 2
DISASSEMBLY
Note:
Follow the disassembly procedure in the numerical order given.
CASE
FRONT PANEL SECTION
LOADING PANEL
MECHANISM DECK
2
Remove the loading panel
to direction of the arrow
to direction of the arrow
B
.
B
1
Rotate the gear
to direction of
the arrow
to direction of
the arrow
A
.
1
two screws
(BVTT2.6
(BVTT2.6
×
8)
3
two screws
(BV3
(BV3
×
8)
2
bracket
7
mechanism deck
5
connector
(CN804)
(CN804)
4
four
screws
(BV3
screws
(BV3
×
8)
6
two
claws
claws
5
two
connectors
(CN351, 803)
connectors
(CN351, 803)
1
two screws
(CASE 3 TP2)
(CASE 3 TP2)
2
case
1
two screws
(CASE 3 TP2)
(CASE 3 TP2)
1
screw
(BV3
(BV3
×
8)
2
flat wire
(CN802)
(CN802)
3
front panel section
1
screw
(BV3
(BV3
×
8)
1
three screws
(BV3
(BV3
×
8)
A
– 4 –
PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened
swab:
record/playback/earth head pinch roller
rubber belts
rubber belts
capstan
idlers
2. Demagnetize the record/playback head with a head demagne-
tizer. (Do not bring the head demagnetizer close to the erase
head.)
head.)
3. Do not use a magnetized screwdriver for the adjustments.
4. After the adjustments, apply suitable locking compound to the
4. After the adjustments, apply suitable locking compound to the
parts adjusted.
5. The adjustments should be performed with the rated power sup-
ply voltage unless otherwise noted.
Torque Measurement
SECTION 3
MECHANICAL ADJUSTMENTS
Mode
Torque Meter
Meter Reading
CQ-102C
30-65 g•cm
FWD
(0.42-0.90 oz•inch)
FWD
1.5-6 g•cm
Back tension
(0.021-0.083 oz•inch)
CQ-102RC
30-65 g•cm
REV
(0.42-0.90 oz•inch)
REV
1.5-6 g•cm
Back tension
(0.021-0.083 oz•inch)
70-130 g•cm
FF, REW
CQ-201B
(0.98-1.80 oz•inch)
SECTION 4
ELECTRICAL ADJUSTMENTS
Note: The adjustment should be performed in the order given in
the service manual. As a rule, adjustments about playback
should be performed before those about recording.
The adjustments should be performed before for both L-CH
and R-CH.
should be performed before those about recording.
The adjustments should be performed before for both L-CH
and R-CH.
• Switches and controls should be set as follows unless otherwise
specified.
DOLBY NR switch
: OFF
DIRECTION switch :
A
0 dB=0.775 V
Test Tape
Type
Signal
Used for
P-4-A100
10 kHz, –10 dB
Azimuth Adjustment
P-4-L300
315 Hz, 0 dB
Playback Level Adjustment
WS-48B
3 kHz, 0 dB
Tape Speed Check
Test Mode
This set will get into test mode by shorting the pins of CN801 (2P)
on MAIN board before turning the power on.
on MAIN board before turning the power on.
