Schematic Diagram - Amp Section (Cmt-A70 Only) - Sony CMT-A70 Service Manual

6-17. SCHEMATIC DIAGRAM – AMP Section (CMT-A70 only) –
R504
100k
R502
4.7k
C530
100p
C533
(CHASSIS) 1000p
CN501,502
POWER OUT
TO MAIN UNIT
CN501
7P
SIGNAL L
SIGNAL GND
SIGNAL R
SIGNAL GND
AMP-STANDBY
PROTECT
A MUTE
CN502
9P
UNREG GND
UNREG GND
(Page 31)
+14V
RELAY ON
AC CHK
R608
SUB GND
47k
SUB +
UNREG GND
UNREG GND
CMT-A50/A70
• See page 40 for IC Block Diagrams.
POWER AMP
IC501
STK433-070
Q502,511
MUTING
Q502
DTC343TS-TP
Q511
DTC343TS-TP
C506
C508
10
470p
50V
R556 10k
R566 C502 R558
1k 10 10k
R508 2.2k
50V
R510
R545 4.7k
47k R505
R563 R530 0
C504 470p
1k 1k
C540
47p
R544 4.7k
R554 C539
1k 47p
R555 10k
Q501,510 AEP,UK,IT R507 2.2k
R501 R546
4.7k 1k MUTING EE,RU
C501 R506 C503
10 0 470p
R529 50V
1k
C505
R503 R557 C507
10
100k 10k 470p
50V
Q501
Q510
DTC343TS-TP
DTC343TS-TP
R531 R550 R509
10k 4.7k 47k
C522 C521
22 50V 22 50V
R549 D509 Q506
10k 1SS133T-77 KTC3199GR-TP
STANDBY
SWITCH
C531
R548 R565 47
22k 10k 50V
R532 R533
2.2k 2.2k
Q503,504
D515 MUTING
1SS133T
CONTROL
-77
Q504
Q503
C534 KRA102S-RTK Q505
KRC102S-RTK
0.01 KRA102S-RTK
POWER
ON
MUTING
R535
10k
R567
10k
R569
4.7k
D512
R570 Q512
MTZJ-T-77-5.1B
10k KTC3199GR-TP
THERMAL DETECT
C536
R573
4.7
47k
50V
D517
1SS133T-77
R552 R553
1 1 R574
47k
C510 C511 C513 R519
R513
22p 0.22 0.1 10
0.22
50V 1/2W
2W
R560 R512
10k 47k
R515
R559 R511 1k
10k 47k
C509 R517
Q507
22p 10k R537
KTA1266-GR-AT
100k
R561 OVER ROAD
D503
4.7k
(US,CND,AUS) DETECT 1SS133T
D501 -77
FB501 1SS133T
-77
FB501
D502
(AEP,UK,IT,EE,RU) 1SS133T
-77 Q508
KTA1266-GR-AT
R562
4.7k OVER ROAD
DETECT
R518 R538
10k 100k
R516
1k
R514
C512 R520
0.22
R551 0.22 C514 10
2W
100 50V 0.1 1/2W
R534
220k
C601 C602
2200 50V 2200 50V
C607 C608
1000 50V 1000 50V
37 37
FAN +
FAN -
FAN +
CN506
3P
CN507
2P
R568
4.7k
D518
MTZJ-T-77-12B
R572 Q515
10k KTC3205Y-AT
C538
10
R578
50V Q513-515
470
FAN MOTOR
DRIVE
R577
2.2k
Q514
KTA1273Y-AT
Q513
KTC3199GR-TP
R575 R576 R540 D504 C525
10k 100k 1k 1SS133T-77 1 50V
D516
1SS133T-77 R547
100
PROTECT
CONTROL
IC502
RT8H015C-T112-1
Q509
KTC3199GR-TP
PROTECT
SWITCH C527
1000p
C528
C524 R539 10
0.1 470k 50V
C526
R541
100
100
10V
R524 R523
47k 47k
R564
10k
SIGNAL L
SIGNAL GND
CN504
2P
L501
CN503
3P
L502
SIGNAL R
NC
SIGNAL GND
C518 C517
0.1 0.1
CN505
C520 C519
15P
0.1 0.1
POWER DET
R528 R527
10 10 +14V
1/2W 1/2W
UNREG GND
+VCC
+VCC
UNREG GND
UNREG GND
UNREG GND
UNREG GND
-VCC
-VCC
RELAY ON
AC CHK
SUB GND
SUB +
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
CMT-A50/A70
Ver. 1.2
M501
(FAN)
CNP507
2P
THP501
(L-CH)
(L-CH)
J501
SPEAKER
SPEAKER UNIT
OUT
(R-CH)
SIGNAL R
R
SIGNAL GND
CNP501
2P
(Page 39)
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.