Midland Radio SP-300 service manual 49- May

VHF

UHF

8 SEE NOTE 1

15

12

11

9

26

7 X2

4

6

5

3

2

1 maxon

24

					41
14
13			40		42
	30	X2	36
		29			43
			39		45
10			35
					44
20	X2				37
19
					31
					38
			18	32	SEE NOTE 3
	16	17
			34	X2
			33
	22
	21

25 X2

27

23

28

56

55

58

			57	SEE NOTE 2
		54	X4
		53	X4
		47
49	X2	48
50
51 X2				ONLY
				UHF

52 X2

46

ASSEMBLIES GUIDE

PART NO.	DESCRIPTION		INCLUDES
480-042-0020	A/C Interconnect Assembly	23, 24, 27	AND 2PCS OF 25
480-042-0027	Knob Kit	12, 13, 14	AND 15
480-042-0026	Front Cover Kit	1, 2, 9, 10, 11, 11-1, 16, 17 AND 26
480-042-0028	PTT Cover Kit	4, 5, 6 AND 2 PCS OF 7
550-030-0024	Back Cover Assembly	47, 48, 50, 55, 2 pcs ea of 49, 51 and 52
550-090-0008	PTT Pad Assy	4 and 5

NOTES:

1.Contact Topaz3 Customer Service Department for antenna part numbers.

2.Refer to Maxon Price Guides for battery options.

3.Item 30 (Antenna Stud Kit) includes all hardware to mount antenna.

NO.	Q'TY	PART NO.	PART NAME
1	1	550-021-0025	UPPER COVER ASS'Y
2	1	490-070-0035	NAME PLATE
3	1	650-180-0021	PTT ASSEMBLY
4	1	560-130-0046	PTT TENSION PLATE
5	1	760-040-0027	PTT PAD
6	1	560-050-0058	HOLDER PTT
7	2	330-110-0134	(+)MACHINE SCREW (PH)
8	1	SEE NOTE 1	HELICAL ANT (VHF)
8-1	1	SEE NOTE 1	WHIP ANT (UHF)
9	1	330-220-0018	CH GASKET
10	1	330-220-0017	VOL GASKET
11	1	490-200-0054	TOP OVERLAY (4 CHANNEL)
11-1	1	490-200-0055	TOP OVERLAY (16 CHANNEL)
12	1	330-260-0004	SPRING(CH)
13	1	330-260-0005	SPRING(VOL)
14	1	660-090-0107	KNOB VOL.
15	1	660-090-0106	KNOB CH.
16	1	330-230-0051	FELT
17	1	330-220-0019	GASKET
18	1	050-010-0024	SPEAKER
19	1	560-090-0043	BRACKET(SPK)
20	2	330-111-0069	(+)TAPPING SCREW (BH)
21	1	330-160-0013	BUSHING(MIC)
22	1	050-020-0002	MIC CONDENSER
23	1	550-090-0010	A/C HOUSING ASS'Y
24	1	760-100-0003	CONNECTOR SEAL
25	2	330-110-0143	(+)MACHINE SCREW (PH)
26	1	660-160-0047	LENS(LED)
27	1	660-010-0175	COVER A/C
28	1	330-110-0146	(+)MACHINE SCREW (FH)
29	1	560-070-0011-C	CHASSIS
30	2	330-110-0131	(+)MACHINE SCREW (PH)
31	1	906-723	PROTECTION SHEET
32	1	480-020-0017	ANTENNA STUD KIT
33	1	650-230-0012	PA MODULE (VHF)
33-1	1	650-230-0013	PA MODULE (UHF)
34	2	560-090-0012	BRACKET
35	1	390-025-0007	INSULATION PLATE
36	1	560-132-0001	SPACER(CH SW MTG)
37	1	NOT AVAILABLE	P.C.B MAIN (SP-300)
37-1	1	NOT AVAILABLE	P.C.B MAIN (SP-310)
37-2	1	NOT AVAILABLE	P.C.B MAIN (SP-320)
37-3	1	NOT AVAILABLE	P.C.B MAIN (SP-330)
38	1	650-030-0021	VCO MODULE (VHF)
38-1	1	650-030-0020	VCO MODULE (UHF)
39	1	650-100-0002	TCXO MODULE
40	1	650-110-0012	FRONT END MODULE (VHF)
40-1	1	650-110-0013	FRONT END MODULE (UHF)
41	1	830-010-0010	ROTARY SW (4 CHANNEL)
41-1	1	830-010-0011	ROTARY SW (16 CHANNEL)
42	1	902-001-0203	VOLUME (ON/OFF) SWITCH
43	1	140-020-0054	CONNECTOR SOCKET
44	1	560-110-0101	TERMINAL
45	1	772-363-A	SHIELD CAN
46	1	330-220-0049	GASKET RING
47	1	560-082-0007	COVER BACK
48	1	010-051-0007	DOUBLE TAPE
49	6	560-110-0100	TERMINAL
50	1	650-200-0004	SUB PCB
51	2	560-090-0072	BRACKET
52	2	600-788	(+)MACHINE SCREW (PH)
53	4	330-220-0037	GASKET RING
54	4	330-110-0130	(+)MACHINE SCREW (PH)
55	1	NOT AVAILABLE	FCC NO LABEL
56	1	NOT AVAILABLE	NAME LABEL
57	1	SEE NOTE 2	BATTERY PACK
58	1	550-070-0021	BELT CLIP

PAGE -49- May 2001