Power Diagram - Denon DRA-100 Service Manual

POWER DIAGRAM

SMPS
POWER SEQUENCE
1. CSR : 12V/5V25/3V3/1V8 > -5V > 5V > A3V3/R3V3 > PRV (+/-32V) > (CTR_PWR2 > CTR_CSR > CTR_PWR1)
2. OLED POWER ON : 3V3 > 16V (CTR_3V3_OLED > CTR_16V_OLED)
3. OLED POWER OFF : 16V > 3V3 (CTR_16v_OLED > CTR_3V3_OLED)
4. DSP POWER ON : 1V2 > 3V3 (CTR-1V2_DSP > CTR_3V3_DSP)
5. FPGA POWER ON : 3V3 > 1V2 / 2V5 (CTR_3V3_DSP > CTR_FPGA)
6. CY920 POWER ON : 3V3 > 2V5 > 1V8 > 1V2
(CTR_3V3_CY920>CTR_2V5_CY920>CTR_1V8_CY920>CTR_1V2_CY920)
7. CY920 POWER OFF : 1V2 > 1V8 > 2V5 > 3V3
(CTR_1V2_CY920>CTR_1V8_CY920>CTR_2V5_CY920>CTR_3V3_CY920)
DRA-100 POWER Diagram
+32V
-32V
TPS562200
+12V
5V25
+18V
+9V
-9V
+5V
AP7361
3V3
AP7361
1V8
LP5900SD
3V3
NJM2387ADL3
10V
*10V Gate drive voltage referenced to -32V
AP7361
3V3
TPS2065
5V
AP7361
3V3
AP7361
2V5
AP7361
1V2
TPS562200
3V3
TPS562200
1V8
42
+V Bridge
-V Bridge
-V Bridge
CSRA6601 CORE
CSRA6601
CSRA6601 CORE
CSRA6601
CSRA6601
CSRA6601
CSRA6601
CSRA6600
10V Gate Drive
OLED
OP-AMP/RELAY/NJM2752
NJM78L05UA
CSRA6600
5V
OP-AMP
NJM79L05UA
CSRA6600
-5V
MUTE
CPU/EEPROM/POWER LED
TOUCH SENSOR/WHITE LED
OLED
BD11600
USB5V
PCM9211/NJM2752
PCM9211/74VHCU04
ADSP21477/TC74VHC157FT
EP4CE15F17C8N/EPCQ16SI8N
EP4CE15F17C8N
ADSP21477
EP4CE15F17C8N
CY-920/MFI337S3959/MX25L25635FMI
AP7361
CY-920
2V5
CY-920
AP7361
CY-920
1V2