MEX-BT38UW/BT3800U/BT3807U/BT3850U
MEX-BT38UW/BT3800U/BT3807U/BT3850U
21
21
SECTION 4
DIAGRAMS
4-1. BLOCK DIAGRAM - AUDIO Section (1/2) -
x
SIGNAL PATH
: USB
: CD PLAY
: AUDIO
: Bluetooth
: MIC
x
R-ch is omitted due to same as L-ch.
CN902
CN501
D400
2
3
CD MECHANISM
DECK
(MG-101Z-188//Q)
SENSOR
BOARD
SERVO BOARD
BT BOARD
(PATTERN ANTENNA)
MIC801
AU_LCH
RXD (MC-BUS)
CD_ON
CDM_ON
VBUS_ON
60 MC_TX
84 CD_ON
85 CDM_ON
75 VBUS_ON
TXD (MC-BUS)
D- (USB)
D+ (USB)
XSYS_RST
BT_ON
SYS_RST
SYS_RST
BU_CHECK
BU_CHECK
AU_ATT
AU_RCH
R-CH
BT_AUDIO_L
BT_AUDIO_R
R-CH
Z_MUTE
EJECT_OK
WAKE_UP
62 Z_MUTE
70 EJECT_OK
43 WAKE_UP
D801
D802
D472
D502
5
3
7
F_WRITE
(NC)
NCO
TX
4
RX
1
RESET
RESET
SWITCH
Q598
INVERTER
Q599
MUTING
CONTROL
Q493
2
CLK
INVERTER
Q597
BT_MUTE
MUTING
CONTROL
Q490
AUDIO
+8.5V
MIC
+3.3V
MIC B+
MIC_IN-
MIC AMP
Q824, 825
GAIN
CONTROL
Q862
B+ SWITCH
Q820 - 822
J801
MIC IN
BT_TEST1
BT_TEST2
BT_MFUNC
BT_FF
BT_FR
BT_PLAY
BT_CVC
BT_INT-HF
BT_STATUS0
BT_STATUS1
BT_MUTE
BT_OPRPOW
BT_POW_ON
BT_RESET
BT_STATUS2
BT_STATUS3
BT-L
ATT
CD-L
MUTING
CONTROL
Q470, 471
+
SWITCH
Q823