DOWNLOAD Sony DAV-LF1H / HCD-LF1H Service Manual ↓ Size: 7.53 MB | Pages: 79 in PDF or view online for FREE

Model
DAV-LF1H HCD-LF1H
Pages
79
Size
7.53 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dav-lf1h-hcd-lf1h.pdf
Date
PREV: Sony DAV-LF1H Service Manual

Sony DAV-LF1H / HCD-LF1H Service Manual ▷ View online

49
49
HCD-LF1H
HCD-LF1H
6-22. PRINTED WIRING BOARDS — TOUCH BOARD, LED BOARD —
• See page 27 for Circuit Boards Location.
 :Uses unleaded solder.
IC751
IC752
A
MAIN BOARD
CN304
(Page 41)
IC753
IC754
IC755
IC756
IC731
B
MAIN BOARD
CN309
(Page 41)
(BACK LIGHT LED)
VOLUME
FUNCTION
(DISC EJECT LED)
(BACK LIGHT LED)
E
E
E
E
D.C.S
DTS
PL
DIGITAL
K
K
A
K
K
A
K
K
A
K
K
A
K
K
A
C701
C752
C762
C765
C766
D701
D785
D786
1
13
CN700
R753
R756
C761
R774
R775
R776
R777
R701
R785
R786
S700
*TP751
*TP751-TP755
SOFT-TOUCH BUTTONS
*TP752
*TP753
*TP754
*TP755
S701
 
 
R782
C702
C756
R752
C754
R751
C763
C760
R761
C767
R767
R773
D752
D753
D754
D755
C750
R772
C785
C753
R750
D751
R765
R770
R766
C764
R762
R763
R764
R755
R771
R768
R780
R784
R781
R783
C703
C786
 
CN721
D721
D722
D723
D724
D725
C732
 
Q722
C722
C731
R731
1
3
C733
R721
FB731
R722
R724
Q723
R723
C723
R725
C724
Q724
C721
Q721
10
1
A
B
C
D
E
F
G
2
3
4
5
6
7
8
9
10
• Semiconductor
Location
Ref. No.
Location
D701
B-9
D721
F-7
D722
F-6
D723
F-4
D724
F-3
D725
F-8
D751
C-3
D752
C-4
D753
C-6
D754
C-7
D755
C-9
D785
B-9
D786
B-2
IC731
G-2
IC751
B-4
IC752
B-3
IC753
B-5
IC754
B-5
IC755
B-8
IC756
B-8
Q721
G-7
Q722
G-6
Q723
G-4
Q724
G-3
50
50
HCD-LF1H
HCD-LF1H
6-23. SCHEMATIC DIAGRAM — TOUCH BOARD, LED BOARD —
no mark : DVD STOP
no mark : DVD STOP
TP701
TP702
TP703
TP704
TP705
TP706
TP707
TP708
TP709
TP710
TP711
TP712
TP713
D751
D752
D754
D755
D786
TP751
TP752
TP753
TP754
TP755
D701
D753
R750
CN700
S700
C702
C703
C701
R701
S701
R785
R786
R784
R783
R782
R781
R780
C754
C750
C753
R755
R765
R770
R771
R766
R767
R772
R773
R768
C765
C766
R776
C761
C762
R774
C785
C786
D785
R756
C756
R753
C752
R775
C767
C760
C764
IC753
IC755
IC756
IC754
C763
IC752
IC751
R752
R751
R761
R762
R763
R764
R777
C731
R731
C733
D721
R721
Q721
D722
R722
Q722
D723
R723
Q723
D724
R724
Q724
FB731
TP721
TP722
TP723
TP724
TP725
TP726
TP727
TP728
TP729
TP731
TP732
D725
R725
CN721
TP730
IC731
C721
C722
C723
C724
C732
STZ6.8N-T146
STZ6.8N-T146
STZ6.8N-T146
STZ6.8N-T146
NSCW100-TE
4
CL-197HB1-
D-T
STZ6.8N-T146
22k
13P
0.01
0.01
0.01
220
120
120
1k
1k
1k
1k
1k
0.01
22p
0.1
100k
100
100k
100k
100
100
100k
100k
100
0.1
0.1
100k
0.1
0.1
100k
0.01
0.01
NSCW100-TE
4
100k
0.01
10k
0.0047
100k
0.01
0.01
0.01
SN74LVC14APWR
SN74LVC14APWR
SN74LVC74APWR
-12
SN74LVC74APWR
-12
0.01
SN74LVC74APWR
-12
SN74LVC14APWR
100
22k
22k
22k
22k
22k
100k
0.01
47
100p
CL-197HB1-
D-T
220
MUN2211T1
CL-197HB1-
D-T
220
MUN2211T1
CL-197HB1-
D-T
220
MUN2211T1
CL-197HB1-
D-T
220
MUN2211T1
0UH
SECU1205C-S
1k
10P
RPM7240-H8
0.01
0.01
0.01
0.01
10
16V
43
43
51
HCD-LF1H
• Waveforms
– DMB14 Board –
– MAIN Board –
1
  IC101
 
6
 (DVDRFIP) 
3
 
IC708
 
qg
 
(X1) 
2
  IC101
 
<xx.
  (XTALI)  
800 mVp-p
200 mV/DIV, 100 ns/DIV
100 ns
1 V/DIV, 40 ns/DIV
4.1 Vp-p
1 V/DIV, 20 ns/DIV
37 ns
3.8 Vp-p
1
  IC301
 
qg
 
(XIN)  
3
 
IC601
 
wh
 (COUT) 
2
 
IC601
 
wd
 
 
(CVBS OUT)  
4
 
IC601
 
wa
 (YOUT)
5
 
IC601 
w;
 
(CYOUT)
(EXCEPT AEP, UK, RU models)
5
 
IC601 
w;
 
(CYOUT)
(AEP, UK, RU models)
6
 
IC601 
qk
 
(CbOUT)
(AEP, UK, RU models)
6
 
IC601 
qk
 
(CbOUT)
(EXCEPT AEP, UK, RU models)
7
 
IC601 
qh
 
(CrOUT)
(AEP, UK, RU models)
7
 
IC601 
qh
 
(CrOUT)
(EXCEPT AEP, UK, RU models)
H
1.3 Vp-p
H
1.2 Vp-p
H
1.1 Vp-p
H
1.2 Vp-p
H
1.2 Vp-p
1 V/DIV, 100 ns/DIV
166 ns
2.6 Vp-p
500 mV/DIV, 20 
µ
s/DIV
1.4 Vp-p
H
500 mV/DIV, 20 
µ
s/DIV
2.2 Vp-p
H
500 mV/DIV, 20 
µ
s/DIV
2.1 Vp-p
H
H
2.1 Vp-p
1 V/DIV, 20 
µ
s/DIV
500 mV/DIV, 20 
µ
s/DIV
500 mV/DIV, 20 
µ
s/DIV
500 mV/DIV, 20 
µ
s/DIV
500 mV/DIV, 20 
µ
s/DIV
500 mV/DIV, 20 
µ
s/DIV
Ver. 1.1
52
HCD-LF1H
• IC Block Diagrams
IC203  BH5510KV-E2
– DMB14 Board –
FG
1
GVSW
2
BMSW
3
STBY
4
VO1F
5
VO1R
6
PGND1
7
VO2F
8
VO2R
9
PVcc1
10
VO3F
11
VO3R
12
SPCNF
13
CPH
14
GND
15
Vcc
16
HUP
17
HUN
18
HVP
19
HVN
20
HWP
21
HWN
22
RNF1
25
U
26
V
27
PVcc22
28
RNF2
29
W
30
PGND3
31
VO4F
32
VO4R
33
PVcc3
34
VO5F
35
VO5R
36
Vref 37
CNF5 38
CNF4 39
CNF3 40
CNF2 41
CNF1 42
IN1 43
IN2 44
IN3 45
IN4 46
IN5 47
INSP 48
HB
23
PVcc21
24
Pre Driver
Pre Driver
NFamp
Logic
Logic
NFamp
Pre Driver
Pre Driver
180deg MATRIX
Pre Driver
PH
LIMIT
T.S.D.
OSC
OSC
REVERSE
PROTECT
PHASE
SHIFT
FG
3phase
H.B.
Pre Driver
Pre Driver
Pre Driver
NFamp
Logic
NFamp
Logic
NFamp
Logic
+
–
+
–
+
–
+
–
+
–
+
–
+
+
+
–
–
–
+
+
–
–
GVSW
BMSW
STBY
+
–
+
–
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