UBZ-LJ8
SCHEMATIC DIAGRAM
26
A
B
C
D
E
1
2
3
4
5
6
7
3R
3C
3T
3MS
3MS
3M
3M
3M
Q210
DT
A123JE
Q211
DTA123JE
Q212
DT
A123JE
3
GND
2
VIN
1
VOUT
C233
1u
C234
1u
C235
1u
C236
47u4
C237
470p
R234
220k
R235
47k
C239
0.01u
Q213
DTC114EE
R238
180
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
R239
390k
R240
270k
C240
470p
1
A0
2
A1
3
A2
4
VSS
5
SDA
6
SCL
7
WP
8
VCC
R247
3.9k
R248
1k
R249
1k
R250
1k
R251
1k
C243
15p
C244
15p
R253
100
R256
4.7k
C251
0.1u
R261
680k
R262
39k
C252
0.01u
C253
2200p
C254
1u
R263
150k
R264 33k
C255
1u
R265
33k
C261
120p
C263
1800p
R266
270k
R267
8.2k
R269
3.9k
R270
0
C264
8200p
C265
0.1u
R275
33k
Q215
DT
A123JE
C279
1u
C286
0.1u
C258
1u
C259
1u
R296
2.2k
C247
120p
R300
1k
R301
1k
R302
1k
R303
10k
R304
10k
R305
10k
R306
10k
R307
10k
R308
1k
R310
47k
R311
47k
R312
47k
R290
0
R314
4.7k
C300
470p
C301
470p
C302
470p
3.633MHz
C305
1u
C306
470p
IC206
BD4730G
1
NC
2
VEE1
3
VEE2
4
OUT
5
VCC
IC202
BD4724G
1
NC
2
VEE1
3
VEE2
4
OUT
5
VCC
C307
1u
COMM_CLK
COMM_DATA
PLL_CS
AKM_DIR
PLL_UNLOCK
C_3C
C_3R
C_3T
C_3MS
DOWN_KEY
CTCSS_OUT
BEEP
MIC_MUT
CTCSS_IN
UP_KEY
S0
S1
S2
S3
S4
S5
S6
S7
S8
S9
S10
S11
S12
S13
S14
S15
COM0
COM1
COM2
MODE_KEY
PTT
POWER
B
USY
RSSI
WRITE
REM
VO
X
PTT
PO
WER
WRITE
DO
WN_KEY
MODE_KEY
UP_KEY
COMM_CLK
AKM_DIR
BTL_IN
SP_AMP
SP_MUT
FLASH
BTL_OUT
S6
S7
S0
S8
S9
S1
S2
S3
S11
S10
S4
S5
S15
S14
S13
S12
COM2
COM1
COM0
C_3MS
C_3T
C_3R
C_3C
COMM_D
A
T
A
REM(TxD)
RxD
TX-RX UNIT :CONTROL SECTION (X57-6672-70) (A/2)
POWER
PTT
UP
DOWN MODE
3T SWITCH
3C SWITCH
3R SWITCH
3MS SWITCH
LAMP LED SWITCH
VOLTAGE DETECTION
AVR
BASEBAND IC
LAMP LED
VOLTAGE DETECTION
IC207
TK71530ASCL
IC208
M38C24M6502HP
MPU
SAVE
CLK
DAT
AKDIR
PLLE
UL
UP
DOWN
QTOUT
BEEP
MICM
BATTL
GND
VREF
BATT
QTIN
B
USY
RSSI
REM
VO
X
TUNE
OSCO
FLASH (GND)
RESET
SPM
SP AMP
GND
Xin
Xout
Vcc
MJDET
BTLC
ESDA
ESCL
PWR
RxD
TxD
PTT
MODE
NC
COM2
COM1
COM0
NC
S15
S14
S13
S12
S11
S10
S9
S8
S7
S6
S5
S4
S3
S2
S1
S0
LAMP
3MC
3TC
3RC
X201
L77-1928-05
or
L77-1929-05
IC210
CAT24WC01JI18
or
AT24C01A10SI18
EEPROM
SCLK
DIR
XOUT
XIN
VDD
EXPOUT
RXAFIN
RXAF
RXLPFo
RXINo
RXIN
TEST
AGNDIN
AGND
TXIN
TXINo
LIMLV
EXTLIMIN
MOD
VSS
TCLK
TDATA
D_IO
RDF_FC
IC209
AK2346
C238
0.01u
D205
B30-2143-05
C246
470p
C245
1u
S200
S70-0434-05
1.01V
1.01V
1.304V
1.304V
RX:0.145V
TX:0.846V
TX:1.636V
RX:2.863V
RX:0.096V
TX:0.845V
RX:1.165V
RX:2.869V
RX:1.695V
RX:1.7V
RX:2.863V
RX:2.87V
RX:0.118V
RX:0.286V
RX:1.798V
TX:1.815V
RX:0.774V
TX:0.787V
RX:0.755V
TX:0.752V
RX:2.248V
TX:2.246V
RX:1.794V
TX:1.798V
RX:0.765V
TX:0.765V
RX:0.835V
TX:0.861V
RX:1.508V
TX:1.513V
RX:1.889V
TX:1.889V
RX:2.826V
TX:2.826V
RX:2.056V
TX:2.059V
RX:2.731V
TX:2.732V
1.533V
2.735V
RX:1.847V
TX:1.85V
RX:0.057V
RX:1.17V
RX:0.642V
0.478V
1.087V
1.041V
2.902V
1.451V
SP.ON :0.004V
SP.OFF :0.003V
INT.ON :6.58V
INT.OFF:0.004V
EXT. :5.77V
SP.ON :2.858V
SP.OFF :2.858V
INT.ON :0.025V
INT.OFF:2.858V
EXT. :0.007V
SP.ON :2.964V
SP.OFF :2.963V
INT.ON :0.018V
INT.OFF:2.964V
EXT. :0.019V
SP.ON :3.647V
SP.OFF :0.014V
INT.ON :3.647V
INT.OFF:3.647V
EXT. :3.633V
SP.ON :4.5V
SP.OFF :4.5V
INT.ON :4.5V
INT.OFF:4.5V
EXT. :4.49V
SP.ON :2.944V
SP.OFF :0.004V
INT.ON :2.945V
INT.OFF:2.944V
EXT. :2.946V
4.5V
1.451V
1.461V
1.437V
1.437V
1.451V
1.451V
RX:0.121V
TX:1.711V
RX:2.816V
TX:0.058V
RX:0.715V
RX:2.809V
RX:2.809V
RX:0V
RX:0V
TX:2.468V
TX:2.468V
RX:2.83V
RX:2.83V
TX:2.83V
TX:2.83V
RX:2.872V
RX:2.872V
TX:0.621V
TX:0.621V
RX:2.944V
RX:2.944V
TX:0.082V
TX:0.082V
RX:2.89V
RX:2.89V
TX:2.893V
TX:2.893V
RX:0.071V
RX:0.071V
TX:0.082V
TX:0.082V
RX:0.073V
RX:0.073V
TX:2.948V
TX:2.948V
RX:0.072V
RX:0.072V
TX:0.083V
TX:0.083V
2.95V
2.95V
LAMP
LAMP ON:0.079V
ON:0.079V
LAMP
LAMP OFF:3.025V
OFF:3.025V
LAMP
LAMP ON:2.229V
ON:2.229V
LAMP OFF:4.5V
LAMP OFF:4.5V
LAMP ON:4.49V
LAMP ON:4.49V
LAMP OFF:4.5V
LAMP OFF:4.5V
2.893V
2.893V
2.927V
2.927V
TX:2.465V
TX:4.47V
TX:1.367V
TX:2.491V
TX:0.62V
TX:1.118V
TX:0.819V
TX:2.47V
RX:1.926V
RX:1.591V
RX:2.485V
RX:0.929V
TX:4.47V
RX:2.869V
X57-667 1/4