Samsung TW14C52S/BWT, Service Manual

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Block Diagrams
Samsung Electronics 9-3
9-3 C15A Audio Block Diagram (Continued)
MICOM#24
ANT
MICOM #23
SDA
SCL
1st
IF
1st Tunning
7 8
IF
PROCESS
2nd Tunning
2nd
IF
1
13
12
IC201
INT
15
55
EXT A
SPK
11
ZK01
ZK02
MICOM53 BG/I L
MICOM54 DK/L
A-0
ZK03
ZK04
S/L (AM)
EXT
IC701
Micom #6
PB H
14
VCR
or
Decoder
A in
A out
14
13
9
10
12
15
PB.H
V/T/H
Micom #6
Micom #7
CN101
Module
DECK
6
10
REC. SOURCE A.(EXT)
PB.A
IF IN
EXT.A
S-L CTL
Micom #60 10
11 7
9
5
C
B
A
Switch
1T.A
1T.A
B/G (FM)
1T. optiom
(AM) S-L
2
C15A OPTION
IC702
8
6
REC. SOURCE A.(TUNER)
Micom Pin Function
PIN NO.
6
7
8
60
53,54
PIN NAME
PB H
V/T/H
AV/TUNER
S-L CTL
:S-L(AM)
: B/G (FM)
:EXT
SDA, SCL
BG/I L
DK/L
FUNCTION
High output : PB audio is monitored. The PB audio is output at scart.
High output : The second tuner audio is output at a scart.
High output : AV audio is recorded. Low output : TUNER audio is recorded.
1.8 ~ 2.6V : In TV FM Mode, connect pin 7 to A and pin 9 to C.
4.1 ~ 4.9V : In TV AM Mode, connect pin 7 to A and pin 9 to A.
6.4 ~ 7.2V : In AV-AM Mode, connect pin 7 to B and pin 9 to A.
More than 7.3V : In AV-FM Mode, connect pin 7 to B and pin 9 to C.
Port
S
AUTO
BG
DK
I
D/K
L
L
H
B/G
L
L
H
L
a
b
c
1
c
2
3
4
H