Technics SB-G910 User manual

ORDER NO. $D83052502C7 __ :
ervice Manual
Hi-Fi Speaker System
SB-G910 (mM)
[PA], [PC], [XA].
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Areas
*{PA] is available in Far East PX.
*[PC] is available in European Audio Club.
* [XA] is available in Southeast Asia, Oceania, Africa,
Middle Near East and Central South America.
Specifications (Specifications are subject to change without notice for further improvement.)
Weight and dimensions shown are approximate.
Type: 4 way 5 speaker bass-reflex Output Sound
: system Pressure Level: 99 dB/W (1.0 m)
Speakers: Woofer: 41 cm, cone type Crossover Frequency: 350 Hz, 3,500 Hz, 10,000 Hz
Midrange: 18 cm, cone type Frequency Range: 35 Hz ~ 30 kHz (—20 dB)
Tweeter: horn type Dimensions: 46.4(W) x 72.0(H) x 30.9(D) cm
Super Tweeter: horn type x 2 Weight: 17.5 kg
Impedance: 8 ohms
Input Power: 300 W, Music
ESPECIFICACIONES CARACTERISTIQUES
(Las. especificaciones quedan sujetas a cambios sin aviso (Sujet a changement sans préaris.) f |
previo. El peso y las dimensiones indicados son aproximados.)
Type: 4 voies, 5 haut-parleurs, se
Tipo: Sistema de reflexién de bajos bass-reflex , |
con 5 altoparlantes de 4 vias Haut-parleurs: graves: 41 cm, type a cone :
Altoparlantes: “Woofer’’: tipo cénico, de 41.cm_ | . moyennes: 18 cm type a coéne
“Gama media”’: tipo cénico, aigus: type a corne
de 18 cm “Super haut-parleur” aigu:
“Tweeter”: tipo bocina. | type a corne x 2
“Super tweeter’: tipo bocina x 2 Impédance: 8 ohms
Impedancia: 8 ohmios Entrée maximale: 300 watts, musique
Capacidad de potencia: 300 W, musica | Niveau de pression | ,
Nivel de presién sonore de sortie: 99 dB/W (1,0 m)
acustica de salida: 99 dB/W (1,0 m) Fréquence de commutation: 350 Hz, 3.500 Hz, 10.000 Hz we
Frecuencia de cruce: 350 Hz, 3.500 Hz, 10.000 Hz Gamme de fréquences: = = 35 Hz ~ 30 kHz (—20 dB) [Xx
Alcance de frecuencia: 35 Hz ~ 30 kHz (—20 dB) Dimensions: 46,4(L) x 72,0(H) x 30,9(P) cm 4 AN
Dimensiones: 46,4(ancho) x 72,O(alto) x Poids: 17,5 kg | | oe.
30,9(prof.) cm | | pie
‘Peso: ; 17,5 kg
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7
Panasonic
Tokyo
Matsushita
Electric
Trading
Co.,
Ltd.
_
aA
ec
hics
_
Matsushita
Electric
Industrial
Co.,
Ltd.
P.O.
Box
288,
Central
Osaka
aaabae
| ~
1-2,
1-chome,
Shibakoen,
Minato-ku,
Tokyo 105 Japan

SB-G910
™ SCHEMATIC DIAGRAM
(This schematic diagram may be modified at any time with the development of new technology.)
SUPER
TWEETER
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(|
x
Dk wey
(20) BLK
ORG
.
—m
jp
are
|
S
Input
@ SERVICING METHOD Cabinet _
1. How to remove the attenuator switch (Fig. 1)
1) Using an eyeleteer or pincette, carefully remove the front
ornament plate from the cabinet in the direction
indicated by the arrow (see Fig. 1).
(The front. ornament plate is affixed with double-sided
adhesive tape.) 7 Front ornament
ry RED
©
4) A fn
WOOFER
ef ALAS
G
2
—
frame and remove the ornament frame in the direction
indicated by the arrow. Remove the switch holder from
the cabinet. |
Remove the knob in the direction shown by the arrow
(See Fig. 3), by use of strong adhesive tape. Remove the
2 screws (Fig. 4: @~@) from the attenuator holder. Then
remove the attenuator switch from the P.C.B. after taking
off the solder of the terminal.
2. How to remove the LED output level
1) Remove the ornament plate. (Refer to Section 1.)
: 2) Take out the LED assembly and the attenuator P.C.B.
from the cabinet. (Refer to Section 1-1).
3
—
3) Remove the solder from the LED and breaker terminals. ¢
ce
eotte
Rectes
Recseace
Then remove the LED and the breaker from the
attenuator P.C.B. (Fig. 4) MEE per
3. Connection of speaker unit and direction of the AEE SHIT
terminals on the front side. = || ((2#EEBESEe EA
a
[Own | toe | Owe | veiw | oy
[evn | own | ave | om | whe
:
Upper right Right side Right side
Attenuator
switch
PR se”
ce
ofe
BLU MIDRANGE
S1-1: High level —3dB
S1-2: High level —-6dB
S1-3: MAX 3
@®: Non-Polar Capacitor
ewich noet
Remove the 4 screws (Fig. 2: @~@) of the ornament __ Plate Fig. 1 Eyeleteer| amen plate Ss “eo Ointment tan’
22) LED assembly &
ee
oe
ress: ~
Attenuator P.C.B.
Attenuator holder

m@ EXPLODED VIEW
—@ REPLACEMENT PARTS LIST
SB-G910
Notes: 1. Part numbers are indicated on most mechanical parts. Please use this part number for parts orders.
2. The parenthesized numbers in columns of description stand for the quantity per set.
3. Bracket indications in Ref. No. columns specify the area. Parts without these indications can be used for all areas.
4. The © mark is service standard parts and may differ from production parts.
Part No. Part Name & Description
SPEAKERS
SP1 EAS3FP16A Super Tweeter
SP2 EAS14HD13S Tweeter
SP3 EAS18PM68S ' Midrange
SP4 SASS38PLO01-T Woofer
COILS
L1 SLCSE152JU
L2 SLCSA681J_
L3 SLCSA182J
L4 SLCSA271K
CAPACITORS
SWITCH
ECEA100Y33K
ECEA100Y15K
ECEASOY3R3K
ERDSOFJ680
ERD50FJ101
ERD50FJ68 1
ERF5AK2R7
ERF5AK5R6
SVDSAA5724S
RVDRD6R2EB
SVDSAA5724S
SVDSPR5704S
33uF, 100V
15uF, 100V
3.3uF, 50V
68Q, 1/2W
1009, 1/2W
6809, 1/2W
2.72, 5W (R1)
5.6Q 5W (R2)
LED, Output Level
Diode
.LED, Output Level
LED, Peak Level
Diode
Psixg SSHS401 Level Selector
BREAKER
are a SSBS16AB02-1 | Thermal Relay 1.6A
SYBS134
SGKS175
SGXS26
SMES24
SGKS172
SHRS9091
SBCS1
SGXS6019
SBC307-3
SHRS9092
SYES24
SUVS3
SHRS9046
SHG1435
SYES41
SYES42
SGES62
17 [PA, PC]
17 [XA]
SGTS222
SGES1&6°
SGES
Part No.
SKABG910P
SKABG910X
SJFS5201-1
Grill
Ornament Plate
Base, Level Selector
Holder, LED
Film, LED Holder
Spacer
Knob, Breaker
Holder, Breaker Switch
Knob, Level Selector Switch
Spacer, Level Selector Switch
Ornament, Midrange
Back Cavity, Midrange
Spacer, Back Cavity
Bushing, Back Cavity
Ornament, Tweeter
Ornament, Super Tweeter
Ornament, Woofer
Cabinet —
Cabir~
Part Name & Description ©
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(4)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
RAE ce a, FR ten aces cece A
f
SSSR UI cen ae RT Tee ALI LT tt ATE cae Some

SB-G910
m@ PACKING
Ref. No. Part No. Part Name & Description
ACCESSORIES
Al [PA] SOFS292 Instruction Book
A1 [PC] SQFS304 Instruction Book
Al [XA] SOQFS295 instruction Book
A2 SWXS189-2 Speaker Cord
PACKING PARTS
P1 [PA] SPGS220 Carton Box (1)
P1 [PC] SPGS220-2 Carton Box (1)
P1 [XA] SPGS220-1 Carton Box (1)
P2 | SPSS1030 Pad, Corner (4)
—P3- SPSS6245 Pad, Bottom (1)
P4 SPSS9032 Pad, Corner (2)
P5
| SPSS9014 Pad, Corner (2)
P6 SPJS2 Polyethylene Bag (1)
P7 SPE27 Rope (1)
‘P8 SPHS6030
Mat (1)
Al, A2 P5
Printed in Japan
830503200 @YW/OS