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IC BLOCK DIAGRAM & DESCRIPTION
IC801 TA2109F (SERVO AMP)
SBAD
13
FEO
14
FEN
15
VRO
16
RFRP
17
RFIS
18
RFGO
19
RFGC
20
AGCI
21
RFO
22
GND
23
RFN
24
TEO
12
TEN
11
2 VRO
10
TEB
9
SEL
8
LDO
7
MDI
6
TNI
5
TPI
4
FPI
3
FNI
2
Vcc
1
3 STATE
DET.
PEAK
I - I
I - I
SW1
ON
OFF
OFF
SEL
L
HiZ
H
LDC
SW2
OFF
ON
ON
SW3
OFF
ON
ON
BOTTOM
IC203 HT1622-64QFP
IC501 TA8227P (POWER AMP.)
IC101 TA2104BN(TUNING SYSTEM)
IC401 TC9422F (LATCH)
RF
GND
FM
RF OUT
FM
RF IN
RF
Vcc
AM
LOW
CUT
MIX
OUT
FM
OSC
AM
RF IN
AM
OSC
ST
LED
OSC
OUT
Vcc
AM
IF IN
FM
IF IN
GND
IF
REQ
OET
OUT
LPF1
LPF2
AGC
QUAD R-OUT
L-OUT
24
21
20
19
18
17
16
15
14
13
22
23
1
4
5
6
7
8
9
10
11
12
3
2
AM
OSC
FM
OSC
AM
MIX
AM
OSC
AM
DET
FM
DET
FM
MIX
AGC
BUFF
FMRF
BUFF
ST
ST
SW
IF
BUFF
AF
BUFF
FMIF
AMIF
AF
IF
REQ
ST/MO
FM/AM
MJTE
VCO
DIVIDE
DECODE
7
OSCI
1
CS
3
RD
4
WR
17 COM0
25 COM7
26 SEG0
64 SEG31
9
VLCD
10 IRQ
5
DATA
8
VDD
6
VSS
11
BZ
13
BZ
Tone Frequency
Generator
Control
and
Timing
Circuit
Watchdog Timer
and
Time Base Generator
Display RAM
LCD Driver/
Bias Circuit
GND
2
1
V
DD
28
3
4
5
6
7
8
9
10
11
12
13
14
15
16
27
26
25
24
23
22
21
20
19
18
17
Vref
CK
DATA
STB
32BIT SR
CAPACITOR FOR
OSCILLATION
GAIN CONTROL
0, 6, 12, 18dB
INPUT
SELECTOR
CAPACITOR FOR
OSCILLATION
GAIN CONTROL
0, 6, 12, 18dB
INPUT
SELECTOR
L-IN1
L-IN2
L-IN3
L-IN4
L-SW-OUT
L-VR-IN
L-B1
L-B2
L-B3
L-Tone-OUT
L-T1
R-IN1
R-IN2
R-IN3
R-IN4
R-SW-OUT
R-VR-IN
R-B1
R-B2
R-B3
R-Tone-OUT
R-T1
Summary of Contents for DTA-150
Page 14: ... 15 14 SCHEMATIC DIAGRAM CD This is a basic schematic diagram ...
Page 15: ... 17 16 WIRING DIAGRAM MAIN A SIDE This is a basic wiring diagram ...
Page 16: ... 19 18 WIRING DIAGRAM MAIN B SIDE This is a basic wiring diagram ...
Page 17: ... 20 WIRING DIAGRAM TUNER This is a basic wiring diagram ...
