Panasonic PT-43LCX64 Service Manual page 19

AUDIO AMP SCHEMATIC DIAGRAM
IC4503
C0CAAKE00013
(+12V REG.)
1
( TO POWER C.B.A. ) P4501
+Vs 1
P1009
P1010 GND 2
P1011 -Vs
3
TO FRONT JACK
P4502
C.B.A. P4591
PT
R4545 0
SW_IN_L 7
SW_OUT_L 6
H/P_IN_L 5
AMP_GND 4
3
H/P_IN_R
R4546 0
SW_IN_R 2
SW_OUT_R 1
P4503
SP_OUT_L 4
TO NETWORK C.B.A.P4553
(FOR L-CH SPEAKER)
AMP_GND 3
2
SP_OUT_R
TO NETWORK C.B.A.P4553
AMP_GND 1
(FOR R-CH SPEAKER)
AUDIO AMP
+12V
3
REG.
2
IC4501 C1AA00000660
C4512
-Vs +Vs
0.1
1 2 3
C4513
0.1
C4501
1000/35V
C4502
D4501
1000/35V
MAZ40510MF
R4501
4700
(5.1V)
Q4501
2SD0601AHL
SWITCHING
AUDIO MUTE-ON
R4524
PT
R4528
R4529
J4504
1K
WA5
1200
R4530
R4531
RL4501
1K
1200 K6B2AGA00038
6 5 4
PT
J4505
WA5
1 2 3
R4526 Q4505
Q4504
2SD0601AHL
2SD0601AHL
820
SWITCHING
SWITCHING
AUDIO MUTE-ON
AUDIO MUTE-ON
NOTE: For placing a purchase order of the parts,
AUDIO SIGNAL
R4520
R4521
PT
PT
2R7
2R7
C4534
C4535 PT
100/6.3V
PT 100/6.3V
10 9 8 7
MUTE_L POWER_G
IC4502
PT
POWER
PRE_G
ON_H
1 2 3 4
C4522 PT
R4517
PT 47K R4516
PT
C4533 C4532
(AUDIO AMP)
PT
+- -+
-Vs GND
4 5 6 7 8 9 10 11
C4511
R4544
C4510
0
1/50V[N] R4543
0
1/50V[N]
R4506 R4508
15K 33K
C4506
0.047[KB]
R4507 R4509
15K 33K
C4507
0.047[KB]
R4525
3.3V
0
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram. REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE:
PARTS MARKED "PT" ARE NOT USED.
J4502
PT
Q4506
R4536
PT 2SB710ARS
PT 22
R4533
6
PT 47K
VCC
C4536
PT
Q4507
PT 2SD601A
Q4508
2SD601A
PT
5
22/6.3V
TO REAR JACK
C.B.A. P3603
P4505
47K
6 +5V
5 AMP_MUTE_L
4 AUDIO_G
PT
3 AMP_R_AUDIO
2 AUDIO_G
1 AMP_L_AUDIO
J4501
WA7.5
LSJB3092
AUDIO AMP SCHEMATIC DIAGRAM
PT-43LCX64/PT-50LCX64/PT-60LCX64