Samsung MM-16 Service Manual page 35

9-3 IC & TR Internal Diagrams
9-3-1 Main
KA22291 : JIC1
PBOUT(2)
Vcc
Vcc
REC GND
PB OUT(1)
LC75823E : UIC2
Samsung Electronics
PB
NF(2) PR IN(2)
23 22 21
100K
N.F
24
PRE
INPUT
REC.BIAS
RECORD
16
LREF
PB.BIAS
MODE CONTROL
PLAYBACK
17
/BIAS CIRCUIT
LREF
9
INPUT
1
PRE
NF
100K
2 3 4
PU PB IN(1)
NF(1)
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
S 1 1
S 2 2
S 3 3
S 4 4
S 5 5
S 6 6
S 7 7
S 8 8
S 9 9
S 10 10
S 11 11
S 12 12
S 13 13
S 14 14
S 15 15
S 16 16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
R/P MUTE MUTE
(IN2) ALC RECOUT(2)
SW SW
8 20 19 18 15
5 7 6 10
A/B PB GND MUTE REC
SW IN(1) OUT(1)
100K
N.F
14 REC NF(2)
PRE
INPUT
13 REC IN(2)
ALC
DET
12
REC IN(1)
INPUT
PRE
REC IN(1)
11
N.F
100K
48 S 48
47 S 47
46 S 46
45 S 45
44 S 44
43 S 43
42 S 42
41 S 41
40 S 40
39 S 39
38 S 38
37 S 37
36 S 36
35 S 35
34 S 34
33 S 33
Block Diagrams
9-3