Sharp CD-C449W Service Manual page 31

17
04 M
3
4V
0V
QL18
KRC104 M
2 3
0V
12.5V
1 0V
2 3 0V
QL19
12.5V
KRC104 M
1
0V
RL24
3.3K
CL13
3.3/50
2SC2878 A
0V
RK47
10K
0V
CK10
47/25
CK35 1 0V
0V
0.022
2
3.8V
3
CK37
RK39
0.018 QK15
560
KRC104 M
7
RK41
CK41
K
CK31 82
47/25
CK39
470P
LK01
0.0033
1.8mH
CK33
22/25
V 0.6V
3.1V
8
7 9
NOR/CrO
–
56K
+
ICK01
HIGH=CHROME
PLAYBACK AND RECORD/PLAYBACK AMP.
+
AN7345K
–
56K
18 17
16
0.6V
0V 3.0V
CK34
22/25
LK02
CK40
CK42
1.8mH
38
0.0033 47/25
K
RK42
CK32 QK16
82
470P KRC104 M
RK40
2 3
560
CK38
1
0.018
CK36
0.022
6 CK30
HI.SP
K 470P
7
TA2F/R SPEED
TA2MOT2SW
M212V
TA2SOL
T22A2FP
TA2CAM2SW
M2GND
T12RUN
DL11
1SS133
0V
1
2 T22RUN
0V 4.1V
3
QL16
KRC107 M
T22B2FP
T12CRO2
PB.MUTE
QK17
QK18
2SC2878 A
RK48
RK43
0V
10K 10K
0.7V
0.7V
CK43 0V
CK44
0.022
0.022
0V
1
2 HI.SP
3
0V 3.8V
RK57
QK19
4.7K
KRC104 M
RK50
CK46
10K
220/10
CK45
22/25
CK47 RK58
0V 3.8V 6.3V 0.022 470
15 14 13
2
ALC ALC GND
11 12
10
0V 0V
3.0V
CK62
0.047
RK52
RK46
1K
10K
8
Figure 29 SCHEMATIC DIAGRAM (8/15)
QK26
RK62
KRC104 M
47K
12.5V
12.5V
QK24
2
BIAS
KTA1266 GR RK64
4.7K
0.3V 0V
1
QK25
KTA1266 GR
0.3V 0.26V
1
RK60 RK61
RK63
270 270
10K
2
0.27V
0.3
RK65
V
10K
QK27
LK03 KRC104 M
1mH
RK66 RK67
27K 47K
0.3V
QK28
CK50 0.3V 2SC2236 Y
0V
0.0082(P.P)
RK68
4.7
CK52
47/16
LK04 QK22
CK51
330µH KTC3199 GR
0.027(ML)
0V
0.7V
0V RK54
10K
9 10
– 29 –
MAIN PWB-A(4/4)
CK55
0.022
3
0V
0V
QK30
0V 0V
KRC104 M
3
3
1
0V
QK40
RK81
KRC107 M 5.4V
2
6.8K
5.4V
3
1
0V
5.4V
3
2
0V
1
0V
QK29
KRC107 M
2
0V
RK75
RK74
RK55 82K RK73
82K
27K
33K
RK56
33K
0V RK72
27K
0.7V
QK21
KTC3199 GR
RK53 0V
10K
11
CD-C449W/K449W
TA_F/R SPEED
3
4 TA_MOT_SW
M_12V
1
5 TA_SOL
T2_A_FP
6
TA_CAM_SW
7
2 M_GND
T1_RUN
8
9 T2_RUN
T2_B_FP
10
11 T1 Cro2
T2 Cro2 H:Cro2
12
L: NORM
TA T1/T2H:T1 L:T2
13
PB.MUTEH:ON L:OFF
14
PRE L-CH
25
HI. SP H:LOW L:HIGH
16
PRE R-CH
26
GND(A)
22
12V(A)
21
BIAS H:ON L:OFF
15
REC L-CH
23
REC R-CH
24
TA R/P @ H:PB L:REC
17
REC MUTE
18
TA BE EQ L:NORM
19
H:Cro2
GND(BIAS)
20
12