Schematic Diagram - Main Board (2/2) - Sony HCD-EC69i Service Manual

Q Q
3 7 6 3 1 5 1 5 0
6-7.

SCHEMATIC DIAGRAM - MAIN Board (2/2) -

1 2 3
MAIN BOARD (2/2)
A
1
4
3
MAIN
2
BOARD
(1/2) 1
(Page 30)
B
(EC99i)
L702
R744
10
TB603
C
TP693
SUBWOOFER +
IMPEDANCE: JW626
-
USE 4Ω
(EC79i/EC99i)
R608
10
L602
D
L601
TB601
R606
TP614 10
+
R
SPEAKER
-
HIGH FREQ.
TP613
IMPEDANCE:
+
USE 8Ω
L C606 C603
- 4700p 4700p
E
R612
D601
10
MC2838-T112-1
R609 R610
4.7k 4.7k
L604
F
L603
T E
L 1 3 9 4 2 2 9 6 5 1 3
TB602
(EC69i)
R611
TP626 10
SPEAKER
+
IMPEDANCE:
R
USE 6Ω
-
TP625
(EC99i)
+
SPEAKER
L C610 C609 R711
LOW FREQ.
G
IMPEDANCE: - 4700p 4700p 33k
USE 8Ω
(EC79i/EC99i)
R710
33k
C620
R613
100
10k
10V
H
D602
MC2838-T112-1
C611
0.22
R620
4.7k
C612
0.22
R621
4.7k
I A001
R617 R616 R618
∗ 10k
10k
(CHASSIS)
CN604 R624
(EC69i/EC79i) R623 R622
8P 33k 10k
10k
VH(AC) 8
VL(AC) 7
G
GND 6
VL(AC) 5
J
PT-SINGLE
VH(AC) 4
BOARD
CN003
AC DETECT 3
(Page
V STBY 2
39)
RELAY ON/OFF 1
CN654
(EC99i)
10P
VH(AC) 10
VH(AC) 9
K
VL(AC) 8
F
GND 7
VL(AC) 6
PT-SINGLE
VH(AC) 5
BOARD
CN002
VH(AC) 4
(Page TP629
AC DETECT 3
TP628
L 39)
V STBY 2
TP627
RELAY ON/OFF 1
w w w
HCD-EC69i/EC79i/EC99i
• See page 40 for IC Block Diagrams.
4 5 6 7
R672
10k
R746 R747 R748
68 68 68 O-POWER
D702
MA2J1110GLS0 O-SP-RELAY/SW-ON
RY701
R867
3.3k
C701 R659
0.1 100k
C702
0.1
R745
10
0
2SC3052F-T1-LF
R634 R635 R636
D603 68 68 68
RY601 MA2J1110GLS0
JW600
JW760
R632
100k
C604 C615
0.1
0.1
R633
100k
C605 C616
0.1 0.1
R607 R631 D605
10
10 MA2J1110GLS0
(EC79i/EC99i)
R638 R641 R642
68 68 68
D604
MA2J1110GLS0
RY602
R660
22k
R640
100k
C617 C607
0.1 0.1
R639
100k R661
C618 C608
22k
0.1 0.1
R615
R647
10
10
R648
R651 R728
47k
R614 4.7k 4.7k
R646
10k
100
R650 R727
R652
4.7k 4.7k
100
D606
MC2836
Q605, 606
9
AC DETECT
Q606
2SC3052F-T1-LF
Q605
8.9 8.9
2SC3052F-T1-LF
0 0 ISA1235AC1TP-1EF
R791 R670
100k 10k
0
R619
∗ R628
C695 R649 C696 R792
∗R616, 619
1 220k 10k
1 2.2k
3.9k (EC69i)
15k (EC79i/EC99i)
R625
(EC69i/EC79i) D607
33k
PROTECT DETECT
1N5402-C532-2
(EC99i)
D613 D608
D10XB20 1N5402-C532-2
∗C622, 626
2200 50V (EC69i)
3300 63V (EC79i/EC99i)
D609
1N5402-C532-2
C621
C622
0.1 ∗
100V
JW629
JW630
D611
1N4002-A2
C623
D610 C626
∗
0.1
1N5402-C532-2
100V
D612 D630
1N4002-A2 1N4002-A2
(EC79i/EC99i)
x a o
y
. i
http://www.xiaoyu163.com
8 9 10 11 12
R869
R863
10k 10k
Q614
ISA1235AC1TP-1EF R866
SUBWOOFER SWITCH 10k
9
8.3
2.9
R865
47k
3.1
Q704, 705 R862
10k 9
RELAY DRIVE
Q704
0
R755 Q610, 613 R864
RELAY DRIVE 4.7k
4.7k
0.7 JW637
3.3
R870
R757
10k
47k R875
0
0
Q705 Q604
(EC69i/EC79i)
2SC3052F-T1-LF 2SC3052F-T1-LF R860
0 0
10k
RELAY DRIVE
0.7 0.6
Q610
2SC3052F-T1-LF
R643 R645 R861
R756 R766
10k 2.2k 10k
4.7k 10k (EC99i)
R724 R725 R726
15 15 15
14.3 4.7
Q601
R626
D622
KTA1266 (EC69i)
10k
MAZ8100GMLS0
KTA1273 (EC79i/EC99i)
13.7
JW757 JW634
R627
Q601, 602
4.7k
FAN MOTOR DRIVE
2SC3052F-T1-LF
8.9
Q602 PROTECT DETECT
13.7
R629 2SC3052F-T1-LF
4.7k
0
C624
13.7
220
Q607 0
10V
2SC3052F-T1-LF
Q Q
PROTECT DETECT
4.4 3 7 6
3.9
C614 C613 R601 C602
R679 R680 R630
4.7 D621 10 470 47
22k 22k 47k
50V MAZ8043GMLS0 50V 25V
C629 R669 R781
4700p 100k 100k
R796
R637 R794 330k
IC701
4.7k 10k
DC/DC CONVERTER
IC701
NJM2368V(TE2)
8.9 16.2
5 V+ OUT 4
Q612 0.9
6 3
CS GND
0.5
Q611
7 2
8.9 0.9 CT FB
2SC3052F-T1-LF
R797
0 0 47k 2.5
8 REF IN- 1
C764 R795
Q709 10 180k
C619 C765 C760
2SC3052F-T1-LF 50V 100
0.01 1000p
25V
Q611, 612
D631 MA2J1110GLS0
R687
R685
22k
4.7k
R678
Q618 4.5
47k
ISA1235AC1TP-1EF
D628
PROTECT DETECT
MA2J1110GLS0
R676
10k
4.5 0
R690
2.2k
D615
1N4002-A2
R686
C631 C632 C641
(EC69i) R677
C628 C627 100 4.7 56k 3.3 R689
10k 27k
1000 2200 16V 50V 50V
25V 25V
D629
1N4002-A2
u 1 6 3
31 31
2 4
8 9 9
13 14 15 16
2.1 1.9
Q608
2SC3052F-T1-LF
STANDBY SWITCH
2.5
R667 (EC99i)
47k
R713
R880
100k
1k
D614
MA2J1110GLS0
9
C853
0.1
Q701 - 703, 804 1.8
SUBWOOFER BAND-PASS FILTER
2SC3052F-T1-LF
1.2
C705 Q804
5.3
R878 10 2SC3052F-T1-LF
0 50V
2.4
C709
0.22
1.8
R666 R721
1k R881 4.7k
2.2k
C630 R712 R714
C708 R882
R740
47 470 56k
0.01 1k 1.5k
10V
R644
1k
Q603
C601
R604 3.3
100k 50V
0
C688
10
50V
∗R883
3 1 5 1 5 56k (EC79i: UK, AUS/EC99i) 0 8 9
68k (EC79i: US, CND)
82k (EC69i)
D627
R603 R605
R883 1PS226-115
∗ 22 22
Q706
KTA1273-Y-AT
16.2 5.1
L701
R761
100uH
Q706 - 710
470
DC/DC CONVERTER
16.2
Q707
KTA1273-Y-AT
IC B/D
16.2 5.1
R762
470
R782
16.2
10k R798
4.7k
0.7
R763 R764 R765 R793
3.3k 3.3k 3.3k 3.3k
15.2
0.5
C766
4700p
0
0.5
R770 C763 Q708
R799
D701
100k 470p 2SC3052F-T1-LF
560
RB055L-40
D617
MC2838-T112-1
C642
Q619
0.022
2SC3052F-T1-LF
MAIN POWER
0
ON/OFF CONTROL R692 R693
4.7k 1k
0.7
R691
10k
m
c o
.
HCD-EC69i/EC79i/EC99i
2
8 9 9
17 18 19 20
11
10
2
9
8
MAIN
7
BOARD
6 (1/2)
(Page 30)
5
R735 R739
0 1k
R730
47k
Q703
Q701
2SC3052F-T1-LF 9
3.7
9
3.1
4.5
Q702
2SC3052F-T1-LF
C710
0.22
3.9
R737
10k
R736
10k C711
0.22
C707 C706
C712
R733 R734 R738
1 100
100k 1k 1k 0.047
50V 16V
CN601
3P
TP601
M
1 VDD+
M601
TP602 (FAN)
2 GND
3 VDD+
12
13
3
14
2 4 9 8 2 9 9
15
MAIN
16
BOARD
(1/2)
17
(Page 30)
18
O-CD-ON/5V-ON
R767
3.3
R723
2.2
R741
2.2
R742
2.2
R760
2.2
C715
0.1
5.1
R768
10k
5.1
Q710
ISA1235AC1TP-1EF
0.9
R655 R657
10k 68k
C761
R656 C762
R673 R688
470
1k 470
470 470
16V
10V
R664 R665
100k 100k
R668
22k
CN609
3P
D
1 IN
2 GND
REG
BOARD
3 OUT
W610
(Page 39)
ET601
(CHASSIS)