Sony CMT-M373NT / HCD-M373 Service Manual ▷ View online
89
HCD-M373
• IC704
MB89537ACPFM-G-405-BND USB-I2C CONVERTER (DIGITAL Board)
Pin No.
1 to 10
11
12
13
14
15
16
17
18
19
20, 21
22
23
24
25 to 47
48
49
50
51
52
53
54, 55
56
57 to 60
61
62
63, 64
I/O
—
—
—
—
I
I
I
I
—
I
I
I
O
—
—
I
—
—
O
O
I
—
—
—
I/O
I/O
—
Pin Name
NC
AVCC
AVR
AVSS
REQ
P.DOWN
BUSY
SLEEP
NC
XRST
MOD0, MOD1
X0
X1
VSS
NC
I2CBUSY
NC
C
CLK
TX
RX
NC
VCC
NC
IC2DATA
I2CCLK
NC
Description
Not used (open)
Power supply terminal (A/D converter)
Reference voltage terminal (A/D converter)
Ground terminal (A/D converter)
Transfer request signal input from the USB I/F (IC703)
System power down detection signal input
BUSY signal input from the USB I/F (IC703)
SLEEP signal input from the USB I/F (IC703)
Not used (open)
Reset signal input
Mode setting terminal (connected to the ground)
Main clock input (10MHz)
Main clock output (10MHz)
Ground terminal
Not used (open)
I2C BUSY signal input (fixed at “H”)
Not used (open)
Capacitor connection terminal
Serial clock output to the USB I/F (IC703)
Serial data output to the USB I/F (IC703)
Serial data input from the USB I/F (IC703)
Not used (open)
Power supply terminal
Not used (open)
I2C communication data input/output
I2C communication clock input/output
Not used (open)
90
HCD-M373
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
SECTION 7
EXPLODED VIEWS
7-1. OVERALL SECTION
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences 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 components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
•
The mechanical parts with no reference
number in the exploded views are not supplied.
number in the exploded views are not supplied.
1
20
21
2
3
7
19
8
9
13
14
15
15
16
16
a
c
c
b
b
a
4
10
11
23
5
5
22
12
18
22
6
#1
#1
#1
#4
#2
FAN801
#12
#12
#1
#1
#6
#3
#6
#1
#1
#1
#6
#11
#1
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
not
supplied
MD mechanism deck
section-1 (MDM-7S2D)
front panel section
chassis section
1
A-4730-687-A TC BOARD, COMPLETE
2
1-824-192-11 WIRE (FLAT TYPE) (8 CORE)
3
1-796-456-31 DECK, MECHANICAL (CMAL1Z-236A)
4
4-224-104-41 DAMPER
5
4-235-097-21 SCREW (CASE 3 TP2)
6
4-243-194-11 CASE (L)
7
X-4955-102-2 LID (TC) ASSY/S
8
4-243-212-12 CASE (T)
9
4-243-217-01 SPRING (TC), TORSION
10
4-224-117-11 SPRING (PUSH),COMPRESSION
11
4-224-116-01 BRACKET (PUSH)
12
4-243-195-11 CASE (R)
13
1-792-830-11 WIRE (FLAT TYPE) (17 CORE)
14
1-792-829-11 WIRE (FLAT TYPE) (27 CORE)
15
4-228-643-01 SCREW (+BVTTWH M3), STEP
16
4-231-555-01 INSULATOR
18
4-231-113-01 SCREW (1.7X3), BTN
19
4-243-219-01 SPRING (TC), LEAF
20
1-773-121-11 WIRE (FLAT TYPE) (19 CORE)
21
4-933-134-11 SCREW (+PTPWH M2.6X8)
22
3-363-099-11 SCREW (CASE 3 TP2)
23
4-951-620-01 SCREW (2.6X8), +BVTP
FAN801 1-787-021-11 FAN, DC
#1
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#2
7-684-024-04 N 4, TYPE 2
#3
7-685-861-01 SCREW +BVTT 2.6X5 (S)
#4
7-682-564-09 SCREW +B 4X14
#6
7-685-647-79 SCREW +BVTP 3X10 TYPE2 TT(B)
#11
7-685-205-11 SCREW +KTP 2X8 TYPE2 NON-SLIT
#12
7-685-871-01 SCREW +BVTT 3X6 (S)
91
HCD-M373
7-2. FRONT PANEL SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
51
4-925-161-91 EMBLEM (4-A), SONY
52
4-246-117-01 KNOB SPIN (VOL)
53
4-243-197-41 LID (REC)
54
4-239-731-01 FOOT (FELT)
55
4-231-954-01 SPRING (LID MD), TORSION
56
X-4956-448-1 PANEL ASSY, FRONT
57
4-243-201-01 SPACER (LCD)
58
4-243-192-01 INDICATOR (POWER)
59
4-243-204-01 BUTTON (POWER)
60
4-243-222-01 WINDOW (IR)
61
4-243-206-02 BUTTON (FUNCTION)
62
4-243-191-13 RING (FUNCTION)
63
4-243-223-13 BUTTON (PLAY)
64
4-243-198-01 PLATE, LIGHT GUIDE
65
4-243-208-11 BUTTON (MD EJECT)
66
4-243-218-02 BUTTON (CD EJECT)
67
4-243-216-12 BUTTON (REC)
68
4-243-225-01 SHEET, DIFFUSION
69
A-4732-584-A HP BOARD, COMPLETE
70
SCREW (+PTPWH M2.6X8)
71
4-951-620-01 SCREW (2.6X8), +BVTP
72
4-243-199-01 HOLDER (LCD)
73
1-773-114-11 WIRE (FLAT TYPE) (19 CORE)
75
A-4734-754-A PANEL BOARD, COMPLETE
76
1-686-406-12 LED BOARD
77
4-243-202-02 INDICATOR (MD LIGHT)
LCD401 1-804-785-11 DISPLAY PANEL, LIQUID CRYSTAL
51
57
58
59
60
63
62
61
77
65
66
67
71
71
71
69
72
73
76
68
64
75
70
71
52
53
54
55
56
not
supplied
supplied
not
supplied
supplied
LCD401
not
supplied
supplied
92
HCD-M373
7-3. CHASSIS SECTION
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
101
X-4955-203-3 PANEL, LOADING ASSY
102
1-686-403-11 TRANS BOARD
103
1-824-699-11 WIRE (FLAT TYPE) (23 CORE)
104
A-4730-631-A DIGITAL BOARD, COMPLETE
105
1-827-294-11 WIRE (FLAT TYPE) (25 CORE)
106
1-773-004-11 WIRE (FLAT TYPE) (15 CORE)
107
1-693-604-11 TUNER (FM/AM)
108
A-4732-582-A MAIN BOARD, COMPLETE
109
1-686-397-11 REG BOARD
110
A-4732-583-A AMP BOARD, COMPLETE
111
A-4732-585-A POWER BOARD, COMPLETE
0 112
1-775-787-62 CORD, POWER
113
3-703-244-00 BUSHING (2104), CORD
114
3-531-576-01 RIVET
116
4-951-620-01 SCREW (2.6X8), +BVTP
0 F981
1-533-471-11 FUSE, GLASS TUBE (DIA. 5) (T4AL/250V)
0 F983
1-533-471-11 FUSE, GLASS TUBE (DIA. 5) (T4AL/250V)
0 F985
1-533-471-11 FUSE, GLASS TUBE (DIA. 5) (T4AL/250V)
0 F987
1-533-471-11 FUSE, GLASS TUBE (DIA. 5) (T4AL/250V)
0 T900
1-437-950-11 TRANSFORMER, POWER
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#5
7-685-650-79 SCREW +BVTP 3X16 TYPE2 IT-3
#6
7-685-647-79 SCREW +BVTP 3X10 TYPE2 TT(B)
#12
7-685-871-01 SCREW +BVTT 3X6 (S)
101
104
105
106
106
107
108
109
116
F987
F983
F981
F985
110
111
114
112
113
102
103
#12
not
supplied
supplied
not
supplied
supplied
T900
not
supplied
supplied
not
supplied
supplied
not supplied
not supplied
CD mechanism deck section
(CDM55A-30BBD61B)
(CDM55A-30BBD61B)
#1
#1
#1
#12
#12
#6
#5
#1
#12
#12
#12
#1
#12
#12
#12
#12
#12
a
a
b
b
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
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