Audio Amp Schematic Diagram - Panasonic PT-60LCX64-K Service Manual

PT-60LCX64-K

12.11. AUDIO AMP SCHEMATIC DIAGRAM

AUDIO AMP SCHEMATIC DIAGRAM
( TO POWER C.B.A. ) P4501
+Vs
P1009 1
GND
P1010 2
P1011 -Vs
3
TO FRONT JACK
P4502
C.B.A. P4591
PT
R4545 0
SW_IN_L 7
6
SW_OUT_L
5
H/P_IN_L
4
AMP_GND
H/P_IN_R 3
R4546 0
SW_IN_R 2
SW_OUT_R 1
P4503
TO NETWORK C.B.A.P4553 SP_OUT_L 4
(FOR L-CH SPEAKER)
AMP_GND 3
SP_OUT_R 2
TO NETWORK C.B.A.P4553
AMP_GND 1
(FOR R-CH SPEAKER)
AUDIO AMP
AUDIO SIGNAL
IC4503
C0CAAKE00013
(+12V REG.)
+12V
1 3
REG.
2
IC4501 C1AA00000660
C4512
-Vs +Vs
0.1
C4513 1 2 3
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,
be sure to use the part number listed in the parts list.
Do not use the part number on this diagram.
R4520
R4521
PT
PT
2R7
2R7
C4534
C4535
PT 100/6.3V
PT 100/6.3V
10 9 8 7 6
MUTE_L POWER_G VCC
IC4502
PT
POWER
PRE_G
ON_H
1 2 3 4 5
C4522 PT
22/6.3V
R4517
47K
PT R4516
47K
PT
C4532
C4533
(AUDIO AMP)
PT 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
204
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
NOTE:
PARTS MARKED "PT" ARE NOT USED.
J4502
PT
Q4506
R4536
PT 2SB710ARS
PT 22
R4533
PT
47K
C4536
PT
Q4507
PT 2SD601A
Q4508
PT 2SD601A
TO REAR JACK
C.B.A. P3603
P4505
6 +5V
5 AMP_MUTE_L
4 AUDIO_G
3 AMP_R_AUDIO
2 AUDIO_G
1 AMP_L_AUDIO
J4501
WA7.5
AUDIO AMP SCHEMATIC DIAGRAM
PT-43LCX64/PT-50LCX64/PT-60LCX64
LSJB3092