DOWNLOAD Sony HCD-M70 Service Manual ↓ Size: 4.13 MB | Pages: 53 in PDF or view online for FREE

Model
HCD-M70
Pages
53
Size
4.13 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-m70.pdf
Date
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35
HCD-M70
Pin No.
Pin Name
I/O
Description
38
RST
I
System reset signal input    “L”: reset
For several hundreds msec. after the power supply rises,  “L”: is input, then it changes to “H”
39
EXTAL1
I
Main system clock input terminal (4.19MHz)
40
XTAL1
O
Main system clock output terminal (4.19MHz)
41
VSS
—
Ground terminal
42
XTAL2
O
System clock output terminal    Not used
43
EXTAL2
I
System clock input terminal    Not used
44
AVREF
I
Reference voltage (+5V) input terminal (for A/D conversion)
45
AVSS
—
Ground terminal (for A/D conversion)
46
VL
O
Liquid crystal display bias on/off control signal output
47 to 49
VLC3 to VLC1
—
Power supply terminal for the liquid crystal display bias
50 to 53
COM0 to COM3
O
Common drive signal output to the liquid crystal display
54 to 85
SEG0 to SEG31
O
Segment drive signal output to the liquid crystal display
86
C-RST
O
Reset signal output to the digital signal processor and motor/coil driver    “L”: reset
87
AU-CE
O
Chip enable signal output to the electrical volume
88
SDA
O
Serial data output to the electrical volume
89
VDD
—
Power supply terminal (+5V)
90
NC
—
Not used
91
VSS
—
Ground terminal
92
TX
O
Sub system clock output terminal (32.768kHz)
93
TEX
I
Sub system clock input terminal (32.768kHz)
94
TRAY-CLOSE
O
Motor drive signal (close direction) output to the loading motor driver    “H” active
95
TRAY-OPEN
O
Motor drive signal (open direction) output to the loading motor driver    “H” active
96
TC-ON
O
LED drive signal output of the TAPE indicator    “H”: LED on
97
AU-MUTE
O
Audio line muting on/off control signal output    “H”: muting on
98
STAND-BY LED
O
LED drive signal output of the standby indicator    “H”: LED on
99
WP
I
Wakeup control signal input
100
C-SCOR
I
Subcode sync (S0+S1) detection signal input from the digital signal processor
36
HCD-M70
7-1. PANEL (SIDE)  SECTION
SECTION  7
EXPLODED  VIEWS
• Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
• Accessories are given in the last of the elec-
trical parts list.
NOTE:
• -XX and -X mean standardized parts, so they
may have some difference from the original
one.
• Color Indication of Appearance Parts
Example:
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color Cabinet's Color
• Abbreviation
AUS : Australian model
CND : Canadian model
KR
: Korean model
MX : Mexican model
SP
: Singapore model
TH
: Thai model
Les composants identifiés par une
marque 0 sont critiquens pour la
sécurité.
Ne les remplacer que par une pièce
portant le numéro spécifié.
The components identified by mark
0 or dotted line with mark 0 are
critical for safety.
Replace only with part number
specified.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
4-238-706-01 PANEL (SIDE) (L) (SILVER)
1
4-238-706-11 PANEL (SIDE) (L) (WHITE) (AEP, UK, SP)
1
4-238-706-21 PANEL (SIDE) (L) (BLACK) (AEP, UK)
1
4-238-706-31 PANEL (SIDE) (L) (WHITE) (US, CND)
1
4-238-706-41 PANEL (SIDE) (L) (BLACK) (US, CND)
2
1-823-149-11 LEAD (WITH CONNECTOR)
3
4-238-707-01 PANEL (SIDE) (R) (SILVER)
3
4-238-707-11 PANEL (SIDE) (R) (WHITE) (AEP, UK, SP)
3
4-238-707-21 PANEL (SIDE) (R) (BLACK) (AEP, UK)
3
4-238-707-31 PANEL (SIDE) (R) (WHITE) (US, CND)
3
4-238-707-41 PANEL (SIDE) (R) (BLACK) (US, CND)
#1
7-685-547-14 SCREW +BTP 3X10 TYPE2 N-S
1
#1
#1
#1
#1
#1
#1
#1
#1
2
chassis (lower) section
front panel section
3
top panel section
37
HCD-M70
7-2. FRONT  PANEL  SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
4-238-696-01 WINDOW, LCD (FOR SILVER, WHITE)(AEP, UK)
51
4-238-696-11 WINDOW, LCD (FOR SILVER, WHITE)
(EXCEPT AEP, UK)
51
4-238-696-21 WINDOW, LCD (BLACK) (AEP, UK)
51
4-238-696-31 WINDOW, LCD (BLACK) (US, CND)
52
X-4954-494-1 PANEL SUB ASSY (FRONT) (SILVER)
52
X-4954-495-1 PANEL SUB ASSY (FRONT) (WHITE)
(AEP, UK, SP)
52
X-4954-652-1 PANEL SUB ASSY, FRONT (BLACK) (AEP, UK)
52
X-4954-654-1 PANEL SUB ASSY, FRONT (WHITE) (US, CND)
52
X-4954-655-1 PANEL SUB ASSY, FRONT (BLACK) (US, CND)
53
4-238-685-01 COVER (F) (SILVER)
53
4-238-685-11 COVER (F) (WHITE)
53
4-238-685-21 COVER (F) (BLACK)
54
4-232-478-01 FOOT
55
4-931-757-31 SCREW (DIA. 2.6X8) (IT3B), TAPPING
56
1-684-231-11 JACK BOARD
57
A-4728-250-A SWITCH BOARD, COMPLETE (EXCEPT KR, TH)
57
A-4729-437-A SWITCH BOARD, COMPLETE (KR, TH)
58
1-926-063-20 FFC CABLE 20P
59
1-926-063-10 FFC CABLE 18P
60
1-926-065-20 FFC CABLE 15P
51
52
53
54
55
56
55
55
55
55
55
55
59
58
57
60
not supplied
not supplied
38
HCD-M70
7-3. TOP  PANEL  SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
A-4728-263-A TC BOARD, COMPLETE
102
1-796-353-11 DECK, MECHANICAL (TAPE)
103
X-4954-501-1 HOLDER ASSY, CASSETTE (SILVER)
103
X-4954-502-1 HOLDER ASSY, CASSETTE (WHITE)
103
X-4954-666-1 HOLDER ASSY, CASSETTE (BLACK)
104
4-234-557-01 SPRING (TAPE)
105
4-238-683-01 WINDOW (CASSETTE) (SILVER)
105
4-238-683-11 WINDOW (CASSETTE) (WHITE)
105
4-238-683-21 WINDOW (CASSETTE) (BLACK)
106
X-4954-499-1 PANEL SUB ASSY (TOP) (SILVER)
106
X-4954-500-1 PANEL SUB ASSY (TOP)(WHITE)(AEP, UK, SP)
106
X-4954-649-1 PANEL SUB ASSY, TOP (WHITE) (US, CND)
106
X-4954-650-1 PANEL SUB ASSY, TOP (BLACK) (US, CND)
106
X-4954-651-1 PANEL SUB ASSY, TOP (BLACK) (AEP, UK)
107
4-238-892-01 CASSETTE, SPRING
108
3-926-926-01 GEAR, DAMPER
109
1-773-044-11 WIRE (FLAT TYPE) (17 CORE)
110
1-926-062-30 FFC CABLE 8P
111
4-241-659-01 BELT
112
4-241-718-01 BELT (FLAT)
#2
7-685-861-01 SCREW +BVTT 2.6X5 (S)
#3
7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S
109
#2
#2
#2
#2
#3
#3
#3
101
110
111
112
102
103
106
108
104
105
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
not supplied
107
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