DOWNLOAD Sony DAV-DZ720 / HCD-DZ720 Service Manual ↓ Size: 11.64 MB | Pages: 91 in PDF or view online for FREE

Model
DAV-DZ720 HCD-DZ720
Pages
91
Size
11.64 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
dav-dz720-hcd-dz720.pdf
Date

Sony DAV-DZ720 / HCD-DZ720 Service Manual ▷ View online

69
HCD-DZ720
Pin No.
Pin Name
I/O
Description
183
MUTE
O
MUTE signal output to Motor Driver (IC201)
184
MUTE123
O
MUTE123 signal output to Motor Driver (IC201)
185
REW
O
REW signal output to Motor Driver (IC201)
186
FWD
O
FWD signal output to Motor Driver (IC201)
187
ADSD0
O
Not used
188
XDACS
O
Not used
189
DAVCC
Power supply (+3.3V from IC105)
190
DACVDDC
I
Bandgap reference voltage (not used)
191
FS
O
Full scale adjustment (pull down)
192
CIN
Not used
193
DAVSS
Ground terminal
194
YUV1
O
Y signal output to VIDEO AMP (IC201)
195
DAVDD
Power supply (+3.3V from IC105)
196
YUV2
O
CHROMA signal output to VIDEO AMP (IC201)
197
DAVSS
Ground terminal
198
YUV3
O
VIDEO signal output to VIDEO AMP (IC201)
199
DAVDD
Power supply (+3.3V from IC105)
200
YUV4
O
Y signal output to VIDEO AMP (IC201)
201
DAVSS
Ground terminal
202
YUV5
O
Cb signal output to VIDEO AMP (IC201)
203
YUV6
O
Cr signal output to VIDEO AMP (IC201)
204
DVDD3
Power supply (SW+3.3V)
205
VSYN
O
Active low vertical sync output to HDMI Driver (IC701)
206
YUV7
Not used
207
SMBSY
O
Active low horizontal sync output to HDMI Driver (IC701)
208
SMSCK
O
SMS clock output
209
SMSDI
I
Audio data of SPDIF input
210
SMSDO
O
SMS data output
211
XSMCS
O
SMS CS output
212
DVDD3
Power supply (SW+3.3V)
213
ALRCK
O
Audio left/right channel clock
214
ABCK
O
Audio bit clock
215
ACLK
O
Audio DAC master clock
216
DVSS
Ground terminal
217
ASDATA0
O
Audio serial data 0
218
ASDATA1
O
Audio serial data 1
219
ASDATA2
O
Audio serial data 2
220
SPDATA
Not used
221
DVDD18
Power supply (+1.8V)
222
ASDATA4
O
Audio serial data 4
223
DVSS
Ground terminal
224
GPIO
Not used
225
SDPIF
O
SPDIF output (not used)
226
RFGND18
Ground terminal
227
RFVDD18
Power supply (RF+1.8V)
228
XTALO
O
Oscillator output signal (27MHz)(not used)
229
XTALI
I
Oscillator input signal (27MHz)
230
JITFO
O
RF jitter meter output  (not used)
231
JITFN
I
Negative input of operation amplifier for RF jitter meter (not used)
70
HCD-DZ720
Pin No.
Pin Name
I/O
Description
232
PLLVSS
Ground terminal
233
IDAC
Not used
234
PLLVDD3
Power supply (RF+3.3V)
235
LPFON
O
Negative output of loop filter amplifier
236
LPFIP
I
Positive input of loop filter amplifier
237
LPFIN
I
Negative input of loop filter amplifier
238
LPFOP
O
Positive output of loop filter amplifier
239
VDD3
I
Power supply (RF+3.3V)
240
VCM
I
Not used
241
VSS
Ground terminal
242
VREFP
Not used
243
VREFN
Not used
244
RFVDD3
Power supply (RF+3.3V)
245
RFRPDC
I
RFRP signal input
246
RFRPAC
I
RFRP signal input
247
HRFZC
I
High frequency RF ripple zero crossing
248
CRTPLP
O
Defect level filter capacitor connecting
249
RFGND
Ground terminal
250
CEQP
Not used
251
CEQN
Not used
252
OSP
O
RF offset cancellation capacitor connecting
253
OSN
I
RF offset cancellation capacitor connecting
254
RFGC
O
RF offset loop capacitor connecting for DVD-ROM
255
IREF
I
Current reference input (not used)
256
AVDD3
Power supply (RF+3.3V)
71
HCD-DZ720
SECTION  7
EXPLODED VIEWS
NOTE:
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
Items marked “*” are not stocked since they
are seldom required for routine service.
Some delay should be anticipated when
ordering these items.
The mechanical parts with no reference
number in the exploded views are not supplied.
Abbreviation
AUS
: Australian model
E3
: 240 V AC area in E model
KR
: Korean model
SP
: Singapore model
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
7-1.
OVERALL SECTION
1
2-652-972-01 PANEL, LOADING
2
4-232-478-41 FOOT
3
1-693-701-11 TUNER (FM/AM)  (TM10SKR) (KR)
3
1-693-702-11 TUNER (FM/AM) (TM10SE) (EXCEPT KR)
4
A-1154-455-A IO-S TERMINAL BOARD, COMPLETE
5
3-077-331-21 +BV3 (3-CR)
6
3-363-099-51 SCREW (CASE 3 TP2)
7
2-654-349-01 CASE (SH)
8
1-828-952-11 WIRE (FLAT TYPE)(9 CORE)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#3
7-685-871-01 SCREW +BVTT 3X6 (S)
Note:
If the wire (flat type) was replaced, fold it some as the
wire (flat type) before replacement.
The components identified by mark 0  or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
not supplied
not supplied
not supplied
#1
#1
#3
front panel section
b
b
a
a
6
7
6
1
3
2
5
2
#1
5
4
chassis section
8
72
HCD-DZ720
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
2-652-983-01 KNOB (VOL)
52
2-652-982-01 RING (VOL)
53
2-652-981-01 ORNAMENT (RIGHT)
54
2-652-980-01 ORNAMENT (PLAY)
55
2-652-984-01 WINDOW, INDICATION
56
2-652-979-01 ORNAMENT (POWER)
57
2-661-952-01 SHEET (WINDOW), ADHESIVE
58
3-943-995-31 EMBLEM (NO.5), SONY
59
2-652-977-01 BUTTON BASE (POWER)
60
2-661-871-11 PANEL, FRONT (SB)
61
3-087-053-01 +BVTP2.6 (3CR)
62
2-652-978-01 BUTTON BASE (PLAY)
63
A-1144-767-A JACK BOARD, COMPLETE
64
A-1144-764-A FL BOARD, COMPLETE
65
1-828-384-11 WIRE (FLAT TYPE)(23 CORE)
66
1-828-325-11 WIRE (FLAT TYPE)(13 CORE)
67
2-652-973-01 CAP (POWER)
68
2-652-975-01 CAP (FUNC)
69
2-652-974-01 CAP (PLAY)
70
2-652-976-01 CAP (AMS)
71
3-531-576-01 RIVET
7-2.
FRONT PANEL SECTION
61
61
67
68
69
70
62
61
64
61
63
51
54
55
52
53
60
not 
supplied
not 
supplied
including
S800
56
57
59
58
not 
supplied
not 
supplied
61
71
61
66
65
Note:
If the wire (flat type) was replaced, fold it some as the
wire (flat type) before replacement.
Refer to “Precaution when replacing the CAP” when
replacing the CAP (PLAY) or CAP (FUNC) or CAP (AMS)
or CAP (POWER). (See page 7)
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