Samsung MM-16 Service Manual page 42

Block Diagrams
Pin No.
Name
41 PN3
42 PN2
43 PN1
44 PN0/BEEP
45 PM3
46 PM2
47 PM1
48 PM0
49 PL3
50 PL2
51 PL1
52 PL0
53 PK3
54 PK2
55 PK1/INT1
56 PK0/INT0
57 PJ3
58 PJ2
59 PJ1
60 PJ0
61 PI1/ADI5
62 PI0/ADI4
63 PH3/ADI3
64 PH2/ADI2
65 PH1/ADI1
66 PH0/ADI0
67 HOLD
68 SNS
69 LCTR
70 HCTR
71 EO3
72 SUBPD
73 Vdd
74 AMIN
75 FMIN
76 Vss
77 EO1
78 EO2
79 TEST1
80 Xout
9-10
I/O Functions
O
POWER CONTROL
O AUDIO MUTE
O TUNER MUTE
O
I/O
I/O
I
OPTION INPUT
I
OPTION INPUT
I OPTION INPUT
O
OPTION INPUT
O
OPTION INPUT
O
OPTION INPUT
I/O
TUNING IND (SD)
I/O
STEREO IND
I/O
I REMOCON
O
SRS
O
SW
O
MW
O
FM
I
I KEY DATA
I
KEY DATA
I
KEY DATA
I
KEY DATA
I
KEY DATA
I POWER OFF SENSE
I VOLTAGE SENSE
I
I
FM AM IF INPUT
O
O
-
I AM INPUT
I
FM INPUT
-
O
TUNER VOLTAGE CONTROL
O
TUNER VOLTAGE CONTROL
- -
O OSC 4.5MHZ
Descriptions
PORT for TUNER FUNCTION
MUTE for AUDIO
MUTE for TUNER FUNCTION
PORT for OPTION DATA
PORT for OPTION DATA
PORT for OPTION DATA
PORT for OPTION DATA
PORT for OPTION DATA
PORT for OPTION DATA
TUNING INDICATER ON/OFF
STEREO INDICATER ON/OFF
REMOCON SIGNAL INPUT
A/D INPUT (8 KEY)
A/D INPUT (8 KEY)
A/D INPUT (8 KEY)
A/D INPUT (8 KEY)
A/D INPUT (8 KEY)
FM & AM IF FREQUENCY INPUT PORT
AM OSC INPUT
FM OSC INPUT
FM TUNING VOLTAGE
AM TUNING VOLTAGE
OSC for SYSTEM CLOCK
Samsung Electronics