2.4. USB In
Check Power Supply Voltages for USB IC.
MAIN PCB
[IC110] : +1.2V
[IC141] : +1.8V
[IC162] : +3.3V
Check Digital Audio Data from USB.
MAIN PCB
[IC101] : See Waveforms.
OK
OK
Check the soldering, replace each device or MAIN PCB.
[IC304] : IN:+3.3V / OUT:+1.2V
[IC303] : IN:+3.3V / OUT:+1.8V
[Q310] : IN:+3.3V / OUT:+3.3V
Check the soldering or replace the MAIN PCB.
NG
NG
to 2.1. COMMON(signal)
2.5. Blutooth In
Check Power Supply Voltages for BT Module.
FRONT PCB
[FPC502] : 7pin +3.3V
[IC501] : 7pin +3.3V
[IC501] : 36pin +1.8V
Check Digital Audio Data from BT IC.
BT PCB
[IC501] : 30pin SPDIF_OUT
OK
OK
Check the soldering or replace each device.
[Q311] : 5 or 6pin +3.3V on MAIN PCB
[IC502] : 5pin + 1.8V on FRONT PCB
Check the soldering, replace each device or FRONT
PCB.
[FPC502] on BT PCB
NG
NG
to 2.1. COMMON(signal)
2.6. Optical / Coaxial In
Check S/PDIF signal to DIR
MAIN PCB
[IC204] : 4pin Optical 1
[IC204] : 6pin Optical 2
[IC204] : 37pin Coaxial
OK
Check the soldering or replace each device.
[JK801] on MAIN PCB.
[JK800] on MAIN PCB.
[JK802] on MAIN PCB.
[JK806] on MAIN PCB.
NG
to 2.1. COMMON(signal)
38
Содержание PMA-50
Страница 8: ...Personal notes 8...
Страница 28: ...4 Enter the user name company name and Click Next 5 Click Next 6 Click Finish 28...
Страница 41: ...fig 7 DIR SYS ucom communication waveform W0IC214 140pin DIR_CE W1R362 DIR_CL W2R364 DIR_DI W3R363 DIR_DO 41...
Страница 42: ...Personal notes 42...
Страница 71: ...PCM9211 IC204 PCM9211 Block Diagram 71...
Страница 72: ...PCM9211 Pin Discriptions 72...
Страница 80: ...BT_Module MDX 5XR IC501 Pin Map Top View Block Diagram 80...