Land Rover Discovery Etm 1995 2nd Edition Rover Manual
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ELECTRICAL TROUBLESHOOTING MANUAL
ETM E6
Radio (except Japan)
23
DISCOVERY
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Radio
Z111
Radio
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Radio Volume Up
Switch
Z111
Radio
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Radio Volume
Down Switch
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Radio
ELECTRICAL TROUBLESHOOTING MANUA L
E6 ETM
Radio (except Japan)
24
DISCOVERY
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X234
Radio Waveband
Switch
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Radio Waveband
Switch
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Radio +
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X233
Radio Tune
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Radio Tune
Switch
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Radio +
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ELECTRICAL TROUBLESHOOTING MANUAL
ETM E6
Radio (except Japan)
25
DISCOVERY
& &
*
# # (! & &#%
X235
Radio Volume Up
Switch
# )
#
# # (! $ )
*
Radio Volume Up
Switch
*
Radio *
12345
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X236
Radio Volume
Down Switch
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*
Radio Volume
Down Switch
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12345
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Radio *
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ELECTRICAL TROUBLESHOOTING MANUA L
E6 ETM
Radio (except Japan)
26
1995 RANGE ROVER
!
$
$
Radio
Z111
Radio
#
RADIO (JAPAN) 1 ETM E7 DISCOVERY ELECTRICAL TROUBLESHOOTING MANUAL CIRCUIT OPERATION The audio system consists of a new head unit connected to a Radio Tune Switch, a waveband switch, a volume up and a volume down switch which are located on the fascia next to the Instrument Cluster. The system is also equipped with an amplifier, a subwoofer, a subwoofer amplifier and a CD changer which is connected to the Radio with a DIN cable. The amplifier is connected to power via a Power Amplifier Relay which is energized with Ignition on. The control head is equipped with an anti±theft feature which makes the unit innoperative once battery power is removed. A security code must be entered to restore power to the unit. The system is equipped with two rear and two front speakers. Battery voltage is provided to the control head at all times through the P wire. In addition to monitoring the anti±theft feature, this input keeps the preset station memory alive. Whenever battery power to the unit is lost, the anti±theft code must be entered and the preset stations must be reprogrammed. When the Radio (Z111) and the ignition are turned on, the voltage signal through the LGO wire and the control head wakes up the unit. The Radio (Z111) plays, the VF display comes on and the control unit buttons illuminate. The VF display is dimmed when the headlights or park lights are turned on. When the lights are on, voltage from fuse F8 of the Fascia Fusebox (P126) is applied to the Radio (Z111) terminal 6, Connector 230 signalling the Radio (Z111) to dim the display.
ELECTRICAL TROUBLESHOOTING MANUA L E7 ETM Radio (Japan) 2 DISCOVERY S2061 4 C230 E200 30 F 6 20 A 0.5 PP128 Satellite Fuse Box 2 6 0.5 RN7 R F 3 10 A 1.5 LGOP126 Fascia Fuse Box C229 1 See Fuse Details Interior Lamps C209 13 1.0 LGO 8 C2055 10 1.5 B C2028 2 See Ground Dis- tribution 5 C2055 12 0.5 UYC230 0.5 PY Not used C212 9Z111 Radio C2079 Z233 Antenna S272 A E7-6E7-8 B 5 C268 1.0 B S2065 13 C2055 1.5 B 1.5 B 1.5 LGO
ELECTRICAL TROUBLESHOOTING MANUAL ETM E7 Radio (Japan) 3 DISCOVERY 0 [1]C268 0.5 UG3 1 5 0.5 B 0.5 B 2 C2056 4C2056 0.5 RN X233 Radio Tune Switch 0.5 RG4 1 5 0.5 B 0.5 B 2 C2057 4C2057 0.5 RN X234 Radio Waveband Switch S217 E200 See Ground Dis- tribution Interior Lamps Interior LampsZ111 Radio 0 [1]
ELECTRICAL TROUBLESHOOTING MANUA L E7 ETM Radio (Japan) 4 DISCOVERY 0 [1]C268 0.5 NY1 1 5 0.5 B 0.5 B 2 C2058 4C2058 0.5 RN X235 Radio Volume Up Switch 0.5 U2 1 5 0.5 B 0.5 B 2 C2059 4C2059 0.5 RN X236 Radio Volume Down Switch S277 E200 See Ground Dis- tribution Interior Lamps Interior LampsZ111 Radio 0 [1]
ELECTRICAL TROUBLESHOOTING MANUAL ETM E7 Radio (Japan) 5 DISCOVERY 30 F 12 10 A C204 4 See Fuse Details S2021 HJ6 0.7 P C381 3 Z114 CD Changer See Ground Dis- tribution C322 DIN CABLE C20801 C381 0.7 B 1.5 B 4 C2029 E201 Z111 Radio 2 4 6 8 1 3 5 7 C260 0.5 B0.5 B0.5 B 0.5 B S2064 0.5 B 2 3 1 5 7 C2055 0.5 B 11 1 2 3 4 C20540.5 R 0.5 G0.5 Y 0.5 U Z226 Radio Amplifier Shield Z175 Radio Amplifier P126 Fascia Fuse Box
ELECTRICAL TROUBLESHOOTING MANUA L E7 ETM Radio (Japan) 6 DISCOVERY E7-2 S2033 30 F 4 15 AR F 3 10 A S279 S2003 HJ3 A 0.5 PY C2054 14 9 1.5 LGP87 86 C2053 E201 See Ground Dis- tribution Z175 Radio Amplifier K187 Power Amplifier Relay 0.5 B 87 30 85 86 30 85 C2053 1.5 NK 0.5 LGO See Fuse Details1 C229 P126 Fascia Fuse Box P128 Satellite Fuse Box 2 See Fuse Details