MEASURING METHOD AND WAVEFORMS
It is recommended to use extension wires between the probe and test points.
1. PCB test point
• For points
q
to
Q1
, take measurements at the points shown in the diagram below.
AUDIO PCB : U5101 [NJU72322V]
q
LATCH : 20pin
w
CLOCK : 19pin
e
DATA : 18pin
AUDIO PCB : U2201, U2202 [CD74HC4094PWR]
r
STROBE : 1pin
t
DATA : 2pin
y
CLOCK : 3pin
u
OE : 15pin
TONE/HP PCB : U2501 [NJW1119AV]
i
LATCH : 16pin
o
CLOCK : 15pin
Q0
DATA : 14pin
UCOM PCB : VD001 LCD[N1009]
Q1
DC : 3pin
Q2
CS : 5pin
Q3
CLOCK : 9pin
Q4
DATA : 7pin
AUDIO PCB : U5101 [NJU72322V]
AUDIO PCB : U2201, U2202 [CD74HC4094PWR]
TONE/HP PCB : U2501 [NJW1119AV]
UCOM PCB : VD001 [MXS4046A]
q
LATCH : 20pin
w
CLOCK : 19pin
e
DATA : 18pin
r
STROBE : 1pin
t
DATA : 2pin
y
CLOCK : 3pin
u
OE : 15pin
i
LATCH : 16pin
o
CLOCK : 15pin
Q0
DATA : 14pin
Q1
DC : 3pin
Q2
CS : 5pin
Q3
CLOCK : 9pin
Q4
DATA : 7pin
1
6
1
6
1
6
1
6
UP
UP
LOW
LOW
UP
UP
LOW
LOW
ROS
ROS
ROS
ROS
ROS
ROS
1
6
1
6
ROS
1
6
1
6
ROS
ROS
B
C
E
B
C
E
ROS
ROS
ROS
ROS
ROS
ROS
ROS
ROS
ROS
ROS
ROS
ROS
ROS
ROS
ROS
ROS
UP
UP
LOW
LOW
ROS
L
R
63201023810AM
8U-210238-1
AUDIO UNIT
RED
RED
BLUE
R3801
R3802
R3803 R3804
R3610
R3805
R361
1
R3806
R3612
R3807
R3613
R3808
R3614
R3615
R3809
R3616
R3617
R3618
Z5051
R3619
R3810
R3620
Z3501
R3621
R3622
C3651
C3652
12.5
J7002
J7003
22.5
J7004
N3101
N3102
R3653
R3654
R3655
R3656
R3657
R3658
N3301
N3302
N5051
N3501
N3502
U3601
U3602
K2001
K2002
K2003
Z2001
Z2002
Z2003
Z2004
Z2007
Z2008
Z2009
Z2010
C3102
C3103
C3104
C3106
C3107
C3108
C3302
C3303
C3304
C5051
C3306
C3307
C3308
C3501
C3502
C5061
C5062
C5063
C5064
C3701
D3101
C3702
D3102
C3703
C3704
R3101
R3102
R3103
R3104
N2001
R3105
N2002
N2003
R3107
R3109
C3901
D3301
C3902
D3302
C3903
C3904
C3905
R3301
R3302
R3303
R3304
N2201
R3305
R31
12
R3307
R31
13
R3309
R3503
R3504
R3505
R3312
R3506
R3313
Z3001
Z3002
R3701
R3702
R3703
R3704
R3705
R5069
R3706
R3707
R3708
R5070
R3902
R3903
S5051
S5052
S5053
R3908
S3501
S3502
S3503
S3504
S3701
B2001
S3702
C2001
C2002
C2003
C2004
C2005
N3201
C2006
N3202
C2007
C2008
C2009
C2201
C2010
C2011
N3401
C2012
N3402
C2017
R2001
R2002
R2003
R2004
C5101
R2005
C5102
R2006
R2007
R2008
C5105
R2009
Q5101
Q5102
R2010
R2011
R2012
C51
13
C51
14
C5115
C5116
C5117
C5118
C51
19
C5120
S2001
C5121
S2002
C5122
S2003
S2004
S2005
S2006
S2007
S2008
R5108
R5109
R51
10
R5
111
R5112
R5113
R5114
R5115
R51
16
R51
17
C3202
C3203
C3204
C3206
C3207
R5120
C3208
R5121
C3402
C3403
C3404
C3406
C3407
C3408
C3021
C3022
C3023
C3024
C3601
C3602
C3603
C3604
R3001
C3605
J5061
R3002
C3606
J5062
C3607
C3608
R3005
R3006
C3801
D3201
C3802
D3202
C3803
C3804
C3805
R3201
C3806
R3202
R3203
R3204
R3205
N2103
R3207
R3209
D3401
D3402
R3401
R3402
R3403
R3404
R3405
R3212
R3407
R3409
R3601
R3602
R3603
R3604
K3701
R3605
R3412
R3606
R3607
R3608
R3609
C5107
U5101
U5102
Q3651
Q3652
Q3653
Q3654
Q3655
Q3656
R3651
R3652
U3801
Q3101
C3105
Q3102
Q3103
Q3104
Q3105
Q3106
Q3301
C3305
Q3302
Q3303
Q3304
Q5051
Q3305
Q3306
Q5052
Q3501
Q3502
Q3503
Q5061
Q5062
Q5063
Q5064
Q3701
C3705
Q5065
Q3702
Q5066
R3108
D5051
D5052
R3110
R3308
R31
14
D3501
R3115
D3502
R3116
D3503
D3504
R3501
R3310
R3314
D3701
R5061
R3315
D3702
R5062
R3316
R5063
R5064
R5065
R5066
R5067
R5068
D3901
D3902
D3903
R3901
R3904
R3905
R3906
R3907
Q2001
Q2002
Q2003
Q2004
Q2005
Q2006
Q2007
Q2008
Q2009
C2202
C2203
C2204
C2205
C2206 C2207
C2013
C2208
C2014
C2209
C2015
C2016
C2210
D2001
D2002
D2003
D2004
D2005
D2006
D2007
D2008
C5103
C5104
U3901
C5106
C5108
C5109
R2201
R2202
R2203
R2204
R2205
R2206
R2207
R2013
C5110
R2208
R2014
C5
111
R2209
R2015
R2016
R2017
R2018
R2019
R2020
R2021
R2022
R2023
R2024
R5101
R5102
R5103
R5104
R5105
Q3201
C3205
Q3202
Q3203
Q3204
Q3205
Q3206
Q3401
C3405
Q3402
Q3403
Q3404
Q3405
Q3406
C3025
C3026
R3003
R3004
C3609
R3007
R3008
C3610
C3611
C3612
R3208
U2201
U2202
R3210
R3408
R3214
D3601
R3215
D3602
R3216
D3603
D3604
D3605
D3606
D3607
R3410
D3608
R3414
R3415
R3416
1
1
2
3
4 5 6 4 5 6
7
7
ROS
ROS
B
C
E
B
C
E
B
C
E
B
C
E
B
E
C
B
E
C
B
E C
B
E C
B
C
E
B
C
E
TONE UNIT
8U-210238-3
FRONT SIDE
RED
C9801
C9802
C9803
C9804
C9805
Q9801
C9806
Q9802
Q9803
C9807
Q9804
C9808
Q9805
C9809
Q9806
Q9807
Q9808
C9810
C9811
C9813
C9814
R9801
R9802
R9803
R9804
R9805
R9806
R9807
R9808
R9809
R9810
R9814
R9815
C2501
R9816
C2502
C2503
C2504
R9819
C2505
C2506
C2507
C2508
C2509
R9820
R9821
R9822
R9823
R9824
C2510
S9801
R9825
C2511
R9826
C2512
C2513
R9827
C2514
R9828
C2515
R9829
C2516
C2517
R9830
R9831
R9832
R9833
R9834
R9835
R9836
R9837
R9838
R9839
R2501
R2502
R2503
R2504
R9840
R9841
R9842
R2509
R2510
R251
1
R2512
C2551
C2552
C2553
C2554
Q2551
C2555
Q2552
C2556
C2557
D2551
D2552
R2551 R2552
R2553
R2554
R2555
R2556
R2557
R2558
R2560
R2561
J9801
J9802
J8103
Z2501
N9801
N2501
N2502
N2503
C9812
Q9813
Q9816
Q9817
D9801
C2518
R2505
R2506
R2507
Q2553
C2558
U9801
Q2555
C2559
Q2556
Q2557
Q2558
C2560
R2559
U2501
1
9
8
10
1
18
63201023910AM
8U-210239-2 UCOM UNIT
N1001
N1002
N1003
N1004
N1005
N1006
N1007
N1009
D1004
D1005
R1082
R1083
R1084
R1086
R1087
R1088
X1001
X1002
Z1006
Z1007
L1001
L1002
L1003
L1004
L1005
L1006
L1007
L1008
L1009 L1010
L101
1
L1012
L1013
L1014
L1015
L1016
L1017
L1018
L1019
L1020
L1021
L1022
L1023
L1024
L1025
L1026
L1027 L1028 L1029 L1030 L1031
L1032 L1033 L1034 L1035 L1036 L1037
L1038
L1039
L1040
L1041
L1042
L1043
L1044
L1045
L1046
L1047
L1048
L1049
N1008
L1050
L1051
L1052
L1053
C1001
C1002
C1003
C1004
C1005
Q1001
Q1002
C1006
Q1003
C1007
C1008
Q1004
C1009
Q1005
Q1006
Q1007
Q1008
Q1009
C1010
C101
1
C1012
C1013
Q1010
C1014
Q1011
C1015
C1016
Q1012
C1017
Q1013
C1018
Q1014
C1019
Q1015
Q1016
Q1017
Q1018
Q1019
C1020
C1021
C1022
C1023
C1024
Q1020
C1025
Q1021
D1001
C1026
Q1022
D1002
Q1023
C1027
D1003
Q1024
C1028
Q1025
C1029
R1001
Q1026
R1002
Q1027
R1003
Q1028
R1004
R1005
R1006
R1007
C1030
R1008
C1031
R1009
C1032
C1033 C1034
C1035
C1036
C1037 C1038
R1010
R101
1
C1039
R1012
R1013
R1014
R1015
R1016
R1017
C1040
R1018
C1041
R1019
C1042
C1043
C1044
C1045
C1046
C1047
C1048
R1020
C1049
R1021 R1022
R1023
R1024
R1025
R1026
R1027
C1050
R1028
C1051
R1029
C1052
C1053
C1054
C1055
C1056
C1057
R1030
C1058
C1059
R1031
R1032
R1033
R1034
R1035
R1036
R1037
C1060
R1038
C1061
R1039
C1062
C1063
R1040
R1041
R1042 R1043
R1044 R1045 R1046 R1047 R1048 R1049 R1050 R1051 R1052
R1053
R1054
R1055
R1056
R1057
R1058
R1059
R1060
R1061
R1062
R1063 R1064
R1065
R1066
R1067
R1068
R1069
U1001
U1002
U1003
U1004
R1070
R1071
U1005
R1072
R1073
R1074
R1075 R1076
R1077
R1078
R1079
R1080
R1081
R1085
R1089
R1090
R1091
R1092
1
11
12
14
13
Before Servicing
This Unit
Electrical
Mechanical
Repair Information
Updating
47
