TA-VE150 SERVICE MANUAL AEP Model UK Model This amplifier has the Dolby Surround system. Manufactured under license from Dolby Laborato- ries Licensing Corporation. “Dolby”, the double-D symbol a and “Pro Logic” are trademarks of Dolby Laboratories Licensing Corpo- ration. SPECIFICATIONS...
COMPONENTS IDENTIFIED BY A ! MARK ON THE SCHEMATIC DIAGRAMS, EXPLODED VIEWS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPO- NENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY.
SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. CASE, FRONT PANEL SECTION 3 case 1 tapping screws 1 two tapping screws 2 open the case 4 flat wire (CNS301) 6 claw 1 two tapping screws 4 flat wire 7 front panel section (CNS302)
SECTION 3 TEST MODE This equipment is provided with a test mode built in the micro- computer. The contents are described in the following. [Initial Mode] [VIDEO] 1. Press button while pressing both [5.1CH INPUT, DVD] buttons simultaneously. 2. “INITIAL” is displayed on the fluorescent indicator tube, and the status of the unit is set in the following.
4-1. NOTES FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM Note on Schematic Diagram: Note on Printed Wiring Board: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics •...
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IC300 LV1035M 64 63 62 R BPF2 L BPF2 RECT RECT LOGIC LOGIC R BPF1 L BPF1 RECT RECT LOGIC LOGIC RT IN S DC OUT C DC OUT R DC OUT LT IN L DC OUT CONTROL DC CUT V REF V REF CONTROL...
TA-VE150 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. 4-3. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 8 for Waveform. • See page 9 for IC Block Diagrams.
TA-VE150 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. 4-4. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 9 for IC Block Diagram. (Page 14)
TA-VE150 4-8. SCHEMATIC DIAGRAM – POWER Section – • See page 9 for IC Block Diagram. (Page 16) (Page 16) The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified.
4-9. IC PIN FUNCTION DESCRIPTION • DISPLAY BOARD IC201 µPD78042FGF-076-3B9 (SYSTEM CONTROLLER, FL/LED DRIVER, KEY CONTROL) Pin No. Pin Name Function 1 to 7 DIG7 to DIG1 Grid drive signal output to the fluorescent indicator tube (FL201) — Power supply terminal (+5V) Serial data transfer clock signal output to the M62447SP (IC100), LV1035M (IC300) and S.
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Pin No. Pin Name Function — Power supply terminal (+5V) BASS BOOST Bass boost on/off control signal output for the DBFB circuit “H”: bass boost on CONTROL Line muting on/off control signal output for the rear speaker right channel signal MUTE.
Part No. Description Remark 4-211-178-01 KNOB (VOL) 1-769-973-11 WIRE (FLAT TYPE) (13 CORE) X-4950-243-1 FRONT PANEL ASSY 3-710-901-11 SCREW, TAPPING 3-008-600-11 EMBLEM (5-AR), SONY * 10 4-211-182-01 CASE 1-670-635-11 POWER SW BOARD * 11 1-670-683-11 JOG BOARD 4-951-620-01 SCREW (2.6X8), +BVTP...
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(2) CHASSIS SECTION FAN1 PC900 T900 PC900 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 51 4-211-183-01 CHASSIS PANEL...
SECTION 6 DISPLAY ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.