Sony HCD-FX250 Service Manual ▷ View online
HCD-FX250
25
IC950 TK11133CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
– PANEL Board –
IC301 BD3491FS-SE2
1
B1
20 BCB1
19 BCA1
18 BCA2
19 BCA1
18 BCA2
22 SB2
21 OUT2
24 SB1
23 SR
23 SR
26 VCC
25 OUT1
28 SDA
27 SCL
27 SCL
30 FIL
29 GND
29 GND
17 BCB2
2
B2
3
C1
5
D1
6
D2
4
C2
13
VOL1
14
VOL2
15
TC2
16
TC1
7
E1
8
E2
11
SEL2
12
SEL1
INPUT
SELECTOR
TREBLE/
BASS
BUFFER
VOLUME
INPUT
GAIN
SURROUND
I2C BUS
LOGIC
9
F1
10
F2
32 SDA
31 SCL
31 SCL
IC802 S-80928CNNB-G8YT2G
1
VSS
2
VDD
3 CD
4 OUT
+
–
–
DELAY
CIRCUIT
VREF
IC970, 980 TK11140CSCL-G
CONTROL
CIRCUIT
BANDGAP
REFERENCE
+
–
OVER HEAT &
OVER CURRENT
PROTECTION
1
VCONT
3
NP
2
GND
4
VOUT
5
VIN
26
HCD-FX250
6
4
#1
#2
#2
5
not supplied
(Refer to note)
1
2
2
7
3
top panel section
front panel section
#1
chassis section
SECTION 6
EXPLODED VIEWS
1
4-171-957-01 KNOB
(VOL)
2
3-077-331-21 +BV3
(3-CR)
3
3-087-053-01 +BVTP2.6
(3CR)
4
4-171-952-71 PANEL
(REAR)
5
3-198-753-11 FOOT
(FELT)
6
4-191-085-01 SHEET,
COPPER
7
4-985-672-01 SCREW (+PTPWH M2.6), FLOATING
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#2
7-685-647-79 SCREW +BVTP 3X10 TYPE2 IT-3
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
Note:
• -XX and -X mean standardized parts, so
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Items marked “*” are not stocked since
they are seldom required for routine ser-
vice. Some delay should be anticipated
when ordering these items.
vice. Some delay should be anticipated
when ordering these items.
• The mechanical parts with no reference
number in the exploded views are not sup-
plied.
plied.
• Color Indication of Appearance Parts Ex-
ample:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet’s Color
6-1. OVERALL SECTION
The components identifi ed by mark
0
or dotted line with mark
0 are critical for
safety.
Replace only with part number specifi ed.
Replace only with part number specifi ed.
Note: Coating clip has been deleted while producing. Therefore, there is
a set where a fl exible fl at cable is not fi xed with coating clip either.
27
HCD-FX250
6-2. TOP PANEL SECTION
51
A-1748-697-A BD73 BOARD, COMPLETE
52
1-834-268-21 WIRE (FLAT TYPE) (16 CORE)
53
4-985-672-01 SCREW (+PTPWH M2.6), FLOATING
54
3-931-379-31 RUBBER, VIBRATION PROOF (GREEN)
55
3-931-379-21 RUBBER, VIBRATION PROOF (RED)
0 56
A-1780-028-A OPTICAL PICK-UP BLOCK (DA11MMVGP)
(Including sled motor, spindle motor)
57
4-166-010-01 COVER
(D1)
58
4-232-238-01 DAMPER
59
4-171-954-11 PANEL
(TOP)
60
4-171-965-01 SPRING
CD
61
4-161-552-01 PULLEY, CHUCKING (D1)
62
1-452-899-31 MAGNET
63
3-253-143-01 SCREW (B2.6), (+) P TAPPING
64
4-171-955-21 LID
CD
65
3-080-204-31 SCREW,
TAPPING,
P2
S001
1-771-853-11 SWITCH, DETECTION (LIMIT)
SW880
1-692-960-11 SWITCH, PUSH (1 KEY)
(CD LID OPEN/CLOSE DETECT)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
not supplied
56
(including sled motor, spindle motor)
51
52
53
54
53
53
S001
SW880
not supplied
(sled motor)
(sled motor)
not supplied
not supplied
(spindle motor)
(spindle motor)
55
55
57
59
58
54
65
60
61
62
63
64
28
HCD-FX250
6-3. FRONT PANEL SECTION
101
4-171-953-01 PLATE
(FRONT)
102
X-2547-708-1 FRONT
ASSY
103
3-087-053-01 +BVTP2.6
(3CR)
104
4-171-958-01 BUTTON (FUNCTION) (FUNCTION, u, x)
105
4-171-959-01 BUTTON (POWER) (I/1)
106
1-832-876-21 CABLE, FLEXIBLE FLAT (21 CORE)
107
A-1749-739-A PANEL BOARD, COMPLETE
108
1-832-587-21 CABLE, FLEXIBLE FLAT (15 CORE)
(length: 200 mm) (Former)
108
1-838-301-21 CABLE, FLEXIBLE FLAT (15 CORE)
(length: 185 mm) (New)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
103
103
101
102
104
105
106
107
not supplied
108
Note: Length has been changed while producing FLEXIBLE FLAT
CABLE (15 CORE) (Ref. No. 108). Exchange it for the parts of
the same length when replacing FLEXIBLE FLAT CABLE (15
CORE).
the same length when replacing FLEXIBLE FLAT CABLE (15
CORE).
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