Schematic Diagram - Dsp Board (2/3) - Sony HCD-FL7D Service Manual

8-33. SCHEMATIC DIAGRAM – DSP Board (2/3) –
(2/3)
CN601
11P
LINE-MUTE
SP-MODE
DBFB FEEDBACK
A+10V
TUNER R-IN (AEP,UK,KR)
A-GND FB709 0
TUNER L-IN
(Page A-GND(AD/DA)
A+5V
JR706
67)
0
DIR_RST
DAC_LAT
(US,CND)
JR708 JR707 (EXCEPT EA,MX,SP)
0 0.1
FB708
0
(EA,MX,SP)
A1
C743 0.1 Q710
A3
2SC1623
FB703
(AEP,UK)
0
(Page 70)
JR712 0
C791
220
10V
JR711
0
(EA,MX,SP)
C792
JR702 0.1
0
FB711
0
NO803
3P
MIC-GND
MIC-SIG
MIC+10V E1 C710
R710
C708 1000p
1k
E2 C760
C758 1000p
(Page 87)
C759
(EA,MX,SP,KR)
R765 0
R715 0 C709
C762 1000p
E3 C761
C712 1000p
E4 C711
C764 1000p
E5 C763
C714 1000p
E6 C713
C716 1000p
E7 C715
C766 1000p
E8 C765
R691 100
F3
R692 100
F2
R693 100
F1
E9
INIT
SYNC
SEL
R680
100
(EA,MX,SP,KR)
R791
22k
Q790,791
MUTING
CONTROL
Q790
DTC114EE
-TL
(Page 72)
VIDEO(MD)
MD(VIDEO)
OUT IN
L R L R
(CHASSIS GND)
FB702
0
R703 R753
1k 1k
R751
1k
C741 R701
C704 C754
0.1 1k
220p 220p
R754
(EA,MX,SP) (AEP,UK,KR) (US,CND)
100k
C702 C752 R704
FB710 JR710 220p 220p 100k
JR710
0 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
10 50V
10 50V
1 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
P5
TP712 TP716
P6
Q792,793
MUTING
R695
100k
R793
10k
Q792
2SC4738F
-Y/GR
R794
C719 C769
10k C718 C768
10 50V 10 50V
10 10
50V 50V
Q793
2SC4738F
-Y/GR
C793
R792 R741
10
47k 1k
50V
(US,CND)
(EXCEPT US,CND)
J701
C751 10 50V
C701 10 50V
C689
C690
100
0.1
16V
R776 15k
R767
0
COMPARATOR C786
0.1
IC703
NJM4565V
R709 1k I1
R717 R769
0 47k
R759 1k I3
C784 C783
C731
100 100
47
16V 16V
10V
(AEP,UK,KR)
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
C748
C721 R720
C720
0.1 33k
10
50V
R723
100k Q701 R722
2SC1623 47k
R743
4.7k
Q701,751
DBFB CONTROL/
FEED BACK SWITCH
71 71
Q711
2.1/MULTI
CHANNEL
SELECT SWITCH
(EA,MX,SP,KR)
C773 R777
10 1k
R718 10k
50V
R768
100
Q752
2SC3624
MUTING
Q711 R779
FA1F4N 10k
C723
10 R727
50V 1k
Q702
2SC3624
MUTING
R729
10k
C775
10 R781
50V 1k
JR704
2.1/MULTI 0
CHANNEL SELECT
Q753
R725 2SC3624
10k
MUTING
R783
10k
C725
10 R731
50V 1k
JR703 0
(US,CND,AEP,UK)
R747
8.2k
Q703
R746 2SC3624
10k
MUTING
C749 R733
0.1 10k
0.1 C726
10 R735
50V 1k
R742 LINE AMP, JR705
100k 0
COMPARATOR
IC704
NJM4565V Q704
2SC3624
MUTING
R737
10k
C776
10 R785
50V 1k
R744 R745 JR741
10k 1k 0
Q754
2SC3624
R787
MUTING
10k
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
HCD-FL7D
CN703
9P
I1 REC-L
I2 PB-L
A-GND
H6 I3 REC-R
I4 PB-R
CENTER GND
H1 TP705 CENTER
(Page 73)
SW GND
R780
H2 TP706 SW
10k
H5
R730
10k
H4
R784 CN702
10k 7P
H3 TP703 REAR L
REAR GND
H4 TP704 REAR R
H3 FRONT GND
H5 TP701 FRONT L
FRONT GND
H6 TP702 FRONT R (Page 77)
R734
10k
H1
R738
10k
H2
R788
10k