Schematic Diagram - Dsp Board (2/3) - Sony HCD-FL3 Service Manual

1-11. SCHEMATIC DIAGRAM – DSP Board (2/3) –
(2/3)
CN601
11P
LINE-MUTE
SP-MODE
DBFB FEEDBACK
A+10V
TUNER R-IN
TUNER L-IN
(Page A-GND(AD/DA)
(EXCEPT AUS) JR709
A+5V
0
13)
FB708 JR706
DIR_RST
0 0
(AUS)
DAC_LAT
(AUS)
JR707
0.1
A1
Q710
2SC1623
C743
0.1
C791
220
FB703
10V
0
A3
(Page 16)
(AUS)
JR702 C792
JR711 0 0.1
0
NO803
3P
MIC-GND
MIC-SIG
MIC+10V
R710
(Page 32)
E1 C710
C708 1000p
E2 C760
C758 1000p
C759
R765 R715
0 0 C709 1 50V
C762 1000p
E3 C761
C712 1000p
E4 C711
C764 1000p
E5 C763
C714 1000p
E6 C713
C716 1000p
E7 C715
C766 1000p
E8 C765
F3 R691 100
C699
0.1
F2 R692 100
F1 R693 100
E9
Q792,793
R791 R793
22k
Q790,791
MUTING
CONTROL
Q791
DTA114EE
-LL
Q790
DTC114EE
-TL
(Page 18)
MD(VIDEO)
OUT IN
L R L R
(CHASSIS GND)
R703 R753
1k
FB702 R751
0 1k
C704 C754
C741 R701 220p 220p
0.1 1k
R704 R754
100k 100k
(AUS) (EXCEPT AUS)
C702 C752
220p 220p
FB710
JR710
0 R702 R752
100k 100k
C753
10
50V
C703
10
50V
JR701
0
R755 R757 R705 R707
1k 1k 1k 1k
R740
15k
R790
10k
1k
10 50V
10 50V
1 50V
R689
100
10 50V
10 50V R690 100
10 50V
10 50V
10 50V
10 50V
IC701
M61520FP
INPUT SELECT
SWITCH,
ELECTRICAL
TP711
VOLUME
TP713
P3
TP714
P4
TP715
TP712 P5
TP716
P6
MUTING
R695
100k
10k
Q792
2SC4738F
-Y/GR
R794
C719 C769
10k C718 C768
10 50V 10 50V
10 50V 10 50V
Q793
2SC4738F
-Y/GR
R741
1k
C793
R792
10
47k
50V
J701
1k
C751 10 50V
C701 10 50V
C689
C690
100
0.1
16V
R776 R767
15k 0
COMPARATOR C786
0.1
IC703
NJM4565V
R709 1k I1
R717 R769
0 47k
R759 1k I3
C735 C733
47 47
C784 100 16V (AUS) 10V 10V
(AUS)
C783
C782 C734 C736
100
0.1 0.1 0.1
16V C731 C781
47 220
10V 10V
C772 0.1 R774
6.8k
C771 R770 R772
C770
0.1 33k 47k
10
50V
R773
C698
100k Q751 R719
0.47
2SC1623 1M
50V
C722 0.1 R724
6.8k
C721 R720
C720
0.1 33k
10
50V
R723
100k Q701 R722
2SC1623 47k
Q701,751
DBFB CONTROL/
FEED BACK SWITCH
17 17
Q711
2.1/MULTI
CHANNEL R768
100
SELECT SWITCH
C773 R777
10 1k
R718 10k
50V
2SC3624
Q711 R779
FA1F4N 10k
C723
10 R727
50V 1k
2SC3624
R729
10k
C775
10 R781
50V 1k
2.1/MULTI
CHANNEL SELECT
R725 2SC3624
10k
R783
10k
C725
R750 10 R731
0 50V 1k
R747
8.2k
C730
10
R746 10k
50V C749
0.1
2SC3624
R733 MUTING
10k
C748
0.1 C726
10 R735
50V 1k
R743 R742 LINE AMP,
4.7k 100k
COMPARATOR
IC704
NJM4565V
2SC3624
R737 MUTING
10k
C776
10 R785
50V 1k
R744 R745 JR741
10k 1k 0
2SC3624
MUTING
R787
10k
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
HCD-FL3
CN703
9P
REC-L
I1
I2 PB-L
A-GND
REC-R
H6 I3
PB-R
I4
CENTER GND
TP705 CENTER
H1
(Page 22)
SW GND
Q752 R780
TP706 SW
H2
10k
MUTING
H5
Q702 R730
10k
MUTING
H4
Q753 R784 CN702
10k 7P
MUTING TP703 REAR L
H3
REAR GND
TP704 REAR R
H4
FRONT GND
H3
TP701 FRONT L
H5
FRONT GND
(Page 20)
TP702 FRONT R
H6
R734
Q703
10k
H1
R738
Q704 10k
H2
Q754 R788
10k