Sony CMT-NEZ31 / HCD-NEZ31 Service Manual ▷ View online
33
HCD-NEZ31
Pin No.
Pin Name
I/O
Description
46
O-POWER
O
Power relay drive signal output terminal "H": on
47
I-SUFFIX
I
Model destination setting terminal
48
I-RE-VOL
I
Dial pulse input of the rotary encoder (for VOLUME control)
49
I-MP3-REQ
I
MP3 data request signal input from the CD DSP
50
I-MP3-ACK
I
MP3 acknowledge signal input from the CD DSP
51 to 53
MD2 to MD0
-
Not used
54
RESET
I
Reset signal input from the reset switch "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
55
O-TU-CE
O
Chip enable signal output to the tuner (FM/AM)
56
O-TU-CLK
O
serial data transfer clock signal output to the tuner (FM/AM)
57
O-TU-DI
O
Serial data output to the tuner (FM/AM)
58
VLCD
-
Terminal for doubler circuit capacitor connection to develop liquid crystal display drive voltage
59 to 62
COM0 to COM3
O
Common drive signal output to the liquid crystal display
63, 64
SEG0, SEG1
O
Segment drive signal output to the liquid crystal display
65
VCC
-
Power supply terminal (+3.2V)
66
GND
-
Ground terminal
67 to 89
SEG2 to SEG24
O
Segment drive signal output to the liquid crystal display
90
VCC
-
Power supply terminal (+3.2V)
91
VSS
-
Ground terminal
92
XI
I
Main system clock input terminal (4.19 MHz)
93
XO
O
Main system clock output terminal (4.19 MHz)
94 to 100 SEG25 to SEG31
O
Segment drive signal output to the liquid crystal display
34
HCD-NEZ31
SECTION 8
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-247-752-01 FOOT, RUBBER
2
3-087-053-01 +BVTP2.6 (3CR)
3
2-581-399-51 CABINET
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
#2
7-685-647-79 SCREW +BVTP 3X10 TYPE2 N-S
#4
7-685-871-01 SCREW +BVTT 3X6 (S)
8-1.
CABINET SECTION
•
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.
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.
•
Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
The components identified by mark
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
1
1
2
2
3
cabinet (top) section
mechanical deck
section
section
MAIN board section
not supplied
not supplied
not
supplied
supplied
#1
#2
#1
#2
not supplied
(WIRE300)
(WIRE300)
#4
35
HCD-NEZ31
8-2.
MECHANICAL DECK SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
X-2103-436-1 LID ASSY, CASSETTE
52
4-245-034-01 SPRING (CASSETTE)
53
2-581-395-01 HOLDER (CASSETTE)
54
4-238-631-01 TAPE SPRING
55
1-797-510-11 DECK, MECHANICAL (CMAL5Z235A)
56
3-087-053-01 +BVTP2.6 (3CR)
57
A-1158-127-A HEAD PHONE BOARD, COMPLETE
51
60
52
61
53
56
62
63
56
54
55
57
58
59
FFC501
HEAD PHONE board
not supplied
(EPT500)
(EPT500)
not supplied
(WIRE200)
(WIRE200)
not supplied
not supplied
PANEL board section
not supplied
58
4-933-134-11 SCREW (+PTPWH M2.6X8)
59
4-224-104-41 DAMPER
60
4-231-841-01 SPRING (HEART CAM-B)
61
4-231-825-01 CAM (B), HEART
62
2-655-725-01 BELT (MAIN)
63
2-655-726-01 BELT (MO), F/R
FFC501
1-831-785-21 CABLE, FLEXIBLE FLAT (13 CORE)
36
HCD-NEZ31
8-3.
PANEL BOARD SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
2-581-385-21 KNOB (VOL)
102
X-2149-351-1 PANEL ASSY, FRONT
103
A-1158-554-A PANEL BOARD, COMPLETE
104
2-581-391-01 PLATE, LIGHT GUIDE
105
2-581-390-01 HOLDER (LCD)
106
3-087-053-01 +BVTP2.6 (3CR)
107
2-591-582-02 PLATE (FRONT FFC), PROTECTION
108
2-586-988-12 SHEET (LCD), DIFFUSION
D804
6-501-139-01 LED SELU2B10A-SLF62 (LCD BACK LIGHT)
D805
6-501-139-01 LED SELU2B10A-SLF62 (LCD BACK LIGHT)
FFC801
1-832-196-21 CABLE, FLEXIBLE FLAT (6 CORE)
FFC803
1-831-770-21 CABLE, FLEXIBLE FLAT (9 CORE)
FFC804
1-831-781-21 CABLE, FLEXIBLE FLAT (11 CORE)
FFC805
1-831-797-21 CABLE, FLEXIBLE FLAT (17 CORE)
LCD801 1-805-783-21 DISPLAY PANEL, LIQUID CRYSTAL
106
106
106
101
107
102
103
104
108
105
LCD801
D804,
D805
D805
FFC803
PANEL board
FFC801
FFC804
FFC805
Click on the first or last page to see other CMT-NEZ31 / HCD-NEZ31 service manuals if exist.