Page 1
SECTION 11 HM-133
• EXPLODED VIEW
MP3 (C)
MP2 (C)
• ELECTRICAL PARTS
[MAIN-A UNIT]
REF ORDER
NO. NO.
IC1 1140011491 S.IC uPD789071MC-041-5A4-E1-A B 51.1/24.5
IC3 1110006310 S.IC BD5245G-TR B 67.3/34.8
IC6 1130012030 S.IC BR24L02FV-WE2 B 39.4/30.1
Q1 1530001941 S.TR 2SC2712-BL (TE85L,F) B 26.1/11
Q2 1590000680 S.TR DTC114EUA T106 B 21.6/34.8
Q3 1590001330 S.TR DTA114EUA T106 B 24.7/34.8
Q4 1510000771 S.TR 2SA1586-GR (TE85R,F) B 54.7/34.9
Q5 1510000771 S.TR 2SA1586-GR (TE85R,F) B 54.5/37.5
Q6 1510000771 S.TR 2SA1586-GR (TE85R,F) B 48.5/5.8
Q7 1510000771 S.TR 2SA1586-GR (TE85R,F) B 48.5/3.3
Q8 1530001941 S.TR 2SC2712-BL (TE85L,F) B 19.5/9.9
Q9 1590001010 S.TR DTB113ZK T146 B 22.8/11
D1 1790000950 S.ZEN MA8056-M (TX) B 23.1/17
D3 1750000940 S.DIO ISS400 TE61 B 64.7/23.2
D4 1750000940 S.DIO ISS400 TE61 B 64.7/29.2
D5 1750000940 S.DIO ISS400 TE61 B 59.6/25.5
D6 1750000940 S.DIO ISS400 TE61 B 58.7/20.8
D7 1750000940 S.DIO ISS400 TE61 B 42.8/16.7
D9 1750000940 S.DIO ISS400 TE61 B 34.1/16.3
D10 1750000940 S.DIO ISS400 TE61 B 34.9/17.8
D11 1750000940 S.DIO ISS400 TE61 B 38.8/14.5
D12 1750000940 S.DIO ISS400 TE61 B 57.2/29
D16 1730002280 S.ZEN MA8091-M (TX) B 55.2/14.5
D17 1730002280 S.ZEN MA8091-M (TX) B 48.8/14.5
D18 1730002280 S.ZEN MA8091-M (TX) B 12.5/13.9
X1 6060000610 S.CER EFOS4914E3 B 42.6/22.3
L1 6200001520 S.COL MLF2012D R82K-T B 12/28.9
L2 6200001520 S.COL MLF2012D R82K-T B 10.7/13.9
R2 7030000400 S.RES MCR10EZHJ 1.5 k B 24.2/8.3
R3 7030000400 S.RES MCR10EZHJ 1.5 k B 41.9/8.3
R4 7030000400 S.RES MCR10EZHJ 1.5 k B 57.3/8.2
R5 7030003400 S.RES ERJ3GEYJ 471 V (470) B 28.6/11.2
R6 7030003620 S.RES ERJ3GEYJ 333 V (33 k) B 26.8/34.7
R7 7030003620 S.RES ERJ3GEYJ 333 V (33 k) B 23.3/36.8
R8 7030003570 S.RES ERJ3GEYJ 123 V (12 k) B 19.1/33.7
R9 7030003560 S.RES ERJ3GEYJ 103 V (10 k) B 57.6/35.6
R10 7030003440 S.RES ERJ3GEYJ 102 V (1 k) B 57.6/34.3
R11 7030003480 S.RES ERJ3GEYJ 222 V (2.2 k) B 57.6/36.9
R12 7030003560 S.RES ERJ3GEYJ 103 V (10 k) B 60.4/37.2
R13 7030003560 S.RES ERJ3GEYJ 103 V (10 k) B 45.7/5.5
R14 7030003420 S.RES ERJ3GEYJ 681 V (680) B 51.5/5.9
R14 7030003440 S.RES ERJ3GEYJ 102 V (1 k) B 51.5/5.9
R15 7030003400 S.RES ERJ3GEYJ 471 V (470) B 51.5/3.3
R15 7030003480 S.RES ERJ3GEYJ 222 V (2.2 k) B 51.5/3.3
R16 7030003560 S.RES ERJ3GEYJ 103 V (10 k) B 45.7/4.2
R18 7030003560 S.RES ERJ3GEYJ 103 V (10 k) B 41.6/33.6
R19 7030003640 S.RES ERJ3GEYJ 473 V (47 k) B 38.4/34.5
R22 7030003520 S.RES ERJ3GEYJ 472 V (4.7 k) B 37.9/18.7
R23 7030003520 S.RES ERJ3GEYJ 472 V (4.7 k) B 56.1/18.1
R24 7030003520 S.RES ERJ3GEYJ 472 V (4.7 k) B 58/18.6
R25 7030003520 S.RES ERJ3GEYJ 472 V (4.7 k) B 59.8/18.9
R27 7030003560 S.RES ERJ3GEYJ 103 V (10 k) B 68.1/32.5
R35 7030000400 S.RES MCR10EZHJ 1.5 k B 69.1/11.9
R36 7030003560 S.RES ERJ3GEYJ 103 V (10 k) B 20.5/30.6
R37 7030003460 S.RES ERJ3GEYJ 152 V (1.5 k) B 19.1/30.6
R38 7030003720 S.RES ERJ3GEYJ 224 V (220 k) B 17.5/7.7
R39 7030003480 S.RES ERJ3GEYJ 222 V (2.2 k) B 24.4/5.7
R40 7030003480 S.RES ERJ3GEYJ 222 V (2.2 k) B 24.4/3
R41 7030003560 S.RES ERJ3GEYJ 103 V (10 k) B 17/32.7
R42 7030003860 S.RES ERJ3GE JPW V B 68.4/21.6
R43 7030003440 S.RES ERJ3GEYJ 102 V (1 k) B 57.4/27.5
R44 7030003440 S.RES ERJ3GEYJ 102 V (1 k) B 57.3/22.1
R45 7030003440 S.RES ERJ3GEYJ 102 V (1 k) B 53.9/18
R46 7030003440 S.RES ERJ3GEYJ 102 V (1 k) B 37.8/15.8
R47 7030003440 S.RES ERJ3GEYJ 102 V (1 k) B 37.6/17.1
R48 7030003440 S.RES ERJ3GEYJ 102 V (1 k) B 45.3/17.6
R49 7030003440 S.RES ERJ3GEYJ 102 V (1 k) B 57.3/26.2
R50 7030003440 S.RES ERJ3GEYJ 102 V (1 k) B 58.1/23.4
R51 7030003440 S.RES ERJ3GEYJ 102 V (1 k) B 57.4/24.7
C1 4030006850 S.CER C1608 JB 1H 471K-T B 52/16.9
C2 4510008500 S.ELE EEE1CA101WP B 35.5/5.8
C5 4030007050 S.CER C1608 CH 1H 220J-T B 14.9/30.4
C9 4030007050 S.CER C1608 CH 1H 220J-T B 16.3/16.9
C10 4030007050 S.CER C1608 CH 1H 220J-T B 15.6/15.5
C11 4030007050 S.CER C1608 CH 1H 220J-T B 15.6/7.2
C12 4030006860 S.CER C1608 JB 1H 102K-T B 64.9/34.4
C13 4030006860 S.CER C1608 JB 1H 102K-T B 44.3/27.6
C14 4030006900 S.CER C1608 JB 1H 103K-T B 67.5/37.2
C15 4030006860 S.CER C1608 JB 1H 102K-T B 41.9/29.7
C16 4030006860 S.CER C1608 JB 1H 102K-T B 14.1/13.6
C17 4030006860 S.CER C1608 JB 1H 102K-T B 11.7/17.4
C18 4030006860 S.CER C1608 JB 1H 102K-T B 10.4/17.4
C19 4030006860 S.CER C1608 JB 1H 102K-T B 13/25.8
C21 4030006860 S.CER C1608 JB 1H 102K-T B 11.7/25.8
DESCRIPTION
M.
H/V
LOCATION
[MAIN UNIT]
REF ORDER
NO. NO.
C22 4030006860 S.CER C1608 JB 1H 102K-T B 10.4/28.5
C23 4030006860 S.CER C1608 JB 1H 102K-T B 23.1/14
C24 4030006860 S.CER C1608 JB 1H 102K-T B 67.2/12.1
C25 4030006860 S.CER C1608 JB 1H 102K-T B 25.6/32.2
C26 4030006860 S.CER C1608 JB 1H 102K-T B 53/4.6
C27 4030006860 S.CER C1608 JB 1H 102K-T B 60.9/35.9
C29 4510008540 S.ELE EEE1CA100SR B 26.4/16
C30 4030011600 S.CER C1608 JB 1E 104K-T B 23/3
C31 4510008540 S.ELE EEE1CA100SR B 28.3/4.9
J1 6510023110 CNR 3008L-8P8C <KIN>
DS1 5010000120 S.LED LN1371G-(TR) T 21.9/11
DS2 5010000120 S.LED LN1371G-(TR) T 21.9/32
DS3 5010000120 S.LED LN1371G-(TR) T 39.3/11
DS4 5010000120 S.LED LN1371G-(TR) T 39.3/32
DS5 5010000120 S.LED LN1371G-(TR) T 55.9/2.5
DS6 5010000120 S.LED LN1371G-(TR) T 56.2/26.8
DS7 5010000120 S.LED LN1371G-(TR) T 71.7/14.8
DS8 5010000120 S.LED LN1371G-(TR) T 72.2/33.8
DS10 5010000150 S.LED LT1EP53A T 51.6/5
DS10 5040003160 S.LED BRPY1211C-TR T 51.6/5
DS11 5010000150 S.LED LT1EP53A T 51.6/38
DS11 5040003160 S.LED BRPY1211C-TR T 51.6/38
MC1 7700002310 MIC EM-140
S1 2260000980 SW SKHHLP014A
EP1 6910012350 S.BEA MMZ1608Y 102BT B 10.4/25.8
EP2 6910012350 S.BEA MMZ1608Y 102BT B 14.3/17.4
EP3 6910012350 S.BEA MMZ1608Y 102BT B 13/17.4
EP4 6910012350 S.BEA MMZ1608Y 102BT B 14.5/11
DESCRIPTION
M.=Mounted side (T: Mounted on the Top side, B: Mounted on the Bottom side)
S.=Surface mount
M.
H/V
LOCATION
• MECHANICAL PARTS
[CHASSIS PARTS]
REF ORDER
NO. NO.
DESCRIPTION
W1 8900011271 OPC-1153A 1
MP1 8210018830 2539 FRONT PANEL 1
MP2 8210018840 2539 REAR PANEL 1
MP3 8930057380 2539 PTT BUTTON 1
MP4 8930057390 2539 LED LENS 2
MP5 8930057570 2539 SW RUBBER 1
MP6 8930057520 2539 KEYBOARD 1
MP8 8810009371 Screw BT B0 3X12NI-ZK3 (BT) 2
MP9 8810009561 Screw BT B0 2X6 NI-ZK3 (BT) 3
QTY.
[MAIN-A UNIT]
REF ORDER
NO. NO.
DESCRIPTION
J1 6510023110 3008L-8P8C 1
MC1 7700002310 EM-140 1
S1 2260000980 SKHHLP014A 1
QTY.
• DIMENTIONS
(2
61.0
(2
54.3
1
/8)
104.0
3
/32)
(4
13
/32)
Unit: mm (inch)
(1
31.5
1
/4)
Unit abbreviations
(C): CHASSIS PARTS
(M): MAIN-A UNIT
MP5 (C)
MP1 (C)
MP4 (C)
• VOLTAGE DIAGRAM
C:7.6
J1
M8V
1
MU/D
2
M8VSW
3
PTT
4
MICE
5
MIC
6
E
7
MDATA
8
C19
L2
C21
C22
EP1
MC1
F: [FUNC] is pushed
D: DTMF is activated
C: Common
R: Receiving
T: Transmitting
8
05
R
3D
BANDUP
S7
MR
S3S4S5
VFO
S2
94R
4
R
4D
7
D
ABCD
S9
3
S6
S13 S14
2
S17
1
S21
15
R
5D
F-2
PTT
F-1
1
S
MAIN-A UNIT
MP9 (C)
S1 (M)
MP6 (C)
MP8 (C)
MC1 (M)
J1 (M)
W1 (C)
Q1
R5
32
C
L1
EP2
EP3
EP4
C16
C18
C17
D18
71
D
7
4
R
01
D
S10
6
5
S18
4
S22
1C
64R
9D
S11
9
S15 S16
8
S19
7
S23
D16
R:6.8
T:6.8
C11
C10
C30
S12
0
S20
S24
2
92C
C
D1
C9
C5
R39R40
C31
MKEY-08
MKEY-07
MKEY-06
MKEY-05
MKEY-04
MKEY-03
MKEY-02
MKEY-01
MKEY-00
34R
4
54
4
R
R
11
D
DTMF
FUNC
21D
6
D
DN
S8
S25
S26
C:5.0
5
2
53R
4
3R
R:7.5
T:7.5
Q9
Q8
R38
F:1.9
R22
MKEY-I0
R23
MKEY-I1
R24
MKEY-I2
R25
MKEY-I3
42C
63R
DS10
R8
1
4
R
51R
41R
Q6
3
1R
F:1.9
D:1.9
G
R
0
R27
C:5.0
R37
Q7
61
R
24
R
R
C:3.8 C:3.8 C:3.8
5SD6SD
7SD8SD
C12
Q2
6
2C
21R
T:1.9 P:1.9
72
92
82
0
3
41P
31P
21P
11P
09O
Z
TESER
B/13P
01P
P
1
PV
C
I
1
3
4
2
HR30
IC3
1
OUT
2
VDD
3
VSS
Q3
01R
11R
Q4
Q5
9R
R
G
DS11
91
12
22
32
4
52
62
02
2
20P
30P
10P
00
5
50P
6
40P
1
0
P
P
P
2
1PTNI/52P
09OT/0
0
P
8
TNI
I
T
/6
/72P
SSV
DDV
2X
1
3
2
X
P
P
7
0
11
5
8
9
6
21
1
C13
X1
5
1
C
5
CD
4
NC
3SD
4SD
72C
LED-S2
SEND
LED-M2
LED-M1
71
81
61
70
0
0
2KCSA
2DX
P
T
0
0PTNI/42P
2
0
1IS/22
2
S
S/
3
2
P
P
51
31
41
R18
R19
41C
C
2R
1SD2SD
C:3.8
R6R7
)1M-DEL(R-EDOM
)2MD
E
L(G-ED
O
M
7
6
5
8
A
P
CCV
L
C
W
D
S
S
S
6C
1A
2
0
S
A
A
V
I
2
1
3
4
11 - 1
Page 2
11-3 HM-133V
• MAIN UNIT
• MAIN-A UNIT
11 - 3
to the IC-2200H
LOGIC unit J1
MAIN UNIT
C23
R5 470
0.001
C:7.7V
J1
M8V M8V
MU/D
M8VSW
PTT
MICE MICE
MIC MIC
E
MDATA MDATA
C21 0.001
C22 0.001
EP1
C19 0.001
D18 MA8091
C18 0.001
L2 0.82µ
EP2
C17 0.001
L1 0.82µ
EP3
EP4
C16 0.001
C11 22p
D1
C10 22p
MA8056
C9 22p
Q1
2SC2712
C29
10
M8V
C5 22p
5V 5V 5V
C2
100
R:7.7V
T:7.6V
Q9
DTB113ZK
R38 220k
MICE
C30 0.1
MC1
PTT
F-1
F-2
VFO
MR
BAND
UP
DN
S1
SKHHLP014A
S2
S3
S4
S5
S6
S7
S8
D17
MA8091
C1
470p
D16
MA8091
R:7.1V
T:7.0V
NOTE
F: FUNC acting
D: DTMF acting
P: PTT-M acting
C: COMMON
R: RX
T: TX
R40
2.2k
R39 2.2k
C31
10
Explanatory notes
MICEMICE
F:1.9V D:1.9V
VOLTAGE LINE
TX LINE
D3 1SS355
D4 1SS355
D5 1SS355
D6 1SS355
D7 1SS355
D8 1SS355
D9 1SS355
D10 1SS355
D11 1SS355
D12 1SS355
ABCD
S9 S10 S11 S12
3
2
1
69
S13 S14
5
S17
4
S21
#
S15 S16
8
S18
S19
7
S22
S23
DTMF
0
S20
S25
FUNC
S24
S26
D19
1SS355
R34 47k
R33 47k
R22 100k
R24 100k
R31 47k
R32 47k
C3
C:5.0V
Q8
2SC2712
R16
10k
R23 100k
R25 100k
R30
5.6k
X1
100p
R15
470
Q7
2SA1586
DS10
LT1EP53A
CSB600J200T
C4
100p
C24
C13
0.001
5V
R
5V
5V
0.001
DS7
LN1371G
DS8
LN1371G
R37 1.5k
R14
680
Q6
2SA1586
R13
10k
F:1.9V
G
IC1 µPD7564AG-555
1
2
3
4
5
6
7
8
9
10
IC3
S-80845CLUA-B66-T2
C15
0.001
R35
1.5k
C:3.8V C:3.8V C:3.8V
R4
1.5k
R36
10k
DS3
LN1371G
DS4
LN1371G
Q2
DTC114EU
DS5
LN1371G
DS6
LN1371G
R8 12k
R41 10k
R11
D14
R12
10k
1SS355
VDD
Q5
2SA1586
Q3
Q1
B
C
D
A
680
R
DS11
LT1EP53A
16
15
14
13
12
11
10
C26
0.001
D15
1SS355
IC2
MC14028BF
1
2
3
4
5
6
7
8
T:1.9V
Q4
Q2
Q0
Q7
Q9
Q5
Q6
VSS9Q8
R18 470k
R19 470k
R20 470k
R21 470k
20
P00/INTO0
P01/SCK
P02/SO
P03/SI
P80
P81
P82
CL2
CL1
VDD
VSS
P113
P112
P111
P110
P103
P102
P101
P100
RESET
19
18
17
16
15
14
13
12
11
C:5.0V
O
I
R29
G
100
R10
Q4
2SA1586
G
C14
0.047
R3
1.5k
680
R27 1M
R7 33k
C27
R9
10k
0.001
P:1.9V
D13
DS1
LN1371G
DS2
LN1371G
Q3
DTA114EU
1SS355
R2
1.5k
R26 47k
R6 33k
C12
0.001
C25
C:3.8V
0.001
R:7.5V
T:7.5V
Q9
DTB113ZK
MKEY-I0
MKEY-I1
MKEY-I2
MKEY-I3
C:5.0V
R38 220k
F:1.9V
Q8
2SC2712
R16
Q7
2SA1586
10k
MASK
FLASH
R37
1.5k
R15 470
DS10
LT1EP53A
0
10k
C24 0.001
5V
R14 680
R
R42 0
DS7
LN1371G
DS8
LN1371G
R36
10k
R41 10k
Q6
2SA1586
R13
G
5V
R35
1.5k
C:3.8V
DS5
LN1371G
DS6
LN1371G
R8 12k
Q2
DTC114EU
Q5
C26 0.001
2SA1586
10k
F:1.9V
R12
10k
T:1.9V
IC1
µPD789071MC-041-5A4
P102P31/BZO903VPP4RESET5X26X17VSS8VDD9P30/TO9010P27/TI80/TO80
1
IC3 BD5245G
1
OUT
2
VDD
3
VSS
5V
5V
R27 10k
5V
C:5.0V
D:1.9V
R4
1.5k
C:3.8V C:3.8V
DS3
LN1371G
DS4
LN1371G
C12 0.001
R10 680
R11 680
Q4
2SA1586
R
DS11
LT1EP53A
11
5V
C13
0.001
X1
EFOS4914E3
5
CD
4
NC
R3
1.5k
DS1
LN1371G
DS2
LN1371G
R6 33kR7 33k
Q3
DTA114EU
C27
0.001
R9
10k
G
P:1.9V
LED-S2
SEND
LED-M2
LED-M1
16
17
18
P0719P0620P0521P0422P0323P0224P0125P0026P1527P1428P1329P1230P11
P21/SO20/TXD20
P20/SCK20/ASCK20
P26/INTP2/CPT90
P25/INTP113P24/INTP014P23/SS2015P22/SI120/RXD20
12
R18 10k
R19 47k
5V
7WP8
VCC
C15 0.001
IC6
BR24L02FV-W
1A02A13A24
C14 0.01
C25 0.001
R2
1.5k
C:3.8V
MODE-G(LEDM2)
MODE-R(LED-M1)
5
6
SCL
SDA
VSS
5V
5V
5V
5V
MAIN-A UNIT
EP4
L1 0.82µ
R39 2.2kR40 2.2k
C31
10
R5 470
C11 22p
C10 22p
C23 0.001
C:7.6V
J1
M8V M8V
MU/D
5V
to the IC-2200H
LOGIC unit J1
5V
M8VSW
PTT
MICE MICE
MIC MIC
E
MDATA MDATA
L2 0.82µ
C21 0.001
C22 0.001
MC1
D17
MA8091
C1
470p
EP1
C19 0.001
D16
MA8091
EP2
C18 0.001
D18 MA8091
R:6.8V
T:6.8V
EP3
C16 0.001
C17 0.001
C30 0.1
D1
MA8056
C9 22p
C29
10
M8V
C5 22p
Q1
2SC2712
5V 5V 5V
C2 100
MICE
MICEMICE
Explanatory notes
VOLTAGE LINE
TX LINE
MKEY-08
MKEY-07
MKEY-06
MKEY-05
D12
R43 1k
1SS400
MKEY-04
MKEY-03
MKEY-02
MKEY-01
MKEY-00
R22 4.7k
R23 4.7k
R24 4.7k
R25 4.7k
5V
R44 1k
R45 1k
R46 1k
R47 1k
R48 1k
R49 1k
5V
R51 1k
D5
1SS400D31SS400
5V5V
PTT
S1
SKHHLP014A
R50 1k
D10
D4
1SS400
D7
ABCD
S9
BANDUP DN
F-2
MR
S3
F-1
VFO
S2
NOTE
F: FUNC acting
D: DTMF acting
P: PTT-M acting
C: COMMON
R: RX
T: TX
3
S6S7 S8
S13 S14 S15 S16
2
S5
S17
1
S4
S21
1SS400
1SS400
S10
69
5
S18
4
S22
S11
8
7
D11
1SS400
1SS400
D6
1SS400
S12
#
0
DTMF
S20
S25
FUNC
S24
S26
D9
S19
S23
Page 3
10-2 HM-133V
10 - 2
M8V
MIC
GND
MDATA
Q8 2SC2712
Q9 DTB113ZK
REG CTRL
Q1 2SC2712
D1 MA8056
5V REG
DS1-DS8 LN1371G
BACK
LIGHT
Q2 DTC114EU
Q3 DTA114EU
DATA
BUFF
5V
(MAIN)
IC3 S-80845CLUA
D13 1SS355
(MAIN-A)
IC3 BD5245G
RESET
D16,D17 MA8091
PROTECTO
MIC
PROTECTO
D18 MA8091
IC2
MC14028BF
(MAIN only)
MATRIX
DRIVER
KEY MATRIX
D3-D7,D9-D12
1SS355 (MAIN)
1SS400 (MAIN-A)
CPU
IC1
µPD7564AG (MAIN)
µPD789071 (MAIN-A)
EE-PROM
DATA
RESET
IC6
BR24L02FV
(MAIN -A only)
LED/
DRIVER
DRIVER
Q4,Q5 2SA1586
DS11 LT1EP53A
LED/
Q6,Q7 2SA1586
DS10 LT1EP53A
D14,D15 1SS355 (MAIN only)
Explanatory notes
DATA BAS
COMMON
TX
VOLTAGE LINE
Page 4
9-3 HM-133V
• TOP VIEW (MAIN UNIT) • TOP VIEW (MAIN-A UNIT)
9 - 5
NOTE:
HM-133V’s main unit has 2 versions (MAIN or MAIN-A).
MAIN unit employs old type CPU, MAIN-A unit employs new type one.
Make sure to be used whether MAIN unit or MAIN-A unit before servicing.
VFO/LOCK MR/CALL BANK/OPTION
F-1
DTMF-S
1 2 3 A
F-2
FUNC
VFO/LOCK MR/CALL BANK/OPTION
F-1
DTMF-S
1 2 3 A
F-2
FUNC
4 5 6 B
7 8 9 C
*
0 # D
4 5 6 B
7 8 9 C
*
0 # D
Page 5
• BOTTOM VIEW (MAIN-A UNIT) • BOTTOM VIEW (MAIN UNIT)
9 - 6
PTT
1
5
8
4
1
15
30 16
71
82
to the IC-2200H
LOGIC unit J1
J1
E
MICE
M8VSW
M8V
MDATA
MIC
PTT
MU/D
PTT
10
1
11
20
1
8
16
9
71
82
to the IC-2200H
LOGIC unit J1
J1
E
MICE
M8VSW
M8V
MDATA
MIC
PTT
MU/D
Page 6
2-2 HM-133V
2 - 2
CPU
CPU
(IC1: µPD789071)
(IC1: µPD789071)
LED driver
LED driver
Q6, Q7: 2SA1586
Q6, Q7: 2SA1586
DS10*: LT1EP53A
DS10*: LT1EP53A
5V regulator
5V regulator
Q1: 2SC2712
Q1: 2SC2712
D1: MA8056
D1: MA8056
Regulator switch
Regulator switch
Q8: 2SC2712
Q8: 2SC2712
Q9: DTB113ZK
Q9: DTB113ZK
Reset IC
Reset IC
(IC3: BD5245G)
(IC3: BD5245G)
LED driver
LED driver
Q4, Q5: 2SA1586
Q4, Q5: 2SA1586
DS11*: LT1EP53A
DS11*: LT1EP53A
EE-PROM
EE-PROM
(IC6: BR24L02FV)
IC6: BR24L02FV
[MAIN-A] unit only
Data buffer circuit
Data buffer circuit
Q2: DTC114EU
Q2: DTC114EU
Q3: DTA114EU
Q3: DTA114EU
*Located under side of the point
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