Sony DAV-LF1 / HCD-LF1 Service Manual ▷ View online
33
33
HCD-LF1
HCD-LF1
• Circuit Boards Location
SECTION 6
DIAGRAMS
For Schematic Diagrams.
Note:
Note:
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in Ω and
1
/
4
W or less unless otherwise
specified.
• f
: internal component.
• C : panel designation.
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
• A : B+ Line.
• H : Adjustment for repair.
• Voltages and waveforms are dc with respect to ground un-
der no-signal (detuned) conditions.
no mark : DVD STOP
no mark : DVD STOP
*
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: AUDIO
d
: TUNER
J
: CD PLAY
c
: DVD PLAY
I
: SACD PLAY
L
: VIDEO
E
: Y
a
: CHROMA
r
: COMPONENT VIDEO
q
: R, G, B
• Abbreviation
AUS
: Australian model.
CND
: Canadian model.
E41
: Chilean and peruvian models.
EA
: Saudi Arabia model.
HK
: Hong Kong model.
KR
: Korea model.
MX
: Mexican model.
RU
: Russian model.
SP
: Singapore model.
TW
: Taiwan model.
For Printed Wiring Boards.
Note:
Note:
• X : parts extracted from the component side.
• a
• a
: Through hole.
• f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
Caution:
Pattern face side: Parts on the pattern face side seen from
(SIDE B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(SIDE A) the parts face are indicated.
Pattern face side: Parts on the pattern face side seen from
(SIDE B) the pattern face are indicated.
Parts face side: Parts on the parts face side seen from
(SIDE A) the parts face are indicated.
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
C
B
These are omitted.
E
Q
DVD-POW board
FAN CONTROL board
I/O board
RF board
DRIVER board
DISPLAY board
DMB07 board
EJECT KEY board
DLED board
STBY KEY board
TOUCH KEY board
TOUCH PAD (B) board
TOUCH PAD (A) board
B
These are omitted.
C
E
Q
Ver. 1.2
34
34
HCD-LF1
HCD-LF1
6-1. BLOCK DIAGRAM
— RF SERVO SECTION —
• SIGNAL PATH
: CD PLAY
: DVD PLAY
: SACD PLAY
: VIDEO
: AUDIO
DETECTOR
1
63
3
4
5
6
9
10
11
12
14
15
16
13
18
17
62
61
53
52
54
55
59
60
DVDRFP
RFSIN
A2
B2
C2
D2
CD E
CD F
A
B
C
D
C
D
B
A
D
D
C
B
A
D
D
C
CD A
CD B
CD C
CD C
CD D
CDLD
CDPD
DVDLD
DVDPD
ATOP
ATON
FNP
FNN
AIP
AIN
DIP
DIN
57
27
40
39
47
46
48
IC001
CD/DVD/SACD RF AMP,
FOCUS/TRACKING ERROR AMP
OPTICAL PICK-UP
BLOCK
(DBU-3)
2AXIS
DEVICE
FOCUS/
FOCUS/
TRACKING
COIL
22
24
21
23
36
48
37
1
Q001
AUTOMATIC POWER
CONTROL (FOR DVD)
Q002
AUTOMATIC POWER
CONTROL (FOR CD)
LASER
DIODE
(FOR CD)
LASER
DIODE
(FOR DVD)
FOCUS COIL
DRIVE
34
3
35
4
TRACKING COIL
DRIVE
32
31
33
34
20
22
19
8
40
41
39
43
31
32
29
30
SLED MOTOR
DRIVE
IC501
FOCUS/TRACKING COIL DRIVER,
SPINDLE/SLED MOTOR DRIVER
27
28
SPINDLE MOTOR
DRIVE
M
M
M1
(SPINDLE)
19
47
46
45
FFDR
FRDR
TFDR
TRDR
SFDR
SRDR
SLED_A
SLED_B
SLED
26
SE
TE
FE
RFDC
IC509
CD DECODER,
DIGITAL SERVO PROCESSOR
MIRR
FF
FR
FOK
COUT
SCLK
RF
A
B
C
D
F
E
CD LD
PD
DVD LD
FCS+
FCS–
TRK+
TRK–
SW
INLIM
D
C
B
A
RFAC
MIRR
DATA_RF
3
4
1
CLK_RF
SDEN
TE
FE
PI
TE
FE
PI
PI
FE
TE
SDATA
MEVO
MIN
IC003
AMP
SCLK
SDEN
LDON
36
VI25
FCS_JMP_2
FCS_JMP_1
50 RFAC
30
29
SLED MOTOR
DRIVE
M
M
M2
(SLED)
38
PI
BUFFER
MUTE12
20
MUTE34
21
MUTE5
22
TSD-M
13
7
10
43
FG
62
MUTE_2D
60
SP_ON
63
TSD-M
73
39
POWER SAVE
DSAVE
97
IC901 (1/2)
MECHANISM
CONTROLLER
61
7
LDON
28
INLIM
LDSEL
76
31
SDEN
2
FE
67
PI
66
COUT_CD
30
SDA
5
SCL
6
WP
7
15
SCOR
66
PCMD
67
BCK
65
LRCK
14
C2PO
17
WDCK
10
WFCK
80
EXCK
79
SBSO
BCLK
LRCK
C2PO
GSCOR
WFCK
EXCK
27M
768FS
SBSO
25
MDP
SCOR
SCOR
26
24
LOCK
LOCK_CD
75
13
GFS
GFS_CD
71
3
MUTE
MUTE_CD
59
7
SENS
SENS_CD
9
76
SQSO
SQSO
52
SCLK_CD
72
4
DATA
DATA_CD
49
63
MD2
71
XTAI
DOCTR/
ISBTEST
ISBTEST
3
77
SQCK
69
XTSL
CDSP2
10
85
XRD
XRD
17
58
GFS_DVD
GFS
107
45
109
SCK_DSD
4
XRST_2753
AEP0
64
JIT
77
SACD/DVD
84
XWR
XWR
18
12
XCS_DVD
XCS
19
25
XRST_1882
XRST
164
22
INT0_DVD
XINT0
20
23
INT1_DVD
XINT1
21
SQCK
54
2
XRST
XDRST
98
6
CLOK
CLOK_CD
50
5
XLAT
LAT_CD
27
FOK_CD
74
MIRR
29
TE
65
SDCLK_RF
82
SDATA_RF
83
44
38
42
VC
CE
26 SSTP
AVC
MIRR
MIRR
DATA_RF
CLK_RF
SDEN
TE
FE
PI
21
DFCT
DFCT
48
XHWR
49
XHRD
93
MNT2
26
SDEF
46
HDRQ
53
XHAC
92
MNT1
17 WE
76
XMWR
33 OE
94
XMOE
18 RAS
78
XRAS
34 UCAS
95
XCAS
117 RFIN
135 SPO
137 MDIN2
170 XTL1
169 XTL2
167 XTAL
IC701
DVD DECODER
IC706
16Mbit
D-RAM
160 MDAT
158 BCLK
163 LRCK
155 C2PO
146 GSCOR
163 LRCK
155 C2PO
146 GSCOR
HDB0 – HDB7
MDB0 – MDB9,
MDBA – MDBF
I/O0 – I/O15
A0 – A9
151 WFCK
147 EXCK
148 SBIN
BCLK
LRCK
C2PO
GSCOR
WFCK
EXCK
SCOR
SBSO
145 DFCT
DFCT
150 SCOR
IC703 (1/2)
BUFFER
IC703 (2/2)
COMPARATOR
IC906
CLOCK
GENERATOR
66-69, 71, 73-75, 96, 97,
99, 101, 102, 104-106
2-5, 7-10,
41-44, 46-49
44, 41, 39, 35,
32, 30, 27, 24
21-24,
27-32
MA0 – MA9
79, 80, 82-87,
89, 91
35 LCAS
TF
8
TR
FF
FR
FF
FR
TF
TR
7
8
XTI
XTO
D0 – D7
D0 – D7
9 10
SO1
SO2
13 3
SO3
MO1
X902
27MHz
14-21
172-176, 1, 2, 4
A0 – A7
A0 – A7
89-96
5, 7, 9-14
RF_AC
A
SD0 – SD7
B
XSRQ
H
XSRQ-ZIVA
I
J
WPK
D
768FS
F
27M
E
SDEF, XDCK,
XSAK, XSHD
XSAK, XSHD
SDEF
XSAK
XDCK
XSHD
C
5
SDA_EEP
99
SCL_EEP 100
WP_EEP
47
SDIN_DSD
46
SDOUT_DSD
24
MSCK_SAMBA
51
XMSLAT
48
READY_DSD
53
MUTE_DSD
MSDATO
ISBTEST
MSDATO, MSDATI, MSCK,
XMSLAT, SHRRDY, SHRMUT,
ISBTEST, XRST_DSD
MSDATI
MSCK
XMSLAT
SHRRDY
SHRMUT
6
MNT1
IC257
SACD/DVD
SELECT
IC903
EEPROM
XRST_DSD
IC503
AMP
8
Q901
32
31
+
–
AUDIO
SECTION
DVD DSP
SECTION
DVD DSP
SECTION
DVD DSP
SECTION
DVD DSP
SECTION
AUDIO
SECTION
AUDIO
SECTION
AUDIO
SECTION
AUDIO
SECTION
35
35
HCD-LF1
HCD-LF1
— DVD DSP SECTION —
• SIGNAL PATH
: VIDEO
: Y
: CHROMA
: COMPONENT VIDEO
: R, G, B
: AUDIO
IC207
DVD SYSTEM PROCESSOR
125
VDAC_2
Y/G
C
V
CB/B
CR/R
WIDE
I/PSW
131
VDAC_0
183 SDCLK
179 SDEN
182 SDERROR
192 INT/EXT
151
DATA1(FLR)
DATA0(DM)
154
DATA2(SLR)
155
DATA3(CSW)
147
XCK
148
LRCK
149
BCK
SDEF#
XSHD#
XDCK#
XSAK#
178 SDREQ
XSRQ_ZIVA
SDDATA0 – SDDATA7
177-174, 171-168
SD0
AV0 - AV7
AV0
AV1
AV2
AV3
AV4
AV5
AV6
AV7
SD1
SD2
SD3
SD4
SD5
SD6
SD7
SDEF
XSAK#, SDEF#,
XDCK#, XSHD#
XDCK#, XSHD#
XDCK
XSAK
XSHD
D3V
B
C
I
139 XIN
27M
F
202 RESET
110 MREQ
SYS RESET, MUTE REQ
SYS RESET
IICDATA, IICCLK
R
IICCLK
IICDATA
119
VDAC_4
128
190
VDAC_1
122
VDAC_3
147
VS
148
I/P SW
IC204
EEPROM
IC901 (2/2)
MECHANISM CONTROLLER
Q202
5 DI
6 DO
1 8
R/B
WC
3
CS
4 SK
IC904
FLIP-FLOP
IC902
SWITCHING
CE
WE
OE
ALE
IC231 – 233
ADDRESS LATCH
IC205
PROGRAMMABLE ROM
57-60, 64-71, 75-78,
81-84, 88-95, 99-102
25-27,
60-66,24,21
2,4,5,7,8,10,11,13,74,76,77,79,80,82,83,85,31,
33,34,36,37,39,40,42,45,47,48,50,51,53,54,56
HA1 – HA3
HAD0 – HAD15
ADDRESS BUS
DATA & ADDRESS BUS
DATA & ADDRESS BUS
22, 19-14, 11-3
2, 207, 206
HAD0 – HAD15
HA1 – HA3
HAD0 – HAD15
HA1 – HA2
HAD0 – HAD15
HA1 –
HA3
HA4 –HA22
12
CE
WE
14
OE
1
A0 – A20
195
HCS0
WEH.UDS
27
HREAD
ML
MDI
MC
ML
MDI
MC
25
DQ0 – DQ15
56
MCLK
CE
WE
OE
IC203
128Mbit SD-RAM
68
CLK
DQ0 – DQ31
A0 – A11
MA0 – MA11
MD0 – MD31
42-33, 45, 46
49
MCS0
20
CS
53
MWE
17
WE
51
MRAS
19
RAS
52
MCAS
18
CAS
62
MDQM0
16
DQM0
73
MDQM1
71
DQM1
86
MDQM2
28
DQM2
97
155 154 153
ML, MC, MDI
MDQM3
59
DQM3
161
I2C_DA
78
I2C_SIO
160
I2C_CL
79
I2C_SCL
186
DRVTX
34
SO_ZIVA
187
DRVRX
33
SI_ZIVA
185
DRVCLK
35
SCK_ZIVA
184
HIRQ1
188
DRVRDY
36
DRVIRQ
37
DRVRDY
32
CS_ZIVA
191
RST_SPC
38
RST
116
HIRQ2
165
WRITE_CTRL(ZIVA_E2P)
162
CS_(ZIVA_E2P)
48
BA0
22
BS0
47
BA1
23
BS1
XTAL
EXTAL
41
40
X901
20MHz
MUTE REQ
IC111
LEVEL
SHIFT
L
K
BCK-ZIVA
DATA1
DATA0 – DATA3,
LRCK-ZIVA,
BCK-ZIVA, XCK1
DATA2
DATA3
DATA3
LRCK-ZIVA
XCK1
O
S
T
150
DATA0
IC256
LATCH
IC258
LATCH
IC259
LATCH
Q201
8
8
69
CKE
11 – 2, 34 – 43
15 – 22, 24 – 31
RF/SERVO
SECTION
RF/SERVO
SECTION
RF/SERVO
SECTION
RF/SERVO
SECTION
MAIN
SECTION
AUDIO
SECTION
AUDIO
SECTION
DVD DSP
SECTION
MAIN
SECTION
AUDIO
SECTION
36
36
HCD-LF1
HCD-LF1
— AUDIO SECTION —
• SIGNAL PATH
: AUDIO
: SACD PLAY
RF_AC
WPK
168 SDEF
165 XSHD
166 SDCK
167 XSAK
6 MSDATO
4 MSDATI
3 MSCK
2 XMSLAT
7 MSREADY
10 SMUTE
MSDATO
MSDATI
MSCK
XMSLAT
SHRRDY
SHRMUT
SDEF#
SDEF#, XSHD#,
XDCK#, XSAK#
XDCK#, XSAK#
XSHD#
XDCK#
XSAK#
64
DSAL
39 DSIFL
35 EXIFLR
34 EXICSW
33 EXISLR
34 EXICSW
33 EXISLR
36 MDI
DATA1
FLR-A
CSW-A
SLR-A
LRCK-A
BCK-A
MCK-A
DATA3
DATA2
LRCK
BCK
SCK1
35 MC
34
34
45
47
46
46
41
40
38
VOUT1
FRONT-L
FRONT-R
SURROUND-L
SURROUND-R
CENTER
SW (LFE)
VOUT2
VOUT3
14
13
12
VOUT4
VOUT5
VOUT6
11
10
9
DATA4
31
ML
MDI
MC
ML
32 EXILRCK
31 EXIBCK
29 EXIMCK
31 EXIBCK
29 EXIMCK
9 XRST
123 WCK
126 WARFI
IC801
DSD DECODER
IC808
16Mbit
SD-RAM
IC802
DIGITAL AUDIO
PROCESSOR
IC302
DAC
SD0 – SD7
169 – 176
143
XWE
15 WE
145
XRAS
17 RAS
144
XCAS
16 CAS
142
DCKE
34 CKE
35 CLK
DQ0 – DQ7
DQ0 – DQ7
A0 – A11
2, 3, 5, 6, 8,
9, 11, 12
21-24, 27-32,
20, 19
D-FIL-INIT
D-FIL-SELEXT
139-136,
134-131
162-159, 157-154,
152, 151, 149, 148
A0 – A11
141
DCLK
66
DSAR
40 DSIFR
69
DSAC
41 DSICT
71
DSALFE
42 DSISW
74
DSALS
43 DSISL
76
DSARS
44 DSISR
60
BCKAO
38 DSBCK
13
EXCKO1
27 MCK
4
SELEXT
20
PLRCK
19
PBCK
17
MCKOUT
23
POFLR
22
POCSW
21
POSLR
AV0 – AV7
K
L
164
115
XSRQ
XSRQ
H
11 MCKI
768FS
E
J
N
D
A
TESTI
ISBTEST
XRST_DSD
XRST_DSD
DATA1
DATA3
DATA2
LRCK-ZIVA
BCK-ZIVA
XCK1
DATA0
47
INIT
MSDATO, MSDATI, MSCK,
XMSLAT, SHRRDY, SHRMUT,
ISBTEST, XRST_DSD
XMSLAT, SHRRDY, SHRMUT,
ISBTEST, XRST_DSD
O
8
DATA0 – DATA3,
LRCK-ZIVA,
BCK-ZIVA, XCK1
LRCK-ZIVA,
BCK-ZIVA, XCK1
D-FIL-SELECT, D-FIL-INIT, SWI
M
ML, MC, MDI
T
RF/SERVO
SECTION
RF/SERVO
SECTION
DVD DSP
SECTION
DVD DSP
SECTION
RF/SERVO
SECTION
RF/SERVO
SECTION
MAIN
SECTION
RF/SERVO
SECTION
DVD DSP
SECTION
MAIN
SECTION
DVD DSP
SECTION
IC301 (1/2)
SYSTEM CONTROLLER
IC701
LOADING
MOTOR
DRIVER
DRIVER
8 RIN
7 FIN
72
69
70
71
CMD FIN
73
CMD RIN
4
OUT1
2
OUT2
CDM CHK SW
CDM OUT SW
SW1
SW1
D-SEN
(SW3)
(SW3)
SW2
(DISC IN/OUT)
(TRIGGER)
(CHUKING)
F-IN
R-IN
MTR+
MTR-
CDM TRG SW
S701
S702
S703
M701
(LOADING)
M
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