Kenwood KCH-19, Руководство по обслуживанию

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A
1
2
3
4
5
B C D E F G
(No.RA019<Rev.001>) 2-3
2-3 (No.RA019<Rev.001>)
IC2
BU30TD2WNVX
D15
LED_G
D11
33M
IC8
BD1754HFN
D9
IC3(1/2)
TC7WT125FUF
50M
To Transceiver Main Unit (A/2)
To Transceiver Main Unit (A/2)
D7
D6
LCDRST
54M
/CS
D4
5V
VOLTAGE REGULATOR
/PSW
54M
D16
ADD[23]
54M
50M
LCDBLC
BUSSWC
54M
/TXDEN
/RD
SB(SB_2)
33M
33M
DAT[0]~DAT[15]
TXD
D-
LED1
LED2
LED3
IC4
BD11600NUX
SP
3V
VOLTAGE REGULATOR
BLC
D5
RXD_33V
SPG
HOOK/RXD/D-
/WR
IC9(1/2)
TC7WH126FK
DPDT SW
D+
RJ45 CONNECTOR
SP+
LED_R
S9
D10 D12
IC3(2/2)
TC7WT125FUF
LCD Interface
BLC_4/D+(D+2)
BLC_2(BLC_3)
BLCSW
18M
KEYBLC
LED_B
33M
PTT/TXD(TXD_3)
RXD_50V
/PTT
D14
18M
IC9(2/2)
TC7WH126FK
/KEYINT
I2CCK
I2CDT
LCDRST
IC1
MM3404A50URE
LED
DRIVER
J1
CN2
CN5
CN6
Sub (Display) Unit (XC3-002)
DM/KVL(KVL_3) MIC(MIC_3) ME(ME_3)
D21
LIGHT
SENSOR
IC6
BH1721FVC
33M
CN4
KEYi2(KEYi2_2)
S4 S8
IC10
TC35894FG
S10 KEYi1(KEYi1_2) S6
S1
33M
S3 S7
I/O EXPANDER
S5
S12
S2
KEYo1
KEYi0(KEYi0_2)
KEYo0
KEYi3(KEYi3_2)
KEYo2
/EMG
S11
Q2 (1/2)
SSM6N37FE
Q2(2/2)
SSM6N37FE
Q3
LTC014EEBFS8
Q6
LTC014EEBFS8
Q4
LTC014EEBFS8
To LCD
30LCD
SUB (DISPLAY) UNIT
BLOCK DIAGRAM