Sony HCD-EC68 - Schematic Diagram - MAIN Board (2;2)

HCD-EC68/EC78
HCD-EC68/EC78
2929
DECK
BOARD
K
PANEL
BOARD
CN304
L
CD
BOARD
CN201
M
MAIN
1
BOARD
(1/2)
21
IC B/D
IC B/D
2.9 1.2
1.40 2.90 2.20 1.7 02.3 1.62.3 1.80 1.83.6 33.7
2.2
4.22.2 4.84.8 4.74.8 4.7 4.72.4
2.2
0.92.2
AM FREQUENCY
FM TRACKING
COVERAGE
COVERAGE
FM FREQUENCY
AM TRACKING
FM DETECTOR
3.6 3.6
3.63.6
3.6 3.6 3.6 3.6 3.6 3.6 3.6 7.4 3.3 3.3 3.6
3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6 3.6
0
8.8 2.9
4.86.9
3.4
5.5
0
0.7
0.7
3.8
3.8
0
3.2
7.2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
21P
CN608
AVDD (3.3V)
R-OUT
DACGND
L-OUT
AGND
RST
BUS0
BUS1
BUS2
BUS3
BUCK
CCE
REQ
SBSY
DGND
D-OUT
DVDD (3.3V)
VM (7V)
MGND
CD DRIVE MUTE
ZDET/LRCKIN
1N4002B
D619
1N4002B
D620
10V
220
C669
100
R722
1kR716
2SC3052F-T1-LF
Q622
22k
R720
10V
470
C673
16V
100
C667
100
R715
50V
1
C663
50V
1
C664
220
R707
220
R706
50V
10
C661
50V
1
C676
50V
1
C675
1C658 1C656
C654
1
C652 1
1C650
1C648
C651
220p
2200pC647
1k
R697
C653
220p
2200pC657
1k
R709
C635
0.1
C643
0.1
2SC3052
Q617
2SC3052
Q616
R679
4.7k
R680
4.7k
R682 10k R694 10k
50V1
C644
50V1
C636
50V1C646 50V1C665
TP637
TP639
TP641
TP642
TP643
TP644
TP645
TP646
TP647
TP648
TP649
TP651
TP652
TP654
TP656
TP657
TP658
TP659
TP660
TP661
TP662
TP663
TP664
TP665
TP666
TP667
TP668
TP669
TP670
TP672
TP673
TP674
TP676
TP677
TP679
TP680
4.7k
R700
4.7k
R704
10kR696 10kR708
C649
220p
1
2
3
4
5
6
7
8
9
9P
CN606
9V
PB-Lch
PB-Rch
A-GND
REC-Lch
REC-Rch
M-GND
9V
I-TP-STATE
0.1
C679
0.1
C691
0.1
C693
0.1
C694
2200p
C683
2200p
C690
470p
C689
0.01
C692
2200p
C680
2200p
C682
2200p
C681
100
R732
100
R731
MAZ8039GHLS0
D618
0.047
C638
0.047
C637
0.047
C634
0.047
C633
22k
R684
22k
R681
0.022
C674
5.6k
R751
5.6k
R753
R701
0
R702
0
4.7k
R749
4.7k
R750
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
27P
CN607
16V
C671
100
C838
1000p
C827
0.047
C820
5p
C816
0.01
22
R804
TP688
R841
10k
10V
220
C833
R809
100
R824
470
R831
2.2k
R810 4.7k
C822 22 50V
TP684
R811
100k
R823 10k
JW802
R844
2.2k
R845
0
R838
22k
22
R808
R830
3.3k
C815 4700p
R802
22
C837
10p
C824
1
C845
0.22
R819
33k
C817 0.01
R837
100k
C803
1
C847
0.1
R816 1k
C835
0.047
R829
4.7k
6
2
1
34
AM IF
T801
R820
4.7k
31 32 33 34 35 36
123456
3029282726
8791011
21 22 23 24 25
12131415
2019
161718
LV23003VA
IC801
AM RF-IN
REG FM-MIX
GND1 AM-MIX VCC1 AM IF-IN FM IF-IN P-DET
P-COMP
FM-DET
L-OUT R-OUT
VSS CE DI CL DO
XIN
XOUT
VDD
MPX-IN
FM DET-OUT
AM DET-OU
AGC
PD
LP-IN
LP-OUT
BO1
BO2
AM-OSC
FM-OSC
VCC2
FM RF-OUT
GND
FM RF-IN
R827
100k
R840
0
C819
470p
R812
47k
R821
4.7k
C841
1000p
C823
220
10V
R805
470k
16V
100
C802
C830
2p
TP687
16
2
34
5
L805
C831
0.47
R813
470k
CF
G
I
O
FL801
TP690
1
2
34
6
L801
C814
4700p
L803
C832 0.47
R842
0
TP686
L804
C848
0.1
R817 47k
R826
1k
R836
6.8k
C844
0.1
SV230-TB-E
D804
C808
18p
C828 100p
2SC3052F-T1-LF
Q801
R814
22k
R807
22k
R815
10k
R806
47k
R825
4.7k
R832
1M
C840
0.1
JW801
C826
1000p
BPF
G
IO
FL803
C829
0.47
R839
10
C804
18p
CF801
C806
470p
R846
10
1
34
6
2
L802
TP689
TP683
TP685
C836
0.022
R818
10k
R843
100k
JW804
C805
0.47
SV230-TB-E
D803
2SC3052F-T1-LF
Q802
C846
0.01
C843
0.1
R801
100
C807
1
R803
2.2k
JW803
C821 2200p
C834
10p
R822
100
R847
0
1
2
3
3P
CN801
AM
GND
FM
X801
75MHz
SVC347A-TL-E
D801
R660 0
68R717
68R718
68R719
KTC3203Y-AT
Q624
C645 1000p C655
220p
C666 1000p
10pC659
10pC660
R683 2.7k R695 2.7k
1000pC662
0.1
C850
470pC713
C809 1000p
C810 1000p
C811 1000p
2827262524
2322
76
54321
212016 17 18 19
13 12 11 10 89
15
14
BD3499FV-E2
IC602
TC/DMP-R
TC/DMP-L
TUNER-R
TUNER-L
CD-R
CD-L
AUDIO-R
AUDIO-L
SEL-L SEL-R VOL-R VOL-L TRE-L TRE-R
BASSB-L
BASSA-L
BASSA-R
BASSB-R
OUT-L
SB-L
SURR
SB-R
OUT-R
VCC
SCLK
SDATA
GND
FIL
2200p
C640
2200p
C639
R788
15k
R787
15k
470pC704
0.068
C684
0.068
C686
0.068
C685
0.068
C687
5.6k
R752
5.6k
R754
2200p
C703
0.015
C789
0.015
C788
1PS226-115
D802
1PS226-115
D805
1PS226-115
D806
CD-R
CD-L
AUDIO-L
AUDIO-R
CD-R
CD-L
TU-DO
TUNER-R
TUNER-L
I/O-BUS2
I/O-BUS0
TUNER-R
PB-L
PB-R
REC-L
REC-R
O-CD-M-MUTE
O-CD-BUCK
TU-CE
TU-CLK
TU-ANSD
TU-DO
I2 C-DATA
I2C-CLK
5V-ON/TP-REC-MUTE
O-POWER
O-CD-M-MUTE
AMP-ON
O-CD-SBSY
O-CD-REQ
O-CD-CCE
O-CD-BUCK
I/O-BUS2
I/O-BUS0
I-P-MONI
O-CD-ON
TU-ANSD
PB-L
DMP-DET/USB-RST
TU-DI
O-CD-SBSY
O-CD-CCE
I/O-BUS3
I/O-BUS1
O-CD-RST
O-CD-RST
I/O-BUS1
I/O-BUS3
O-CD-REQ
REC-R
REC-L
DMP-DET/USB-RST
TU-CE
TU-DI
TU-CLK
5V-ON/TP-REC-MUTE
O-CD-ON
I2 C-DATA I2C-CLK
AMP-R AMP-L
TUNER-L
PB-R
CD-AVR
USB5V-ON
VSTBY
1
3
2
MAIN BOARD (2/2)
I/O-I2C-DATA
I-TU-DO
I-TU-ANSD
O-TU-CLK
O-TU-DI
O-TU-CE
V-STBY
D-GND
O-CD-ON
I-P-MONI
O-CD-RST
I/O-BUS3
O-CD-BUCK
I/O-BUS0
O-CD-CCE
I/O-BUS1
O-CD-REQ
O-CD-SBSY
I/O-BUS2
O-AMP-ON
M-GND
O-CD-M-MUTE
I-DMP-DET/O-USB-RST
O-POWER
5V-ON/TP-REC-MUTE
I/O-I2C-CLK
O-SW-ON/I-TP-STATE
Q616, 617
MUTING
INPUT SELECTOR,
IC602
ELECTRICAL VOLUME
AM/FM-DET, OSC,
IC801
MIX, PLL, IF AMP
Q622, 624
+3.3V
REGULATOR
ANTENNA
FM/AM
(EXCEPT EC68: UK)
+3V REGULATOR
+5V REGULATOR
(EC68: UK)
(EXCEPT EC68: UK)
(EXCEPT EC68: UK)
711
D
B
6910
F
5 15
L
K
3
G
1 12
C
E
H
8
J
4 13
A
142
I
7-7. SCHEMATIC DIAGRAM - MAIN Board (2/2) -
(Page 33)
(Page 28)
• See page 37 for waveforms. • See page 38 for IC Block Diagrams.
(Page
26)
(Page 25)
w w w . x i a o y u 1 6 3 . c o m
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3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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