Block Diagram - Kenwood TKR-850 Service Manual

Display unit
X54-333 (B/2)
MIC JACK
SB
SB
Display unit
X54-333 (A/2)
SB
VR501
CLK,SOE,STB1
SI
Shift Reg.1
IC503
BU4094BCFV
Q512~514
SW
UPA627T
S501 S502 S503 S504
PF1~5

BLOCK DIAGRAM

PTT/TXD
D603
HK/RXD
VLI
CN601
CN501
Q501
2SC4116(Y)
IC501 Q502
NJM4558E 2SA1586(Y,GR)
AMP ATT
DET
D501/502
HSM88AS
CLK,SOE,STB1 CLK,SOE,STB1
SO SI SO
Shift Reg.2
IC504
BU4094BCFV BU4094BCFV
Q516~519
SW
UPA627T
S505
KEY1~5
D506
VR601
AF VOL
5C
SB
IC506
TA78L05F
5V
5V
AVR
IC507
TA78L05F
5V
5V
AVR
CLK,SOE,STB1
SI SO
Shift Reg.3 Shift Reg.4
IC505 IC502
BU4094BCFV
DTA114EUA x 5
Q509
Q521~524
SW Q506
Q508
UPA627T
SW
SW
D503 D504
TX BUSY
D507
CALL
TKR-850
CN605
INT SP
CN604
TEST/SPKR
CN603
CN502
VLI
MIC
PTT/TXD
HK/RXD
KEY1~5
CLK,SOE,STB1
PSW
CN600
DAT
Q510
Q511
SW
D505
S507
Power source
Main DC
SW
Back UP
TX-RX unit (CONTROL) X57
SP
SPI
SPO
DAT,CLK,SOE
RSSI
RD
Shift Reg.
IC623
A01~5
BU4094BCF
D626
MINISMDE190
DET
RD
MIC
SW
MIS
TA SW
SB
TAS
SOE,STB1
CLK,DAT
KEY1~5,VLI
TXD1,RXD1,PTT
PSW
TXD0/RXD0
IO1~6
X600
14.754M
Q600
SW
2SK1824
SFT
Q601
DTC114EUA
BUP INV
Q602
2SK1824
TEMP INV
IC600
AT2408N10S12.5
EEPROM
SCL
SDA
L
83