– 94 –
•
IC601
µ
PD78078GF-062-3BA (MASTER CONTROL) (MAIN BOARD (1/3))
RTS (TO MD. CTS)
MASTER BUSY
RXD (TO MD. TXD)
RXD
TXD (TO MD. RXD)
TXD
CTS (TO MD. RTS)
MECHA BUSY
1 to 3
VER
I
Destination setting terminal
4
VER
I
Destination setting terminal
Not used (open)
5 to 7
(NC)
—
Not used
8
—
—
Not used (open)
9
IC
—
Connecting to ground
10
X2
O
Main system clock output terminal (5 MHz)
11
X1
I
Main system clock input terminal (5 MHz)
12
VDD
—
Power supply terminal (+5V)
13
XT2
O
Sub system clock output terminal (32 kHz)
14
XT1
I
Sub system clock input terminal (32 kHz)
15
RESET
I
System reset signal input from the reset signal generator (IC602)
16
AU-BUS IN
I
AU-BUS signal input terminal
17
AU-BUS OUT
O
AU-BUS signal output terminal
18
ENC/A
I
Encorder volume signal A input from the master volume (S901)
19
ENC/B
I
Encoder volume signal B input from the master volume (S901)
20
RDS/CLK
I
RDS clock signal input from the RDS demodulator (IC1500)
21
RDS/DATA
I
RDS data signal input from the RDS demodulator (IC1500)
22
SCOR (BD)
I
Sub-code sync S0, S1 detect signal input from the digital signal processor (IC103)
23
AVDD
—
Power supply terminal (+5V) (for A/D converter)
24
AVREF0
—
Reference voltage input terminal (+5V) (for A/D converter)
25
KEY0
I
Key input terminal (A/D input) POWER key (S902) input
26
KEY 1
I
27
KEY 2
I
28 to 30
—
—
Not used
31
O
Master-busy signal output to the MD system control (IC316)
32
MD-POWER
O
MD power on/off signal output to the MD power regulator (IC570)
33
AVSS
—
Ground terminal (for A/D converter)
34
POWER ON
I
System power on signal input terminal
35
MD OEM/REST
O
MD reset signal output terminal
36
AVREF1
I
Reference voltage input terminal (+5V) (for A/D converter)
37
I
MD control data signal input from the MD system control (IC316)
38
O
MD control data signal output to the MD system control (IC316)
39
MD-CLK
O
MD control data clock signal output to the MD system control (IC316)
40
VSS
—
Ground terminal
41
I
Mecha-busy signal input from the MD system control (IC316)
42
FL/DRIV DATA
O
Display data signal output to the fluorescent indicator drive (IC901)
43
FL/DRIV CLOCK
O
Display data clock signal output to the fluorescent indicator drive (IC901)
44
FL/DRIV CS
O
Display clear signal output to the fluorescent indicator drive (IC901) “L”: data output
45
FL/DRIVE RESET
O
Display reset signal output to the fluorescent indicator drive (IC901) “L”: reset
46
BD SUBQ
I
Sub-code Q data signal input from the CXD2507AQ (IC103)
47
(NC)
—
Not used (open)
Pin No.
Pin Name
I/O
Function
Key input terminal (A/D input)
p
(CD),
^
(CD),
§
(CD),
p
(MD),
^
(MD),
§
(MD) keys
(S903 to S908) input
Key input terminal (A/D input) FUNCTION,
)
+
+, TUNER/BAND,
=
0
–,
r
REC, CD-MD SYNC, REPEAT STEREO/MONO, PLAY MODE TUNING MODE
(S909 to S916) input
Содержание HCD-MD333 - Hi Fi Cd/minidisc Component
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Страница 48: ...HCD MD333 65 66 7 16 SCHEMATIC DIAGRAM PANEL SECTION Page 55 Page 70 ...
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Страница 54: ...HCD MD333 77 78 7 24 SCHEMATIC DIAGRAM POWER AMP SECTION Page 57 Page 70 Page 75 ...
