Sony TA VE150 Schematic
TA-VE150
RTV servis Horvat
Tel: ++385-31-856-637
Tel/fax: ++385-31-856-139
Mob: 098-788-319
www.rtv-horvat-dj.hr
www.rtv-horvat-dj.hr
SERVICE MANUAL
This amplifier has the Dolby Surround system.
Manufactured under license from Dolby Laboratories Licensing Corporation.
“Dolby”, the double-D symbol a and “Pro Logic” are
trademarks of Dolby Laboratories Licensing Corporation.
SPECIFICATIONS
Amplifier section
Power output
Stereo mode (DIN 1 kHz, 8 ohms)
25 W + 25 W
Surround mode (DIN 1 kHz, 8 ohms)
Front: 25 W/ch
Centre: 25 W
Rear: 25 W/ch
AEP Model
UK Model
Outputs VIDEO (AUDIO OUT):
Voltage 200 mV,
Inpedance 10 kilohms
WOOFER/AUDIO OUT:
Voltage: 2 V
Impedance: 1 kilohms
Muting Full mute
BASS BOOST +9 dB at 70 Hz
5.1 CH (DIN 1 kHz, 8 ohms)
INPUT/DVD mode Front: 25 W/ch
Frequency response TV, VIDEO, DVD-2CH,
Inputs
TV , VIDEO, DVD-2CH, 200 mV 50 82 dB*
5.1 CH INPUT/DVD kilohms (A, 150 mV)
MICROFILM
Centre: 25 W
Rear: 25 W/ch
5.1 CH INPUT/DVD:
20 Hz-50 kHz ± 1 dB
Sensitivity Impedance S/N
(weighting network, input level)
*’78 IHF
General
Power requirements 230 V AC, 50/60 Hz
Power consumption 115 W
Dimensions 430 × 274 × 64.5 mm
Mass (Approx.) 5.4 kg
Supplied accessories Remote controller
(remote) (1)
Size AA (R6) batteries (2)
Scart adaptor (1)
Design and specifications are subject to change without notice.
Specifications indicated are measured at 230 VAC, 50 HZ.
INTEGRATED AV AMPLIFIER
TABLE OF CONTENTS
www.rtv-horvat-dj.hr
1. GENERAL
.................................................................. 3
2. DISASSEMBLY ......................................................... 4
3. TEST MODE.............................................................. 5
4. DIAGRAMS................................................................. 6
4-1. Notes for Printed Wiring Board
and Schematic Diagram .................................................. 7
4-2. Printed Wiring Board – MAIN Section –...................... 11
4-3. Schematic Diagram – MAIN Section (1/2) –................ 13
4-4. Schematic Diagram – MAIN Section (2/2) –................ 15
4-5. Printed Wiring Boards – PANEL Section – .................. 17
4-6. Schematic Diagram – PANEL Section –....................... 19
4-7. Printed Wiring Boards – POWER Section – ................. 21
4-8. Schematic Diagram – POWER Section – ..................... 23
4-9. IC Pin Function Description ........................................... 25
5. EXPLODED VIEWS................................................ 27
6. ELECTRICAL PARTS LIST ............................... 29
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be damaged by heat.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY A ! MARK ON THE SCHEMATIC
DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE
CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE P ART NUMBERS APPEAR
AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY.
– 2 –
Location of controls
www.rtv-horvat-dj.hr
— Front view —
SECTION 1
GENERAL
1
1 I /u button
2 3 STEREO indicator
3 NORMAL indicator
4 WIDE indicator
5 PHANTOM indicator
6 Remote sensor
7 Display window
8 SIMULATED indicator
9 C. STUDIO indicator
!º PRO LOGIC indicator
— Rear view —
2 3 4 5 6 7 8 9 !º !¡ !™ !£
!¢ !∞ !§ !¶ !• !ª
!¡ BASS BOOST indicator
!™ MUTING indicator
!£ MASTER VOLUME dial
!¢ CENTER MODE button
!∞ TV button
!§ VIDEO button
!¶ DVD, 2 CH button
!• 5.1 CH INPUT, DVD button
!ª SURROUND MODE button
1 2 3 4 5 6 7 8
1 5.1 CH INPUT/DVD jacks
2 DVD 2 CH jacks
3 VIDEO jacks
4 TV jacks
5 WOOFER jack
6 FRONT SPEAKERS terminals
7 REAR SPEAKERS terminals
8 CENTER SPEAKER terminals
– 3 –
SECTION 2
www.rtv-horvat-dj.hr
DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
CASE, FRONT PANEL SECTION
1
two tapping screws
4
flat wire
(CNS301)
6
claw
7
front panel section
3
case
1
tapping screws
2
open the case
1
two tapping screws
4
flat wire
(CNS302)
MAIN BOARD
5
Remove the
MAIN board
to direction of
the arrow
1
A
1
connector
(CNS800)
5
three screws
(BVTP3 x8)
connector
(CNP802)
3
DC fan
1
connector
(CNS801)
A
6
claw
4
2
two screws
(BVTP3 x8)
six screws
(BVTP3 x8)
– 4 –
4
six screws
(BVTP3 x8)
SECTION 3
www.rtv-horvat-dj.hr
TEST MODE
This equipment is provided with a test mode built in the microcomputer. The contents are described in the following.
[Initial Mode]
1.
Press I/u button while pressing both [VIDEO] and
[5.1CHINPUT,DVD] buttons simultaneously.
2. “INITIAL” is displayed on the fluorescent indicator tube, and
the status of the unit is set in the following.
• All Memory is clear.
• Center, rear level set to 0.
• Center mode set to Phantom.
• DBFB clear.
• Muting clear.
• Volume level set to min.
[Factory Mode]
1.
Press
I/
u
button while pressing three buttons of
[DVD,2CH]
2. Factory setting same as initial except center mode set to normal using jog can set to volume max or min directly.
[FL Check Mode]
1. Press
2. Fluorescent indicator tube and LED are check ed, “FINISH” is
buttons simultaneously.
displayed and the status of the unit is set back in normal condition.
, and
I/
u
button while both
[5.1CHINPUT,DVD]
[
CENTERMODE
simultaneously.
]
and
[TV]
[VIDEO]
,
[Gain Up Mode]
I/
u
1. Press
ton.
2. “GAIN UP” is displayed on the fluorescent indicator tube and
the rear is gained up 3 dB.
3. To exit from this mode, press two buttons in the same manner
as step1.
“NORMAL” is displayed on the fluorescent indicator tube and
the status of the unit is set back in normal condition.
[Version Mode]
1. Press
[
SURROUNDMODE
2. Version of its destination is displayed on the fluorescent indicator tube.
button while pressing
I/
u
button while pressing both
]
buttons simultaneously.
[
SURROUNDMODE
[
CENTERMODE
]
but-
]
and
– 5 –
• Circuit Boards Location
www.rtv-horvat-dj.hr
SECONDARY board
SECTION 4
DIAGRAMS
PRIMARY board
STANDBY board
POWER SW borad
MAIN board
DISPLAY board
JOG board
– 6 –
4-1. NOTES FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM
www.rtv-horvat-dj.hr
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
specified.
¢
•
• 2 : nonflammable resistor.
• C : panel designation.
Note: The components identified by mark ! or dotted line
• U : B+ Line.
• V : B– Line .
• Voltages and waveforms are dc with respect to ground
• Voltages are taken with a VOM (Input impedance 10 MΩ).
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
: internal component.
with mark ! are critical for safety.
Replace only with part number specified.
under no-signal conditions.
no mark : VIDEO
Voltage variations may be noted due to normal production tolerances.
Voltage variations may be noted due to normal production tolerances.
F : FRONT/AUDIO IN
f : REAR
E : CENTER
j : WOOFER
1
4
/
W or less unless otherwise
Note on Printed Wiring Board:
• X : parts extracted from the component side.
•
p : parts mounted on the conductor side.
• b : Pattern from the side which enables seeing.
• Indication of transistor.
C
Q
B
B
E
Q
CE
These are omitted.
These are omitted.
– 7 –
• Waveforms
www.rtv-horvat-dj.hr
– MAIN Board –
1 IC300 #¡ (OSC)
8 MHz
– DISPLAY Board –
1 IC201 #¢ (X1)
3.4 Vp-p
4.3 Vp-p
4.19 MHz
– 8 –
Loading...