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SPECIFICATIONS
AV AMPLIFIER
MICROFILM
TA-EX100
AEP Model
E Model
TA-EX100 is the amplifier
section in MHC-EX100AV.
­ Continued on next page ­
General
Power requirements
AEP,German,Italian models:
220-230V AC, 50/60Hz
Other models:
110-120V or 220V-240V AC
adjustable, 50/60Hz
Power consumption
220W (active speakers not
included)
Design and specificatuons aer subject to change
without notice.
SERVICE MANUAL


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MODEL IDENTIFICATION
­ BACK PANEL ­
PARTS No.
MODEL
AEP model
German model
Italian model
Singapore model
Hong Kong model
PARTS No.
4-978-785-0
4-978-785-1
4-978-785-2
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
PUBLISHED BY SONY.
[ TEST MODE ]
Press SYSTEM POWER button, turn the power on and press DIS
PLAY and AUDIO buttons for two seconds at the same time to
enter in the test mode.
See the list below for check of mode and display.
Button
M.MENU
P.FILE
PRO LOGIC
M.SOURCE
PRESENSE
MEMORY
NAME
KARAOKE
PON/MPX
Display(mode)
PRO-LOGIC ON/OFF & MODE setting.
The display will change every pressing the
button.
PHANTOM(ON)
n NORMALn WIDEn
3CH LOGIC
nTHROUGH(OFF)
7kHz LPF ON/OFF
B DECODER ON/OFF
LEFT (Lch test tone output)
RIGHT (Rch test tone output)
CENTER (Cch test tone output)
REAR (Sch test tone output)
FL & LED all light up
SECTION 1. GENERAL ................................................. 3
SECTION 2. DISASSEMBLY
2-1.
Front Panel Assembly ........................................................... 4
2-2.
Audio Board and DSP Board ............................................... 4
2-3.
Main Board ........................................................................... 5
2-4.
Back Panel Assembly ........................................................... 5
SECTION 3. DIAGRAMS
3-1.
Circuit Boards Location ....................................................... 6
3-2.
IC Pin Function
· IC601 System Control (HD6433927B97F) ....................... 7
3-3.
Printed Wiring Board -- Main Section -- ........................... 9
3-4.
Schematic Diagram -- Main Section -- ............................ 13
3-5.
Schematic Diagram -- Audio/Panel Section -- ................. 18
3-6.
Printed Wiring Board -- Audio/Panel Section -- .............. 23
3-7.
Printed Wiring Board -- DSP Section -- .......................... 26
3-8.
Schematic Diagram -- DSP Section -- ............................. 29
3-9.
IC Block Diagrams -- DSP Section -- .............................. 33
SECTION 4. EXPLODED VIEWS
4-1.
Front Panel Section 1 ......................................................... 35
4-2.
Front Panel Section 2 ......................................................... 36
4-3.
Chassis Section ................................................................... 37
SECTION 5. ELECTRICAL PARTS LIST ................. 38
Note:
Turn off the test tone with pressing the M.MENU button to change
the mode.
Press the corresponded button to each channel to fix each
channel of the test tone after the M.SOURCE button.
Press the SYSTEM POWER button to cancel the test mode.
TABLE OF CONTENTS


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SECTION 1
GENERAL
This section is extracted from
instruction manual.


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SECTION 2
DISASSEMBLY
Note: Follow the disassembly procedure in the numerical order given.
2-1. FRONT PANEL ASSEMBLY
2-2. AUDIO BOARD AND DSP BOARD
1 Connector
(CN603, Flat type
15 core)
3 Ground clip
4 Three screws
(BVTP 3x8)
Claw
5 Remove the front panel assembly
with care to claws.
Claw
2 Connector
(CN601, Flat type 29 core)
Claw
Claw
Claw
Claw
1 Connector
(CN604, Flat type 13 core)
2 Two screws
(BVTT 3x6)
3 PC board retainer
4 Audio board
5 DSP board


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2-3. MAIN BOARD
1 Connector (CN805)
2 Connector (CN509)
3 Connector (CN803)
4 Connector (CN508)
5 Two screws
(BVTP 3x8)
6 AMP board
7 Connector (CN506)
8 Connector (CN903)
9 Connector
(CN503)
0 Connector
(CN993)
!¡ Screw
(BVTP 3x8)
!TM Three screws
(BVTP 3x8)
!£ Four screws
(BVTP 3x8)
!¢ Remove the main board
direction of arrow.
2-4. BACK PANEL ASSEMBLY
1 Connector
(CN901)
2 Connector
(CN991)
3 Connector
(CN992)
4 Three screws
(BVTP 3x8)
5 Back panel assembly
Note for installation