(Tuner); (Front) - Sanyo DC-MM5000 Service Manual

SCHEMATIC DIAGRAM (TUNER)
XF211 IC211
LA1186N
1 2 3 1 2 3 4 5 6
C2105
0.01
CN202
FM
AM
LOOP
8.5
0
R2454
Q2451
KRA107M 10K
C2457
1;50-P
C2456
0.01
4.2
0 0 3.4
2.0 0.8 0.8 3.2
24 23 22 21 20 19
XOUT NC VSSA AOUT AIN PD
IC241
LC72121M
XIN VSSX CE DI CLK DO
1 2 3 4 5 6
2.0
0 0.3 0.1 0.2 4.3 0.9
0 0.4 0 11.1
R2802
000
This is a basic schematic diagram.
C2106
1000P R2204
1M
7 8 9
C2114 R2201
5P XF221 220 Q2201
KTC3195
R2205
R2202
330
R2105 C2111
1.5K 1000P
C2109 SVC342
100P
D2153
820K
R2148
1SS133
D2456
R2455
220
1.9 0
0 1.9 0 4.7 0
18 17 16 15 14 13
VDD FMIN AMIN VSSD SD IFIN
FM MONO AM IF_REQ DIST NC
7 8 9 10 11 12
4.8 0 0
5.2
0.9
5.6
0.6
0.9
R2460 R2459
10K 10K
1SS133
D2453
FM 98MHZ
VOLTAGE= (UNIT:V)
AM 999KHZ
- 26 -
XF222
9.2
2.3
0
0
1.6
0
33
2.1
OSC BU
L2151
MWANT
4.7
5.1
L2153
C2152
560P MWOSC
XF233
T2002
C2306
1;50
XF231
C2322
1000P C2305
0.47;50
6.2 4.0 5.0
2.1 2.1 0
6.6 4.7 5.0 5.1 6.3 0 2.3
1 2 3 4 5 6 7 8 9 10 11 12
FM IF AM MIX REG AM IF GND SD ST FM DET VDD MUTE FM/AM MONO
IC231 LA1844ML
AM FM PILOT
AM OSC AFC AM RF AGC DET OUT DET OUT PLL IN MPX IN CLL OUT RCH LCH
24 23 22 21 20 19 18 17 16 15 14 13
6.3 2.1 2.1 0.6 0.5 2.6 2.6 2.1 1.3 1.3 5.3
0.9 0 0.9 0
C2317
4.7;50
C2307 R2308
56K
10;50
C2308 R2309
0.018 47K
D2451
1SS133
R2464
R2461
R2462
R2463
- 27 -
R2306
2.7K
C2321
1;50
5.0
R2301
0.7
100
R2311
100
C2319
0.022
C2320
0.022
R2712
120K
R2812
120K
(TO AMP)
+5.6V
11
A.GND
10
TU_R
9
TU_L
8
7 +9.4V
1K
TU_DO
6
1K
TU_CE
5
1K
TU_DATA
4
1K
TU_CLK
3
2 GND
RDS
1