Block Diagram - Pioneer MVH-280FD Service Manual

FM/AM ANT
JA851
WIRED REMOTE JA1201
TUN 3.3 V
IC851
Lithio
(TEF6686HN)
TUNL TUNR
X-8086 TUNSCL,TUNSDA
X401 9.216 MHz
VDD 3.3 V
CP_SW 3.3 V
LSAR523UB
CPPWR
IC701
CP_SCL,CP_SDA
iPod CP
3 37S3959
CPPW,CPRST
RL/SW RR/SW FL FR
Power Connector
JA101
IC1301 POWER AMP
TAS5414CTPHDQ1
VDD 3.3 V
IC751
E.VOL JASPER
SYS+B 5.75
PM9013A
IC601
S S YSTEM
R5S726A0D216FP
Memory: 64 Kbyte
16.93 MHz
12 MHz
USBCTL
3 5
USB 5 V
CN1201
CN1931
SOURCE
Display System
IC1801
PD6583A8
USB 5 V
L C D
CAW2056
USB
AUX
15A
P1203
CEK1357
CEK1404
19 V
3A
STBY
GND RCA GND
SYS+B5.78
MUTE
MUTE
RCA MUTE
IC681
VDD 3.3 V
S-Quad Flash
(SYS u-com software)
VDD 3.3 V
VDD 3.3 V
VDD 1.2 V
A.SENS ACC
VDD1.2
BSENS
ECO TELIN
TELIN
VD 6.0 V
EN
SYNC
VDSENS
MUTE
SWVDD 5 V
DIM PW_SCL,PW_SDA
ILMPW
SYS+B5.78
VDD 3.3 V
RESET
IC671
S-80827CNMC-B8M TUN 3.3 V
B.Up
USB 5 V
DIMMR CTL ILM
ILM+B
Q851 2SAR502UB Q873 2SCR514PZGE
BSENS
DIM_PWM
ILMPW
SWVDD 5 V ILM+B
ILM+B
ILMCLR1
ILMCLR2
SWVDD
key matrix
JA1202
L R L R
F R/SW
A
TUNER AMP UNIT
MUTE
DC/DC CONVERTER
B.Up
IC301
AP3603
19 V
SYSPW
IC201 IC201 BD49101AEFS BD49101AEFS
SYNC/USBCTL
367.347/439.024 kHz
ECO
EN
VDD 3.3 V
B.Up
DDC2
VDD1.2
REG1
VD 6.0 V
B.Up
DDC1
SWVDD 5 V
B.Up
REG5
SYS 5.78 V
B.Up
REG2
TUN 3.3 V
REG3
USB 5 V
REG4
B.REM Hiside SW B.Up
B.Up
BSENS
B
KEYBOARD UNIT
Digital Line
Communication Line
I2C Communication line
I2S communication line
Audio Line
Control line