Pioneer VSX-453 Service Manual page 40

8. IC INFORMATION
@ The information shown in the list is basic information
and may not correspond exactly to that shown in the
schematic diagrams.
HEPDG115A(IC801) Digital delay
@Block diagram
@Pin Function
Pin name
Function
PES/INT3
MR. RMC
Remote control unit signal input from sub-
room
PE4/RMC
RMC
Remote control unit signal input
PES
VSXVSA
VSX/VSA, VSP select (L/H)
pat [75] sMMSUAR
'wipe [24] PARANE
HELLA
FEET
a ae Lie
54
PES
SR. OUT
Tor output from Remote control signal
PE7/TO
MUTE
MUTE
PBO/CINT
STBI
CE {LAgTeS, LV1010, LV1020) output for}
SURROUND IC
PB1/CSO
STB2
STROBE output for function IC
PB2/SCKO
CLK
CLOCK output
PB3/SIO
T.CE
PLL IC (LLM7001) CE
/PB4/SO0
DATA
DATA output
PB5/SCK1
T. STEREO
TUNER STEREO ON/OFF
PBe/SH
T. STOP
TUNED input
PB7/SO1
NC
NC
PCO/KRO.
KINY
KEY scan input 1
PC1/KRi
K.IN2
KEY scan input 2
PC2/KR2
K.INS
KEY scan input 3
PC3/KR3-
KING
KEY scan input 4
PC4/KR4
AC RY
AC relay output
POS/KRS
MONO:
FM MONO,
PC6/KR6
VOL. DOWN
VOLUME DOWN