Service manual

SERVICE MANUAL
IC DATA AND WAVEFORMS OF KEY POINTS
(continued)
6 Supply voltage 199.66 4.48
7 B output 127.69 5.45
8 R output 122.7 5.45
9 G output 109 5.45
Table 9 Functions and Service Data of HEF4053 (ND01)’s Pins
Digital Multimeter
Pin No. Function Description
Reference Voltage(V)
Positive Resistance
(20K
)
Negative Resistance
(20K )
1 Signal input terminal 0.01 6.9 6.32
2 Signal input terminal 2.47 6.7 5.89
3 Signal input terminal 0.21 6.9 6.4
4 Signal output terminal 2.59 6.7 5.83
5 Signal input terminal 2.58 6.7 5.91
6 Ground 0 0.001 0.00
7 Ground 0 0.001 0.00
8 Ground 0 0.001 0.00
9 Control signal input terminal 0.15 5.7 4.93
10 Control signal input terminal 0.15 5.7 4.93
11 Control signal input terminal 0.15 5.7 4.93
12 Signal input terminal 2.5 6.5 5.9
13 Signal output terminal 0 6.7 6.38
14 Signal input terminal 2.49 6.5 5.9
15 Audio output 2.45 6.5 5.94
16 Supply voltage 8.2 1.2 1.57
Table 10 Functions and Service Data of MSP3440 (N606M)’s Pins
Digital Multimeter
Pin No. Function Description
Reference Voltage(V)
Positive Resistance
(20K
)
Negative Resistance
(20K )
1 TP NC 0.16 7.3 5.3
2 AVD-GL-OUT NC 2.52 6.8 5.51
3 D-CTR-I/O-1 NC 0.01 7.3 5.57
4 D-CTR-I/O-0 NC 0.01 7.2 5.58
5 ADR-SEL 4.79 0.7 4.54
6 STANDBYQ 4.79 0.7 4.54
7 I2C-CL 3.56 7 4.44
8 I2C-DA 3.9 7 4.44
9 I2S-CL NC 2.36 7.2 6.24
10 I2S-WS NC 2.4 7.2 6.24
11 I2C-DA-WT NC 2.36 7.2 6.24
12 I2S-DA-IN1 NC 0.07 7.2 5.29
13 ADR-DA NC 0.07 7.2 5.59
14 ADR-WS NC 0.07 7.2 5.59
15 ADR-CL NC 0.07 7.2 5.59
16 DVSVP 4.79 0.7 4.54
17 DVSS 0.01 0.001 0.00
(Continued)
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