35
TK-790/
(
B
)
/H
(
B
)
SEMICONDUCTOR DATA
Power Amplifier : M68702H (Final Unit IC1)
TK-790/(B) K type
: M68702L (Final Unit IC1)
TK-790(B) K2 type
• Equivalent circuit
1 : Input
2 : 1st stage power supply
3 : Final stage power supply
4 : Output
5 : Fin (Earth)
F.B.
2
1
5
4
3
Final Amplifier : 2SC2782 (Final Unit Q6, Q7)
TK-790H(B)
• Absolute maximum ratings
Tc= 25
°
C unless otherwise noted
Symbol
Parameter
Conditiona
Rating
V
CBO
Collector-base voltage
36V
V
EBO
Emitter-base voltage
4V
V
CEO
Collector-emitter voltage
R
BE
=
∞
16V
Ic
Collector current
20A
Pc
Collector dissipation
220W
Tj
Junction temperature
175
°
C
Tstg
Storage temperature
–65 to 175
°
C
Flash ROM : AT29C020-90TI (Control Unit IC519)
• Terminal description
Pin Name
Function
A0~A17
Addresses
CE
Chip enable
OE
Output enable
WE
Write enable
I/O0~I/O7
Data inputs/outputs
NC
No connect
OE, CE, AND WE
LOGIC
Y DECODER
X DECODER
DATA LATCH
INPUT/OUTPUT
BUFFERS
OPTIONAL BOOT
BLOCK (8K BYTES)
MAIN MEMORY
(240K BYTES)
OPTIONAL BOOT
BLOCK (8K BYTES)
Y-GATING
OE
WE
CE
Address
input
Vcc
GND
Data inputs/outputs
I/O0~I/O7
• Block diagram
Содержание FleetSync TK-790
Страница 77: ...TK 790 B H B TK 790 B H B 77 WIRING ...
Страница 93: ...TK 790 B H B TK 790 B H B BLOCK DIAGRAM 117 ...