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9.5. AUDIO AMP SCHEMATIC DIAGRAM
NOTE:
FOR SCHEMATIC DIAGRAM AND CIRCUIT BOARD LAYOUT NOTES,
REFER TO BEGINNING OF SCHEMATIC SECTION.
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.
NOTE:
PARTS MARKED "PT" ARE NOT USED.
AUDIO AMP SCHEMATIC DIAGRAM
R4506
15K
R4510
470
R4511
470
R4507
15K
C4501
1000/35V
C4502
1000/35V
D4501
MA4051-M
R4502
15K
R4501
4700
Q4501
2SD601ARS
R4503
10K
C4503
10/16V
P4501
1
+Vs
2
GND
3
-Vs
C4504
0.1
C4505
0.1
R4508
33K
R4509
33K
C4506
0.047[KB]
C4507
0.047[KB]
R4512
470
R4513
470
C4509
0.068[KB]
C4508
0.068[KB]
C4512
0.1
C4513
0.1
R4505
4R7
R4504
4R7
PT
C4520
C4511
1/50V[N]
C4510
1/50V[N]
R4517
PT
PT
C4521
R4521
PT
C4523
PT
R4520
PT
R4516
PT
C4522
PT
C4514
10/50V
C4516
10/16V
R4524
PT
R4525
0
C4526
10/16V[N]
Q4504
2SD601ARS
Q4505
2SD601ARS
R4526
820
R4527
4700
D4504
MA167
IC4503
TA78M12S
13
2
C4528
4R7/25V
P4503
4
SP_OUT_L
3
AMP_GND
2
SP_OUT_R
1
AMP_GND
P4502
PT
7
SW_IN_L
6
SW_OUT_L
5
H/P_IN_L
4
AMP_GND
3
H/P_IN_R
2
SW_IN_R
1
SW_OUT_R
P4505
1
AMP_L_AUDIO
2
AUDIO_G
3
AMP_R_AUDIO
4
AUDIO_G
5
AMP_MUTE_L
6
5V
IC4502
PT
12345
8910 67
C4518
PT
C4519
PT
R4519
PT
R4518
PT
R4528
PT
R4529
PT
R4530
PT
R4531
PT
R4532
PT
R4533
PT
Q4506
PT
Q4507
PT
R4534
PT
R4535
PT
R4536
PT
R4537
PT
R4538
PT
R4539
PT
R4540
PT
R4541
PT
Q4508
PT
C4529
PT
R4542
PT
R4544
0
R4543
0
C4530
PT
C4531
PT
C4532
PT
C4533
PT
C4535
PT
C4534
PT
C4536
PT
C4527
10/16V[N]
R4545
0
R4546
0
R4547
PT
R4548
PT
J4504
PT
J4505
PT
J4502
PT
J4501
WA7.5
RL4501
ALA2PF12
12
6
3
45
IC4501 TDA7265
GND-Vs-Vs +Vs
ERX1SJ4R7P
ERX1SJ4R7P
VCCPOWER_G
3.3V
PRE_G
POWER
ON_H
MUTE_L
2SD601A
1K
10K
2SD601A
330
47K
22
2SB710ARS
10/16V
10/16V
47K
47K
22/6.3V
1/50V[N]
1/50V[N]
0
0
100/6.3V
100/6.3V
0
10K2700
0.1[KB]
0.1[KB]
2R7
2R7
1234567891010
(AUDIO AMP)
AUDIO SIGNAL
TO REAR JACK
C.B.A. P3603
(TO POWER C.B.A.)
TO NETWORK C.B.A. P4553
SWITCHING
AUDIO MUTE-ON
SWITCHING
AUDIO MUTE-ON
SWITCHING
AUDIO MUTE-ON
P1011
P1010
P1009
(+12V REG.)
+- -+
(5.1V)
+12V
REG.
(FOR L-CH SPEAKER)
TO NETWORK C.B.A. P4553
(FOR R-CH SPEAKER)
LSJB3092
AUDIO AMP SCHEMATIC DIAGRAM
PT-50LC13
LINK TO VOLTAGE CHART
PT-50LC13
69