- 11 -
IC BLOCK DIAGRAM & DESCRIPTION
IC201 LA1186N ( FM Front End)
IC211 LA1844ML ( Tuner System)
FM
IF
FM
DET
LEVEL
DET
S-CURVE
AM/FM
IF
BUFF
REG
GND
COMP
TUNING
DRIVE
AM
IF
AM
DET
VCC
AGC
PILOT
CANCEL
PILOT
DET
DECODER
ANTI-BIRDIE
STEREO
SW
FF
38k
FF
19k
∠
VCO
304kHz
AM
RF.AMP
AM
MIX
AM
OSC
ALC
BUFF
P-DET
φ
FF
19k
∠
2
π
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
IC601 LC72336-9921 ( Micro Processor)
PIN NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
36
37
38
39
32~35
40~55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
I/O
I
I
I
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
I
I
I
O
O
O
O
I/O
I/O
I
I
-
I
I
O
O
O
O
O
O
O
I
I
O
O
O
O
I
I
I
I
I
I
I
I
-
O
O
-
O
O
-
O
FUNCTION
Connection terminal of crystal oscillation (4.5MHz)
GND.
CD MECA Communcation Line
DSP,ASP Control
RWC Output
CD DSP RESET Output
BASS BOOST Control Output
TRNSISTOR/DIODE SW SOURCE Input
TRNSISTOR/DIODE SW SOURCE Input
WRQ Input
DRF Input(H-DL CHATTERING TIME 50MS)
JOG VR Input(CHATTERING TIME 3MS)
Phase Input
PICK-INSIDE Input
REMOCON Input
BAND Output
AUDIO MUTE Output
Compalsion MONO Output
FUNCTION Input/Output(CHATTERING TIME 40MS)
STEREO Input(CHATTERING TIME 40MS)
SYNC REC Input(CHATTERING TIME 40MS)
Power supply
SD Input
Display SEGMENT Output
VOL IC Control Output
Operating KEY Input
Destination Input
BASS-X LID SW Input(CHATTERING TIME 40MS)
BACK UP MODE Control Outpu
Power supply
Ground
Ground
Connection terminal of crystal oscillation (4.5MHz)
NAME
CD IDATA
CD ODATA
CD CLOCK
RWC
CD RESET
Non Connection
Non Connection
Non Connection
Non Connection
BASS BOOST
Non Connection
Non Connection
KEY IN
KEY IN
WRQ
DRF
JOG VR2
JOG VR1
PICK-INSIDE
REMOCON Input
B2
B1
MUTE
MONO
F1
F2
STIN
SYNC REC
POWER
SD
Non Connection
SEGMENT Output
SEGMENT Output
SEGMENT Output
SEGMENT Output
Non Connection
VOL CE
VOL DATA
VOL CLOCK
AD KEY:AD0
AD KEY:AD1
AD KEY:AD2
AD KEY:AD3
HOLD
FMIF
AMIF
Non Connection
POWER
Non Connection
MICOM NAME
XIN
TEST2
PG3(S10)
PG2(SO0)
PG1(SCLK0)
PG0
PC3
PC2
PC1
PC0
PB3
PB2
PB1
PB0
PA3
PA2
PA1
PA0
PK3
PK2
PK1
PK0(INT0)
PN3
PN2
PN1
PN0
PM3
PM2
PM1
PM0
VDD
PE3
PE2
PE1(S18)
PE0(S17)
S21~S24
S1~S16
COM3
COM2
COM1
Vdd2
Vdd1
PJ3
PJ2
PJ1
PJ0
AD0
AD1
AD2
AD3
HOLD
RCTR
LCTR
SNS
VDD
FMOSC
AMOSC
VSS
EO1
EO2
TEST1
XOUT
Содержание DC-DA70
Страница 15: ... 15 14 SCHEMATIC DIAGRAM TUNER AU This is a basic schematic diagram ...
Страница 16: ... 19 18 SCHEMATIC DIAGRAM TUNER PA This is a basic schematic diagram ...
Страница 17: ... 23 22 SCHEMATIC DIAGRAM AMP AU This is a basic schematic diagram ...
Страница 18: ... 27 26 SCHEMATIC DIAGRAM AMP PA This is a basic schematic diagram ...
Страница 19: ... 31 30 SCHEMATIC DIAGRAM FRONT This is a basic schematic diagram ...
Страница 28: ... 17 16 WIRING DIAGRAM TUNER AU ...
Страница 29: ... 21 20 WIRING DIAGRAM TUNER PA ...
Страница 30: ... 25 24 WIRING DIAGRAM AMP AU ...
Страница 31: ... 29 28 WIRING DIAGRAM AMP PA ...
