Samsung MAX-810, Service Manual

Page: 55 / 72

9-4 µ-COM : UIC1
No.
Port Name I/O Function
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
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
P5 2
MUTE
P2 0
1
2
3
4
5
6
7
TEST
RESET
XT1
XT2
Vss
CF1
CF2
Vdd
P8 0
1
2
3
4
5
6
7
P7 0
1
2
3
S 0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Vdvp
Vp
S 16
S 17
H-OUT
MUTE
CE21
POWER
MUTE
DO1
CLK1
DIO1
CE
KEY1
KEY2
KEY3
MIC SE
KEY4
SD
EQ IN
EQ IN
PO SENS
CD SENS
SCOR
REMO
REC
EMPHA
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
G12
S1
S2
+5.6V
-30V
S3
S4
O
O
I
O
O
O
O
O
I
O
O
I
I
O
I
I
O
I
I
I
I
I
I
I
I
I
I
I
I
I
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
O
TAPE HIGH DUB-OUT(“L” OPEN COLLECTOR)
MUTE
V-CD MUTE
M65846 CE1
POWER CONTROL
TAPE REC MUTE(“L” OPEN COLLECTOR)
TDA7439,LC72131,M65846
TDA7439,LC72131,M65846
LC72131 DATA INPUT
LC72131(PLL)CE
TEST PIN
RESET PORT
SUB OSC(CLOCK ; 32.768kHz)
SUB OSC(CLOCK ; 32.768kHz)
GROUND
MAIN OSC INPUT(12MHZ)
MAIN OSC OUTPUT(12MHZ)
MAIN POWER INPUT PORT(5V)
A/D KEY INPUT1
A/D KEY INPUT2
TAPE KEY OPTION
MIC SENSE
VOLUME UP
TUNET SD
LEVEL A
LEVEL B
POWER SENS
CD TRAY SENS
SCOR INTERRUPT
REMOCON INPUT
TAPE REC B+
EMPHA(V-CD) or SW1
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
GRID CONTROL PORT OF FLT
CONTROL MODE POWER INPUT PORT OF FLT(5V)
GRID CONTROL MODE POWER INPUT PORT OF FLT(5V)
SEGMENT CONTROL PORT OF FLT
SEGMENT CONTROL PORT OF FLT
Samsung Electronics 9-9
Block Diagrams