2.7 . USB / ETHERNET / Wi-Fi
Check Power Supply Voltages for Network.
Network PCB
•[CN92]:1, 2, 3pin:+5V_SW
Check Power Supply Voltages for USB.
FRONT USB PCB
•[IC60]:5pin +5V
Check Power Supply Voltages for CY920.
Network PCB
•[IC63]:5, 6, 7pin NET3.3V
•[IC64]:5, 6, 7pin NET1.8V
•[IC65]:5, 6, 7pin NET1.2V
•[IC66]:5, 6, 7pin NET2.5V
•[CN66]:61pin US5V
Check Reset signal for ETHERNET PCB (CY920).
Network PCB
•[CN66]:15pin 920_RESET or [WF60]:17pin N_RST
"Hi" level OK?
Check Digital Audio Data for CODEC.
Network PCB
•[CN66]:26pin MCK
•[CN66]:28pin LRCK
•[CN66]:30pin BCK/SCK
•[CN66]:34pin DATA/DSD_L
•[WF60]:22pin E_MCLK
•[WF60]:23pin E_LRCK
•[WF60]:24pin E_SCLK
•[WF60]:25pin E_DATA
OK
OK
OK
OK
OK
Check the solder and replace any faulty parts.
Network PCB
•[CN92]:1, 2, 3pin:+5V_SW
SMPS PCB
•[IC95], [L923]:+5V
•[IC97]:IN 1,2,3pin +5V / OUT 6,7,8pin +5V
Check the solder and replace any faulty parts.
•[IC60]:5pin +5V
•[CN62]:1pin +5V on FRONT USB PCB
•[JK60]
Check the solder and replace any faulty parts.
•[IC63] on Network PCB
•[IC64] on Network PCB
•[IC65] on Network PCB
•[IC66] on Network PCB
•[CN66] on Network PCB
Check the solder and replace any faulty parts.
•[CN66]:19pin
•[WF60]:18pin
Check the solder and replace any faulty parts.
•[CN66]:26, 28, 30, 34pin
•[WF60]:22, 23, 24, 25pin
NG
NG
NG
NG
NG
To 2.1. COMMON(signal)
41
Содержание CEOL RCD-N9
Страница 34: ...Personal notes 34 ...
Страница 45: ...Personal notes 45 ...
Страница 77: ...TC7USB40MU NETWORK IC62 TC7USB40MU Block Diagram 77 ...