Schematic Diagram - Amp, Power Supply Section (Cmt-A50 Only) - Sony CMT-A70 Service Manual

6-15. SCHEMATIC DIAGRAM – AMP, POWER SUPPLY Section (CMT-A50 only) –
R504
100k
C533
0.01
(CHASSIS)
CN501,502
POWER OUT
TO MAIN UNIT
CN501
7P
SIGNAL L
SIGNAL GND
SIGNAL R
SIGNAL GND
PSTBY
PROTECT
A MUTE
CN502
9P
(Page 31)
UNREG GND
UNREG GND
+14V
RELAY ON
AC CHK
SUB GND
SUB +
UNREG GND
UNREG GND
CMT-A50/A70
• See page 40 for IC Block Diagrams.
C537
R510 C508
0.47
47k 470p
50V
Q502,511
R568 MUTING R558
2.2k 10k
Q502
Q511 DTC343TS-TP
DTC343TS-TP
C506
10
50V
R566 C502 R530 R508 R556 R545
1k 10 50V 1k 2.2k 47k 10k
R546 R563
1k 1k
C501
10
R554 50V R505 C504
1k 100 470p
Q510 R506 C503
R567 DTC343TS-TP R557 100 470p R555 R544 R507
2.2k R529 10k 47k 10k 2.2k
1k
Q501,510
C536
0.47 MUTING Q501
50V DTC343TS-TP
C505
C507 R509
10
470p 47k
50V
C522 C521
22 22
50V 50V R531
10k
R549 D509
10k 1SS133T-77
Q506
KTC3199GR-TP
STANDBY
SWITCH
R548 R565
22k 10k
C531
47 50V
R532 R533 R534
2.2k 2.2k 220k
D506
1SS133T
-77
Q503 Q504 Q505
KRC102S-RTK KRA102S-RTK KRA102S-RTK
POWER ON
Q503,504
MUTING
MUTING
CONTROL
R535
10k
D515
1SS133T-77
R608
47k D505
MTZJ-T-77
3.9B
C529
1
50V
R543
22k
D514
D513 1SS133T-77
1SS133T-77
C610
C611 R606
2200
0.1 4.7k
25V
POWER AMP
IC501
STK453-030S
R552 R553
1 1
R513
0.22
2W
R560 R512
10k 47k
R515
C510
1k
22p
C509
22p
Q507
KTA1266-GR-AT
R559 R511 R517
10k 47k 10k OVER ROAD
DETECT
R561
4.7k
C534 D501
0.01 1SS133T-77
D502
1SS133T-77
R562
4.7k
R550
4.7k
R518
10k
R516 Q508
1k KTA1266-GR-AT
R551
OVER ROAD
100
DETECT
R514
0.22
2W
C602 C601
2200 2200
50V 50V
D601
C523 D3SBA20
R536
10
2.2k
50V
C603
0.1
C604
0.1
D508 R604
1SS133T-77 1k
D602 D603 C619 C606
C617
2A02M 2A02M 0.1 0.1
0.1
C605
C618 D605 D604 C620
4700
0.1 2A02M 2A02M 0.1
25V
D507 R605
1SS133T-77 1k
R607
D611 D613 T602
4.7k C612 C614
1SS133T-77 1SS133T-77
0.022 0.022 SUB POWER
TRANSFORMER
D614 D612
C613 C615
1SS133T-77 1SS133T-77
0.022 0.022
35 35
D504
1SS133T-77
C525
R547
2.2
100
50V
C511
R540
0.22
1k
50V
PROTECT
C513
0.1 CONTROL
R519
10
IC502
1/2W
RT8H015C-T112-1
Q509
KTC3199GR-TP
R537
PROTECT
100k
SWITCH
D503 C527
1SS133T 1000p
-77
C528
10
C524 R539
50V
0.1 470k
R520 C526
R538 R541
10 100
100k 100
1/2W 10V
C514 R524 R523
0.1 47k 47k
C512
R564
0.22
10k
50V
SIGNAL L
L501
SIGNAL GND
L502
C518 C517
0.1 0.1
C520 C519
CN503
0.1 0.1
3P
R528 R527 SIGNAL R
10 10
1/2W 1/2W NC
SIGNAL GND
(CHASSIS)
F601 T601
T3.15AL
MAIN POWER TRANSFORMER
250V
F602
T3.15AL
250V
R601
0.22
R602
0.22
* NOT REPLACEABLE:
BUILT IN TRANSFORMER
RY601
C609
D610
0.01
1SS133T-77
250V
F603
T0.8AL CN602
LF601
250V 2P
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
(L-CH)
CN504
2P
(L-CH)
J501
SPEAKER
SPEAKER UNIT
OUT
(R-CH)
CNP501
2P
SIGNAL R
R
SIGNAL GND
(AC IN)
Les composants identifiés par une marque 0 sont
critiques pour la sécurité. Ne les remplacer que
par une pièce portant le numéro spécifié.