Control Block - Pioneer SC-09TX Service Manual

5

4.8 CONTROL BLOCK

QQ
3 7 63 1515 0
Hierarchy Chart of the Microcomputer
*Analog Video Units
=Composite
S.Video
Component
Q
1st
DSP
2nd
DSP
3rd
DSP
3.3V
DAC
S
TE DIR
L 13942296513
E-Vol
O
H I
*Analog
Video
V-Sw
Units
HDMI
Rx
HDMI
AE
www
.
5
http://www.xiaoyu163.com
AE
AC
232C
Det.
IC6201
(IR 232C)
BC
P Ice Fan
AC CTRL
RF
Rewriting
Demod
232C
Amp.
Mute.
IC101
U
(MAIN
O
Amp.
DIGITAL)
Sel.
Audio
(DSP)
A-
IC8001
U-com
Mute
Flash
ROM
IC102
A B
A-Sw
G H
V-
Mute
*Analog
3.3V
AE
Video
Units
HDMI
IC804
(Video)
(HDMI)
U-com
HDMI
Fan
CTRL
Tx
I/P
Rewriting
AE
VC
232C
AC
The main circuit block
Microcomputer
which is controlled by
serial communication
x ao
y
The main circuit block
Principal
i
which is controlled by
memories
other communication
http://www.xiaoyu163.com
6
8
AF AM AL
K
CEC KEY &
Remote
HP/Mic.
Det.
AC
5V(STBY)
EVENT
U-com
LED
(Main)
(Other)
12V
AF
OL Det.
AM
AD
AMP Module
IC6301
Amp
Amp.
Err.
CTRL
Det.
Sp.
RY.
AC
V
RY.
System
(Main)
Q Q
3 6 7 1 3
U-com 3.3V(STBY)
EEP
12V
ROM
Trig.
AD
IC8002
(MOTHER 1)
Rewriting
V
232C
AC
IC1006
(HDMI)
AE
HOST
(iLink)
IC1004
U-com
Flash
Rewriting
ROM
3.3V
iLink
AE
232C communication
Rewriting
line for microcomputer
232C
rewriting
u163
.
SC-09TX
6
7
2 9 9 4 2 8
AC
Rewriting
232C
SR+
LCD
LED
control
AG
AL
AC
Display
3.3V
U-com
BC
Flash
ROM
IC6391
(IR 232C)
SMPS
AC
1 5 Info. 0 5 8 2 9 9 4
IC7001
(NEW ITEM)
N
New
3.3V
Item
EEP
U-com
ROM
IC7002
SIRIUS
iPod
232C
DLNA
USB
AC
T
m
co
Interruption block Switch
related to power ON
7
8
9 9
A
B
AK
X
IC2016
Zone2
(COMPOSITE)
OSD
IC2017
Zone3
OSD
AE
IC705
Main
(HDMI)
OSD
Font
C
ROM IC704
Wallpaper
IC717
U-com AE
(HDMI)
Wallpaper
ROM
2 8 9 9
IC710
TUNER
(KU)
D
XM
O
(KU)
N
(KU)
M N
E
Hard serial
Soft serial
Other controls
F
31
8