Read Sony HT-K170 / TA-VE170 Service Manual online
TA-VE170
AEP Model
UK Model
E Model
Australian Model
Chinese Model
SERVICE MANUAL
HOME THEATER SYSTEM
Manufactured under license from Dolby Laboratories
Licensing Corporation.
“DOLBY”, “AC-3”, “Pro Logic” and the double-D symbol
Licensing Corporation.
“DOLBY”, “AC-3”, “Pro Logic” and the double-D symbol
;
and “Pro Logic” are trademarks of Dolby
Laboratories Licensing Corporation.
• This set is the Amplifier section in
HT-K170.
SPECIFICATIONS
(DIN 1 kHz, 8 ohms)
25 W + 25 W
(DIN 1 kHz, 8 ohms)
Front: 25 W / ch
Center: 25 W
Rear: 25 W / ch
Front: 25 W / ch
Center: 25 W
Rear: 25 W / ch
TV, VIDEO, DVD 2CH,
5.1 CH/DVD
5.1 CH/DVD
:
10 Hz - 50 kHz +0.5/–2 dB
WOOFER:
Voltage: 1 V
Impedance: 1 kilohms
Impedance: 1 kilohms
Full mute
220 - 230 V AC, 50/60 Hz
115 W
430 x 274 x 64.5 mm
4.6 kg
Power output
Rated Power
Output at Stereo
mode
Output at Stereo
mode
Reference
Power Output
Power Output
Frequency
response
response
Inputs
Outputs
Muting
Power
requirements
requirements
Power
consumption
consumption
Dimensions
Mass (Approx.)
TV,
VIDEO,
DVD 2CH,
5.1 CH/
DVD
VIDEO,
DVD 2CH,
5.1 CH/
DVD
Sensitivity
250 mV
Impedance
50
kilohms
S/N
(weighting
network,
input level)
85
*78IHF
dB*
(A, 250 mV)
General
Design and specifications are subject to
change without notice.
change without notice.
2
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK
0
OR DOTTED LINE WITH
MARK
0
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
PUBLISHED BY SONY.
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY.
Flexible Circuit Board Repairing
• Keep the temperature of soldering iron around 270˚C
during repairing.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
or unsoldering.
TABLE OF CONTENTS
1. GENERAL
········································································· 3
2. DISASSEMBLY
································································ 4
3. TEST MODE
····································································· 5
4. DIAGRAMS
········································································ 6
4-1. Notes for Printed Wiring Board
and Schematic Diagram ·················································· 6
4-2. Printed Wiring Board – MAIN Section – ······················ 9
4-3. Schematic Diagram – MAIN Section (1/2) – ·············· 10
4-4. Schematic Diagram – MAIN Section (2/2) – ·············· 11
4-5. Printed Wiring Boards – PANEL Section – ················· 12
4-6. Schematic Diagram – PANEL Section – ····················· 13
4-7. Printed Wiring Boards – POWER Section – ··············· 14
4-8. Schematic Diagram – POWER Section – ···················· 15
4-9. IC Pin Function Description ········································· 16
4-3. Schematic Diagram – MAIN Section (1/2) – ·············· 10
4-4. Schematic Diagram – MAIN Section (2/2) – ·············· 11
4-5. Printed Wiring Boards – PANEL Section – ················· 12
4-6. Schematic Diagram – PANEL Section – ····················· 13
4-7. Printed Wiring Boards – POWER Section – ··············· 14
4-8. Schematic Diagram – POWER Section – ···················· 15
4-9. IC Pin Function Description ········································· 16
5. EXPLODED VIEWS
····················································· 17
6. ELECTRICAL PARTS LIST
····································· 19
3
SECTION 1
GENERAL
This section is extracted
from instruction manual.
from instruction manual.
1
5.1 CH/DVD
2
DVD 2CH
3
TV
7
REAR SPEAKERS
8
CENTER SPEAKER
9
Mains lead
4
VIDEO
5
WOOFER
FRONT SPEAKER
FRONT SPEAKER
6
1
5
7
9
8
6
4
2
3
1
3
4
5
6
7
8
2
1 ?/1 button
2 CENTER MODE button
3 VIDEO button
4 TV button
5 DVD 2CH button
6 5-1 CH/DVD button
7 SOUND FIELD button
8 MASTER VOLUME knob
2 CENTER MODE button
3 VIDEO button
4 TV button
5 DVD 2CH button
6 5-1 CH/DVD button
7 SOUND FIELD button
8 MASTER VOLUME knob
4
CASE, FRONT PANEL SECTION
MAIN BOARD
Note:
Follow the disassembly procedure in the numerical order given.
4
case
3
screw (BVTP3 x8)
7
four screws
(BVTP3 x8)
(BVTP3 x8)
claw
6
flat wire
(CNS301)
(CNS301)
2
two tapping screws
1
two tapping screws
5
flat wire
(CNS302)
(CNS302)
claw
8
front panel section
8
Remove the
MAIN board
to direction of
the arrow
MAIN board
to direction of
the arrow
A
6
connector
(CNS800)
(CNS800)
5
connector
(CNP802)
(CNP802)
7
six screws
(BVTP3 x8)
(BVTP3 x8)
1
two screws
(BVTP3 x8)
(BVTP3 x8)
3
six screws
(BVTP3 x8)
(BVTP3 x8)
2
DC fan
4
connector
(CNS801)
(CNS801)
A
SECTION 2
DISASSEMBLY
