6-5. IC PIN FUNCTION DESCRIPTION
• MAIN BOARD IC701 (DTC) LC72348W-9906
— 17 —
— 18 —
Pin No.
1
2
3 – 6
7 – 10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30 – 44
45 – 48
49 – 52
53
54
55
56
57
58
59
60
61
62
63
64
Description
Crystal output
GND
Key input
Key output
Band output
Not used
MEGA BASS ON/OFF control
Not used
Destination selection input
Destination selection input
TAPE input
IBackup input during halt
Backup output
Beep output
Backup input
POWER CHECK input (A/D)
Backlight key input
RADIO ON/OFF CONTROL
HOLDKey input
Mute output
TAPE/radio selector otput
SD input
Segment output
Common output
LCD power supply
Reset input
DC output to tuning voltage gen. Circuit
Positive polarity
Input to FM system
Input to AM system
Pin Name
XOUT
TEST2
PA3 – 0
PB3 – 0
BAND
N.C
MEGA BASS
N.C
INIT2
INIT1
TAPE IN
BATT CHECK
LED CONTROL
BEEP
BACK UP
REF VOLTAGE
N.C
Vss
RADIO ON
HOLD
MUTE OUT
N.C
SD
S15 – 1
COM4 – 1
DBR4 – 1
BRES
DDC
Vdd
FMIN
AMIN
I/O
O
I
I
O
O
—
O
—
I
I
I
I
O
O
I
I
I
—
O
I
O
O
I
O
O
—
I
O
—
I
I
SECTION 7
EXPLODED VIEWS
NOTE:
•
-XX, -X mean standardized parts, so they may
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.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
•
Hardware (# mark) list and accessories and
packing materials are given in the last of this
parts list.
7-1. CABINET ASSY SECTION
#1
#2
ND701
6
4
10
18
15
22
9
8
2
1
3
17
16
14
12
13
21
19
23
20
24
21
4
11
7
25
26
@
5
27
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
1
3-042-884-11 BUCKLE
2
3-042-890-11 SHAFT(BUCKLE)
3
3-042-885-01 PLATE, LOCK
4
3-318-203-62 SCREW(B1.7X4), TAPPING
5
3-009-870-01 ROLLER (BUCKLE)
6
3-025-316-01 SHAFT(ROLLER)
7
3-012-927-01 RING,O
8
3-042-881-01 KNOB(VOL)
9
3-042-880-21 KNOB(HOLD)
10
3-042-880-11 KNOB(HOLD)
11
3-326-560-02 RING(DIA. 2.5XDIA. 4.5), O
12
3-934-023-01 JOINT (VOL)
13
3-318-201-51 SCREW (B) (1.4X4), TAPPING
*
14
1-675-511-11 HEADPHONE BOARD
15
3-032-162-01 JOINT (AVLS)
16
3-318-201-51 SCREW (B) (1.4X4), TAPPING
17
3-922-447-01 PACKING, DC JACK
18
3-386-371-01 PACKING, HP JACK
19
3-318-203-62 SCREW (B1.7X4), TAPPING
20
X-3369-989-1 ARM ASSY
21
3-386-373-01 SCREW, TAPPING
22
X-3378-494-1 CASSETTE SUB ASSY, HOLDER
23
3-318-203-82 SCREW (B1.7X7), TAPPING
24
3-042-917-01 BELT
25
3-042-891-01 HOLDER, LCD
26
3-030-056-01 RUBBER, CONDUCTIVE
27
X-3378-538-1 CABINET SUB ASSY
ND701
1-803-305-11 DISPLAY PANEL, LIQUID CRYSTAL
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299