Sony DAV-DX375 / HCD-DX375 Service Manual ▷ View online
77
HCD-DX375
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)
78
HCD-DX375
SECTION 7
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.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
7-1.
OVERALL SECTION
1
2-653-086-01 PANEL, LOADING
2
4-232-478-41 FOOT
3
3-077-331-21 +BV3 (3-CR)
4
1-828-953-11 WIRE (FLAT TYPE) (9 CORE)
5
1-693-703-11 TUNER (FM/AM) (TM10SU)
6
A-1176-128-A I/O BOARD, COMPLETE
7
3-363-099-51 SCREW (CASE 3 TP2)
8
2-653-945-01 CASE
✩ 9
A-1148-813-A DMB12 BOARD, COMPLETE
10
1-787-331-11 FAN, D.C.
11
1-828-292-11 WIRE (FLAT TYPE) (5 CORE)
12
1-828-319-11 WIRE (FLAT TYPE) (11 CORE)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#3
7-685-881-09 SCREW +BVTT 4X8 (S)
#5
7-685-871-01 SCREW +BVTT 3X6 (S)
#9
7-682-547-04 SCREW +B 3X6
Note:
If the wire (flat type) was replaced, fold it some as the
wire (flat type) before replacement.
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.
dotted line with mark 0 are critical for safety.
Replace only with part number specified.
#1
#1
#5
#1
#1
#9
#3
b
a
a
7
8
7
5
#1
not
supplied
not
supplied
front panel section
chassis section
10
4
1
2
2
3
b
6
9
11
3
3
not
supplied
not
supplied
3
3
3
12
✩
New part of EEP ROM (IC103, IC706) on the DMB12 board cannot be used.
Therefore, if the mounted DMB12 board (A-1148-813-A) is replaced,
exchange new EEP ROM (IC103, IC706) with that used before the
replacement.
Therefore, if the mounted DMB12 board (A-1148-813-A) is replaced,
exchange new EEP ROM (IC103, IC706) with that used before the
replacement.
79
HCD-DX375
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
2-654-836-01 KNOB (VOL)
52
2-654-835-01 RING (VOL)
53
2-653-097-01 ORNAMENT (RIGHT)
54
2-653-096-01 ORNAMENT (PLAY)
55
2-653-098-01 WINDOW, INDICATION
56
2-664-622-01 SHEET (WINDOW), ADHESIVE
57
2-653-095-01 ORNAMENT (POWER)
58
2-653-085-51 PANEL, FRONT
59
2-653-087-01 CAP (POWER)
60
2-653-092-01 BUTTON, BASE (POWER)
61
3-087-053-01 +BVTP2.6 (3CR)
62
2-653-091-01 BUTTON (DISC)
63
2-653-094-01 INDICATOR (DISC)
64
A-1194-844-A JACK BOARD, COMPLETE
65
2-653-093-01 BUTTON BASE (PLAY)
66
2-653-089-01 CAP (FUNC)
67
2-653-088-01 CAP (PLAY)
68
2-653-090-01 CAP (AMS)
69
A-1194-843-A LED BOARD, COMPLETE
70
A-1148-821-A FL BOARD, COMPLETE
71
1-828-384-11 WIRE (FLAT TYPE) (23 CORE)
72
3-531-576-01 RIVET
7-2.
FRONT PANEL SECTION
53
54
55
56
57
58
51
52
including
S800
S800
61
71
61
69
70
61
61
72
61
62
63
65
66
67
64
60
59
not
supplied
not
supplied
not
supplied
not
supplied
66
66
68
Note:
If the wire (flat type) was replaced, fold it some as the
wire (flat type) before replacement.
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 6)
replacing the CAP (PLAY) or CAP (FUNC) or CAP (AMS)
or CAP (POWER). (See page 6)
Ver. 1.2
80
HCD-DX375
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
3-077-331-21 +BV3 (3-CR)
102
1-828-319-11 WIRE (FLAT TYPE) (11 CORE)
103
1-828-370-11 WIRE (FLAT TYPE) (21 CORE)
104
1-828-985-11 WIRE (FLAT TYPE) (15 CORE)
105
1-828-310-11 WIRE (FLAT TYPE) (9 CORE)
106
3-077-331-01 +BV3 (3-CR)
107
A-1179-159-A MAIN BOARD, COMPLETE
108
A-1146-005-A POWER BOARD, COMPLETE
0 109
1-830-190-11 CORD, POWER
110
3-703-244-00 BUSHING (2104), CORD
111
4-232-478-41 FOOT
112
4-059-585-01 TIE, CABLE
113
2-597-972-51 SHEET, RADIATION
114
2-597-972-11 SHEET, RADIATION
115
1-828-774-51 WIRE (FLAT TYPE) (24 CORE)
0 F901
1-532-749-11 FUSE, GLASS TUBE (8A/125V)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#2
7-685-648-79 SCREW +BVTP 3X12 TYPE2 IT-3
#4
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
7-3.
CHASSIS SECTION
Note:
If the wire (flat type) was replaced, fold it some as the
wire (flat type) before replacement.
wire (flat type) before replacement.
F901
101
not supplied
101
105
DVD mechanism
deck section
deck section
108
111
101
101
112
107
106
101
not
supplied
supplied
not supplied
not
supplied
supplied
not
supplied
supplied
#2
#1
not
supplied
supplied
not
supplied
supplied
#1
#4
103
104
102
109
110
114
113
115
Ver. 1.3
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