Roadstar HIF-5803MP, Service Manual

Page: 20 / 53

19
IC BLOCK DIAGRAM
TM
AX
PDO P2Vref VSS SBOK SBSY DOUT COFS/OT22:
Decoder Reset
SPCK/OT20
: EV-UP
SPDA/OT21
:Mute Output
/HSO/OT1
9
:EV-DOWN
TESTC
:
IN1
:Funct In/Out Select
P2-3
:EQB
P2-2
:PLL-CE
P2-1
:PLL-CLK
P2-0
:PLL-DATA
P4
-3
/SCK/SCL
:I2C Clk
P4
-2
/Sin
1/
SDA
:I2C Data
VDD
P4-1/Sin2 :I2C Request
P4-0/ADin4/BUZR : PU Select
P3-2/ADin2 :KeyAD2
P3-3/ADin3 : Tuner Select
P3-1/ADin1 :KeyAD1
P3-0/DCref : EQA
P1-3 : Funct B
P1-2 : Funct A
P1-1 :CDRW/ST
P1-0 :Power Out
MVSS
MVDD
S16/P8-1 :AOUT
S17/P8-2 :DoorInSW
S14/OT18 :LRCKout
S12/OT16
S10/OT14
S8/OT12
S6/OT10
S3/OT7
S18/P8-3 :InnerSW
S15/P8-0 :BCKout
S11/OT15
S13/OT17
S9/OT13
S7/OT11
S5/OT9
S4/OT8
LCD output
S2/OT6
S1/OT5
DVS
R
RO
DVR
R
DVDD
LO
DVRL
DVSL
CD_SYNC
NC/VPP
Power Detect:
/HOLD
/RST
Remote:
INT
R
75KHz
X
T
AL:
M
XO
75KHz
X
T
AL:
MX
I
MV
SS
M
VDD
COM1
/OT1
COM2
/OT2
COM3
/OT3
COM4
/OT4
LPFN
LPFO
VCOF
AVSS
SLCO
RFI
AVDD
RFCT
RFZI
RFRP
FEI
TEZI
TRO
FOO
RFGC
Vref
FMO
TEBC
2Vref
DMO
VDD
SEL
XI
XO
XVDD
\VSS
XVSS
TEI
SBAD
PVref
R
eset
input
Hol
d i
nput
Int
errupt
input
M
C
U Power suppl
y
MCU Oscillato
r
C
D i
nput
/out
put
port
DAC inpu
t
I/
O port
MCU
Power suppl
y
TC94A09F
(QFP100pin)
Top View
85 90 95
45 40 35 31 50
75
70
65
60
55
51
80
81
20
25
30
1
15
10
5
100
LC
D/
LED dri
ver,I/
O,C
D out
put
port
(LC
D:
4*18=M
ax.72 segm
ent
)
(LED:
M
ax.18 segm
ent
)
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