Pioneer KRP-500P Service Manual page 27

5
AC_DET
POWER SUPPLY
M_SW_DET
UNIT
AUDIO ASSY
SP_ALM
SPEAKER
OUT
DC DETECT
(discrete)
JA8551
From/To
UART SW
TXD_MD
(IC7201)
RXD_MD
NAND
IC4005
TC74VHC00FTS1
Bus Buffer
OE
IC4001-4004
RA_O[0:9]/GA_O[0:9]/BA_O[0:9]
TC74VCX16244FT x4
RB_O[0:9]/GB_O[0:9]/BB_O[0:9]
HD_O/VD_O/DE_O/CLK_O
5
6
To MAIN CPU
A_NG_B
OR
SD_AB OTW
SD_CD
D-class
R+
Amplifier
R-
L-
IC8401
L+
TAS5122DCA
REQ_MD
TXD_MD
Module
RXD_MD
ucom
MODE
OR
ARIA_OE
ZEUS
DIGITAL ASSY
KRP-500P
6
7
To/From MAIN CPU
SDA_AV
SCL_AV
RST_5504
AC_A_MUTE
From MAIN CPU
PDN
Processor
with VOL CTL
PWM(L/R)
RESET_AB
RESET_CD
Analog Audio signal
Digital Video signal
Digital Audio signal
Synchronized signal
Data signal
Control signal
7
8
PWM
IC8341
TAS5504APAG
13.5MHz
X'TAL
X8341
ASS1222
VALID
8
A
B
C
D
E
F
27