Kenwood NXR-1800 Service Manual page 21

[+B] 13.2V
(W3000)
9.0V AVR
(IC3022)
[PLD_FAN] [PLD_FAN] H:2.0V
L:0.8V
8.8V DC/DC 7.5V AVR
(IC4100) (IC3030)
[5V_TX_EN]
[CNT12V]
DC SW
(IC4010)
[DISPLAY_ON]
[MAIN_SHDN]
(F4000)
[DISPLAY_CTRL_ON]
[12V_TO_25P]
DC SW
(Q4005)
RST
(IC4002)
[PW_DOWN_10V]
DC SW
(Q4024)
(RST: 3.3V)
[3.3V]
3.3V,5.0V
DC/DC
[5.0V]
(IC4000)
[PMIC_REGEN1]
[ENABLE_PMIC]
[7.5V]
[5V_2]
5.0V AVR
(IC3029)
DC SW
(Q3062)
[LNA_ON]
[10V]
10V AVR
(IC600)
[3.1V]
3.1V AVR
(IC601)
[POWER_HOLD]
RST
(IC3)
(RST:5.2V)
BINT DET [BINTS]/[BINTF]
(IC300)
(RST:8.2V)
[9V]
9.0V AVR
(IC4001)
[9V_TX]
DC SW
DC SW
(Q4006) (Q4008)
[10V_TX_EN]
[REG_5V]
5.0V AVR
(IC4006)
DC SW
Divide
(Q4013)
& Delay
[5V_RX_EN]
[REG_3.3V]
3.3V AVR
(IC4005)
DC SW
(Q4015)
[5V_RX_EN]
[3.3V_2]
3.3V AVR
(IC2001)
[20V]
20V DC/DC
(IC3011)
(F1)
[V3.3D]
DC SW
(Q3)
DC SW
(Q1)
(F2)
[V3.3D_LAN]
DC SW
(Q2)
[V3_3USB]
[VSDMMC]
[V1_8PHY2]
[V1_8PHY1]
PWR MNG [V1_8PLL/A/B]
(IC1)
[VDD_MPU]
[1.15V_SMPS2]
[1.06V_SMPS3]
[V1_8D]
[VDDS_DDR]
[VDDR_VREF]
DDR3 TERM
AVR
(IC301)
[33A]
3.3V AVR
(IC671)
[18C]
1.8V AVR
(IC672)
[VBUS]
High-side SW
(IC251)
3.1V AVR
(IC5)
Backup BATT
(CN5)
Fig.5 Power supply circuit
FINAL AMP (Q3069)
FAN (CN3005)
DRV AMP (Q3065)
PRE DRV AMP2 (Q3067) / APC BLOCK
PA CTL (IC3027) / TX PLL (IC2000)
PRE DRV AMP (IC3023)
OLED (CN7) / BUS BUFF (IC602)
PWR MNG (IC1)
MPU/DSP (IC33) / FPGA (IC60)
RX 9.0V BLOCK
TX 9.0V BLOCK
RX 5.0V BLOCK
[5V_RX_M]
RX 3.3V BLOCK
[3.3V_RX_M]
RX 3.3V BLOCK /
RX PLL (IC1001) / REF BLOCK
TX PLL (IC2000)
DC AMP (IC3010 / IC902)
MPU/DSP (IC33) / NOR FLASH (IC52)
/ eMMC (IC520) / STATUS LED (D605)
MPU/DSP (IC33) / LAN PHY (IC81)
/ LNA CN (J7)
MPU/DSP (IC33)
DDR3 (IC47 / IC48)
FPGA (IC60) ADC (IC76)
/ BUS SW (IC82 / IC83)
/ BUS SW (IC371 / IC372 / IC373)
/ LED (D601 / D602 / D603 / D4000)
AF AMP (IC74) / ADC (IC76) / V REF (IC80)
/ BUS SW (IC82 / IC83) / RS232C DRV (IC84)
CODEC (IC42 / IC670)
AF AMP (IC75 / IC79 / IC85) / DAC (IC77 / IC78)
USB CN (J9)
RTC (IC4)
(No.RA094<Rev.002>)1-21