Test Points - Intermec EasyCoder 301 Service Manual

11.9 Test Points

J3
L1 C18
U17 C17
C30 C34
C35
C31 R55
C33 R53
C32 R54
C45 R77
C44 R78
C51
F15
F14
C58 C59
F16
F17
R150 R151
F18
F20
F19
F21
L3
F22
F24
F25
F23
F28
C78
F26
F27
F31 J15
F30
F29
C76
C75
Intermec EasyCoder 301 – Service Manual Ed. 3
The CPU board is provided with four test points for measuring
various currents (also see block diagram in chapter 11.1 and
schematics in chapter 11.8).
TP_24V
TP_VCC
U1
U10
U9
U19
U18
U26
U25
J8
C52
R117
D8 R149
R148
C60 R123
D10
R126 R127
L2
D11
T1
C68
C69
L5
C72
R144
D16
D18
R145
Q11
Test Point
TP_24V
TP_VCC
TP_PH
TP_40V
TP_PH (EAS)
(ERW1)
U2
U12
C12
U11
U20
R42 R43 R44 R45 C22
C39
U29
R67
U28
R64
R66
U27
R63
R65
R68
R62
C46
R104
R102
R103 R105
RV3
R101
C49
C50
R122
C48
U33
R134
C55
C53
U34
Q4
R120
R119
C77 C56
R121
R118 D9
C54
R125
C61
R133 C64 R136
R130
C63
U35
U37
U36
Q5 R132
C62
R135 C65 R124
R131
T2
R146
D19
D23
D20 D25
R147
Q12 U38 U39
D22
C73
Name Nominal
24V 24.72 V
VCC 5.0 V
24V_PH 24.72 V
36V 35.0 V
Chapter 11 CPU Board
J1
U4
R11
R13
R12
U3
R10
U5
R20 R23 R29 R31
R22 R24 R26 R32
U6
R19 R25 R27 R33 R34
C8
R18 R21 Q7 R28 R30
U7
U13 U14 U15
U16
C29
R50
R49 R51
C28
U23 U24
C23
C27
R73 R75
R74
R71 R72
U31 U32
Q1
U30
R106 C47
R113
J7
Q2
R115
R114
R112 R111 R153
D5
D6
C57
J9
L4
D24
Tolerance
± 5%
± 5%
± 5%
± 10% (unregulated)
J2
R36
R35
F1
F2
F3
C43
R78
J6
J11
J10
TP_40V
63