Kenwood LS-M52L, LS-M72 Service Manual
2-WAY 2-SPEAKER SYSTEM
LS-M52-L/-S/M72
SERVICE MANUAL
EXTERNAL VIEW
Dressing
Grille holder
(J19-4141-08)x4
panel assy
(A21-)*
Binding head
tapping screw
(N44-4012-45)x4
Tweeter
(T03-0798-05)
Woofer
(T10-)*
2000-6/B51-5646-00 (Z/K)2474
Grille assy
(B06-)*
SYSTEM MAIN UNIT SPEAKER
HM-582MD-L RD-M52MD-L LS-M52-L
HM-682MD RD-M52MD-S LS-M52-S
HM-782MD RD-M72MD LS-M72
HM-532-L RXD-M52-L LS-M52-L
SPECIFICATIONS
Enclosure ..............................................................................................................Bass-reflex type
Woofer ..................................................................................................100 mm, (4 in) cone type
Tweeter ..............................................................................................19 mm (3/4 in) dome type
Impedance ................................................................................................................................6 Ω
Maximum input level............................................................................................................30 W
Frequency response .........................................................................................60Hz ~ 20,000 Hz
Dimensions ..................................................................................................W: 142mm (5-9/16")
Net Weight ..................................................................................................2.8 kg (6.2 lb / piece) : LS-M52
Push terminal
(E21-0907-05
*Refer to parts list
H: 228mm (9") : LS-M52
H: 241mm (9-1/2") : LS-M72
D: 252mm (9-15/16")
2.9 kg (2.9 lb / piece) : LS-M72
Note:
KENWOOD follows a policy of continuous advancements in development. For this reason
specifications may be changed without notice.
LS-M52-L/-S/M72
6.8µ50
RED
2.7µ50
1.2mH
C2
BLU
INPUT
SP1
SP2
BLK
+
+
-
-
B LK
+
-
C1
L1
W1
W2
; #. 205 FASTON
; #. 110 FASTON
(X21-7830-00)
C2
8.2µ50
BLU
INPUT
YEL
SP1
SP2
BLK
+
+
-
-
B LK
+
-
C1
3.9µ50
1.5mH
L1
W1
W2
; #. 205 FASTON
; #. 110 FASTON
(X21-7880-00)
DIVIDING NETWORK UNIT/PARTS LIST
DIVIDING NETWORK UNIT
PARTS LIST
2
LS-M52-L/-S
Ref. No.
Address
New
Parts
Parts No.
LS-M72
Description
LS-M52-L/-S/M72
- * A21-3371-03 DRESSING PANEL ASSY (LS-M52-L)
- * A21-3374-03 DRESSING PANEL ASSY (LS-M72)(R)
- * A21-3375-03 DRESSING PANEL ASSY (LS-M72)(L)
- * A21-3376-03 DRESSING PANEL ASSY (LS-M52-S)
- * B06-1434-08 GRILLE ASSY (LS-M52-L)
- * B06-1436-08 GRILLE ASSY (LS-M52-S)
- * B06-1446-08 GRILLE ASSY (LS-M72)
- * E30-5828-05 SPEAKER CORD (LS-M52-S/L)
- * E30-5880-05 SPEAKER CORD (LS-M72)
- * G13-1167-08 CUSHION
- * H10-8140-08 POLYSTYRENE FOAMED FIXTURE
- * H10-8141-08 POLYSTYRENE FOAMED FIXTURE
- * H13-1895-08 CARTON BOARD EGM
- * H13-1897-08 CARTON BOARD (LS-M52-L) KX
- * H21-1350-08 PROTECTION SHEET
- * H25-2279-08 PROTECTION BAG
- * H25-2289-08 PROTECTION BAG
- * H25-2290-08 PROTECTION BAG
- * H51-1438-08 ITEM CARTON CASE(LS-M52-L) EG
- * H51-1439-08 ITEM CARTON CASE(LS-M52-L) M
- * H51-1469-08 ITEM CARTON CASE(LS-M72) EG
- * H51-1519-08 ITEM CARTON CASE(LS-M72) M
- * H51-1555-08 ITEM CARTON CASE(LS-M52-S) E
- * J02-0624-08 FOOT (LS-M52-S/L)
- * J02-0626-08 FOOT (LS-M72)
- * J19-4141-08 GRILLE HOLDER
- * J19-4145-08 ADAPTER (LS-M72)
SP1 * T10-0926-05 WOOFER (LS-M52-L)
SP1 * T10-0933-05 WOOFER (LS-M52-S)
SP1 * T10-0941-05 WOOFER (LS-M72)
SP2 * T03-0798-05 TWEETER
DIVIDING NETWORK UNIT(X21-7830-00) :LS-M52-L/-S
C1 * C90-5117-05 NP-ELEC 6.8UF 50WV
C2 * C90-5112-05 NP-ELEC 2.7UF 50WV
- E21-0907-05 PUSH TERMINAL
DIVIDING NETWORK UNIT(X21-7880-00) :LS-M72
indicates safety critical components.
L1 L38-0378-05 COIL 1.2mH
C1 * C90-5118-05 NP-ELEC 8.2UF 50WV
C2 * C90-5114-05 NP-ELEC 3.9UF 50WV
- E21-0907-05 PUSH TERMINAL
L1 L38-0379-05 COIL 1.5mH
L: Scandinavia K: USA P: Canada R: Mexico C: China I: Malaysia
Y: PX(For East Hawaii) T: England E: Europe G: Germany V: China(Shanghai)
Y: AAFES(Europe) X: Australia Q: Russia H: Korea M: Other Areas
Desti-
nation
Re-
marks
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