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CCS Technical Documentation
RH-17 Series Transceivers
Troubleshooting -- RF
Issue 1 04/2003 Confidential Nokia Corporation
RH-17
Troubleshooting -- RF CCS Technical Documentation
Page 2 Nokia Corporation Confidential Issue 1 04/2003
RH-17
CCS Technical Documentation Troubleshooting -- RF
Contents
Page No
RF Troubleshooting ....................................................................................................... 5
Test Steps .....................................................................................................................5
Troubleshooting Summary ..........................................................................................9
Tuning Description ....................................................................................................13
Test 1 TS Initial Current.......................................................................................... 13
Test 2 BB Flash Phone ............................................................................................ 14
Test 5 ST DBUS...................................................................................................... 15
Test 6 ST CBUS...................................................................................................... 15
Test 7 ST Aux DA................................................................................................... 16
Test 8 ST EAR Data................................................................................................ 16
Test 9 ST SleeepX................................................................................................... 17
Test 10 ST TX / DP................................................................................................. 17
Test 11 ST TX Q DP ............................................................................................... 18
Test 12 ST MIF Loopback ...................................................................................... 18
Test 13 ST Sleep Clock........................................................................................... 19
Test 14 ST Batman VHFPLL.................................................................................. 19
Test 15 ST Robin VHF PLL CELL ........................................................................ 20
Test 16 ST TX Detector CELL ............................................................................... 20
Test 17 SN CELL PA Temp ................................................................................... 21
Test 18 SN CELL RX BB Filter ............................................................................. 22
Test 19 and 20 SN Cell RX DC Offset I (or Q) ...................................................... 22
Test 22 SN AMPS RX BB Filter ............................................................................ 22
Test 23 and 24 SN AMPS RX DC Offset I (or Q).................................................. 23
Test 25 - 27 BB Cal ADC Gain............................................................................... 23
Test 28 BB Cal BSI Gain ........................................................................................ 24
Test 29 BB Cal VBAT Gain ................................................................................... 24
Test 30 BB Cal VBAT Offset ................................................................................. 24
Test 31 BB Cal VCHAR Gain ................................................................................ 25
Test 32 BB Cal VCHAR Offset .............................................................................. 25
Test 33 BB Cal ICHAR Gain.................................................................................. 26
Test 34 BB Cal ICHAR Offset................................................................................ 26
Test 35 BB Cal BTEMP Gain ................................................................................. 27
Test 36 Test TX Start up Amplitude Limits [5,20] ................................................. 27
Test 38 Test TX Start up Current Limits [300,600]................................................ 27
Test 39 TN VCTCXO Frequency Limits [-150, 150]............................................. 28
Test 40 - 44 TN TX IF AGC Cell Po (0) [or (1), (2), (3), (4), (5), (6)] .................. 29
Test 45 TN TX IF 11 dBm Set CELL Po................................................................ 30
Test 46 - 51 TN PA AGC Cal Cell Po (0) [or (1), (2), (3), (4), or (5)] ................... 31
Test 52 - 56 TN TX RF AGC Cell Po (0) [or (1), (2), (3), or (4)] .......................... 32
Test 61 - 67 TN TX Gain Comp Cell Po MD (or LO, LM, ML, MH, HM, or HI) 33
Test 68 TN G_Offset Cell MD................................................................................ 33
Test 69 - 75 TN TX Limiting PO IS95 Cell, Low channel (or LowMid, MidLow,
Mid, MidHigh, HighMid or High channel) ................................................... 34
Test 76 - 82 TN TX Limiting Po IS2K Cell: Low channel (or LowMid, MidLow,
Mid, MidHigh, HighMid or High channel) ................................................... 35
Test 100 -101 TS ACPR Cell - High(Low) Offset.................................................. 36
Tests 103 - 109 TN AMPS PL2 Po Low (LowMid, MidLow, Mid, MidHigh,
Issue 1 04/2003 Nokia Corporation Confidential Page 3
RH-17
Troubleshooting -- RF CCS Technical Documentation
HighMid, or High) .......................................................................................... 36
Tests 111 - 115 TN AMPS PL3 (or 4, 5, 6, or 7) Po............................................... 37
Test 118 TN TX DC Offset Carrier Suppression.................................................... 37
Test 119 TN TX DC Offset Reference Power ........................................................ 38
Test 121 - 123 TN RX IF AGC RXdBCtr (0) [or (1) or (2)] .................................. 39
Test 178 - 179 TN LNA AMPS LowGain (or HighGain) ...................................... 40
Test 126 - 139 TN LNA CELL LowGain (or HighGain) LO (or LM, ML, MD,
MH, HM, HI) .................................................................................................. 40
Final UI test: Rho .................................................................................................... 41
Final UI test: Frame Error Rate (FER).................................................................... 41
Final UI test: SINAD............................................................................................... 41
Probing/Troubleshooting Tables ...............................................................................42
Transmitter Probing................................................................................................. 42
VCO Probing........................................................................................................... 46
Receiver Probing ..................................................................................................... 48
RF Power Supplies .................................................................................................. 51
APPENDIX A: Phoenix Instructions .........................................................................51
To turn off Cell CDMA Transmitter .........................................................................53
To turn on the AMPS transmitter ..............................................................................54
To turn on the receiver only, in any mode .............................................................. 55
To verify a single, manual tuning............................................................................ 56
To adjust PDM values of AGCs and AFC .............................................................. 56
To read tuning values from the phone..................................................................... 57
To read RSSI and AGC PDM values from the phone............................................. 57
To load a PRL into the phone.................................................................................. 58
To change between Normal and Local modes ........................................................ 58
To add a baseband to the AMPS transmitter........................................................... 59
APPENDIX B: Definitions ........................................................................................60
Radio Portion of Phone Front Panel .........................................................................62
Robin View ................................................................................................................64
Alfred View ...............................................................................................................65
Back Panel test points ................................................................................................67
Page 4 Nokia Corporation Confidential Issue 1 04/2003
RH-17
CCS Technical Documentation Troubleshooting -- RF
RF Troubleshooting
Test Steps
Step Step Name: Low Limits: High Limits: Unit:
1 TS Initial Current 5 100 mA
2 BB Flash Phone Pass/Fail-
Test
MS Off state Current 10 100 uA
3 MS Local Mode Current 30 70 mA
4 Write Phone Information Pass/Fail-
Test
5 ST DBUS 0 10
6 ST CBUS 0 10
ST MBUS TX/RX 0 0
7 ST Aux DA 0 10
8 ST Ear Data 0 10
9 ST Sleep X 0 10
10 ST TX I DP 0 10
11 ST TX Q DP 0 10
12 ST MFI Loopback 0 10
13 ST Sleep Clock 0 10
14 ST Batman VHF PLL 0 10
15 ST Robin VHF PLL CELL 0 10
16 ST TX Detector CELL 0 10
ST Mode CDMA CELL RX 1 1
17 SN CELL PA Temp 200 400 ADC
18 SN CELL RX BB Filter 1 30
19 SN CELL RX DC Offset I 0 1023
20 SN CELL RX DC Offset Q 0 1023
21 PM AMPS RX Pass/Fail-
Test
22 SN AMPS RX BB Filter 1 14
23 SN AMPS RX DC Offset I 0 1023
24 SN AMPS RX DC Offset Q 0 1023
25 BB Cal ADC Gain 2.63 2.83
Issue 1 04/2003 Nokia Corporation Confidential Page 5
RH-17
Troubleshooting -- RF CCS Technical Documentation
26 BB Cal ADC Offset -50 50
27 BB Cal ADC Vref 2.75 2.85
28 BB Cal BSI Gain 900 1100
29 BB Cal VBAT Gain 1.03 1.07
30 BB Cal VBAT Offset 2.4 2.6
31 BB Cal VCHAR Gain 5.7 6.3
32 BB Cal VCHAR Offset -0.2 0.2
33 BB Cal ICHAR Gain 400 450
34 BB Cal ICHAR Offset -50 50
35 BB Cal BTEMP Gain 2 2.3
36 TS TX Start-up Amplitude 5 20 dBm
37 TS TX Start-up Freq Delta -2500 2500
38 TS TX Start-up Current 300 600 mA
39 TN VCTCXO Frequency -150 150 Hz
40 TN TX IF AGC CELL Po(0) -30.5 -13.5 dBm
41 TN TX IF AGC CELL Po(1) -8 6 dBm
42 TN TX IF AGC CELL Po(2) 6.5 20.5 dBm
43 TN TX IF AGC CELL Po(3) 6.5 20.5 dBm
44 TN TX IF AGC CELL Po(4) 25 39 dBm
TN TX IF AGC CELL Po(5) 29 42 dBm
TN TX IF AGC CELL Po(6) 37 49 dBm
45 TN TX IF 11dBm Set CELL Po 10.75 11.25 dBm
46 TN TX PA AGC CELL Po(0) -1 6.5 dBm
47 TN TX PA AGC CELL Po(1) 1 8.5 dBm
48 TN TX PA AGC CELL Po(2) 2 10.5 dBm
49 TN TX PA AGC CELL Po(3) 4 11.5 dBm
50 TN TX PA AGC CELL Po(4) 7 13 dBm
51 TN TX PA AGC CELL Po(5) 10.5 11.5 dBm
52 TN TX RF AGC CELL Po(0) -41 -21 dBm
53 TN TX RF AGC CELL Po(1) -23.5 -7 dBm
54 TN TX RF AGC CELL Po(2) -10.5 3.5 dBm
55 TN TX RF AGC CELL Po(3) -3.5 9.5 dBm
56 TN TX RF AGC CELL Po(4) 0.5 11.5 dBm
57 TN GnSwchPnts Init RF GD AMPS 25 44.99
Page 6 Nokia Corporation Confidential Issue 1 04/2003
RH-17
CCS Technical Documentation Troubleshooting -- RF
58 TN GnSwchPnts RF GD AMPS 0 100
59 TN GnSwchPnts Init RF GD CELL 25 44.99
60 TN GnSwchPnts RF GD CELL 0 100
61 TN TX Gain Comp CELL Po MD -8.25 -7.75 dBm
62 TN TX Gain Comp CELL Po LO -11.5 -4.5 dBm
63 TN TX Gain Comp CELL Po LM -11.0 -4.0 dBm
64 TN TX Gain Comp CELL Po ML -11.0 -4.0 dBm
65 TN TX Gain Comp CELL Po MH -10 -3 dBm
66 TN TX Gain Comp CELL Po HM -10 -2 dBm
67 TN TX Gain Comp CELL Po HI -13.5 -5 dBm
68 TN G_Offset_CELL_MD 2600 8000
69 TN TX LIM Po IS95 CELL LO 23.3 23.5 dBm
70 TN TX LIM Po IS95 CELL LM 23.6 23.8 dBm
71 TN TX LIM Po IS95 CELL ML 24.0 24.2 dBm
72 TN TX LIM Po IS95 CELL MD 24.4 24.6 dBm
73 TN TX LIM Po IS95 CELL MH 24.3 24.5 dBm
74 TN TX LIM Po IS95 CELL HM 24.2 24.4 dBm
75 TN TX LIM Po IS95 CELL HI 24.1 24.3 dBm
76 TN TX LIM Po IS2K CELL LO 23.3 23.5 dBm
77 TN TX LIM Po IS2K CELL LM 23.6 23.8 dBm
78 TN TX LIM Po IS2K CELL ML 24 24.2 dBm
79 TN TX LIM Po IS2K CELL MD 24.4 24.6 dBm
80 TN TX LIM Po IS2K CELL MH 24.3 24.5 dBm
81 TN TX LIM Po IS2K CELL HM 24.2 24.4 dBm
82 TN TX LIM Po IS2K CELL HI 24.1 24.3 dBm
83 TN TX LIM Loops CELL LO 0 10
84 TN TX LIM Loops CELL LM 0 10
85 TN TX LIM Loops CELL ML 0 10
86 TN TX LIM Loops CELL MD 0 10
87 TN TX LIM Loops CELL MH 0 10
88 TN TX LIM Loops CELL HM 0 10
89 TN TX LIM Loops CELL HI 0 10
90 TN TX LIM Loops CELL IS2K LO 0 10
91 TN TX LIM Loops CELL IS2K LM 0 10
Issue 1 04/2003 Nokia Corporation Confidential Page 7
RH-17
Troubleshooting -- RF CCS Technical Documentation
92 TN TX LIM Loops CELL IS2K ML 0 10
93 TN TX LIM Loops CELL IS2K MD 0 10
94 TN TX LIM Loops CELL IS2K MH 0 10
95 TN TX LIM Loops CELL IS2K HM 0 10
96 TN TX LIM Loops CELL IS2K HI 0 10
97 TS TX LIM MeasCount CELL 0 500
98 TS TX LIM TXdBCtr Delta CELL -32767 32767
99 TS TX LIM IS95 ADC CELL MD 550 850
100 TS ACPR CELL High Offset 44 75 dB
101 TS ACPR CELL Low Offset 44 75 dB
102 TS TX LIM Current CELL 600 1000 mA
103 TN AMPS PL2 Po LO 23.3 23.4 dBm
104 TN AMPS PL2 Po LM 23.6 23.8 dBm
105 TN AMPS PL2 Po ML 24.0 24.2 dBm
106 TN AMPS PL2 Po MD 24.4 24.6 dBm
107 TN AMPS PL2 Po MH 24.3 24.5 dBm
108 TN AMPS PL2 Po HM 24.2 24.4 dBm
109 TN AMPS PL2 Po HI 24.1 24.3 dBm
110 TN AMPS PL2 MeasCount 0 500
111 TN AMPS PL3 Po 23.3 24.1 dBm
112 TN AMPS PL4 Po 19.1 20.9 dBm
113 TN AMPS PL5 Po 15.1 16.9 dBm
114 TN AMPS PL6 Po 11.1 12.9 dBm
115 TN AMPS PL7 Po 7.3 8.7 dBm
116 TN AMPS PL8 Po ADC Data 4.5 7.5
117 TN AMPS Low PL MeasCount 0 500
118 TN TX DC Offset CarrierSup 35 120 dB
119 TN TX DC Offset Ref Po -30 30 dBm
120 TN TX DC Offset MeasCount 0 500
121 TN RX IF AGC RXdBCtr(0) 23584 30848
122 TN RX IF AGC RXdBCtr(1) 14000 18000
123 TN RX IF AGC RXdBCtr(2) 5900 8900
124 TN LNA AMPS LowGain 298 3652
125 TN LNA AMPS HighGain 4359 7713
Page 8 Nokia Corporation Confidential Issue 1 04/2003
RH-17
CCS Technical Documentation Troubleshooting -- RF
126 TN LNA CELL LO LowGain -601 4289
127 TN LNA CELL LM LowGain -601 4289
128 TN LNA CELL ML LowGain -601 4289
129 TN LNA CELL MD LowGain 423 3777
130 TN LNA CELL MH LowGain -601 4289
131 TN LNA CELL HM LowGain -601 4289
132 TN LNA CELL HI LowGain -601 4289
133 TN LNA CELL LO HighGain 3475 8365
134 TN LNA CELL LM HighGain 3475 8365
135 TN LNA CELL ML HighGain 3475 8365
136 TN LNA CELL MD HighGain 4499 7853
137 TN LNA CELL MH HighGain 3475 8365
138 TN LNA CELL HM HighGain 3475 8365
139 TN LNA CELL HI HighGain 3475 8365
140 NVD Write RF Params Pass/Fail-
Test
141 NVD Write Non RF Params Pass/Fail-
Test
Troubleshooting Summary
If TX power is low, turn on transmitter in local mode using Phoenix. Check:
1 Current (0.7 - 1 A for max power, mode and channel dependent),
2 Perform visual inspection of PWB under microscope to check proper placement,
rotation, and soldering of components.
3 Look for presence of TX signal on spectrum analyzer at the correct frequency. If
signal is not on frequency, check in 100 MHz span. If signal is present but off fre-
quency, check synthesizer. If signal is not present, or present but low in ampli-
tude, use probing Tables 1 through 7 to determine where in the chain the fault
occurs, with AGC PDMs set for known transmit power as listed in Table 1.
4 Check that AGC PDMs are set for desired TX power according to Table 1 and
ensure AGC voltages are correct.
5 According to Tables 2 and 3 (cell/AMPs), check the LOs for proper frequency and
amplitude.
6 Ensure power supplies to transmitter have correct voltage, as per Table 13.
Issue 1 04/2003 Nokia Corporation Confidential Page 9
RH-17
Troubleshooting -- RF CCS Technical Documentation
If Receiver is not working properly, turn on receiver in local mode using Phoenix and
check:
1 Turn on receiver with Phoenix, inject a signal into the receiver.
2 Check the RSSI level and AGC PDM according to Table 8.
3 Perform a visual inspection of the PWB under a microscope to check proper
placement, rotation, and soldering of components.
4 Use probing Tables 8 through 12 to measure signal levels of various points in the
chain and determine where in the chain the fault lies.
5 According to Tables 9, 10, and 12 check the LOs for proper frequency and ampli-
tude.
6 Ensure power supplies to receiver have correct voltage as per Table 13.
Page 10 Nokia Corporation Confidential Issue 1 04/2003
RH-17
CCS Technical Documentation Troubleshooting -- RF
Figure 1: RH-17 PWB bottom (general placement)
Issue 1 04/2003 Nokia Corporation Confidential Page 11
RH-17
Troubleshooting -- RF CCS Technical Documentation
Figure 2: RH-17 PWB top (general placement)
Page 12 Nokia Corporation Confidential Issue 1 04/2003
RH-17
CCS Technical Documentation Troubleshooting -- RF
Tuning Description
Test 1 TS Initial Current
Description
Check initial current consumption at start-up to make sure phone is consuming correct
amount of current.
Explanation of Result
Phones current consumption is measured and should be between 5mA and 100 mA.
Manual Verification
Check using Power Supply and Multimeter, example follows. Power Off phone and follow
setup below to verify if phone's current consumption is correct.
1 Positive Banana connector on Test Fixture to Power Supply +
2 Ground Banana connector on Test Fixture to | on Multimeter
3 Jumper cable between Power Supply (-) and Multimeter (input low)
4 Set Multimeter to measure current (DC|)
5 Multimeter should have an initial reading, this is the current being drawn by the
Text Fixture. Null out the Multimeter to Zero the reading.
6 Place phone in Test Fixture
7 Press Power key to turn phone on
8 Observe current draw at Multimeter. It should be between 5.0mA and 100.0mA.
Troubleshooting
If phone drains all available current:
Check VBAT and do a visual inspection of all baseband ICs including orientation. VBAT
supplies the D200 (UEM), N603 (Tomcat), N801 (PA), X101, N100, B302, M300, N300,
and X470.
If the phone has initial current consumption at start-up then powers down:
If, after a few seconds, all circuits power down, it is normally caused because the watch-
dog signal between UEM (200) and UPP (D400) has expired. Watchdog is used by the
phone for fault detection.
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