Denon DRA-100 Service Manual

Check Digital Audio Data output of ADSP (DSD-PCM convert)
[IC1401].
MAIN PCB
Case of DSD signal
[IC1401] : 55pin ADSP_LRCK
[IC1401] : 54pin ADSP_BCK
[IC1401] : 48pin ADSP_MCK
[IC1401] : 42pin ADSP_DATA
Pass the case of a PCM signal.
Check Digital Audio Data output of DSD/PCM Selector [IC1402].
MAIN PCB
[IC1402] : 4pin I2S_LRCK
[IC1402] : 7pin I2S_BCK
[IC1402] : 9pin I2S_MCLK
[IC1402] : 12pin I2S_DATA
Check Digital Audio Data Input for DIR [IC1451].
MAIN PCB
[IC1451] : 29pin I2S_LRCK
[IC1451] : 30pin I2S_BCK
[IC1451] : 31pin I2S_MCLK
[IC1451] : 28pin I2S_DATA
Check the soldering or replace the device.
[CN1301] : 30pin NET/USB_BCK ➡ [R1351] ➡ [R1361] ➡ [R1426]
➡ [IC1401］ : 36pin (DSD_BCK)
[CN1301] : 34pin NET/USB_PCM_DATA/DSDL ➡ [R1353] ➡
[R1363] ➡ [R1437] ➡ [IC1401］ : 57pin (DSD_DATA_L)
[CN1301] : 32pin NET/USB_DSDR ➡ [R1352] ➡ [R1427] ➡
[IC1401］ : 38pin (NET/USB_DSDR)
Check the soldering or replace the device.
Case of PCM signal
[IC1402] : 1pin SELECT "Hi" / 15pin ST "Lo"
[CN1301] : 30pin NET/USB_BCK ➡ [R1351] ➡ [R1365] ➡ [IC1402]
: 6pin (PCM_BCK)
[CN1301] : 34pin NET/USB_PCM_DATA/DSDL ➡ [R1353] ➡
[R1366] ➡ [IC1402] : 13pin (PCM_DATA)
[CN1301] : 28pin NET/USB_LRCK ➡ [R1350] ➡ [IC1402] : 3pin
[CN1301] : 26pin NET/USB_MCK ➡ [R1349] ➡ [IC1402] : 10pin
Case of DSD signal
[IC1402] : 1pin SELECT "Lo" / 15pin ST "Lo"
[IC1402] : 2pin (ADSP_LRCK)
[IC1402] : 5pin (ADSP_BCK)
[IC1402] : 11pin (ADSP_MCK)
[IC1402] : 14pin (ADSP_DATA)
Check the soldering or replace the device.
[R1466]
[R1467]
[R1465]
[R1472]
OK
OK
OK
NG
NG
NG
2.1. To COMMON
36

Denon DRA-100 Specifications

General

Internet radio	Yes
Supported radio bands	-
Impedance	8 Ω
RMS rated power	70 W
Product color	Silver
Headphone connectivity	6.3 mm
AUX in	No
Audio (L/R) out	1
AC outlets quantity	1 AC outlet(s)
Power consumption (typical)	60 W

Weight and Dimensions

Depth	332 mm
Width	280 mm
Height	160 mm
Weight	4800 g
Dimensions (WxDxH)	280 x 332 x 160 mm