HCD-DR4/DR5/DR6/DR440/W300/W5000/XB500
– 101 –
– 102 –
IC191 BA7615N
• PANEL FL section
IC603 BA3830F
• PANEL VR section
IC851 M65850P
7-37. IC BLOCK DIAGRAMS
• MAIN (1/2) section
IC181 MC14052BF
2
1
3
4
6
5
9
10
CTLC
VOUT
7
8
MUTE
LOGIC
CTLC
IN3
VCC
IN4
IN1
CTLA
CTLB
IN2
75Ω
8db
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2X0
X2
VDD
X1
XCOM
X0
X3
A
B
VSS
VEE
INH
2X1
2X3
2XCOM
2X2
OSCILLATOR
1/2 VCC
AUTO
RESET
LPF1
MAIN
CONTROL
A/D
20KBIT
SRAM
LPF2
D/A
1
2 3
4
5 6 7
891014 13 12 11
CLOCK
RESET
MO
MI
D1
DO0
DO1
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
13
DATA
CLK
STB
CLR
VDD
P1
P2
P3
P4
P5
P6
P7
P8
P9
P10
P11
P12
P15
GND
GND
18
6
SO
P16
10
12
11
P13
P14
14
15
16
24
17
19
20
21
22
23
1
2
3
4
5
7
8
9
CONTROL
LATCH
SHIFT REGISTER
2
3
14
1
f04
13
f05
12
f06
11
REC
LEVEL
10
VCC
15
f03
5
REC
NF
6
REC
IN
7
RESET
C
8
BIAS
C
9
GND1
4
16
f02
17
f01
18
RESET
R02
P01
LINE
NF
LINE
IN
REFFERENCE
CURRENT
BPF
DET
BPF
DET
BPF
DET
BPF
DET
DET
RESET
Bias
REFFERENCE
CURRENT
DET
DET
BPF
BPF
IC604 NJU3716L
7-38. IC PIN FUNCTIONS
• IC501 MAIN CONTROL (M306622 MA-A01FP)
Pin No.
Pin Name
I/O Function
1 POWER O Power amp ON/OFF signal output
2 POWER O Power ON/OFF signal output
3 F-RELAY O Front speaker relay control output
4 REAR-RELAY O Rear speaker relay control output (Not used)
5 CD-POWER O CD power on signal output
6 LINE-MUTE O Line mute signal output
7 DBFB-H/L O DBFB H/L select signal output
8 – – Connected to ground
9 – – Connected to ground
10 XC-IN I
11 XC-OUT O
12 RESET I System reset signal input
13 X-OUT O X’tal (16MHz) (MAIN SYSTEM CLOCK)
14 VSS – Ground
15 X-IN I X’tal (16MHz) (MAIN SYSTEM CLOCK)
16 VDD – Power supply (+5V)
17 NMI I Not used
18 WAKE UP I WAKE UP signal input
19 SCOR I CD Q-data request signal input
20 RDS-INT I RDS data interrupt input
21 RDS-DATA I RDS data interrupt input
22 AC-CUT I AC cut ON (L)/OFF (H) check
23 PL-CLK O Clock output to pro-logic (Not used)
24 PL-DATA O Data output to pro-logic (Not used)
25 PL-LAT O Latch signal output to pro-logic (Not used)
26 TIMER LED O Not used
27 PROTECT I Speaker protect signal input
28 V MUTE O Video mute signal output
29 IIC-CLK O I
2
C SCL
30 IIC-DATA O I
2
C SDA
31 – – Not used
32 SQ-DATA I Subcode Q data clock input (CD data)
33 SQ-CLK I Subcode Q data clock input (CD data clock)
34 SW-MODE O SW-MODE music/movie select signal output
35 CD-DATA O CD data output
36 H/P IN I Head phone detect
37 CD-CLK O CD clock output
38 493-LAT O Latch signal output for IC101 (M62493FP)
39 CLOCK-OUT O Clock out signal check
40 NO-USE – Not used
41 NO-USE – Not used
42 FL OFF O Fluorescent indicator tube filament on/off signal output
43 STBY RELAY O Main POWER on/off signal output
44 BASS FREQ O FREQ high/low signal output (Not used)
45 FUNC SEL 1 O Function select signal output
46 FUNC SEL 0 O Function select signal output
47 493-DATA O Data signal output for IC101 (M62493FP)
48 493-CLK O Clock signal output for IC101 (M62493FP)
49 ST-MUTE O Tuner mute signal output
X’tal (32.768 KHz) (SUB CLOCK)
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