Sony CFD-503 / CFD-505 Service Manual ▷ View online
– 40 –
5-5.
IC PIN FUNCTION DESCRIPTION
CONTROL BOARD IC801 CXP5084H-680Q (SYSTEM CONTROL, LCD DRIVE)
Pin No.
Pin Name
I/O
Function
1
NC
–
Not used
2
NC
–
Not used
3
NC
–
Not used
4
SCOR
I
SCOR input
5
SQCK
O
SQCK output
6
NC
–
Not used
7
SENS
I
SENS input
8
SQSO
I
Sub Q data input
9
CLOCK
O
Clock output
10
XLAT
O
Latch output
11
DATA
O
Data output
12
XRST
O
Reset output
13
K-FR
I
FR AMS (search) key input
14
K-PLAY
I
Play key input
15
K-FF
I
FF AMS (search) key input
16
K-STOP
I
Stop key input
17
K-P.MODE
I
Play Mode key input
18
K-DISP
I
Display key input
19
MUTE
O
Mute output “H”: Mute
20
NC
–
Not used
21
DOOR
I
Open/close detection input “L”: close “H”: open
22
CD
–
Not used
23
REC
I
Tape REC input “L”: REC
24
TEST
I
Wiring to test mode
25
GND
–
GND
26
NC
–
Not used
27
NC
–
Not used
28
NC
–
Not used
29
NC
–
Not used
30
NC
–
Not used
31
NC
–
Not used
32
NC
–
Not used
33
NC
–
Not used
34
NC
–
Not used
35
SEG15
–
LCD segment output (Not used)
36
SEG14
–
LCD segment output (Not used)
37
SEG13
O
LCD segment output
38
SEG12
O
LCD segment output
39
SEG11
O
LCD segment output
40
SEG10
O
LCD segment output
41
SEG9
O
LCD segment output
42
SEG8
O
LCD segment output
43
SEG7
O
LCD segment output
– 41 –
44
SEG6
O
LCD segment output
45
SEG5
O
LCD segment output
46
SEG4
O
LCD segment output
47
SEG3
O
LCD segment output
48
SEG2
O
LCD segment output
49
SEG1
O
LCD segment output
50
SEG0
O
LCD segment output
51
COM3
O
LCD comon output
52
COM2
O
LCD comon output
53
COM1
O
LCD comon output
54
COM0
O
LCD comon output
55
VLCD1
–
LCD controller driver bias power supply
56
VLCD2
–
LCD controller driver bias power supply
57
VLCD3
–
LCD controller driver bias power supply
58
VDD
–
Power supply
59
VL
–
Connect to pin 57
60
XTAL
–
Clock oscillation output (Not used)
61
EXTAL
I
Clock oscillation input
62
RESET
I
Reset input
63
WP
–
Not used
64
C OUT
–
Not used
Pin No.
Pin Name
I/O
Function
– 42 –
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)
KNOB, BALANCE (WHITE) . . . (RED)
↑
↑
Parts Color
Cabinet's Color
The components identified by mark
! or dotted line with mark ! are criti-
! or dotted line with mark ! are criti-
cal for safety.
Replace only with part number speci-
fied.
Replace only with part number speci-
fied.
Les composants identifiés par une
marque
marque
! sont critiques pour la
sécurité.
Ne les remplacer que par une pièce
portant le neméro spécifié.
Ne les remplacer que par une pièce
portant le neméro spécifié.
•
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 num-
ber in the exploded views are not supplied.
ber in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of the
electrical parts list.
packing materials are given in the last of the
electrical parts list.
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
1
3-933-221-01 SPRING (-)
2
3-933-223-01 TERMINAL, ANTENNA
3
3-933-220-01 SPRING (+)
* 4
3-933-224-01 PLATE (TRANS), SHIELD
5
4-960-167-01 SCREW (3X8)(DIA.10), +WH
* 6
A-3305-641-A POWER BOARD, COMPLETE (US)
* 6
A-3305-742-A POWER BOARD, COMPLETE (CND)
* 6
A-3305-800-A POWER BOARD, COMPLETE (AEP, EE, AUS)
7
3-933-218-01 HANDLE
8
3-933-193-01 LID, BATTERY CASE
9
3-933-225-01 SPRING (+-.B)
10
3-933-222-01 SPRING (+-.A)
11
3-933-214-01 CABINET (REAR)(503/505:US, CND, AUS)
11
3-933-214-11 CABINET (REAR)(AEP, EE)
* 12
4-941-548-01 LABEL, CLASS (1) (AEP, EE)
ANT1
1-501-362-11 ANTENNA, TELESCOPIC (FM)
! T901
1-429-473-11 TRANSFORMER, POWER (US, CND)
! T901
1-429-513-11 TRANSFORMER, POWER (AEP, EE, AUS)
•
Abbreviation
AUS: Australian CND: Canadian EE: East European
AUS: Australian CND: Canadian EE: East European
(1) CABINET SECTION
SECTION 6
EXPLODED VIEWS
#1
4
#1
5
3
T901
2
ANT1
#2
7
8
10
11
9
1
12
#2
#3
#2
6
– 43 –
51
3-933-212-01 SPRING (CASSETTE)
52
A-3304-344-A HOLDER ASSY, CASSETTE (503)
52
A-3304-367-A HOLDER ASSY, CASSETTE (505)
53
3-933-194-01 KNOB (TUNE)
54
3-933-196-01 KNOB (EQ)
55
3-933-195-01 KNOB (VOL)
56
3-933-209-01 WINDOW (LCD)(503)
56
3-933-209-11 WINDOW (LCD)(505:CND,US)
56
3-933-209-21 WINDOW (LCD)(AEP)
56
3-933-209-41 WINDOW (LCD)(EE)
56
3-933-209-51 WINDOW (LCD)(AUS)
57
3-933-200-01 CABINET (FRONT)
58
3-351-377-01 DAMPER
59
3-933-192-01 POINTER
60
3-933-190-01 GEAR (POINTER)
61
3-933-191-01 SHAFT (TUNE)
62
3-933-189-01 GEAR (TUNE)
63
3-933-199-01 SPRING (TUNE)
64
3-933-198-01 BRACKET (TUNE)
65
3-933-207-01 GEAR (PVC)
* 66
A-3305-637-A MAIN BOARD, COMPLETE (503:US)
* 66
A-3305-667-A MAIN BOARD, COMPLETE (505:US)
* 66
A-3305-740-A MAIN BOARD, COMPLETE (505:CND)
* 66
A-3305-741-A MAIN BOARD, COMPLETE (503:CND)
* 66
A-3305-799-A MAIN BOARD, COMPLETE (AEP)
* 66
A-3305-802-A MAIN BOARD, COMPLETE (EE)
* 66
A-3305-827-A MAIN BOARD, COMPLETE (AUS)
67
3-933-197-01 LEVER (FUNCTION)
68
4-960-167-01 SCREW (3X8)(DIA.10), +WH
69
1-660-011-11 PC BOARD, SHAFT RETAINER
70
3-933-201-01 BUTTON (MD REC)(
r)
71
3-933-202-01 BUTTON (MD PLAY)(
”)
72
3-933-203-01 BUTTON (MD REW)(
0)
73
3-933-204-01 BUTTON (MD FF)(
))
74
3-933-205-01 BUTTON (MD STOP)(
p/6)
75
3-933-206-01 BUTTON (MD PAUSE)(
P)
76
3-933-211-01 SHAFT (MD)
77
3-937-247-01 SPACER (A)
78
3-937-248-01 CUSHION (A)
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
(2) FRONT CABINET SECTION
52
51
53
55
56
57
58
59
60
61
62
63
64
#1
#1
#1
#4
65
66
67
68
#1
77
78
69
#1
70
71
72
73
74
75
MF-311
76
54
68
CFD-505
only
only
54
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