Panasonic SC-EN17P Service Manual page 25

SCHEMATIC DIAGRAM-5
I
POWER AMP CIRCUIT
H
CS602
VOLOUT Lch 10
9
ASP GND
G VOLOUT Rch 8
7
To C MAIN MUTE B
D3.3V 6
CIRCUIT(CP602)
5
on SCHEMATIC M5.5V
CD DGND 4
DIAGRAM-3
3
CD PGND
-6V D9V 2
1 R605
TU GND
A
1K
P.CONT 14 B
LED GND 13
D9V 12
BUP3.3V 11
F
STBY3.3V 10
To C MAIN
VREF- 9
CIRCUIT(CP601)
AC DET 8 C
on SCHEMATIC
D
AUX Lch 7
DIAGRAM-3
AUX GND 6
E
AUX Rch 5
CD OPEN 4 F
G
CD CLOSE 3
CD TOP SW 2 H
I
CD BOTTOM SW 1
CS601
E
D
Q619
R641
1K
0V
C
R639
1K
R630
B
220
A
1 2 3
:POSITIVE VOLTAGE LINE :MAIN SIGNAL LINE
IC601
C1BA00000379
POWER AMP
DC
1 2
12.7V 0V
C402
RJ601
50V0.22
0
C502
50V0.22
R601
6.8K
Q616
UNR511100L
R607
MUTING CONT.
3.3K
1.2V
(0V)
Q603
B1BCCG000002
REGULATOR D602
B0EAKM000118
3.5V 6.7V
Q605
B1BCCG000002
6.1V REGULATOR
6.1V
3.3V
2.7V
Q604
2SD1819ARL
STABILIZER
D605
RVD1SS133TA
Q607
Q620,621
Q611
2SD1819ARL
UNR511100L
B1ACND000003
STABILIZER
SWITCHING
REGULATOR
5.8V 7.5V
Q621 Q620
5.8V
5.8V 6.9V
5.7V
5.7V
R612
2.2K
3.5V
3.5V
5.7V
Q617 Q612
7.5V 6.9V
R629
1K
3.5V 3.3V
2.8V 2.8V
5.7V
0V
Q612,617
Q618
2SD1819ARL
STABILIZER
Q618,619
UNR521F00L
Q613 Q615
SWITCHING
KTA2014GRRTK B1BAAJ000003
POWER SUPPLY REGULATOR
4.1V 4.1V 4.1V
3.4V 4.7V
Q614 R631
0V
1K
UNR521F00L 7.5V
POWER SUPPLY
CONT.
4 5 6
:AM SIGNAL LINE
(Lch)
(Rch)
PRE STAND PWR PWR
V 1 V 2
GND BY CC CC GND2 GND1
3 4 5 6 7 8 9 10 11 12 13 14
0V 4.5V 1.7V 15.2V 15.2V 6V 6V 6V 6V
(0V) (14.8V) (14.8V) (5.7V) (5.7V) (5.7V) (5.7V)
(-0.4V)
0.6V
(14.8V)
R651 15.2V
100K
Q608
R622 1
B1ACND000003
R621 1
POWER SUPPLY
R620 2.2
(14.6V) (14.8V)
(14.6V)
15V 15.2V
9V 15V
Q606
14.4V
14.4V
KTA2014GRRTK (14V)
(14V)
REGULATOR
Q651
2SD1819ARL
2.8V
SWITCHING
(14V)
R617 R618 R619
2.8V
14.4V
100 680 680
8.8V 0V
Q609
8.3V
UNR521400L
POWER SUPPLY CONT.
J
MOTOR CIRCUIT
D611
RVD1SS133TA
B
W351 CP351
F 1 1
G
D610 2 2
RVD1SS133TA
A 3 3
4 4
5 5
H
6 6
7 7
I
8 8
C
K
RECTIFIER CIRCUIT
FP602
(14.8V) R901
K5G251A00008
1K
15.2V
W901
CP901
1 1
2 2
3 3
4 4
7 8
25
7
6
C406 16V22 R403 150
2
C506 16V22 R503 150
3
4
R406
5
10K
1
R506
10K
Q501
Q401
0V 0V
(-0.4V) (-0.4V)
0.6V 0.6V
Q401,501
B1ABGD000017
MUTING
(14.8V) R509
15.2V 27K
E R
R409
27K
14.5V
D L
(14V)
G
2
0.2V
1
CP2
1
2
IC351
DIRECTION
DRIVE
C0GAE0000007
SELECT
MOTOR DRIVE
1 2 3 4 5 6 7 8 9
0V 0V 5.8V 0.4V 0.4V
M
S351
(CD TOP DET.)
M351
(LOADING
MOTOR)
S352
(CD BOTTOM DET.)
L
POWER TRANSFORMER CIRCUIT
D906
RVD1SS133TA
T901
W902 W9021
4 4
L901
3 3
2 2
1 1
SA-EN17(P,PC) POWER AMP,MOTOR,RECTIFIER,POWER TRANSFORMER CIRCUIT DIAGRAM
9 10 11
SC-EN17P / SC-EN17PC
JK601
PHONES
JK602
Lch
SPEAKERS
(6 )
Rch
JK603
AUX
JK605
AM ANT
B
To TUNER CIRCUIT
GND
(W2) on SCHEMATIC
AM SIG. DIAGRAM-2
F901
JK901
800mA
AC IN
(120V 60Hz)
12