– 23 –
CD-C622/C2900
Figure 23 SCHEMATIC DIAGRAM (4/10)
7
8
9
10
11
12
R365
680
C335
560P
C330
8.2P(UJ)
C334
22P(UJ)
C331 0.047
T331
R321
120
R350
47K
C358
0.0015
R360
220K
R340
5.6K
C355 220P
C350 220/10
C349 0.022
C337 10/16
C333 0.022
C356 3.3/50
T333
C351 0.0022
C354 220P
R359
3.9K
Q350
2SC3331
R349 1.5K
IC302
LC72131
PLL(TUNER)
R348
33K
R347 3.9K
R362 390
Q344
KRA102 M
C353 0.018
C367
1/50
C363
0.015
C360 0.022
L343
100
µ
H
ZD351
MTZJ5.1B
IC303
LA1805
C364 0.015
C361
22/25
R379 2.2K
D342
1SS133
R369
2.2K
R352
15K
C359
0.022
0
R381
10K
CF351
C369
47/25
338
00P
C357 3.3/50
R361 10K
Q343
KRA109 M
R356 10K
R375 1.2K
VR351
6.8K(B)
7 16 15 14 13 12
11
10
9
8
7
6
24 23 22 21
20 19
18
17
16
15 14
13
12
11
10
9
8
7
6
5
4
3
2
1
VD331
SVC348S
C366 1/50
C365 1/50
C383
0.022
C395
0.022
P25 12 - C
TO MAIN/DECK SECTION
T352
T351
10
18
2
19
20
21
22
23
24
R317
820
NC
NC
NC
NC
5.1V
4.4V
11V
10.9V
0.2V
TP302
VDD
FM IN
AM IN
IO2
IF IN
IO1
BO4
BO1
DO
OSC
AM
AM +B AM
AM
AM
AM
RF
FM +B
FM
DET
DET OUT
FM IF IN
MIX
IF
GND
ST IND
TUN
IND
L CH
R CH
/FM
VCO
FM– M/ST
MPX
–IN
D_GND
CLK
DI
CE
DO
CHASSIS
GND
AM ANT.
AM OSC.
+B
2
1
3
FM DET.
AM IF
VCO
+B
+B
TUN_R
A_+12V
A_GND
TUN_L
+B
+B
+B
2
3
1
1
2
3 8.4V
FM/AF IF MPX.
AM BAND
COVERAGE fL
AM TRACKING
fL
FM/AM
SWITCHING
Summary of Contents for CD-C2900
Page 71: ...CD C622 C2900 71 16 M E M O ...