Panasonic SA-PM65MD Service Manual page 125

SCHEMATIC DIAGRAM-17
POWER CIRCUIT
CP502
7
TO
6
MAIN
5
CIRCUIT
4
(CS502) on
3
SCHEMATIC
2
DIAGRAM-13
1
Q903 Q906
2SC1740SRTA
2SB1566E
5V REGULATOR REGULATOR
Q904 Q907
2SC1740SRTA 2SC1740SRTA
5V REGULATOR 9V REGULATOR
Q905
2SB1566E
Q908
RVTDTA143TST
REGULATOR
REGULATOR
<9.12V>
Q905
(9.12V)
((9.07V))
R921 1.2
<18.86V>
(18.89V)
((18.63V))
R922
1.2
<18.25V>
(18.29V)
R923
((18.01V))
1.2
R924
C922
0.01 100K
<18.90V>
(18.94V)
((18.70V))
<18.66V>
(18.90V)
((18.64V))
Q907
<18.25V>
(18.29V)
Q908
((18.02V))
<5V>
(5V)
((4.98V))
<4.41V>
R927
(4.41V)
1.2K
((4.38V))
<4.41V>
Q906
(4.41V)
((4.38V))
2 6
1 3 4 5 7 8
CP501
TO
MAIN CIRCUIT
(CS501) on
SCHEMATIC
DIAGRAM-13
TO
MAIN CIRCUIT
(PW901) on
SCHEMATIC
DIAGRAM-13
CP901
1
2 3 4 5 6 7 8
Q2
2SD592ARTA
REGULATOR
R13 10
Q909
2SB621AQRSTA
<5.83V> <9.37V>
REGULATOR
Q3
(9.4V)
(5.83V)
Q2
<28.92V>
((5.82V)) ((9.12V))
(28.96V)
<9.37V>
((28.96V)) <50.2V>
(51.1V) (9.4V)
Q909
((9.13V))
((50.7V))
C22 R22
0.01 820K
D20
RVD1SS133TA
D21
1SS291TA
D634
R629
2.2K
D633
R628
4.7K
D906 D905
1D3E RL1N4003N02
VCC
Q903
D902
<5.08V>
<13.06V>
(5.07V) (13.08V)
((5.05V)) ((12.88V)) C902
0.01
D904
<12.44V>
C904
(12.46V)
((12.25V))
0.01
R917
100K
R916
2.2K
<4.99V>
Q904 (4.99V)
((4.97V))
<4.39V>
(4.38V)
((4.36V))
TO
POWER CIRCUIT
(CP902) on
SCHEMATIC
DIAGRAM-17
PW902
1 2 3 4 5 6 7
Q3
2SD592ARTA
REGULATOR
<13.18V>
(13.18V)
((13.17V))
D17
R19
1D3E 33
D6
RVD1SS133TA
D18
1D3E
D19
MTZJ7R5ATA
: -B signal line
: +B signal line
: Main Signal line
IC404
AN7194K-LD
LOW CHANNEL
POWER AMPLIFIER
1
2 3 4
D636
D637
R635
150K
R458
2.2K C456
0.33
D635
<0.02V>(0.02V)
((0.02V))
R/F &
STB.
D901
1 2 3
C901
0.01
D903
C903
0.01
C900
C442
0.1
1000P
C441
25V10
R540
<0V>
100
<0V>
Q432
(0V)
(0V)
((0V))
R440
((0V))
<0V>
100
(0V)
((0V))
<0V>
Q532
(0V)
((0V))
1 2 3 4 5 6 7
CP902
TO
TRANSFORMER
CIRCUIT
(PW902) on
SCHEMATIC
DIAGRAM-17
TO
POWER
CIRCUIT
(PW503) on
SCHEMATIC
DIAGRAM-17
CONSTB
SYS6V
D8
C6
<0.76V>
50V47
(0.76V)
((0.76V))
R2
4.7K
C9
<0V>
0.022
(0V)
((0V))
R4 10K
L8 R11
2.2µ 2.2
R10
2.2
D11
RL1N4003N02
FP2 5000
RSFMB50KT-L
D10
FP1 5000
RSFMB50KT-L
RL1N4003N02
IC404
10 11 12 13 14 15 16
5 6 7 8 9
C462
470P C562
470P
IC403
AN7135
FULL RANGE POWER AMP
VCC
I/PGND
4 5 6 7 8 9 10 11
C542
1000P
C616 C444
C544
16V100
16V100
50V1
C541
25V10
D601
RB441Q40T77
<0V>
<17.22V>
(0V) <17.2V>
((0V)) (17.23V)
(17.21V)
((17.08V))
((17.07V))
R627
1.2K
<0V>
(0V)
<0.66V>
((0V))
Q613
(0.65V)
((0.66V))
D632
RVD1SS133TA
R442 C447 R441
1 0.22 1.2
R542 C547 R541
0.22 1.2
1
PW503
TRANSFORMER CIRCUIT
CS503
R443
1
2
C448
3
10V220
4
5
R543
82
6
R5 2.2
RL1
RSY0040M-0
RTP1H3E001
C2
3 1
0.01
Q1
4 2
Q1
15
3
2SC1740SRTA
C1
2 SWITCHING
14
1000P
13
12
( EG 220-230V )
11
4
10
( EB 230-240V )
9 6
8
T1
RTP2W3B002
JK606
1 +
SP(WOOFER)_L
-
2
-
3
SP(WOOFER)_R
4
+
1 +
SP(FULL)_L
-
2
-
3
SP(FULL)_R
4 +
JK607
C450
0.047
C550
0.047
12
Q432
2SC1740SRTA
MUTING
Q532
2SC1740SRTA
MUTING
Q613
RVTDTA114EST
SWITCHING
6 5 4 3 2 1
TO
TRANSFORMER
CIRCUIT
(CS503) on
SCHEMATIC
DIAGRAM-17
9
8
JK605
82
7
6
2
HEADPHONES
3
4
5
1
F1
250V
T630mA
FH2 FH1
T2
Z1
JK1
L1
RLQZ371 EG : AC220-230V
50Hz
EB : AC230-240V
50Hz