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6-15. SCHEMATIC DIAGRAM – AMP Board – •
R501
2.2k
R515
C617
100k
0.001
(CHASSIS)
R565
100k
CN601
9P
SIGNAL L
SIGNAL GND
SIGNAL R
R551
AC DET(SWTCHING)
2.2k
AMP POWER
LINE MUTE
D 4V
(Page 31)
SPEAKER RELAY
PROTECT
C610
22
50V
C611
22
50V
See page 42 for IC Block Diagram.
POWER AMP
IC601
STK433-040
(AEP)
STK433-060
(UK)
∗
R506,556
1.8k
(AEP)
1.5k
(UK)
R606
C501
C502
1
10
220p
R503
50V
1k
R505
0
R607
1
Q501
2SC3623ATP-LK
MUTING
R506
∗
C503
R502
47
56k
50V
C553
R552
C554
47
R553
56k
470p
50V
1k
R556
Q551
∗
2SC3623ATP-LK
MUTING
R555
0
C551
10
50V
C552
22Op
Q601
D611
KRA102S-RTK
1SS133T
-72
C612
POWER ON
220
R603
MUTING
50V
2.2k
R604
2.2k
Q602
KRA102S-RTK
KTC3199GR-RTK
Q602,603
MUTING CONTROL
R601
R602
10k
220k
R605
4.7k
Q603
KRC102S-RTK
(UK)
R616
R618
10k
10k
D608
1SS133T
-72
R617
10k
Q607
D607
KTC3199GR-RTK
MTZJ-T-73
TEMPERATURE
-5.1B
DETECT
R510
D609
0.22
1SS133T
2W
-72
C506
0.22
R508
50V
1k
R507
56k
R509
R511
Q502
15k
100k
KTA1266-GR-AT
C505
C507
15p
OVER LOAD
0.1
DETECT
R512
D501
10
1SS133T-72
1/2W
R562
C603
D551
R561
10
0.001
1SS133T-72
100k
1/2W
R559
C557
15k
0.1
R557
56k
R558
1k
Q552
C555
KTA1266-GR-AT
R560
15p
0.22
OVER LOAD
2W
DETECT
C556
0.22
50V
R608
100
D603
1SS133T
R609
-72
10k
Q604
R610
33k
STANDBY
SWITCH
C613
10
50V
C614
2200
50V
C615
2200
50V
35
35
C609
D610
2.2
1SS133T-72
50V
R619
PROTECT
1k
CONTROL
R626
IC602
100
RT8H015C-T112-1
Q608
KTC3199GR-RTK
PROTECT
SWITCH
C606
R625
0.001
100
C608
C605
C607
100
C616
R628
R622
R624
100
10
10V
0.1
470k
22k
1k
10V
50V
D612
R620
1SS133T
4.7k
-72
Q610
KTC3199GR
-RTK
Q611
Q610,611
KTC3199GR
RELAY
-RTK
DRIVE
Q609
KTC3199GR
-RTK
C604
RELAY OFF
R621
10
100k
SWITCH
50V
R563
R513
56k
47k
Q605
KTA1266-GR-AT
R615
470 2W
(AEP)
R613
560 2W
(UK)
10k
Q605,606
R614
10k
RELAY
R514
470
B+ SWITCH
2W
R611
10k
Q606
R564
KTC3199GR-RTK
470
R612
2W
100k
HCD-GPX5
CN603
6P
RELAY -
RELAY +
GND RCH
GND LCH
SP OUT LCH
SP OUT RCH
(Page 33)
CN602
7P
-POWER
POWER GND
+POWER
GND LOW
UNREG HI
GND HIGH
(Page 41)
AC DETECT
CN604
3P
HP LCH
HP GND
HP RCH
(Page 39)
CN605
3P
GND (REF)
GND (CD DIGITAL)
GND (REF)
(Page 33)
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
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