WR-X22NL, WR-X22NH - Panasonic Provideo Service Manual (repair manual). Page 2

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.

Y 

RISK OF ELECTRIC SHOCK

DO NOT OPEN

CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK, 
DO NOT REMOVE COVER (OR BACK). NO USER 
SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE 
PERSONNEL.

This symbol warns the user that uninsulated voltage within 
the unit may have sufficient magnitude to cause electric 
shock. Therefore, it is dangerous to make any kind of contact 
with any inside part of this unit.

This symbol alerts the user that impotant literature concerning 
the operation and maintenance of this has been included.
Therefore,  it  should  be  read  carefully  in  order  to avoid 
any problems.

T

here are special components used in this equipment which are important for safety. These parts are indicated 

by the "  " mark on the schematic diagram and  the replacement parts list. It is essential that these critical 

parts should be replaced with manufacturer's specified parts to prevent x-radiation, shock, fire, or other hazards.

Do not modify the original design without permission of manufacture.

●

6 circuits, XLR (balanced), 10 k

Ω

Microphone: –60 dB to –20 dB
Line: –30 dB to +10 dB

–60 dB to -20 dB, 10 k

Ω

, electronically balanced 2 circuits, XLR (balanced),

phantom power supply integrated (including ON/OFF switch)

+10/0/–10 dB, 10 k

Ω

, unbalanced four channels, stereo input (L/R), pin

+4 dB, 10 k

Ω

, unbalanced, mono input, one channel, TS phone

+4 dB, 10 k

Ω

, unbalanced, mono input, one channel, TS phone

●

+4 dB, 600 

Ω

, electronically balanced, stereo output (L/R), 2 circuits, XLR

+4 dB, 600 

Ω

, electronically balanced, mono output (L/R), 2 circuits, XLR

+4 dB, 10 k

Ω

, unbalanced, mono output, one channel, TS phone 

–10 dB, 10 k

Ω

, unbalanced, stereo output, one channel, pin 

●

Make contact input, 8 channels, D-SUB 15-pin, backflow prevention diode included

Make contact output, 8 channels, D-SUB 15-pin, photocoupler open collector output

Make contact output, 1 channel, nylon connector 6-pin, for power control unit
connection

8 patterns

Acrylic cover for prevention of operating error .......................... 1
Remote connector  .................................................................... 1
Crimping pin for remote connector  ........................................... 6
Rack mounting screw (M5 x 12)  ............................................... 4