Name: Denon DVD-757
Brand: Denon
Rating: 4 (1 reviews)

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DVD-1930CI / DVD-757

With Iron Wire:

1. Using desoldering braid, remove the solder from

all pins of the flat pack-IC. When you use solder

flux which is applied to all pins of the flat pack-IC,

you can remove it easily. (Fig. S-1-3)

2. Affix the wire to a workbench or solid mounting

point, as shown in Fig. S-1-5.

3. While heating the pins using a fine tip soldering

iron or hot air blower, pull up the wire as the solder

melts so as to lift the IC leads from the CBA

contact pads as shown in Fig. S-1-5.

4. Bottom of the flat pack-IC is fixed with glue to the

CBA; when removing entire flat pack-IC, first apply

soldering iron to center of the flat pack-IC and heat

up. Then remove (glue will be melted). (Fig. S-1-6)

5. Release the flat pack-IC from the CBA using

tweezers. (Fig. S-1-6)

Note: When using a soldering iron, care must be

taken to ensure that the flat pack-IC is not

being held by glue. When the flat pack-IC is

removed from the CBA, handle it gently

because it may be damaged if force is applied.

2. Installation

1. Using desoldering braid, remove the solder from

the foil of each pin of the flat pack-IC on the CBA

so you can install a replacement flat pack-IC more

easily.

2. The “●” mark on the flat pack-IC indicates pin 1.

(See Fig. S-1-7.) Be sure this mark matches the 1

on the PCB when positioning for installation. Then

presolder the four corners of the flat pack-IC. (See

Fig. S-1-8.)

3. Solder all pins of the flat pack-IC. Be sure that

none of the pins have solder bridges.

To Solid

Mounting Point

Soldering Iron

Iron Wire

Hot Air Blower

Fig. S-1-5

Fine Tip

Soldering Iron

CBA

Flat Pack-IC

Tweezers

Fig. S-1-6

Example :

Pin 1 of the Flat Pack-IC

is indicated by a " " mark.

Fig. S-1-7

Presolder

CBA

Flat Pack-IC

Fig. S-1-8

TEL 13942296513 QQ 376315150 892498299

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Specifications2 pages

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Denon DVD-757 Specifications

Audio Specifications

frequency response (DVD)	4 Hz - 22 kHz (48kHz sampling), 4 Hz - 44 kHz (96kHz sampling), 4 Hz - 88 kHz (192kHz sampling)
frequency response (CD)	4 Hz - 20 kHz
frequency response (Super Audio CD)	4 Hz - 100 kHz
signal-to-noise ratio	115 dB
dynamic range (DVD)	100 dB
dynamic range (CD)	98 dB
total harmonic distortion	0.004% at 1 kHz CD

Video Specifications

signal system	NTSC
composite video output	1.0 Vp-p (with 75 ohms load)
S-Video output (Y)	1.0 Vp-p (with 75 ohms load)
S-Video output (C)	0.286 Vp-p
component video output (Y)	1.0 Vp-p (with 75 ohms load)
component video output (Pb/Cb)	0.648 Vp-p (with 75 ohms load)
component video output (Pr/Cr)	0.648 Vp-p (with 75 ohms load)