Block Diagram - Kenwood KDS-100 Service Manual

CN5
1
AMP ELE-VOL
IC15
NJM2904M
AMP
IC17
M62364FP
AMP
15
IC21
NJM2904M
1
+
–
2
1
+
–
2
27
KDS-100
DSP
CODEC
IC20 IC23
TMS320VC5402PGE
AK4550VT
IC14
NJM2904M
COUNTER
IC19
TC74VHC4040FT
LCD ASSY
KDS-100

BLOCK DIAGRAM

SRAM
FLASH ROM
IC13 IC12
MBM29LV800B90 W24100S-70LE
DATA BUS
TRANSCEIVER
IC10
TC74LVX4245FS
ADRESS BUS
BUFFER
IC11,37,38
TC74LVX244FT
INVERTER
IC16
TC7W04F
OUTPUT
EXPANDER
IC4
TC74HC4094AF
BUFFER
IC39
TC7S08FU
RTC
IC2
IC1
ADM691AR RTC-4574SA
CH SW
IC40
TC7W66FV
INVERTER
IC7
TC7W04F
KEY SCAN
IC25 IC24
BU4094BCFV BU2099FV
KEY
5V
CHANNEL SELECTOR 1
IC5
BU4053BCFV
8
1
RS-232C DRIVER
8
IC3 1
ADM3202ARV
3
1
4
1
BUS BUFFER
4
1
IC8,9
TC74HCT244AF
12
1
10
1
5