Schematic Diagram - Front Amp Section (1/2) - Sony HCD-ZX10D Service Manual

HCD-ZX10D
Q Q
7-30. SCHEMATIC DIAGRAM – FRONT AMP SECTION (1/2) –
3 7 6 3 1 5 1 5 0
(1/2)
C604
100p
R600
1k
R602
220
C600
C602
EP605 4.7
C605 100
50V
0.01 10V
(CHASSIS)
C652
T E
L 1 3 9 4 2 2 9 6 5 1 3 100
10V
R652
220
C654
100p
R650
1k
R604
C650
10k
4.7
50V
R605
10k
CN600
5P
STK MUTE
OVERLOAD DETECT
DC DETECT
PROTECT
UNREG-V
(Page 61)
CN601
13P
FAN ON
FAN DET
L-IN
A-GND
R-IN
PROTECT
DBFB FEEDBACK
HP MUTE
POWER GND
(Page 55)
POWER GND
-B(-VL)
-B(-VL)
UNREG-V
w w w
CN605 NO604
2P 2P
TH630
HCD-ZX10D
R616
1
R612
100
R603 R692
47k 100k
R617 Q610
100k 2SC3906K
R615
100
R699
100k
C608
22
50V C610 C609
22 22
R614
100V 100V
1k
R611 1W
33k
R694 R610 1SS355TE
68k 68k
Q604,606,610
STANDBY
D609 R609 R670
SWITCH 1SS355TE 68k 15k
R653
47k
R669
R690
47k
R606 R608 R691 R698
47k 100k 100k 100k
Q604
2SC2412K-T
-146-R R607 Q606
2.2k 2SA1207
C628
C629
100
0.1
x a o
16V
y
. i
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Q634
DTA124EKA R693
2.2k
POWER AMP
IC600
STK412-230
R634
Q634,635
2.2k
MUTING
CONTROL
SWITCH
Q635
DTC114EKA
R618
0.22
5W R638 R639
100k 100k
R619
1k
Q618
2SC3906K
R622
10
R620
1/2W
15k
R621
150k
R613
1k
1W R671
150k
D670 Q Q
R672
3 7 6
10
1/2W
Q668
2SC3906K
1k Q618,668
R668
OVER LOAD
0.22
5W DETECT
R626 D624
100k 1SS355TE
OVER CURRENT
PROTECTOR
IC627
RT8H015C-TH12-1
C627
2.2
u 1 6 3
50V
D627
1SS355TE
58 58
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2 4
8 9 9
R637
C637
680
4.7
2W
100V
R640
10k
Q640
C634
2SC3661
100
25V MUTING
C635
R635 R642
100
10k 56
25V
R641
10k
Q641
2SC3661
R643
R636 MUTING
C636 56
680
4.7
2W
100V
RY646
-2
-1
R654 R655
R646
47k 47k
100
1W
D654 D655
D646 1SS355TE 1SS355TE
1SS355TE
Q644
2SC2412K-T
R625 -146-R R647
1.5k 1.5k
RELAY
DRIVE
R665 Q647
1.5k 2SC2412K-T
-146-R
PROTECT
SWITCH
3 1 5 1 5 0 8 9
2SC2412K-T
OVER LOAD
R644 JR647
C648
2.2k 0
100
10V
JW647
R633 R632
47k 560k
R628 R630 R631
33k 100k 100k
Q630
2SC2412K-T
-146-R
C655
10
50V
Q628
R629
2SC2412K-T
100
-146-R
Q629
Q628,630
2SC2412K-T
THERMAL -146-R
DETECT FAN MOTOR
SWITCH
m
Q664
B1565E
-33V REGULATOR
c o
R662 R663 R664
8.2k 8.2k 1k
C662 C663
D664
10 100
.
UDZS-TE17-33B
50V 50V
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
2
8 9 9
NO609
3P
HP-R
HP-GND
HP-L
(Page 63)
Z1
Z2
Z3
Q648
2 4 9 8 2 9 9
-146-R
(Page 59)
C649
DETECT R649
10
12k
50V
Z4
Z6
Z7
Z8
Z9
CN602
13P
-VG
DGND
VF1 VF
VF2 VF
AC1 AC4
AC2 AC4
AC3 AC3
AC4 AC3
A+9V
NC
(Page 55)
FRONT RELAY
AC CUT DETECT
STK MUTE
NO603
7P
AC2 AC4
AC1 AC4
AC3 AC3
AC4 AC3
VP
VF1 VF
(Page 73)
VF2 VF