Sony HCD-FX900W Service Manual ▷ View online
89
HCD-FX900W
Pin No.
Pin Name
I/O
Description
115
RD7
O
Data bus 7 from SD-RAM (IC104)
116
DVSS
—
Ground terminal
117, 118
RD 6, 5
O
Data bus 6, 5 from SD-RAM (IC104)
119
DVSS
—
Ground terminal
120, 121
RD 4, 3
O
Data bus 4, 3 from SD-RAM (IC104)
122
DVDD18
—
Power supply (+1.8V from IC110)
123 to 125
RD 2 to 0
O
Data bus 2 to 0 from SD-RAM (IC104)
126
RD15
O
Data bus 15 from SD-RAM (IC104)
127
DVDD3
—
Power supply (SW+3.3V)
128
RD 14
O
Data bus 14 from SD-RAM (IC104)
129 to 133
RD 13 to 9
O
Data bus 13 to 9 from SD-RAM (IC104)
134
DVSS
—
Ground terminal
135
RD8
O
Data bus 8 from SD-RAM (IC104)
136
LIMITSW
I
LIMITSW signal input
137
DQM1
O
DQM1 signal output to SD-RAM (IC104)
138
RWE
O
WE signal output to SD-RAM (IC104)
139
CAS
O
CAS signal output to SD-RAM (IC104)
140
RAS
O
RAS signal output to SD-RAM (IC104)
141
DVDD3
—
Power supply (SW+3.3V)
142
RCS
O
RCS signal output to SD-RAM (IC104)
143
BA0
O
BAO signal output to SD-RAM (IC104)
144
DVSS
—
Ground terminal
145
BA1
O
BA1 signal output to SD-RAM (IC104)
146
RA10
O
Address bus 10 output to SD-RAM (IC104)
147
RA0
O
Address bus 0 output to SD-RAM (IC104)
148
DVSS
—
Ground terminal
149 to 151
RA 1 to 3
O
Address bus 1 to 3 output to SD-RAM (IC104)
152
DVDD18
—
Power supply (+1.8V from IC110)
153
RVREF
—
Reference voltage (not used)
154
RCLKB
—
Dram clock (not used)
155
DVDD3
—
Power supply (SW+3.3V)
156
DRCLK
O
CLK signal output to SD-RAM (IC104)
157
CKE
O
CKE signal output to SD-RAM (IC104)
158 to 160
RA 11 to 8
O
Address bus 11 to 8 output to SD-RAM (IC104)
161
DVSS
—
Ground terminal
162
RA7
O
Address bus 7 output to SD-RAM (IC1104)
163
DVSS
—
Ground terminal
164 to 166
RA 6 to 4
O
Address bus 6 to 4 output to SD-RAM (IC104)
167
DVDD3
—
Power supply (SW+3.3V)
168 to 172
SMPTE_Y (7) to Y (3)
O
VIDEO signal output to HDMI Driver (IC701)
173
DVDD18
—
Power supply (+1.8V from IC110)
174
SMPTE_Y (2)
O
VIDEO signal output to HDMI Driver (IC701)
175
DVSS
—
Ground terminal
176 to 177
SMPTE_Y (1) to Y (0)
O
VIDEO signal output to HDMI Driver (IC701)
178
VCLK
O
System clock output
179
WIDE
I
Wide switch signal input
180
ADSCK
—
Not used
181
TSD_M
O
TSDM signal output to Motor Driver (IC201)
182
DVDD3
—
Power supply (SW+3.3V)
90
HCD-FX900W
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
O
Main audio mute signal
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
I
Ex. analog audio data input
221
DVDD18
—
Power supply (+1.8V)
222
ASDATA4
O
Audio serial data 4
223
DVSS
—
Ground terminal
224
OPIO
—
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)
91
HCD-FX900W
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
—
Power supply (RF+3.3V)
240
VCM
I
Not used
241
VSS
—
Ground terminal
242
VREFP
I
SACD top reference
243
VREFN
I
SACD bottom reference
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
O
RF offset cancellation capacitor connecting
254
RFGC
O
RF offset loop capacitor connecting for DVD-ROM
255
IREF
I
Current reference input (not used, pull down)
256
AVDD3
—
Power supply (RF+3.3V)
92
HCD-FX900W
SECTION 8
EXPLODED VIEWS
NOTE:
•
-XX and -X mean standardized parts, so they
may have some difference from the original
one.
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.
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.
number in the exploded views are not supplied.
•
Abbreviation
CND
CND
: Canadian model
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
8-1.
OVERALL ASSY
The components identified by mark 0 or
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
Les composants identifiés par une marque 0
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant le
numéro spécifié.
sont critiques pour la sécurité.
Ne les remplacer que par une pièce portant le
numéro spécifié.
1
2-660-956-01 PANEL, TOP (REAR)
2
2-663-230-01 PANEL, TOP
3
2-666-992-01 BRACKET (TOP)
4
2-660-954-01 PANEL, SIDE (L)
5
2-660-955-01 PANEL, SIDE (R)
6
2-660-944-02 PANEL, LOWER
7
4-232-478-41 FOOT
8
A-1154-520-A JACK BOARD, COMPLETE
9
3-077-331-01 +BV3 (3-CR)
10
3-077-331-21 +BV3 (3-CR)
#1
7-621-775-10 SCREW +B 2.6X4
#2
7-685-647-79 SCREW +BVTP 3X10 TYPE2 TT (B)
#3
7-685-648-79 SCREW +BVTP 3X12 TYPE2 IT-3
chassis section-1
#2
#1
#3
not
supplied
not
supplied
front panel section
a
a
2
3
4
1
9
9
9
9
5
7
8
10
6
10
10
10
9
9
10
10
Click on the first or last page to see other HCD-FX900W service manuals if exist.