Panasonic SB-WA110EB Service Manual

ORDER NO. MAES020237C8
Service Manual
Specifications
nSPEAKER SECTION
Bass-reflex type
Speaker:
Woofer; 17cm cone type x 2
Impedance: 4Q
Input power:
Music; 200W
DIN; 100W
82dB/W (1.0m)
38-410Hz (at-16dB)
41-320Hz (at-10dB)
Sound pressure level:
Frequency range (with amp):
nAMPLIFIER SECTION
Active Subwoofer
SB-WA110EB
SB-WA110EG
SB-WA110GC
SB-WA110GN
Colour
(K)......,Black Type (EB, EG Areas)
(S)......Silver Type (EB, EG, GC, GN Areas)
Output power: 100W (4Q) (THD 1%)
Input sensitivity / Input Impedance: 7OmV / 33kQ (RCA jack)
NORMAL/REVERSE
50-200 Hz Variable
Phase switching:
Low pass filter:
nGENERAL
Power supply: AC 230V/240V ,50/60Hz
Power consumption: 65W
Dimensions (W x H x D): 221 x 453 x 407mm
Mass: 11.5 kg
Notes:
Specifications are subject to change without notice.
Mass and dimensions are approximate.
/\ WARNING
This service information is designed for experienced repair technicians only and is not designed for use by the general public.
It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product.
Products powered by electricity should be serviced or repaired only by experienced professional technicians. Any attempt to service
or repair the product or products dealt with in this service information by anyone else could result in serious injury or death.
CONTENTS
Page
1 Accessories dae Pewee nce nnnansmeccces nnn mnan coccocans nana scccocousnnnnsccoocccunnnsamecone 2
2 Caution for AC Main Lead ---------------------s----r--ercresenreneeecnscccnnnes 3
3 Operation Checks and Component Replacement Procedures4
4 Schematic: Duara ---2--n enews ese cee cece cee secse 7
5 Printed Circuit Board Diagram ------------------------22r--2ee-re nner 11
Panasonic
Page
6 Wiring Connection Diagram --------+-------+----+--eereeeeeecce tenet reece eee: 13
7 Type Illustration of IC's, Transistors and Diodes ----------------- 14
8 Protection Circuitry ---------------------r-orrnrrrcnmrnnnrrnnnrmnrnmnnnnnnn nnn 14
9 Replacement Parts List ---------------------------rrrrrvnrrrrnnrn nr 15
10 Cabinet Parts LOCAation --------------------------ne-nennnnonon nnn nrr nnn nn nnnnnes 19
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