Media Vision Pro AudioSpectrum
The Media Vision Pro AudioSpectrum line of sound cards are a whole other animal than most other non-Sound Blaster card opting to be their own thing rather than a clone.
Known Issues
Visually Identified Failures
Cause
- Capacitors CT16 & CT17 leaking
- Failed capacitors causing corrosion on other parts
-
-
-
Solution
Original Parts
MVIPASM SCSI Card
FCC ID: IXW-MVIPASM, Rev F,
Capacitor Specifications and Footprint Information
| RefDes
|
Qty
|
Capacitance
|
Voltage
|
Mount
|
Diameter/Size
|
Height
|
Pin Pitch
|
Temp
|
Type
|
Brand
|
Series
|
| CT16, CT17
|
2
|
1000uF
|
16V
|
Through Hole
|
10mm
|
16mm
|
5mm
|
105C
|
Aluminum Electrolytic
|
Nichicon
|
VZ
|
| CT2, CT18
|
2
|
100uF
|
16V
|
Through Hole
|
6.5mm
|
11mm
|
2.5mm
|
85C
|
Aluminum Electrolytic
|
Nichicon
|
VX
|
Active Components
| RefDes
|
Qty
|
Part Number/Model Number
|
Package
|
Manufacturer (If Applicable)
|
Explanation
|
Datasheet
|
|
|
1
|
LMC1982CIN
|
DIP-28
|
National Semiconductor
|
|
|
| U3
|
1
|
Z0538010VSC
|
|
Zilog
|
|
|
| U4
|
1
|
YMF262-M
|
|
Yamaha
|
|
|
| U6
|
1
|
74HC244WM
|
SOIC-20
|
National Semiconductor
|
Octal 3-State Buffer
|
74HC244
|
| U7
|
1
|
LMC835N
|
DIP-28
|
National Semiconductor
|
|
|
| U8, U29, ?
|
3
|
LF347M
|
SOIC-16
|
National Semiconductor
|
Wide Bandwidth Quad JFET input OpAmps
|
LF347
|
| U9, U13, ?
|
3
|
74HC4316D
|
SOIC-16
|
Philips
|
Quad SPST Analog Switch
|
74HC4316
|
| U18
|
1
|
DAC0800LCM
|
SOIC-16
|
National Semiconductor
|
8-Bit DAC
|
DAC0800
|
| U21
|
1
|
LM319D
|
SOIC-14
|
Signetics
|
High Speed Dual Comparator
|
LMx19
|
| U27
|
1
|
TI9144
|
DIP-8
|
|
|
|
| U28
|
1
|
LM3080M
|
SOIC-8
|
National Semiconductor
|
|
|
| U30, U80
|
2
|
LM358M
|
SOIC-8
|
National Semiconductor
|
Low-Power Dual OpAmp
|
LMx58-N
|
| U31
|
1
|
NE558D
|
SOIC-16
|
Signetics
|
|
|
| U33, U34
|
2
|
74HCT157M
|
SOIC-16
|
National Semiconductor
|
High-Speed CMOS Quad 2-Input Multiplexers
|
CD74HCT157
|
| U37. U38
|
2
|
GAL16V8-25LVC
|
|
National Semiconductor
|
|
|
| U39, U40
|
2
|
74LS374D
|
SOIC-20
|
Signetics
|
Octal D-Type Edge-Triggered Flip-Flops
|
SN74LS374
|
| U41, U43, U44
|
3
|
74LS74AM
|
SOIC-14
|
National Semiconductor
|
Dual D-Type Positive-Edge Triggered Flip-Flops
|
74LS74A
|
| U42
|
1
|
74HCT00M
|
SOIC-14
|
National Semiconductor
|
Quad 2-Input NAND Gate
|
CDx4HC00
|
| U45
|
1
|
74LS32M
|
SOIC-14
|
National Semiconductor
|
Quad 2-Input Positive-OR Gate
|
SN74LS32
|
| U46
|
1
|
74LS125AM
|
SOIC-14
|
National Semiconductor
|
Quad Bus Buffer w/ 3-State Output
|
SN74LS125A
|
| VR2
|
1
|
LM340T5
|
TO-220
|
National Semiconductor
|
1.5A Positive 5V Regulator
|
LM7805
|
| VR3
|
1
|
LM7905CT
|
TO-220
|
National Semiconductor
|
1.5A Negative 5V Regulator
|
LM79
|
| UR1
|
1
|
LM337LM
|
SOIC-8
|
National Semiconductor
|
100 mA Negative Adjustable Regulator
|
LM337L
|
| U11
|
1
|
MF6CWM-50
|
|
National Semiconductor
|
|
|
Replacement Parts
MVIPASM SCSI Card
Capacitors
| RefDes
|
Qty
|
Compatible Part Number
|
Order Links
|
| CT16,CT17
|
2
|
UVY1E102MPD / 16YXJ1000MFFC10X16
|
DigiKey
|
🔎
|
Mouser
|
LCSC
|
| CT2, CT18
|
2
|
UKT1E101MED(1TD) / 16PX100MEFC5X11
|
DigiKey
|
🔎
|
Mouser
|
LCSC
|
Active Components
| RefDes
|
Qty
|
Compatible Part Number
|
Order Links
|
| U6
|
1
|
MM74HC244WM / MM74HC244WMX
|
DigiKey Mouser LCSC
|
| U8, U29, ?
|
3
|
LF347M/NOPB / LF347MX/NOPB
|
DigiKey Mouser LCSC
|
| U9, U13, ?
|
3
|
74HC4316D,653
|
DigiKey Mouser LCSC
|
| U18
|
1
|
DAC0800LCM/NOPB
|
DigiKey Mouser LCSC
|
| U21
|
1
|
LM319DT
|
DigiKey Mouser LCSC
|
| U30, U80
|
2
|
LM358M/NOPB
|
DigiKey Mouser LCSC
|
| U33, U34
|
2
|
CD74HCT157M96 / 74HCT157D,653
|
DigiKey Mouser LCSC
|
| U39, U40
|
2
|
SN74LS374DWR / SN74LS374NSR
|
DigiKey Mouser LCSC
|
| U41, U43, U44
|
3
|
SN74LS74ADR
|
DigiKey Mouser LCSC
|
| U42
|
1
|
CD74HCT00M96 / SN74HCT00DR
|
DigiKey Mouser LCSC
|
| U45
|
1
|
SN74LS32NSR / SN74LS32DR
|
DigiKey Mouser LCSC
|
| U46
|
1
|
SN74LS125AD / SN74LS125ADR / SN74LS125ANSR
|
DigiKey Mouser LCSC
|
| VR2
|
1
|
AS7805AT-E1 / L7805CV-DG
|
DigiKey Mouser LCSC
|
| VR3
|
1
|
MC7905CTG / L7905CV-DG
|
DigiKey Mouser LCSC
|
| UR1
|
1
|
LM337LM/NOPB / LM337LMX/NOPB
|
DigiKey Mouser LCSC
|
Related Links
References
