— 15 —
— 16 —
SECTION 5
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.
•
Accessories and packing materials are given in
the last of this parts list.
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
•
IC BLOCK DIAGRAMS
IC101, IC201
SC111711DR2
IC104, IC204
MC34119DTBR2
+
8
7
6
5
4
3
2
1
_
+
_
VO2
CD
FC 2
FC 1
V in
GND
Vcc
VO1
BIAS
CIRCUIT
+
–
SQUELCH TRIGGER WITH
HYSTERESIS
MIXER
OSCILLATOR
CRYSTAL
OSC
MIXER
OUTPUT
VCC
SCAN
CONTROL
SQUELCH
IN
FILTER
OUTPUT
FILTER
INPUT
RECOVERD
AUDIO
MIXER
INPUT
GND
MUTE
QUAD
COIL
LIMITER
INPUT
DECOUPLING
FILTER
AMP
LIMITER
AMP
AF
AMP
DEMODULATOR
+
1
2
3
4
7
8
6
5
15
16
14
13
12
11
10
9
1
2
#1
#1
#1
#3
#2
#3
#3
#3
#3
#3
#1
#3
#3
a
a
b
b
e
e
#3
#2
not
supplied
not
supplied
not
supplied
not
supplied
3
19
4
5
9
8
6
10
7
14
13
12
15
16
17
18
15
20
21
22
23
24
25
26
11
5
27
3
c
c
d
d
#4
28
1
X-3380-048-1 CUSHION ASSY, HEAD
2
3-224-569-01 SPRING (ON/OFF)
3
3-046-718-01 PAD, EAR
4
X-3380-049-1 PLATE (L) ASSY, FRONT
5
X-3380-120-1 DRIVER ASSY
6
3-222-516-01 TERMINAL (+), BATTERY
7
1-756-109-11 BATTERY, NICKEL HYDROGEN
*
8
1-679-553-11 RX CHR BOARD
9
3-223-778-01 TERMINAL (-), BATTERY
10
3-222-514-01 TERMINAL, CHARGE
11
3-222-513-01 BUTTON, SOUND SELECTION
12
X-3380-053-1 BOX ASSY, BATTERY
13
X-3380-051-1 HOUSING (L) ASSY
14
3-046-696-11 HOLDER (L)
15
3-046-695-01 CHASSIS
16
3-046-698-11 LID (L), HOLDER
17
3-049-953-11 LID (L), HANGER
18
3-046-705-11 HANGER (L)
19
3-046-699-11 LID (R), HOLDER
*
20
1-679-551-11 RX SW BOARD
21
3-046-697-11 HOLDER (R)
22
3-046-706-11 HANGER (R)
23
3-049-954-11 LID (R), HANGER
24
X-3380-457-1 HOUSING (R) ASSY
25
3-222-519-01 KNOB, VOLUME
*
26
A-4542-663-A RX BASE BOARD, COMPLETE
27
X-3380-050-1 PLATE (R) ASSY, FRONT
28
3-227-270-01 CUSHION, VOLUME
#1
7-627-553-28 SCREW,PREP2X2.5
#2
3-223-909-01 SCREW (B2)
#3
7-685-104-19 SCREW +P2X6 TYPE2 NON-SLIT
#4
3-713-791-01 SCREW (M1.7X4), TAPPING, P2