Sony DAV-C700 / DAV-C900 / HCD-C700 / HCD-C900 Service Manual ▷ View online
29
HCD-C700/C900
3. Checking S Video Output S-C (DVD BOARD)
<Purpose>
This checks whether the S-C satisfies the NTSC Standard. If it is
not correct, the colors will be too dark or light.
<Purpose>
This checks whether the S-C satisfies the NTSC Standard. If it is
not correct, the colors will be too dark or light.
Mode
Video level adjustment in test mode
Signal
Color bars
Test point
CN003 pin 2
Instrument
Oscilloscope
Specification
286 ± 50 mVp-p
Connection:
Checking method:
1) Confirm that the S-C burst is 286 ± 50 mVp-p.
1) Confirm that the S-C burst is 286 ± 50 mVp-p.
Figure 5-3
286 ± 50 mVp-p
3
2
100
µ
F
75
Ω
±
1%
100k
±
1%
CN003
+
Oscilloscope
4-2. ADJUSTMENT RELATED PARTS
ARRANGEMENT
DVD BOARD (SIDE A)
1
2
9
CN003
RV501
VIDEO LEVEL ADJ
30
HCD-C700/C900
SECTION 5
DIAGRAMS
• CIRCUIT BOARDS LOCATION
LOAD MOTOR board
POWER board
RF-240 board
INIT/COUNT SW board
SENSOR board
SENSOR 2 board
OUT SW board
CONNECTOR
board
board
IN SW board
COMPONENT board
CLAMP MOTOR
board
board
DVD board
Tuner UNIT
I/O board
AMP board
DDCON-1089 board
FP-1089 board
DS-1089 board
SW-1089 board
FU-1089 board
HP-1089 board
PW-1089 board
31
31
HCD-C700/C900
• Indication of transistor
C E
B
These are omitted
Q
C
E
B
These are omitted
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
C
: panel designation.
For printed wiring boards.
Note:
• X
: parts extracted from the component side.
•
a
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
A
: B+ Line.
•
B
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• Voltages and waveforms are dc with respect to ground in
service mode.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark : STOP
tion tolerances.
no mark : STOP
• Circled numbers refer to waveforms.
• Signal path.
F
: FM
J
: CD
c
: DVD
g
: VIDEO
G
: Y
d
: CHROMA
r
: B-Y
q
: R-Y
• Abbreviation
AUS
: Australian model
CND
: Canadian model
HK
: Hong Kong model
MX
: Mexican model
MY
: Malaysia model
SP
: Singapore model
• WAVEFORMS
– RF-240 BOARD –
– RF-240 BOARD –
1
2
3
4
5
6
1.5Vp-p
500mV/DIV 400ns/DIV
1.8Vp-p
500mV/DIV 40ms/DIV
1.8Vp-p
500mV/DIV 200ms/DIV
190mVp-p
100mV/DIV 40ms/DIV
840mVp-p
500mV/DIV 40ms/DIV
IC001
tl
(SIGO) DVD PLAY
IC001
tl
(SIGO) CD PLAY
IC001
ra
(TE) DVD PLAY
IC001
ra
(TE) CD PLAY
IC001
rs
(FE) DVD PLAY
IC001
rs
(FE) CD PLAY
1.5Vp-p
500mV/DIV 100ns/DIV
7
8
9
0
qa
IC901
ek
(X2)
IC606
w;
(XMCK)
IC607
qs
(MCLK2)
IC102
7
(XTI)
IC103
td
(X1)
3.5Vp-p
6.25ns (16MHz)
3.5Vp-p
74ns (13.5MHz)
2Vp-p
37ns (27MHz)
81.4ns (12.288MHz)
3.4 Vp-p
60.6ns (16.5MHz)
3.8Vp-p
qs
qd
IC305
qd
(OUTL1+)
7.2 Vp-p
5 Vp-p
13
µ
s
20.3ns (49.152MHz)
IC300
4
qf
qg
qh
IC701
qf
,
qg
Test Mode (Video)
IC701
9
,
0
Test Mode (Video)
Q700
E
Test Mode (Video)
H
2.5Vp-p
H
0.9Vp-p
H
2Vp-p
– DVD BOARD –
– AMP BOARD –
– I/O BOARD –
– COMPONENT BOARD –
Note:
The components identified by
mark
The components identified by
mark
!
or dotted line with mark
!
are critical for safety.
Replace only with part number
specified.
specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Ne les remplacer que par une
pièce portant le numéro spécifié.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component A)
the parts face are indicated.
qj
qk
ql
IC703
9
,
q;
Test Mode (Video)
IC703
qs
,
qd
Test Mode (Video)
IC703
qf
,
qg
Test Mode (Video)
1.5 Vp-p
H
1.5 Vp-p
H
1.5 Vp-p
H
32
32
HCD-C700/C900
5-1. BLOCK DIAGRAMS
– RF/SERVO, VIDEO SECTION –
: FM
: CD
: DVD
: CHROMA
: Y
• Signal Path
• R-CH is omitted due to same as L-CH.
: VIDEO
: R-Y
: B-Y
DVD/CD
PDIC
OPTICAL PICK-UP
DVD/CD
LD MOD
DVD LD
DRIVE
Q001
CD LD
DRIVE
DRIVE
Q002
RF
A-D
E-H
VC
DVD LD
CD LD
PD
VR
SW
IC001
DVD/CD RF AMP
DIGITAL SERVO
RF IN
2
14
11
7
10
15
18
VC
19
DVD LD
25
CD LD
26
DVD PD
21
LD SEL
24
CD PD
22
A-D
E-H
A2-D2
59
SIGO
41
TE
40
TZIN
44
MON
33
MIRR
37
TZC
38
DFT
47
SCLK
48
SDEN
46
SWD
45
SRD
27
LDON
39
VCI
36
PI
35
PIIN
42
FE
IC401
FOCUS/TRACKING
COIL DRIVE
SPINDLE/SLED/LOADING
MOTOR DRIVE
FOCUS
COIL
DRIVE
FOCUS
COIL
FCS +/-
48
1
40
SVC
FDRV+
FDRV-
FDRV-
TRACKING
COIL
DRIVE
TRACKING
COIL
TRK +/-
3
4
TDRV+
TDRV-
SPINDLE
MOTOR
DRIVE
SPM +/-
13
MDSO
M
SPINDLE
MOTOR
47
46
45
27
41
46
45
44
40
39
38
56
57
78
1
48
12
8
11
10
9
SPFG
SLED
MOTOR
DRIVE
SLA +/-
SLB +/-
SLB +/-
7
SLDA
M
SLED
MOTOR
10
SLDB
16
LMP
M
ELEVATOR
UP/DOWN
M701
17
LMM
36
37
.
34
35
.
28
27
.
28
29
.
6
3.
2
7.
32
29
18
15
5
2
5
SLE
19
MUTE12
20
MUTE34
39
POWER SAVE
IC302
SERVO DSP
RFIN1
131
RFIN2
128
ADC0
135
ADC1
136
ADC2
137
ADC7
144
PGIN
172
MIRR
197
TZC
196
DFCTI
185
SCK
175
GIO13
180
SDO
174
ADC6
143
SDI
173
PDM2
204
PDM3
205
MDSO
159
MDPO
161
ADC4
140
PWM0
198
PWM1
199
ADC3
139
GIO9
176
GIO10
177
GIO2
168
GIO0
167
ADC5
142
LIMIT
SENSOR
INT2
166
PDM0
202
PDM1
203
15
LMCTL
PWM2
200
73
76
78
81
.
96
103
SD0-7
AD0-7
2
9
D0-7
11
15
17
19
.
A0-7
8
8
8
8
WSAD0-7
SDI0-7
HD8-15
HA0-7
95
PLCKO
66
DOUT
62
DATA
63
BCLK
65
LRCK
68
SDCK
69
XSHD
71
XSAK
72
SDEF
25
XWAT
207
XWR
208
XRD
195
TDO
194
TCK
192
TMS
191
TRST
156
XDSPRST
5
6
1
2
IC304
70
XSRQ
157
XARPRST
22
HINT
21
XINT
44
51
53
60
.
27
36
38
XMWR
41
XRAS
42
XOE
39
XCAS
MA0-9
MD0-15
MEMD0-15
MEMA0-9
IC303
16M
DRAM
IC503
AV DECODER
215
218
213
.
210
208
.
205
200
203
198
.
195
193
.
192
.
HD0-15
HAD0-21
31
34
36
39
.
16
22
8
DTI0-7
CDIN2
22
CDIN1
23
CDBCK
25
CDLRK
26
ICLK
41
ISTART
44
IVAL
45
IERR
43
HWAITOB
224
HRWB
221
HSCB
220
TCK
120
TMS
121
TRST
122
IREQ
46
VRIF 84
80
COMP OUT
74
Y OUT
77
C OUT
227 DMREQ1
223 HIREQO
229 DMREQ0
190 HAD23
191 HAD22
228 DMACK0
12 ACLK
226 DMACK1
29 CRPCLK
182
180 CLK
TDI 118
131
134
128
.
125
124
.
127
133
130
136
.
139
137
.
140
.
SDDQ0-15
174
.
177
171
.
168
.
165
.
163
.
160
.
158
.
159
.
157
162
.
164
.
167
.
170
.
173
.
176
.
.
.
.
SDDQ0-15
SDAQ0-11
.
.
144
SDCS0B
143
SDCS1B
155
SDDQM0
154
SDDQM1
149
SDCLK
146
SDCKE
152
SDWEOB
151
SDCKSOB
147
SDRASOB
IC504,505
16M
SDRAM
AVDD6 181
A3.3V
VIDEO
LEVEL
LEVEL
RV501
2
AVDD7 184
AVDD8 187
1.8V
REG
REG
IC501
1
D3.3V
IC801
PLAYBACK SIGNAL
PROCESSOR
29
WCK
123
8
111
114
117
120
.
169
176
WAD0-7
SD0-7
8
2
4
IC802
SDCK
166
XSHD
165
XSAK
167
TDI
27
SDEF
168
TCK
26
TMS
30
TRST
31
XSRQ
164
DCLK 141
64
DSAL
69
DSAC
71
DSALFE
74
DSALS
60
BCKAO
13
9 XRST
2
XMSLAT
7
MSREADY
10 SMUTE
6 MSDATO
4 MSDATI
3 MSCK
11 MCK
TDO
TDO
EXCKO
B
AUDIO
SECTION
D
MAIN
SECTION
139
136
134
131
.
DQ0-7
A0-11
IC803
16M
SDRAM
DCKE 142
XWE
143
XCAS 144
XRAS 145
SDATAL
SDATAC
SDATALF
SDATALS
DSBC
DSMCK
VIDEO IN
VIDEO1
VIDEO
Y
PB/B-Y
PR/R-Y
J700
4
3
2
1
C
Y
Y
CB
CR
A
AUDIO-1
SECTION
1
VIDEO IN
VIDEO2
J601,602 (1/2)
3
2
5
4
7
5
11
IC700
INPUT SEL
14
12
6
8
9
7
3
16
1
2
IC702
OUTPUT SEL
INA
2
INB
4
INC
7
15
OUTA1
14
OUTA2
13
OUTB1
12
OUTB2
10
OUTC1
9
OUTC2
MUTE
IC701
VIDEO AMP
1
MUTE
1
BUFFER
OFFSET
SWITCH
Q700,702,703
Q701,704
VIDEO OUT
VIDEO1
INC
7
INB
4
INA
2
10
OUTC1
9
OUTC2
13
OUTB1
12
OUTB2
15
OUTA1
14
OUTA2
IC703
VIDEO AMP
S VIDEO
MONITOR
OUT
J666
COMPONENT
VIDEO OUT
J600 (1/2)
VMUTE
VSEL2
VSEL1
CM
20
DO
63
CB/ROUT
66
CR/BOUT
3
2.5V
REG
REG
IC804
1
D3.3V
D2.5V
3
5V
REG
IC601
1
10V
VIDEO 5V
SPDIF
HCS
24
XCS
23
77
CPUCK
19
INT3
48
XDRVMUTE
84
XLDON
63
CS5X
62
CS4X
81
48/44.1K
IC102
CLOCK
GEN
14
15
7
8
10
13
3
X102
27MHz
MCKI
187
SCKI
189
CLKIN
182
IC107
IC108
16M
FLASH
OPT
16
HD0-15
21
HA1-21
21
4
2
2
2
2
4
HA1-21
HA0- 3
HA19
235
232
237
.
240
5
2
7
.
10
RSTB
231
SCLK
159
162
157
.
154
151
152
149
.
148
.
.
EXCKO
49
DREQ1
40
TRM + XKRRST
16
INT0
61
CS3X
60
CS2X
50
DACK1
47
DACK0
22
TSDM
5
MUTE5 21
SP MUTE
TSD
16
4
5
HD0-15
HD8-11
46
DREQ0
IC103 (1/2)
SYSTEM CONTROL
17
INT1
18
INT2
36
XARPRST
35
XRST
67
XW
AIT
70
XRD
71
XWRH
58
CS0X
65
CS6X
76
XFRST
512FS AVD
33M AVD
27M AVD
TRM/XKRCS 8
21
22
28
29
30
INT5
INT6
SI1
SO1
SC1
82
WIDE
C
CPU
SECTION
TRST
85 100
HD0-15
16
102 109 .
120
1
5
111 118 .
.
HA0-21
22
(KHM-240 AAA)
IC701
MOTOR DRIVE
M
(LOADING)
M702
32
33
.
3
6.
2
7.
IC702
MOTOR DRIVE
S707
ROTARY
ENCODER
DISC TRAY
ADDRESS DETECT
IC201
FGA
D0 - 3
SHA0 - 3
SHA19
CK
XRST
WRN
RDN
INT
CS5
TRMP
TRMM
TRMM
CKMP
CKMM
CKMM
D704
Q703
(DISC IN DETECT)
Q701
DSW1
CLAPSW0
CLAPSW1
MIC_MUTE
CLAPBSY
OTASUKE
ECHO_MUTE
MEGAMUTE
S702
(LID)
(LID)
S701
(MID OUT)
S708
(OUT)
S704
(IN)
S703
(MID IN)
S705
(INIT)
S706
(COUNT)
CKSW1
OCSW1
OCSW2
E1
E2
E3
Click on the first or last page to see other DAV-C700 / DAV-C900 / HCD-C700 / HCD-C900 service manuals if exist.