10-17
• DISPLAY UNIT
* Refer to the PARTS LIST for the value and name of component.
Explanatory notes
RX Line
TX Line
Voltage Line (8V)
MAIN UNIT
(4/13)
MAIN UNIT
(4/13)
VR-A UNIT
RIT UNIT
VR-B UNIT
PHONE UNIT
MIC UNIT
[MPAD]
[TONE/RX>CS]
[SCAN]
[V/M]
[A/B]
[SPLIT]
[RIT]
[PBT]
[XFC]
[AFC/AUTO TUNE]
[SPEECH/LOCK]
[kHz/M-ch]
[EXIT]
[QUICK]
[M.SCOPE]
[MENU]
[NR]
[NB]
[NOTCH]
[P.AMP/ATT]
[VOX/BK-IN]
[CALL/DR]
[TRANSMIT]
[FUNCTION]
[POWER]
LS37J2
S1
LS37J2
S2
LS37J2
S3
LS37J2
S4
LS37J2
S5
LS37J2
S6
LS37J2
S7
LS37J2
S8
LS37J2
S9
LS37J2
S10
LS37J2
S11
LS37J2
S12
LS37J2
S13
LS37J2
S14
LS37J2
S15
LS37J2
S16
LS37J2
S17
LS37J2
S18
LS37J2
S19
LS37J2
S20
LS37J2
S21
LS37J2
S22
LS37J2
S23
LS37J2
S24
LS37J2
S25
J51
1
2
3
4
5
6
J61
1
2
3
4
5
6
J71
1
2
3
4
5
6
DB2141300L
D101
TPS61161ADRV
IC101
1 FB
2 COMP
3 GND
4
SW
5
CTRL
6
VIN
7
0.22
C101
8.2
R101
15
R102
UC6528XBNQ4G
IC152
1
BUSY
2
DIN
3
CS
4
DCLK
5 AVDD
6 X+
7 Y+
8 X-
9
Y-
10
VSS
11
IN3
12
IN4
13
VREF
14
DVDD
15
PENIRQ
16
DOUT
17
0.1
C151
0.1
C152
22U
L101
6.8k
R11
2.2k
R12
4.7k
R13
15k
R14
6.8k
R41
15k
R44
4.7k
R43
2.2k
R42
6.8k
R31
2.2k
R32
4.7k
R33
15k
R34
6.8k
R21
2.2k
R22
4.7k
R23
15k
R24
0.1
C502
0.1
C503
1
C501
1k
R61
1k
R63
0.1
C63
HT-191UYG
DS1
J601
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
YGHR411
DS2
330
R3
100
R2
100
R1
J201
1
2
3
4
5
6
47k
R202
82k
R201
47k
R204
82k
R203
J451
1
2
3
4
5
6
7
8
9
10
MPZ2012S601A
EP451
MPZ1608S601A
EP452
2.2k
R471
47k
R472
0.01
C471
MMZ1608S601A
EP453
MMZ1005S601CT
EP454
LDTA114EE
Q493
150
R496
DSC7004S0
Q492
15k
R493
33k
R492
L1SS400
D491
0.01
C491
L2SC4081
Q491
10k
R495
MMZ1005S601CT
EP457
MMZ1005S601CT
EP456
10k
R481
J101
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
22
R601
22
R602
22
R603
22
R604
22
R605
22
R606
22
R607
22
R608
22
R609
22
R610
22
R624
100
R611
22
R612
22
R613
22
R614
22
R615
22
R616
22
R617
22
R618
22
R619
22
R620
22
R621
22
R622
22
R623
100
R625
0.1
C626
0.1
C628
0.01
C625
0.01
C611
4.7k
R491
100k
R151
LRB706F
D472
LRB706F
D401
LRB751S
D471
LDTC143ZE
Q481
1k
R51
1k
R52
1k
R54
0.01
C52
0.01
C72
0.01
C73
0.01
C71
1k
R72
1k
R73
1k
R71
LDTC143ZE
Q1
100k
R464
0.001
C461
4.7k
R461
4.7
R462
4.7k
R463
L2SA1576AR
Q461
LDTC143ZE
Q2
LDTC143ZE
Q3
47k
R494
1k
R302
0.01
C453
0.01
C452
MPZ2012S601A
EP455
SHORT
CP451
MPZ1608S601A
EP602
0.1
C627
MPZ1608S601A
EP601
MPZ1608S601A
EP603
0.1
C201
47k
R505
22k
R401
47k
R103
10
R141
10
R142
10
R143
10
R144
0.001
C141
0.001
C142
0.001
C143
0.001
C144
47U
L102
2SB1132G
Q462
1
C104
SML-D12D8WT86
DS3
0.1
C61
0.1
C51
0.1
C53
1k
R62
0.01
C62
47k
R501
47k
R502
47k
R503
47k
R504
100k
R152
100k
R153
J421
1
2
3
4
5
6
7
8
MPZ2012S601A
EP401
MMZ1005S601CT
EP604
100
R4
CF20
CP421
MPZ2012S601A
EP403
MPZ2012S601A
EP402
4.7k
R303
47k
R301
2.2k
R422
100k
R421
3250
MP1
1 2
10
C103
J401
1
2
3
4
5
6
7
10
C102
2.2
C403
R5F104LCAFB
IC501
P120/ANI19/VCOUT0
1
P43/(INTP9)
2
P42/(INTP8)
3
P41/(TRJIO0)
4
P40/TOOL0
5
RESET
6
P124/XT2/EXCLKS
7
P123/XT1
8
P137/INTP0
9
P122/X2/EXCLK
10
P121/X1
11
REGC
12
VSS
13
EVSS0
14
VDD
15
EVDD0
16
P60/SCLA0
17
P61/SDAA0
18
P62/SSI00
19
P63
20
P31/TI03/TO03/INTP4/(PCLBUZ0)/(TRJIO0)
21
P77/KR7/INTP11/(TxD2)
22
P76/KR6/INTP10/(RxD2)
23
P75/KR5/INTP9/SCK01/SCL01
24
P74/KR4/INTP8/SI01/SDA01
25
P73/KR3/SO01
26
P72/KR2/SO21
27
P71/KR1/SI21/SDA21
28
P70/KR0/SCK21/SCL21
29
P06/(INTP11)/(TRJIO0)
30
P05/(INTP10)
31
P30/INTP3/RTC1HZ/SCK00/SCL00/TRJO0
32
P50/INTP1/SI00/RxD0/TOOLRxD/SDA00/TRGIOA/(TRJO0)
33
P51/INTP2/SO00/TxD0/TOOLTxD/TRGIOB
34
P52/(INTP1)
35
P53/(INTP2)
36
P54/(INTP3)
37
P55/(PCLBUZ1)/(SCK00)/(INTP4)
38
P17/TI02/TO02/TRDIOA0/TRDCLK/IVCMP0 /(SO00)/(TxD0)
39
P16/TI01/TO01/INTP5/TRDIOC0/IVREF0/(SI00)/(RxD0)
40
P15/SCK20/SCL20/TRDIOB0/(SDAA0)
41
P14/RxD2/SI20/SDA20/TRDIOD0/(SCLA0)
42
P13/TxD2/SO20/TRDIOA1/IVCMP1
43
P12/SO11/TRDIOB1/IVREF1/(INTP5)/(TxD0_1)
44
P11/SI11/SDA11/TRDIOC1/(RxD0_1)
45
P10/SCK11/SCL11/TRDIOD1
46
P146
47
P147/ANI18/VCOUT1
48
P27/ANI7
49
P26/ANI6
50
P25/ANI5
51
P24/ANI4
52
P23/ANI3/ANO1
53
P22/ANI2/ANO0
54
P21/ANI1/AVREFM
55
P20/ANI0/AVREFP
56
P130
57
P04/SCK10/SCL10
58
P03/ANI16/SI10/RxD1/SDA10
59
P02/ANI17/SO10/TxD1
60
P01/TO00/TRGCLKB/TRJIO0
61
P00/TI00/TRGCLKA/(TRJO0)
62
P141/PCLBUZ1/INTP7
63
P140/PCLBUZ0/INTP6
64
MSCK
MENUK
FUNCK
QMENUK
PWRK
TRSK
CALK
VOXK
TWPIRQ
TWDTX
TWCS
TWDCLC
XFCK
XFCK
TWPIRQ
TWPIRQ
PWRDS
TDS
RDS
MAINDBK_
MAINDAK_
MAINDAK
KI2
MVRK
MAINDAK
MAINDBK
TWCS
TWBUSY TWDTX TWDRX
FTRAS
BKLV
BKLV
R4 R5 R6
G3 G4 G5 G6 G7
B4 B5 B6
CLK
HSYNC VSYNC DE
MUD
PWRK
PHK
MAINDBK
KI3
MFDAK
MFDBK
TDS
RDS
FSENI
SQLS
FUDL
XFCK QMENUK MSCK FUNCK
TRSK
CALK
VOXK
MFDAK
MFK
KI1
FLTXD
RESETI
VSYNC
DISP
B7
B5
B3
G6
G4
G2
R6
R4
R3
R5
R7
G3
G5
G7
B4
B6
CLK
HSYNC
DE
5V
5V
MENUK
FLRXD
FLRXD
SRFL
SAFL
DISP
PHK_
MIC
MICE
R3
R7
G2
B3
B7
8V
8V
8V
STB_LEDV
MAFL
PWRDS
MRFL
SAFL
SRFL
MRFL
SVRK
SVRK
FSQS
MFDBK
KI0
TWBUSY
TWDRX
TWDCLC
MAFL
KI0
KI3
MVRK
SVRK
KI2
KI1
STB_LEDV
PTT
PHA
PHE
PHE
PHB
TOOL0
3R3V
3R3V
3R3V
3R3V
3R3V
RESETI
RESETI
FRES
DS1(FRONT UNIT)
VLED-
GND VDD R0 R1 R2 R3 R4 R5 R6 R7 G0 G1 G2 G3 G4 G5 G6 G7 B0 B1 B2 B3 B4 B5 B6 B7 GND
GND
CLK DISP HSYNC VSYNC DE NC
XR YD XL YU
24.4V/38mA
GND
MAINDAK
MAIN DIAL
MAINDBK
5V
MICI
8V
AFO
PSEND
GND
SQLS
GND
MICE
MUDL
PSEND
MICE
PHE
MICI
PHA
LCD_G4
LCD_B6
LCD_R3
LCD_ON
LCD_G5
3R3V
LCD_B7
LCD_R4
LCD_G6
LCD_B3
LCD_R5
LCD_VS
LCD_G2
LCD_G7
LCD_B4
GND
LCD_R6
LCD_DE
LCD_G3
LCD_B5
LCD_CLK
LCD_R7
3R3V
8V
8V
FRES
LTXD
LRXD
PWRK
GND
VLED+
SRFL
SAFL
GND
SVRK
MAFL
MVRK
MFK
MFDBK
MFDAK
8V
NC
5V
NC
3R3V
NC
LCD_HS
GND
GND
STB_LEDV
MRFL
GND
GND
GND
POWER LED
STANDBY LED
PHK
PHB
PHE
PHE
PHA
GND
PHB
HR
YG
MVRK
KI0
www.PH4X.com