SONY DISCMAN THEORY Repair Manual

$7.99

SONY DISCMAN THEORY - It's a complete service manual, and it's in PDF format. It contains circuit diagrams ( schemas ) etc. It also usually contains parts catalog. After placing order we'll send You download instructions on Your email address. See below for delivery information

The manual is available only in language(s): English

Link to manual will be sent on Your email address after You place order.

This product was added to our catalog on Monday 07 May, 2007.

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HIROSHI EMOTO - 11/29/2007

Very fast service and a good documents. Thank you.

James Thorp - 12/28/2006

Great original Yamaha manual and no problems at all with the ordering process. Will definitely use this website again and would recommend it to anyone else. James Thorp

Henry Seiden - 02/26/2009

I downloaded this product and looked through it quickly with Adobe Reader v9. It is clean and a good copy. Some scanned pages are not perfectly square, but that is a minor complaint. The document schematics and board diagrams are easy to read, of good contrast. The whole file downloaded quickly. This is a good service! Sony charges about $100 for the printed version of the same manual. It is still available through their print-on-demand pro parts system, but why would you do that?

Paul Brady - 01/03/2007

Talk about a lifesaver!!!!!!!!!!!! This schematic will also work for the Radio Shack DX-392. This is the full blown service manual complete with alignment instructions, schematics, and parts lists.

francesco mayol - 02/11/2007

This is the best site to find what you need.I reccomand all thecnicia n to contact User-Manuals .

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Click to see text excerpt from the manual

5. Generation of the D-RAM IC503 drive voltage
T401
VCC1D405
VOLTAGE37
+
3.2[V]
C422
VIN
26
VOLTAGE
IN
19
2
OUT
3TO IC503
IC40113pin VCC
POWER CONTROL
IC402
VOUT15[V] REG.
Q40229
PCBfrom IC801
17
6pin PCON
11.5[V]
1
2[V]
0
176.4[kHz]
Fig. 4-6 D-RAM IC503 drive voltage generation circuit block diagram
The D-RAM IC503 drive voltage generation circuit block diagram is shown in Fig. 4-6. When the PLAY key is pressed, the system
controller IC801 outputs the "L" signal from pin6 [PCON]. When "L" is output, the system controller section inside the POWER CONTROL
IC401 starts up and outputs the switching waveform from pin@? [VOUT1] of IC401. As the switching waveform is output from pin@?
[VOUT1] of IC401, the STEP-UP DC-DC CONVERTER consisting of Q402, T401, D405, C422 and the output switching waveform, starts
and generates the stepped-up voltage (approx. 11 V during AC adapter drive operation) from the above described stepped-VCC voltage. The
up voltage thus generated is sent to pin2 [IN] of the 5 V REG. IC402. As the 5 V REG. IC402 starts up, +5 V is generated by the series
regulator inside IC402. The +5 V regulated power is output from pin3 [OUT] to pin!L [VCC] of the D-RAM IC503 as the voltage to drive
the D-RAM IC503.
N 44 N