Asus M930 Service Manual download pdf (Page 53)

GTC Service Manual

ASUS Proprietary 53

華

碩

電

腦

10.8

10.8 10.8

10.8 WCDMA RX

WCDMA RXWCDMA RX

WCDMA RX

Finally, we will analysis the RX characteristic. In WCDMA RX part,

both of I and Q channel are HPSK signal (R924, R926, R930, and R931).

On RX path, only one RX filter is external. It has a LNA (16dB) within

RF3100 that amplifies the RX signal.

Because the strength of RX signal is too small, so spectrum must

have some extra setup. In order to observe the signal easily, must

strengthen BCH to - 30dBm.

Check MIX1 input (L900)

1 2 ... 48 49 50 51 52 53 54 55 56 57 58 ... 66 67

Ver 1.0 1
ASUS Proprietary 2 2
ASUS Proprietary 3 3
PPENDIX 4
ASUS Proprietary 5 5
ASUS Proprietary 6 6
1.3 Placement TOP View 7
ASUS Proprietary 8 8
1.5 Specification 9
GTC Service Manual 10
ASUS Proprietary 10 10
1.2 Others 11
1.2 Others1.2 Others 11
ASUS Proprietary 12 12
ASUS Proprietary 13 13
ASUS Proprietary 14 14
2.5.2 Keypad LED fail 15
2.5.1 RGB Led fail 15
ASUS Proprietary 16 16
ASUS Proprietary 17 17
4.8.1 Headset fail 18
4.8.2 Speaker 19
4.8.4 Receiver 20
4.9.1 Board level test: 21
4.9.2 External Keypad 21
4.9.3 Internal Qwerty Keypad 22
ASUS Proprietary 23 23
ASUS Proprietary 24 24
ASUS Proprietary 25 25
ASUS Proprietary 26 26
ASUS Proprietary 27 27
ASUS Proprietary 28 28
ASUS Proprietary 29 29
ASUS Proprietary 30 30
ASUS Proprietary 31 31
ASUS Proprietary 32 32
ASUS Proprietary 33 33
ASUS Proprietary 34 34
Antenna Feed 34
ASUS Proprietary 35 35
ASUS Proprietary 36 36
ASUS Proprietary 37 37
ASUS Proprietary 38 38
ASUS Proprietary 39 39
ASUS Proprietary 40 40
10.3 EGG TX Path 41
10.3.1 Probe 42
10.3.2 Placement on the PCB 42
10.3.3 Measurement Result 43
ASUS Proprietary 44 44
10.4 EGG RX 45
10.4 EGG RX10.4 EGG RX 45
ASUS Proprietary 46 46
ASUS Proprietary 47 47
10.7 WCDMA TX 48
10.7 WCDMA TX10.7 WCDMA TX 48
ASUS Proprietary 49 49
ASUS Proprietary 50 50
ASUS Proprietary 51 51
ASUS Proprietary 52 52
ASUS Proprietary 53 53
3. R800 is 26MHz 54
ASUS Proprietary 55 55
Appendix C 56
Appendix CAppendix C 56
ASUS Proprietary 57 57
3. Switch to TP Mode 58
ASUS Proprietary 59 59
ASUS Proprietary 60 60
4. Operating Method 61
ASUS Proprietary 62 62
ASUS Proprietary 63 63
ASUS Proprietary 64 64
ASUS Proprietary 65 65
ASUS Proprietary 66 66
Reset WCDMA Radio 67

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