Service manual

– 29 –
CD-K491W
Figure 29 SCHEMATIC DIAGRAM (8/20)
7
8 9 10 11 12
CP57
22/25
RP73
22K
QP11
KTC3199GR
RP29
5.6K
CP25 0.001
CP26 0.001
RP30
5.6K
QP12
KTC3199GR
CP28 0.022
CP27
0.022
RP31
220
QP17
KRC107 M
SWITCHING
RP91 100
CP91
100/6.3
CFWP02
FWP02
CFWP01
FWP01
CNPP01
CNPP02
WTP02
7
3
QP15
KTC3199GR
RP70
5.6K
RP62
5.6K
CP47
0.001
CP53
0.001
QP16
KTC3199GR
S-MUTE
POWER
S-MUTE
–15V
GND(A)
+12V(A)
GND(D)
+4.6V(D)
RELAY4 RELAY3
+12V(M)
GND(M)
+7.3V(CD)
CD GND(D1)
CD GND(D2)
PROT
FAN CONT
RELAY1
SP LEVEL
H/P SW
POSISTOR
VOL SW
OUT3
H/P SW
VOL SW
RELAY2
OUT1(L-CH)
RELAY1
GND(A)
FAN CONT
OUT2(R-CH)
SP LEVEL
PROT
+5V(AC3-A)
GND(D3)
GND(D4)
CD GND(D1)
POWER
+5V(AC32A)
GND(D3)
+12V(M)
AMP
VF1
–VP
VF2
+4.6V(D)
GND(D)
+12V(A)
–15V
+5V(AC3-B)
RELAY4
RELAY3
OUT5
GND(A)
OUT4
OUT6
+B
1
13
OUT6
RELAY4
OUT4
GND(M)
+12V(M)
GND(A)
FAN SW
RELAY3
VOL SW
PROT
AMP
POSISTOR
1
16
VOL SW
FAN SW
+12V(M)
GND(M)
GND(A)
H/P SW
FAN CONT
RELAY1
OUT1(L-CH)
RELAY2
OUT3
OUT2(R-CH)
SP LEVEL
POSISTOR
PROT
AMP
+B
1
2
3
+B
GND(M)
+12V(M)
+12V(A)
GND(A)
–15V(A)
+4.6V(D)
GND(D)
+7.3V(CD)
CD GND(D2)
VGND
VOLTAGE
REGULATOR
QP91
2SD468 C
VF2
–VP
VF1
TO DISPLAY PWB
P36 1-B
FWD02
+B
+B
+B
VGND
+B
–B
+B
+B
–B
+B
GND(A)
FM SIGNAL
TO SPEAKER
AMP.2 PWB
P38 1-B
TO SPEAKER
AMP.1 PWB
P38 1-F
CFWX11
CFWV11
TO POWER PWB
P40 1-H
CNS901
TO POWER PWB
P40 6-H
CNS902
TO POWER PWB
P41 8-H
FW901
TO MAIN SECTION
P25 12-B
QP13
KTC3199GR
RP47 5.6K
CP37 0.001
CP38 0.001
RP48 5.6K
9
GR
GND(A)
+B
123
13
12
11
10
9
8
7
6
5
4
3
1
16
7
6
5
8
9
4
3
1
10
11
12
13
14
15
2
3
5
11
10
4
1
1
2
3
4
1
2
3
WTP01
2
OUT5
2
POSISTOR
6
7
8
9
GND(D4)
535251
50
494847
46454443424140393837363534
RELAY2
29271918283318
MAIN PWB - A ( 3 / 5 )