1-24
RC-BZ5LB/BZ5RD
RC-BZ6BU
TA2068N (IC301) : Rec/PB. amplifier
1. Terminal layout
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
AGC
PBO1
PBNF1
REC1
PBIN1
VREF
VSS
PBIN2
REC2
PBNF2
PBO2
MICNF
RAIN1
MICSEL
CDIN1
P/R
OUT1
VCC
OUT2
SEL
CDIN2
TAPE
RAIN2
MICIN
2. Block diagram
13
12
6
7
19
8
10
11
14
16
15
17
21
23
24
2
3
5
22
–
46.5
+
+
46.5
–
–
19.5
+
NAB AMP1
MIC AMP1
BUF. AMP A1
BUF. AMP A1
BUF. AMP A2
MUTE
RADIO
LINE
TAPE
TAPE
TAPE
ON
18
9
4
20
1
+
–
ALC1
DET
ALC2
7
26
ON
2
REC AMP1
BUF. AMP B1
BUF. AMP B2
REC AMP2
MONITOR AMP
MUTE
MONITOR AMP 1
7
26
ON
MUTE
L O G I C
TAPE
LINE
RADIO
NAB AMP2
REF. AMP
2.1V
+
–
www.freeservicemanuals.info
11/28/2017
Digitized in Heiloo Netherlands