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Marantz MR2020 - Program Timer Adjustment

Marantz MR2020
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PCS 96 921
7D-2 7D-2 7D-2
3104 217 04121/04341 bl. 110 - 01
TUNER 95 bis
1
1
2
IC 6105
1
ecb
e
c
b
cbe
8
416
4
LEU0149
9751
not in RDS version (04341)
only in RDS version (04121)
1
1
TUNER 95 bis Combi: Copper side view
5109
3125
1102
1103
2125
2106
9100
9114
7104
2107
5102
9111
5123
5103
2123
3128
2102
1110
5122
9104
7105
9101
1126
2138
5110
9116
9119
2130
3167
1124
5111
9115
2128
2129
9125
5114
9126
5112
3142
2133
5115
2140
9118
3158
6120
5121
9123
9121
2144
9120
9102
3154
3155
6107
1121
9108
3159
3160
9107
3161
3164
2162
5107
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
AA
BB
CC
DD
EE
FF
GG
HH
II
JJ
1102 F4
1103 C3
1110 G7
1121 H11
1124 H9
1126 G10
2102 G7
2106 C5
2107 C4
2108 C6
2109 C5
2120 F5
2122 E6
2123 F6
2125 G5
2127 F9
2128 C7
2129 C8
2130 F8
2131 F9
2132 F9
2133 F10
2134 G10
2135 G11
2136 G10
2137 E11
2138 E10
2140 F10
2141 E10
2142 E9
2143 C10
2144 E10
2145 G11
2147 G11
2148 E9
2150 F8
2151 F9
2152 F9
2158 D10
2160 E9
2161 E9
2162 C11
3103 H6
3104 G6
3107 G7
3108 C6
3109 B7
3123 E4
3124 E5
3125 C7
3128 F6
3129 E6
3130 E6
3131 C6
3132 E5
3134 E5
3137 G5
3138 D9
3139 F8
3140 H8
3141 G9
3142 G10
3143 G8
3144 H8
3145 F9
3146 B10
3150 C11
3151 C10
3152 G9
3153 G9
3154 C10
3155 C10
3158 G11
3159 G11
3160 G11
3161 G11
3162 D9
3163 F8
3164 C11
3165 D8
3167 F8
3169 D5
3171 D11
3172 F7
3173 F7
3176 D9
3177 F7
3181 D8
3183 E7
3184 E7
3185 E7
3186 G8
3188 G11
3192 D8
3197 C7
5102 C4
5103 C5
5107 F10
5109 D7
5110 E9
5111 C8
5112 C9
5114 D8
5115 G9
5121 E9
5122 E7
5123 E5
6105 D4
6107 B10
6120 D10
7101 E9
7103 G9
7104 D5
7105 B6
7109 C6
7110 D11
7122 F7
7124 G6
9100 F4
9101 E7
9102 D10
9104 E6
9107 F11
9108 G11
9111 C4
9114 E5
9115 C8
9116 G8
9118 G10
9119 G7
9120 D10
9121 D9
9123 D9
9125 D8
9126 C8
4
1
5
8
b
e
c
b
e
c
b
c
e
e
b
c
12
1
34
23
c
e b
3184
3172
3185
3183
3197
2120
3137
3132
3123
6105
3134
3169
3124
2109
3103
7124
3104
7122
3108
3129
3130
2122
2108
3109
7109
3131
2145
7110
2143
3151
3146
7103
3143
3140
3107
3139
3163
3186
3144
2127
2131
3192
3181
7101
2132
3153
3145
3152
3141
2134
2136
2142
2161
2160
3162
2158
2141
3188
2135
2147
2137
3150
2150
3173
3177
2152
2151
2148
3176
3138
3171
3165
+12V
MW
LW
MW
LW
=
=
0,7V
0V
=
=
0V
0,7V
VT
6
=
=
AM
FM
VDD
7V
6V
+12V
+FM
+8V
+1,4V
+1,4V
VCC +12V
RIGHT
LEFT
+9,6V
STEREO
CLOCK
DATA
+9,6V
ENABLE
MPX
0V
V
AM FM
12V
<0,5V
VDD
AM
FM
7V=
6V=
AM
FM
=
=
TUNER 95 bis Adjustment Table (FM, MW, LW with Frame antenna)
Waverange Input frequency Input Set tuned to Adjust Output Scope / Voltmeter
VARICAP ALIGNMENT
FM (50)
108 MHz check 7 ... 9V
87.5 - 108 MHz 87.5 MHz check 1.3 ... 2V
MW (9)
1602 kHz 5123
8.3V
±
0.2V
531 - 1602 kHz 531 kHz check
1V
±
0.4V
LW (3)
279 kHz 5122
8.3V
±
0.2V
153 - 279 kHz 153 kHz check
1V
±
0.4V
FM – DETECTION
FM
98 MHz 1mV
continuous wave
short pin 21 (IC7101)
to ground
98 MHz 5107
0mV
±
3mV
FM – VCO
98 MHz 1 mV
FM
continuous wave
98 MHz 3142
152kHz
±
1 kHz
DISTORTION
98 MHz 1 mV mixcoil
FM
90 % L + 98MHz inside Distortion
9 % pilot Tuner minimum
mod = 1kHz 1110
AM – IF
450kHz 5111
f = 10kHz
symmetrical and
Low as possible max. height
MW
Swept signal MW 5112
450kHz 5114
0mV
±
2mV
continuous wave
AM - RF
558kHz 558kHz 5102
MW
Mod = 1kHz MAX
30 % AM
1494 kHz 1494kHz 2106
198kHz *
LW
mod = 1kHz 198kHz 5103 MAX
30 % AM
* Signal send via a frame antenna
adjtab le for 3104 217 04121/04341
(..) = tuning grid in kHz repeat
100nF
50E
2
1
A
C
A
A
2
1
B7
7
4
3
6
Untitled-1 6/23/98, 1:49 PM2

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