JBL MS-8, Service Manual

Page: 24 / 110

1 2 3 4 5 6
A
B
C
D
6 5 4 3 2 1
D
C
B
A
I2S_OUT[3:0]
I2S_IN[3:0]
USB
DSP
Sheets 2, 3
SDRAM,
Flash Memory
Sheet 5
REGULATORS
Sheet 7
MICROCONTROLLER
Sheet 6
ADC
Sheet 8
Sheet 9
DAC
Sheet 10
MIC IN
AUDIO IN
Sheets 12,13
AUDIO OUT
Sheets 15,16
I/O CONNECTORS
Sheet 17
AUDIO POWER AMP 2
Sheet 18
DSP DEBUG
Sheet 4
LOUT[3:0]
ROUT[3:0]
J
T
AG
R
S
232
I2C 2
MicL_analog,MicR_anal og
LIN[4:2]
RIN[4:2]
ED[31:0]
EA[21:2]
AUDIO POWER AMP 1
Sheet 18
I2C 1
To Display &RF Receiver ToLaptop From Aux Src
LIN1
RIN1
iAUDL,
iAUDR
MUX
ADCx4
From Binaural Microphone
Line-levelInputs
Speaker-levelInputs
Speaker-levelOutputs
Line-levelOutputs
TDA3681J LINEAR REG
VCAR
5V_ON
5V 8P5V
SWITCHING REG
1P2V
3P3V
FUSE, FILTER
BATT
Always On.
To Autosense,
and
Microcontroller
SWITCH
5V_DISP
To Display(LCD, uC, RFReceiver)
AUX PRE-AMP
Sheet 11
AUDIOAUTOSENSE
Sheet 14
L[4:1]+
R[4:1]+
L[4:1]-
R[4:1]-
NOTE: Unless otherwise specifed all non-polarized capacitors are
ceramic, 0603 package, 50V (or higher), and 10% tolerance. Unless
otherwise specified, all resistors are 0603 package, 5% tolerance
PROPRIETARY INFORMATION - THESE
DOCUMENTS AND THE INFORMATION
CONTAINED THEREIN ARE PROPRIETARY
AND ARE NOT TO BE REPRODUCED
OR DISCLOSED TO OTHERS FOR
From Car Battery
To Power
Amp To DSP I/O,
SDRAM and
Flash TO ADC,
DAC,
Audio
I/O To
DSP
Core
DW GNO:
PART NO:
PART NAME:
PRODUCT MODE:
SCALE: 1:1
UNIT: MM
SIZE:
REV:
DRAWN BY:
CHECKED BY:
APPROVED BY:
DATA:
DATA:
DATA:
DESCRIPTON DATA APPROVED
DESCRIPTON REV REV
Place
Place
DATA
Block Diagram
MS-8 MAINBOARD
T4
ChengHao 2010.04.03
Sheet 1 of 3
B
AK5358AET
C8051F347
TMS320DA610B-GDP
MT48LC2M32B2
S29AL016M90TFI01
AK4359VF
TDA7563B
MS-8
23