WIRING GRE
WHI
ATTENUATOR
GREEN
WHITE
RE
WHITE TWEETER
WOOFER
NETWORK CIRCUIT
NETWORK ASSEMBLY (SWN-I 1 7)
SUPER TWEETER
RED
WHITE
0.1mH
sTH-136
LEVEL CONTROL ASSEMBLY
REPLACEMENT
1. Take out 4 woofer retaining screws from front,
then remove woofer and disconnect lead wires.
2. Disconnect lead wires (green and white)
between mid-range speaker and MID level
control and lead wires (red and white) between
tweeter and HIGH level control.
Then disconnect lead wires between level
controls and crossover networks.
3. Remove knobs, nameplate, hex nuts and flat
washers from both level (attenuator) controls.
4. Remove attenuator from cabinet and unsolder
aII attenuator lead wires.
5. Remove attenuators from holder and replace.
6. Resolder lead wires to attenuators.
7. Mount attenuator onto baffle board. Replace
flat washers, hex nuts, nameplates and knobs,
making sure that the knobs indicate correct
control positions when replaced.
8. Reconnect lead wires between level control
assembly and crossover network assembly,
between the MID level control and midrange
speaker and between tweeter and HIGH level
control.
9. Reconnect lead wires to woofer, replace woofer
in cabinet and secure with screws. Tighten
screws evenly, in opposite pairs.
NETWORK ASSEMBLY
SWN.I17
NAME PLATE SAL.67O
2.0mH STH-122
4.41tF 100V MF
3pF 100V MF
0.6mH STH-130
10s, 5w
YELLOW
WHITE
BLUE
ITE
TRANSFORMER
STV-O13
PARTS REPL ECEMENT
WOOFER
I-WEETER
t4lD-
RANGE
SU PER
TWEETER
PICINEEFI ELECTFIG|NIC COF|PCIFIATIGIN 4-1, Mesuno 1-chome, Meguno-ku, Tokyo 158, Japan
U.E. PIGINEEFI ELECTFICTNICS CClFIPctFIATIclN 75 Oxfond Dnive, Moonachie, New Jensey O7O74, U.S.A.
PIC|NEEFI ELECTFICINIC (EIJFICIPEI N.V. Luithagensteenweg no.9, 2O3O -Antwenp, E}elgaum
PIONEEFI ELECTFICINICEi AIJSiTFIALIA PTY. LTEI. 178-18,4 Boundany Fload, Bnaeside, Victonia 3'1 35, Ausrnalia
Printed in Japan
o FEB.1976
<76804F21 G>
