|
|
|
Categories
|
|
Information
|
|
Featured Product
|
|
|
 |
|
|
There are currently no product reviews.
 ;
Fast access, 100% correct and complete service manual
;
just what i was seeking .had a password issue but the review allowed me to circumvent and download was great
;
Great manual, great price. Has a few of the basic operating instructions that most service manuals leave out. Complete instructions for disassembling board by board, safety precautions, schematics, complete parts list.
;
I am very pleased with the service manual for my RT-909. This was an easy purchase and great procuct, and much cheaper than other venues i had looked at. This web site is now listed in my favorites list. KEEP UP THE GOOD WORK. THANKS. J. BROWN
;
A very well written and easy to understand manual.
1. TECHNICAL SPECIFICATIONS
Rated power output (20 Hz to 20 kHz, 8 � load) ................................... 125 W Total harmonic distortion (20 Hz to 20 kHz, 8 � load) .................................. 0.02 % Output bandwidth (8 � load, 0.04 %) ........... 10 Hz to 50 kHz Frequency response ................... 10 Hz to 70 kHz, +0 / -1 dB Damping factor (8 � load, 1 kHz) ....................................... 60 S/N (IHF A network, input shorted) ............................. 110 dB
3. BLOCK DIAGRAM
MAIN AMP INPUT +29.0dB SPK OUT
INVERT OUTPUT MAIN TRANSF. PROTECTOR DRIVE EXT.CONT.IN
+15V -15V +B -B
Supply voltage [/N] ...................................... 230 V AC, 50 Hz [/U] ...................................... 120 V AC, 60 Hz Power consumption [/N] ................................................ 200 W (Stand-by) 1 W [/U] ............................................... 230 W (Stand-by) 2.5 W Dimensions Width ...................................................................... 88 mm Height ................................................................... 146 mm Depth .................................................................... 470 mm Weight ........................................................................... 5.7 kg
STANDBY
SUB TRANSF. +5V REMOTE CONT.IN REMOTE CONT.OUT AC OUTLET
+24V
µ-COM TMP47C201P
Design and specifications are subject to change without notice.
POWER SW
MAINS CORD
2.IC DATA
QY01 : TMP47C201P
4. TEST EQUIPMENT REQURED FOR SERVICING
Item
XOUT XIN RESET NOT USED DOUT PLED SLED VSS 1 2 3 4 5 6 7 8 16 15 R53 14 R52 13 R51 12 R50 11 R43 10 R42 9 VDD DIN (INT 1) VIN HEAT LEVEL RSEN AVSS Sink open-drain outputs ON
Use
使�� ����
é �â��â��â��â��ç�®
Distortion Analyzer
æªç��è¨�
Distortion measurements
æªã�®æ¸¬å®�
Sink open-drain outputs
R80 R81 R40 R41
Audio Oscillator
��波���
Sinewave and squarewave signal source
æ£å¼¦æ³¢å��ã�³ç�©å½¢æ³¢ã�®ä¿¡å�·æº�
AC VTVM AC VTVM Oscilloscope
ã�ªã�·ã�ã�¹ã�³ã�¼ã��
Voltage measurements (AC)
交����測�
Waveform analysis and trouble shooting and ASO alignment
波����������������� ASO �調�
Port R80 R81 R82 R40 R41 R42 R43 R50 R51 R52 R53
Pins 4 5 15 6 7 9 10 11 12 13 14
Name
In/Out Input
Active
Description Not used Data output from RC5.
DOUT DIN PLED SLED ON AVSS RSEN LEVEL HEAT VIN
Output Input Output Output Output Output Input Input Input Input L L L L/H L/H H/L L/H L/H L/H
Data input to RC5. Power LED. Stand-by LED. Power amplifier OFF/ON Power amp supply voltage control. Low/High voltage. Power amp output muting status detection input. OFF/ON. Power amp output level detection input. High/Low power. Heat sink overheating detection input. Overheat/Normal. Video and DC signal detection input. Detected/Not detected.
DC VTVM DC VTVM AC Wattmeter
交��������
Voltage measurements (DC)
�����測�
Monitors primary power to amplifier
�����次��費�������
Line Voltmeter
�����
Monitors poterntial of primary power to amplifier
�����次��費�������
Vanable Autotransformer
������
Adjust level of primary power to amplifier
�����次����調�
Circuit Tester
����
Trouble shooting
�����������
Shorting Plug
��������
Shorts amplifier input to eliminate noise pickup
é��é�³ã��æ�¾ã��ã�ªã��ã��ã��ã�«ã�¢ã�³ã��å�¥å��ã��ç�絡ã��ã��
POWER
1
2
|
|
|
> |
|
