Schematic Diagram - Main Board (1/2) - Sony HCD-EC69i Service Manual

HCD-EC69i/EC79i/EC99i
Ver. 1.1
6-6.

SCHEMATIC DIAGRAM - MAIN Board (1/2) -

1 2 3 4
MAIN BOARD (1/2)
A
CN801
3P
B
ANTENNA
FM/AM
D805
1PS226-115
TP683
AM 1 TRACKING
TP684
GND 2
TP685
FM 3 220uH
AM RF
6
C 5
FL803
I O
BPF 4
G
D806
1PS226-115
D
R847
0
E
F
G
H
R884
0
CN633
(EC69i/EC99i)
5P
TP624
J LOW-OUT-L 5
TP623 JW631
(Page
I -VH 4
TP622
34) +VH 3
2CH-4CH AMP
TP621 JW632
BOARD
LOW-OUT-R 2
CN102
(EC79i)
PA-GND 1
CN603
5P
TP619
OVERLOAD 5
K
TP618
(Page AMP-STBY 4
TP617
IN-L 3
2CH-4CH AMP
J 34)
BOARD
A-GND 2 TP615
CN100
IN-R 1
(EC79i)
(EC79i/EC99i)
CN632
H 7P
TP681
(Page
HI-OUT-L 7
34) 2CH-4CH AMP LOW-L/SW-OUT 6
BOARD
-VH 5
CN101
+VH 4
(EC99i)
K
TP612
LOW-R/SW-OUT 3
L
TP609
(Page
HI-OUT-R 2
35) PA-GND 1
3CH AMP
BOARD C699 C700
CN205 1000p 1000p
OVERLOAD 7
AMP-STBY 6
M
IN-L 5
L
3CH AMP A-GND 4
BOARD
IN-R 3
CN203
(Page
SW-AGND 2
TP691
35) SW-IN 1
JW613
CN643
(EC99i)
7P
M
1 MAIN
BOARD
(2/2)
(Page 31)
HCD-EC69i/EC79i/EC99i
All manuals and user guides at all-guides.com
• See page 40 for Waveforms. • See page 40 for IC Block Diagrams.
5 6 7 8
D801
SVC389
L803
L804
R838
FM FREQUENCY
22k R826
FM COVERAGE
1k
TRACKING
R842 R841
D804 D803
0 10k
SV230-TB-E
SV230-TB-E C837
10p
R843 R827
100k 100k
L805
AM
C826
1000p
C840 C822
TP690 TP689 C821
0.1 22
L805 C841 2200p
C847 50V
1000p
0.1
L803
L804 R840 FM OSC C838
1000p
1 FM RF 0
R846
D802
10
2
1PS226-115
C844
0.1
3
C846
0.01
TP688
R844
2.2k
C824
1
R831
R823
2.2k
10k
C828
100p
R829
4.7k
TP687
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
IC801
AM/FM DET, OSC,
MIX, PLL, IF AMP
IC801
LV23003VA
IC B/D
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
R836
6.8k
C833
C848 C843 C845
220
0.1 0.1 0.22
10V
C830
2p
R832 1 2 3
R845 1M
FL801
0
T801 I O
CF
AM IF
G
6 4
3 4
L802
FM DET
FM
2 CF801 DETECTOR
1 6
JW804
D807
1PS226-115
JW633
JW657
(EC99i)
TP682
C663
R732
1
100
50V
C664
R731
1
100
50V
MAIN
2
BOARD
(2/2)
(Page 31)
9 10 11 12
C851
390p
L806
C819 R839
120uH
10p
10
TP686 R822
100
R708
10k
R825 R824
C823
R696
R876 4.7k 470
220
10k
47
10V
JW802
R701 10k
C806 JW801
R814
(TUNER-GND)
470p
22k
R702 10k
Q801
R813 2SC3052F-T1-LF
C657 2200p
R801
470k REGULATOR
100
3 8.8
C647 2200p
C827
C805
0.047 0.47
R806
C666 1000p
47k
3.6
R819 R818
33k 10k
C645 1000p
R811
R812 C803
47k 100k
1 C857 0.01
C655 220p
C807
C649 220p
1
C804 18p EC69i: US, CND/
EC79i: US, CND/
EC99i: US, CND C639 2200p
R817 X801
C640
47k 75kHz
2200p
R788
C808
R815 15k
18p
10k
11
21 20 19
14 13
R802
22
R804
22
Q802
16 17 18
2SC3052F-T1-LF
REGULATOR
R808
22
4.9 7 15 16
R803
2.2k
5.6
R830
R809
3.3k C831
JW803
100
0.47
C802
R810 R807
100 R805
4.7k 22k
16V 470k
C809
1000p
I-TU-ANSD
R816
1k
I-TU-DO
O-TU-CLK
O-TU-DI
O-TU-CE R681
22k
R820 4.7k
R821 4.7k
∗C814, 815
0.01 (EC69i: US, CND/EC79i: US, CND/EC99i: US, CND)
4700p (EC69i: UK, AUS/EC79i: UK, AUS/EC99i: UK, AUS)
R759
47
MAIN
3
BOARD
(2/2)
(Page 31)
30 30
13 14 15 16
R709
1k
R697
1k
R700
4.7k
R704
4.7k (EC79i/EC99i)
R729
1k
R758
1k
(EC79i/EC99i)
C644
1
R787
50V
15k
C636
C654
1
1
50V
12 11 10 9 8 7 6 5 4 3 2 1
IC602
ELECTRICAL VOLUME,
INPUT SELECTOR
IC602
BD3499FV-E2
IC B/D
17 18 19 20 21 22 23 24 25 26 27 28
R707
220
C674
0.022
R706
220
R749
R751
4.7k
5.6k
C687
C684 C685 ∗ C787 C786
∗
1 1
∗ C686
∗
C661 C694 C662 C667
10 1000p 3300p 100
50V 16V
R715
R684 R752 R754
100
22k 5.6k 5.6k
R771
22k
∗C684, 686
∗C685, 687
0.068 (EC69i) 0.047 (EC69i)
R769
0.1 (EC79i/EC99i) 0.068 (EC79i/EC99i) R772
47 22k
R779 R777
4.7k 22k
8 7 6 5
-
+
1 2 3 4
R773
22k
R776
R778 22k
22k
R774
C776 C775
R780
22 47 22k
1.5k
25V 10V
17 18 19 20
CN607
25P
25 NC
O-TU-CE TP658
24 O-TU-CE
TP659
O-TU-DI
23 O-TU-DI
O-TU-CLK TP660
22 O-TU-CLK
TP661
I-TU-ANSD
21 I-TU-ANSD
I-TU-DO TP662
20 I-TU-DO
TP663
19 O-FUNC-DATA
TP664
18 O-FUNC-CLK
O-POWER TP665
17 O-POWER
TP666
O-SP-RELAY/SW-ON
16 O-SP-RELAY/SW-ON
TP667
15 CD-R
N
14 CD-DAC-GND
TP668
13 CD-L
PANEL
O-CD-ON/5V-ON TP669
BOARD
12 O-CD-ON/5V-ON
TP670 CN301
I-P-MONI
(Page
11 I-P-MONI
10 D-GND 37)
I-iPod-DET
9 I-iPod-DET
TP636
I-5V/9V-DET
8 I-5V/9V-DET
O-iPod-RXD
7 O-iPod-RXD
I-iPod-TXD
6 I-iPod-TXD
TP637
5 V-STBY
4 M-GND
TP638
3 CD-AVR
TP702
2 9V
1 CD-M-GND
CN606 (EC69i)
7P
1 AUDIO-R
R662 C
470
2 HP-GND
2W
3 HP-L
JACK
BOARD
4 HP-R
CN497
5 AMP-ON (Page
R675
47 6 SP-RELAY
39)
7 GND
R674
47
CN605 (EC79i/EC99i)
9P
TP630
1 AUDIO-L
2 A-GND
TP631
3 AUDIO-R
B
4 HP-GND
TP632
R658
5 HP-L
JACK
470 2W
TP633
BOARD
6 HP-R
TP634 CN496
(Page
7 AMP-ON
TP635
8 SP-RELAY
39)
9 GND
C772
1
CN653
11P
11 PGND
R783
10 VBUS5V
100k TP706
9 VBUS5V
O-iPod-RXD TP712
8 O-iPod-RXD A
TP713
I-iPod-TXD
7 I-iPod-TXD
I-iPod-DET TP714
IC770
6 I-iPod-DET IP
BOARD
5 DGND
LINE AMP TP715 (Page 39)
4 L+
IC770
TP716
NJM4558V-TE2
3 L-
TP717
2 R+
TP718
1 R-
C773
1
R785
100k
R784 R786
ET602
100k 100k
(CHASSIS)