Schematic Diagram - Amp Section - Sony HCD-GPZ6 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-15. SCHEMATIC DIAGRAM – AMP Section –
GPZ6:UK,KR/
GPZ7:AEP,EE,RU
C617
1000p
(CHASSIS)
CN601
11P
SIGNAL L
SIGNAL GND
SIGNAL R
AMP POWER
LINE MUTE
D 4V
T E
L 1 3 9 4 2 2 9 6 5 1 3
SPEAKER RELAY
(Page 33)
PROTECT
GND (REF)
GND (CD DIGITAL)
GND (REF)
w w w
HCD-GPZ6/GPZ7
• See page 44 for IC Block Diagrams.
POWER AMP
IC601
STK433-040(GPZ6:SP,AR,KR,AUS)
STK433-060(GPZ6:UK)
STK433-070(GPZ7)
∗
R509,559
2.2k(GPZ7)
10k(GPZ6:SP,AR.KR,AUS)
Q501,551
∗
MUTING R508,558
2.2k(GPZ6:UK)
C501
4.7k(EXCEPT GPZ6:UK)
R501 R503 10
2.2k 1k 50V
C502
220p
R518
10k
R504 R506
1k 0
R502
100k R507 R508 R509
∗ ∗
Q501 4.7k
2SC5938 R519
47k
C503 EXCEPT
47
GPZ6:UK
50V
C553
R568
Q551 47
47k
2SC5938 50V
R554 EXCEPT
1k
GPZ6:UK R569
10k
R552
100k R557 R558 R559
∗ ∗
4.7k
R556
0
C551
R551 R553 10
C552
2.2k 1k 50V
220p
R604
2.2k
Q602
RT1P141C-TP-1
Q602,603
C610
22 MUTING CONTROL
50V
D609
MC2836
R601 R602
10k 220k
Q603
RT1N141C-TP-1
C611
22
50V
x a o
y
. i
http://www.xiaoyu163.com
R617 R619
10k 10k
R618
10k
Q607
2SC3052
TEMPERATURE
D607
UDZTE-175.1B DETECT
R512
R511 1k
47k
R515
R513
0.22 2W
10k
D501
R510 R514
MC2838
10k 4.7k
C504
470p
C603
1000p
R564
GPZ6:UK,KR/
4.7k
R560 GPZ7:AEP,EE,RU
10k R563
10k
R561 R562
47k 1k
R565
0.22
2W
C555
22p
C554 R608
Q Q
470p 10
3 7 6
R606
1
R607
1
Q604 D603 R611
2SC3052 1SS355 10k
STANDBY
R605 SWITCH
4.7k
C613 R610 R609
10 22k 10k
50V
u 1 6 3
35 35
http://www.xiaoyu163.com
2 4
8 9 9
D610
1SS355
Q610,611 R626
R621
100
1k RELAY DRIVE
R623
10k Q610
KTC3205
Y-A
D612
1SS355
Q608
2SC3052
PROTECT
SWITCH
Q611
D608
KTC3205
MC2838
Y-A
R627
Q609 1k C606
2SC3052 0.001
C604
RELAY OFF C605 C607
C616 R622 10 R624 R625
100 10
0.1 470k 50V 100k SWITCH 22k
10V 50V
C507
0.1
Q605,606
RELAY
R517
10 B+ SWITCH
Q502 1/2W
2SA1235 R516
Q605
100k
C506 2SA1235
0.22
50V
C556
Q552 R566 R613
0.22
2SA1235 100k 47k
50V
R567
R614
10
2.2k
1/2W
R612
C557 2.2k
0.1 Q606
2SC3052
R620
100k
Q502,552
OVER LOAD DETECT
3 1 5 1 5 0 8 9 2
C614
2200
50V
C615
2200
50V
D901
D5SBA20
m
c o
.
HCD-GPZ6/GPZ7
Ver. 1.1
2
8 9 9
PROTECT
CNJ991 CN992
CONTROL
2P 2P
IC602
RT8H015C-T112-1
THP822
C609
R628
2.2
100
50V
C608
R632
100
10k
10V
R631 R630
47k 47k
CN603
6P
RELAY -
RELAY +
SP OUT LCH
GND LCH
GND RCH
(Page 33)
SP OUT RCH
CN602
10P
-POWER
C618
POWER GND
0.1
4 9 8 2 9 9
POWER GND
C619
+POWER
0.1
CD UNREG GND
UNREG GND
(Page 41)
UNREG GND
CD GND HIGH
CD UNREG HIGH
AC DETECT
EP601
(CHASSIS)