Sanyo DC-C30 Service Manual page 23

IC BLOCK DIAGRAM & DESCRIPTION
IC601 LC866548A ~Micro Processor)
Function
No.
Narna
Uo
Function
Input JogDial !32'
Segl
o FL Segment ou@uf
Input JcgDial
53
0
FL .%gmentoutput
Serial clock output for TwVol_Func IC
54 0 FL Segmentouput
Serial date output for Tu/Vol_Func/extendIC
!5 o FL Segmentou@ut
Serial clock output for extend ICI (DECK)
56
w
o FL SegmentoI@uf
Serial clock output for extend IC2(LED)
57 0 FL Segmentoutput
Serial clock output for
extend IC3(LED)
56 seg7
o
FL segment o@nrt
Serial latch output
for Vol_Func IC
S3
o
FL Segment oulput
Serial latch output for Tuner IC
m
o
FL segment output
Serial date output for Tuner IC
61 SegIo o FL segment output
Watchdog
timer input
G?
Segll
o
FL Segmentoutput
Reset terminal
63 sag12 o FL Segmentourput
Sub ckk connection terminal
64
sag13
o
FL segment output
ISub clock connection terminal
f% sag14
o
FL Segmentou@ut
Ground
56 SEL_RVS_A
, Tape Mechanism select
Main clock connection terminal (6MHz)
(Reverse=High, Normal =Low)
Main clock connection terminal (6MHz)
67 SEL_POW_RY I Power relay select (ON = high)
68
Power supply (+5V)
SEL_12_24 I Timer display (24h=High 12h=Low)
@
Key
input
MM_lN I Multimedia input input (ON = High)
Key input
70 V_CHK
1 Power suspension detection
Power suspension = Low
Key input 71 C2F I C2Flag (DSP)
SW input SW2(EXTRA) SW3(HOME) n VDD Power supply (+5V)
SW input SW4(C_N0.) SW5(C_N0.)
73
G_REVS
, Failure record switch (Tape B side)
SW input SW7(Fwd) SW8(Revs)
SW input SW6(Open) Pick Limit switch
74 G_FWD
1 F~~~L~wmrd switch (Tape A side)
LEVEL input
75 B_PACK I Tape set detection(B side) switch (ON=LOW)
CD DSP interface (sub Q Request)
76 B_PALY I Play(B side) switch (ON=LOW)
Set protector (lrregulacLow)
77 A_PACK I Tape set detaction(A side) switch (ON=LOW)
Remote control input
78 A_PWY I Play(A side) switch (ON=LOW)
FL Segment output
79 A_REEL
I Reel turn signal(A side)
FL Segment output
e) B_REEL I Reel turn signal(B side)
FL Segment output
81
POW_RY
o
Power relay control output (ON= High)
FL Segment output
m P_CON o Power control signal (Power on=high)
FL digfi OIJtpUf
63 SP_RY
o
speaker relay control outQut
FL digt
OlltfXlt
84
PRE_MUTE
o
PRE MUTE output (Mute on = High)
FL digt
OUtpllt
%
MAIN_MUTE
o
Main mute output (Mute on=High)
FL digit
Ollt@lt
86
PULL_UP
o
pull-up power output (ON=LOW)
FL digit
Oll@Jf
87
DSP_RESET o Reset signal to DSP (CD)
FL digit
OU@Jt
m
CLK_SHIFT'
o Main clock shift
FL digit
OU@lt
83 Vss
Ground
FL digif
OU@lt
93
VDD
Power supply (+5V)
FL digit
OIJ@ti
91 CARRIAGE+ o CARRIAGE-MOTOR control output+
FL digit
O@Wt
92
CARRIAGE-
0
CARRIAGE-MOTOR control output-
FL digi
O@XJt
93
DRAWER+
o
DRAWER control output+
FL digit
OU@lt
94
DRAWER-
0
DRAWER control output-
Power supply (+5V)
% COIN
o
CD_DSP interface (command data output)
FL Segment output
98 SQUT I CD_DSP interface (SubCl data input)
FL Segment output 97 CQCK
o
CD_DSP intertace (clock)
FL Segmentoutput
98
VD_GND o GND mntrol output for micon power check
FL Segmentoutput S9 DRF I DRF signal input
FL drive output power Ial
Rwc o CD_DSP interface (command latch)
R&%--l%
#
4 D_OUT O
5 EXl_CLK O
6
EX2_CLK O
7 D3_cLK o
3=+
8
VF_CE O
9 TU_CE O
10
TU_Dl I
11 WD
E
12
RESET
13 X-rl
14 XT2
15
Vss
16 CF1
L
3=
17 CF2
18 VDD
19 KEYO
2?3
KEYI
21 KEY2
22 CD_SWO I
23 CD.SW1 I
24 CD_SW2
I
25 CD_SW3 I
1231
LEVEL I
H=
27
WRQ
% PROTECTOR
23 IR
xl seg15
I
T
-r
T
1311 .%916 10
.
H=
32
seg17
33
Se918
34 Digit12
35
Digitll 1
m
31
Digit7
o
431
Digit3
o
R 44 Digit2
o
45
Digitl
o
46
VDD
47 SWJ19 o
48 %%20 o
1491
Se@
]0
L
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