AIWA UZUS201
Manual de Servicio

UZ-US201

� Waveform � CONTROL Board �
1 IC801 r; (X2)

� IC Block Diagrams � CONTROL Board � IC201 PCM2704DBR
HID2/MD SSPND TEST1 VCOM
19 18 17

HOST

28

27 POWER MANAGER

26 25

24 23 22 SPI INTERFACE

21

20

VCCP

16

15

4 Vp-p

ANALOG PLL FIFO

D/A CONVERTER

119 ns

PLL (X8)

TRACKER (SPACT)

HID ENDPOINT

CONTROL ENDPOINT USB PROTOCOL CONTROLLER

ISO-OUT ENDPOINT

S/PDIF ENCODER USB SIE 5V TO 3.3V VOLTAGE REGULATOR

EEPROM INTERFACE

XCVR

1

2

3

4

5

6

7

89

10

11 12

13

14

ZGND AGNDL AGNDR

CK

� MAIN Board � IC303 PSS3200
TEST CEH DOUT HID0/MS

IC304, 306

M62429P

24

23

22

21

20

19

18

17

16

15

14

13

8 VOL AMP 2 VR1 + �

VCCL VCCR
7

6

5

+ RI

POINT SOURCE PROCESSOR

REF AMP + �

VREF

LOGIC CONTROL

VR2

VOL AMP 1

+ REQ � DT TEST0

+ LO �

+ LI VREF �

RG SBO1

+ CO VDD �

1

GND VCC VOUTL VOUTR

1

2

LG

3

4

5

6

7

8

9

10

11

12

VEE XTO XTI

VCC

SBO0 �

SBO2 LEQ

SBO3

SBO4 REH PSEL

SBO5 HID1/MC

13

13

PHSEL RO DGND

SBO

D�

CPC D+

VOUT1 VOUT2

DATA CLOCK

VIN1 VIN2 PGND VBUS

+ � 2 3 4

+ �

+ �