Sony DAV-LF1 / HCD-LF1 Service Manual ▷ View online
37
37
HCD-LF1
HCD-LF1
— MAIN SECTION —
: VIDEO
: COMPONENT VIDEO
• SIGNAL PATH
: Y
: R.G.B
: CHROMA
4 CVBS in
CR/B
2
4
2
C in
10 CY in
12 Cb in
14 Cr in
9 I/P
25 S1
V
C
Y/G
CB/B
CR/R
I/P SW
WIDE
16
Cr out
18
Cb out
20
CY out
23
CVBS out
26
C out
13
MUTE 2
3
MUTE 1
35
RST
33
SYNC
22
RX
21
TX
23
CRDY
IC201
VIDEO AMP
5 CONT
4
1
VREF
IN
2 OUT
IC901
+12V REG
IC401
TOUCH KEY DRIVER
IC301 (2/2)
SYSTEM CONTROLLER
SNS0K
I
SNS3K
SCI-0
I
SCI-2
QUA SI0
I
QUA SI2
SNS6K
I
SNS8K
38 OSC2
37 OSC1
36 VDD
D+5V
S401
X401
12MHz
TOUCH
KEY
KEY 0 - 6
44, 46, 48,
2, 8, 10, 14
2, 8, 10, 14
50 - 52
31 - 29
SCO-3
I
SCO-0
QUA SO3
I
QUA SO0
53 - 56
28 - 28
IC402
+4.5V REG
IC303
RESET
IC902
+5V REG
IC901
+10V REG
IC302
BUFFER
Q301
RESET
57 QUA RST
95 V SW
96 V MUTE
91 I/P SW
24 VH (35V)
19 SDI
20 CLK
21 LAT
22 BK
92 WIDE
8 QUA SYNC
7 QUA-DO
6 QUA-DI
60 QUA RDY
39 X1
38 X2
82 KEY0
X301
20MHz
?/1
S402
83 KEY1
Z
S301
84 KEY2
90 STOP
AC-DET
(TEST MODE)
34 RESET
+5V
100
UCOM-DI
UCOM -DO
1 UCOM-DO
UCOM -DI
45 STBY POWER
P.CONT1
47 A.MCON RST
A.MCON RESET
94 SIRCS
SIRCS
2
6
93 WAKE
7
1
5
3
Q304, 305
SWITCH
TO SA-WSLF1
(SYSTEM CONNECTOR)
DVD DSP
SECTION
S
CB/R
Y/G
C/CUBS
TO SA-WSLF1
(SYSTEM CONNECTOR)
FLG401
(FLUORESCENT INDICATOR TUBE)
VF1
28, 29
D464
VF2
32, 33
16
FL-DATA
17
FL-CLK
14
FL-LAT
15
FL-BK
11
LED 0
Q464
LED DRIVER
Q003-Q005
SWITCH
Q306
Q901
REG CONT
INVERTER
+12V
D.C.S
D463
12
LED 1
Q463
LED DRIVER
;
PRO LOGIC
D462
18
LED 2
Q462
LED DRIVER
DTS
D461
19
LED 3
Q461
LED DRIVER
;
DIGITAL
D472
20
LED 4
Q472
LED DRIVER
DISC
D471
22
STBY LED
46
DVD POW
4
ZIVA-RST
28
M REQ
5
IIC-CLK
3
IIC-DATA
27
DF SEL
26
DF INIT
SYS.RESET
M REQ
IIC-CLK
IIC-DATA
D-FIL-SELEXT
D-FIL-INIT
SW 1
Q302, 303, 307
LED DRIVER
?/1
RECT
D451 - D454
Q451, 452
OSC
6.5V
6
5
7
DVD DSP
SECTION
AUDIO
SECTION
R
N
AUDIO
SECTION
M
Q308, 309
SWITCH
T451
DC/DC CONVERTER
IC101
AMP
FRONT-L
FRONT-R
FRONT-L
FRONT-R
3
2
VCC
1
8
6
5
7
IC102
AMP
SURROUND-L
SURROUND-R
SURROUND-L
TO
SA-WSLF1
(SYSTEM CONNECTOR)
SA-WSLF1
(SYSTEM CONNECTOR)
SURROUND-R
3
2
VCC
1
8
6
5
7
IC103
AMP
CENTER
SW(LFE)
A+5V
+10V
CENTER
SW(LFE)
3
2
VCC
1
8
TO
SA-WSLF1
(SYSTEM CONNECTOR)
SA-WSLF1
(SYSTEM CONNECTOR)
IC907
+5V REG
IC905
+10V REG
A+5V
IC803
+2.5V REG
IC211
+1.8V REG
IC392
+3.3V REG
IC904
+5V REG
+3.3V
+5V
6.5V
D+5V
D+3.3V
+2.5V
+1.8V
IC907
+3.3V REG
IC906
+5V REG
+3.3V
IC502
+3.3V REG
+3.3V
5 CONT
+15V
GND
4
1
VREF
IN
2 OUT
IC902
+6.5V REG
Q911
REG CONT
5 CONT
4
1
VREF
IN
2 OUT
IC903
+3.3V REG
Q921
REG CONT
Q401,402
FAN
DRIVE
FAN
TH401
+12V
38
38
HCD-LF1
HCD-LF1
6-2. PRINTED WIRING BOARD — RF SECTION —
• See page 33 for Circuit Boards Location.
4
5
3
1
C 0 1 0
C 0 1 1
C 0 1 3
C 0 0 8
C 0 0 9
C 0 2 8 C 0 2 7
C 0 2 0
C N 0 0 2
C 0 5 2
C 0 3 8
C 0 3 7
C 0 2 2
C 0 4 1
C 0 3 9
C 0 4 0
C 0 5 0
C 0 2 1
C 0 2 3
C015
C017
C 0 4 9
C 0 0 4
C 0 0 2
C 0 2 5
C 0 2 6
C 0 3 0
C 0 3 1
C 0 2 9
C 0 2 4
C 0 1 9
C 0 1 8
C 0 1 6
C014
C 0 4 2
C 0 0 1
C 0 0 5
C 0 0 6
C 0 3 2
C 0 3 4
C 0 3 3
C 0 1 2
C 0 3 6
C 0 5 1
C 0 3 5
C 0 0 3
R 0 2 2
R 0 2 3
R 0 1 3
R 0 1 1
R 0 1 7
R 0 1 5
R 0 2 6
R 0 2 7
R 0 2 8
R 0 2 9
R 0 3 1
R024
R025
R035
R020
R019
R 0 4 1
L 0 0 2
L 0 0 1
D 0 0 2
D 0 0 1
R 0 0 6
R 0 1 0
R 0 0 1
R 0 2 1
R 0 1 6
R 0 1 4
R 0 1 2
R 0 1 2
R 0 1 8
C N 0 0 1
C N 0 0 3
R 0 3 3
R 0 4 6
R 0 4 7
R 0 3 4
R091
Q 0 0 1
Q 0 0 2
R 0 0 9
R 0 0 8
R 0 0 7
R 0 0 5
R 0 0 4
R 0 0 3
(SIDE A)
RF BOARD
(SIDE B)
RF BOARD
IC001
IC003
DMB07 BOARD
CN501
(Page 41)
A
E
E
OPTICAL PICK-UP
BLOCK
(DBU-3)
1-684-822-
12
(12)
1-684-822-
12
(12)
1
16
17
32
48
33
64
49
1
2
3
4
5
6
7
8
9
10
11
12
13
A
B
C
D
E
F
• Semiconductor
Location
Ref. No.
Location
D001
C-11
D002
B-11
IC001
D-11
IC003
D-4
Q001
C-3
Q002
B-3
39
39
HCD-LF1
HCD-LF1
6-3. SCHEMATIC DIAGRAM — RF SECTION —
•
See page 63 for IC Block Diagram.
•
See page 62 for Waveforms.
1.9
(DBU-3)
I C 0 0 3
(Page 43)
JL005
C011
C036
R034
C039
C038
C037
C040
R021
JL007
C003
R010
R008
R007
IOP1
L002
C004
D002
R006
C001
C010
R004
R003
IOP2
L001
C002
D001
R022
R025
R023
C016
C015
C014
R014
R013
R012
R011
R018
R017
R016
R015
C042
C020
C021
C022
C023
R024
R026
C027
C028
C029
C018
C017
C019
C024
C031
C033
C012
C005
R031
JL003
JL006
R029
R028
R027
JL002
JL001
C032
C034
C049
C009
C035
CN003
CN001
CN002
C025
C006
C013
R005
R009
R035
R019
R020
C041
R001
Q001
Q002
C008
R041
JL004
C030
C026
1000p
R091
560k
0.5%
560k
0.5%
R033
100k
100k
C050
0.0033
C052
0.1
R046
10k
R047
33k
0.47
C051 0.47
470
0.033
0.033
680p
0.1
0
100
6.3V
470
33
33
10
16V
1SS355TE
-17
470
100
6.3V
1000p
33
33
10
16V
1SS355TE
-17
220
100
820
2200p
2200p
2200p
0
0
0
0
0
0
0
0
180p
22p
22p
22p
22p
0
12k
0.1
0.5%
0.1
0.01
5600p
2200p
5600p
0.01
1000p
0.1
0.1
22
10V
100
0
0
0
0.047
0.1
0.1
0.1
0.1
9P
24P
29P
0.1
22
10V
0.1
47k
47k
0
0
0
0.1
100
2SB1132-T100-QR
2SB1132-T100-QR
0.1
1k
0.01
0.1
IC001
SP3723CAF0PM
IC003
TL343IDBVR
AMP
40
40
HCD-LF1
HCD-LF1
6-4. PRINTED WIRING BOARD — DRIVER SECTION —
:Uses unleaded solder.
• See page 33 for Circuit Boards Location.
6-5. SCHEMATIC DIAGRAM — DRIVER SECTION —
•
See page 67 for IC Block Diagram.
IC701
B
DVD-POW BOARD
CN305
(Page 53)
M701
(LOADING)
(TRIGGER) (DISC IN/OUT)
(CHUKING)
1
9
M
1
2
A
B
C
3
4
D701
R702
R701
C705
C711
S702
S703
S701
CN701
No mark : DVD STOP
+7V
B
DVD-POW BOARD (1/2)
CN305
(Page 54)
IC B/D
IC701
CN701
R702
R701
C711
C705
D701
S703
S701
S702
M701
BA6956AN
7P
CT-L
100
680
10
50V
0.01
M
TZJ-T-77-4.7C
(TRIGGER)
(DISC IN/OUT)
(CHUKING)
(LOADING)
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