DOWNLOAD Panasonic WA-H60CH / WA-H120CH Service Manual ↓ Size: 1.18 MB | Pages: 18 in PDF or view online for FREE

Model
WA-H60CH WA-H120CH
Pages
18
Size
1.18 MB
Type
PDF
Document
Service Manual
Brand
Device
Video Monitoring / MIXING AMPLIFIER
File
wa-h60ch-wa-h120ch.pdf
Date

Panasonic WA-H60CH / WA-H120CH Service Manual ▷ View online

ORDER NO. AVS0309515C3
Mixing Amplifier
WA-H60CH/WA-H120CH
SPECIFICATIONS
2 0 0 3
M a t s u s h i t a   E l e c t r i c   I n d u s t r i a l   C o . ,   L t d .
A l l   r i g h t s   r e s e r v e d .   U n a u t h o r i z e d   c o p y i n g   a n d
d i s t r i b u t i o n   i s   a   v i o l a t i o n   o f   l a w .
WA-H60CH
WA-H120CH
Power Source
220 - 240 V, AC 50/60 Hz
220 V, AC 50/60 Hz
Power Consumption
123 W
248 W
Rated Output Power
60 W
120 W
Frequency Response
50 to 20 000 Hz 
±
 3 dB
Distortion
Less than 0.5 % (Rated Output Power at 1 kHz)
Tone Control
±
10 dB at 100 Hz, 10 000 Hz
Residual Noise
75 dB (Weight A)
Input Circuit
Mic. 1/Line 5
-66 dB/-20 dB, 10 k
, balanced
Mic. 2/Line 6
-66 dB/-20 dB, 10 k
, balanced
Front Mic.
-66 dB, 10 k
, balanced
Line 1
-20 dB, 10 k
, unbalanced, pin-jack x 2
Line 2
-20 dB, 10 k
, unbalanced, pin-jack x 2
Line 3/Paging
-20 dB/0 dB, 10 k
, balanced
Line 4/Chime
0 dB/-30 dB, 200 k
, unbalanced
PA Input
0 dB, 20 k
, unbalanced, pin-jack x 1
Ouput Circuit
Speaker Output
170 
 (100 V)
83 
 (100 V)
83 
 (50 V)
41 
 (70 V)
41 
 (50 V)
21 
 (50V)
Rec. Output
0 dB, 10 k
Line Output
0 dB, 10 k
Muting Function
Reduction of Line 1/2/4/5/6 (LINE3/PAGING) Input:
due to the audio signal supplied from FRONT MIC or LINE3/PAGING Input Jack 
Reduction of Line 1/2/5/6 (LINE3/PAGING) Input:
due to the audio signal supplied from LINE4/CHIME Input Jack
No Reduction MIC Input: MIC 1 and 2
Dimensions
420 (W) x 88 (H) x 300 (D) mm 
Weight
Approx. 8.4 kg
Approx. 9.8 kg
Weight and dimensions indicated are approximately.  
Specifications are subject to change without notice.  
CAUTION
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 important 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 ”
 
Y
 
” 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.
IMPORTANT SAFETY NOTICE
Y
   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.
Speaker Indicating Sheet................................................ 1 pc.
Fuse...............................................................................4 pcs.
1/4" Tip-sleeve Phone Plug............................................. 1 pc.
1/4" Tip-ring Sleeve Phone Plug..................................... 1 pc.
ACCESSORIES
CONTENTS
WIRING DIAGRAM ............................................................................................................................. 1-1
SCHMATIC DIAGRAM
POWER BOARD / POWER SWITCH BOARD / POWER SELECTION BOARD /
LED-1 BOARD / SP-SW BOARD / LED-2 BOARD ........................................................................ 2-1
PO AMP BOARD............................................................................................................................ 2-2
PREAMP BOARD / PIN JACK BOARD / VR BOARD.................................................................... 2-3
CONTROL BOARD FOR WA-H120CH...........................................................................................2-4
CONDUCTOR VIEW
POWER BOARD / POWER SWITCH BOARD / POWER SELECTION BOARD /
LED-1 BOARD / SP-SW BOARD / LED-2 BOARD ........................................................................ 3-1
PO AMP BOARD............................................................................................................................ 3-2
PREAMP BOARD / PIN JACK BOARD / VR BOARD.................................................................... 3-3
CONTROL BOARD FOR WA-H120CH...........................................................................................3-4
EXPLODED VIEW................................................................................................................................4-1
REPLACEMENT PARTS LIST  ...........................................................................................................5-1
1-1
WIRING DIAGRAM
POWER
SELECTION
BOARD
E101
POWER
CORD
T301
OUTPUT
TRANS-
FORMER
T91
POWER
TRANS-
FORMER
FRAME
GROUND
PIN JACK BOARD
PREAMP BOARD
POWER BOARD
PO AMP BOARD
CONTROL BOARD
VR BOARD
POWER SWITCH
BOARD
LED-1 BOARD
SP-SW BOARD
LED-2 BOARD
E42
CN95
E41
E51
E52
E81
E801
CN106
CN105
CN103
CN107
CN501
E403
CN401
CN308
CN101
CN104
E104
E113
E107
E111
E103
E105
E112
E303
CN303
CN301
CN304
E401
E315
E308
E309
CN306
CN62
CN61
E902
E901
(for
WA-H120CH)
2-1
SCHEMATIC DIAGRAM OF POWER BOARD / POWER SWITCH BOARD / POWER SELECTION BOARD / 
LED-1 BOARD / SP-SW BOARD / LED-2 BOARD
E301
SPEAKER
TERMINALS
SW95
POWER
ON/OFF
SWITCH
POWER
ON/OFF
FUSE
AC IN
E101
POWER
CORD
T91
POWER
TRANSFORMER
TO
PREAMP
BOARD
CN104
TO
PREAMP
BOARD
CN103
POWER
ALL
 CALL
ALL
 CALL
1
2
3
4
5
SW52
ALL CALL
SWITCH
SW51
SPEAKER SELECTION SWITCH
OUTPUT
LEVEL
D44
POWER
INDICATOR
D42
OUTPUT
LEVEL
METER
TO
PO AMP
BOARD
CN401
D81
ALL CALL
INDICATOR
T301
OUTPUT
TRANSFORMER
CHASSIS
GROUND
SIGNAL
GROUND
C301
D301
D304
Q301
Q303
D315
D305
D31
1
220/35
R324
5.6K
R305
47K
R306
100
R301
10K
+
-
C42
10/16
6.8K
D42
3.3K
R41
R45
R46
3.3K
R47
3.3K
R48
3.3K
(RED)
(GREEN)
(GREEN)
(GREEN)
(GREEN)
1
3
5
7
9
2
4
6
8
10
R49
10K
+
-
C43
10/16
+
-
C41
2.2/50
R42
18K
R44
10K
R43
1.6K
+
-
C302
10/35
+
-
C303
470/35
C305
330/35
R308
J320
E
C
B
2.2K
R307
4.7
C304
0.1
+
-
+
-
C307
R31
1
22K
C310
1000P
C311
1000P
C308
1000P
+
-
~
~
D308
D314
C309
RL302
RL302
3
4
5
J313
J314
*
J315
1
2
1000P
J316
1000/50
C327
0.1
E310
C316
0.1
C320
2200P
C321
2200P
C322
*
L301
1
2
3
4
*
J310
*
J311
E307
E306
0.068
C96
OPEN
C95
OPEN
C317
0.1
R322
47K
R323
47K
E31
1
630mA
250V
F301
+
-
*
C319
+
-
*
C318
+
+
-
~
~
-
E303
MUTE
3
VCC+24V
2
GND
1
GND
3
VCC +24V
2
LEVEL SIG
E41
(E42)
2K
D43
D41
D44
R50
J41
1
POWER CON
2
POWER VCC
1
E301
1
70V
4
9
K1 (N)
11
100V
SHORT BAR
SHORT BAR
13
14
12
2
10
3
8
4
6
5
4
PAGING(R)
7
K2 (COM)
5
COM
NC
3
NC
1
2
15
NC
NC
16
CN301
ALL
 SW
VCC+24V
ALL
 CONT
3
NC
2
DC+24V
1
4
5
GND
6
CN308
AC+24V
AC+100V
NC
4
NC
5
AC+100V
6
3
2
AC+24V
1
0V
50V
4
3
70V
2
100V
50V
4
70V
100V
T301
CN303
CN304
1
4
5
NC
COM(GND)
HOT
BLACK
WHITE
COM
HOT
0V
6
7
8
0V
AC SW B
NC
3
NC
2
AC SW A
CN95
SW95
2
1
4
3
1
4
5
NC
6
110V
7
GND
A OUT
D5
7
IN
8
VCC
9
IC41
6
5
D4
D3
D2
D1
4
3
2
1
OUT3
OUT1
OUT2
3
NC
2
K1
1
GND
SW52
SW51
1
3
4
6
2
5
8
7
9
11
10
12
14
13
15
17
16
18
20
19
21
23
22
24
26
25
27
29
28
30
2
2
1
3
4
6
5
ALL
 SW
(E52)
E51
1
4
5
OUT4
6
OUT5
7
NC
8
P
AGING
OUT3
OUT1
OUT2
NC
K1
OUT4
OUT5
NC
P
AGING
9
3
2
1
4
5
6
7
8
9
110V
COM
COM
110V
AC
100V
AC
24V
0V
0V
TF
T91
110V
NC
3
3
NC
2
2
0V
CN61
SW61
1
1
4
4
5
5
NC
6
6
7
8
9
0V
NC
110V
E315
-B
+B
3
COM(GND)
2
HOT
1
4
CN306
E308
VS313
VS314
VS315
E309
*
F101
E101
E102
AC SW B
3
NC
2
AC SW A
1
(E81)
D81
ALL
 CONT
3
NC
2
VCC+24V
R81
3.3K
1
CN62
110V
3
NC
2
0V
1
*
C318,319
WA-H60CH :  1000/100
WA-H120CH : 2200/100
*
J315
Default setting
is open.
*
L301
WA-H60CH :  OPEN
WA-H120CH : MOUNT
*
F101
WA-H60CH :  1.6A 250V
WA-H120CH : 2A 250V
*
J301,311
WA-H60CH :  MOUNT
WA-H120CH : OPEN
Important safety notice
Components identified by "      " mark have special characteristics for safety.
When replacing any of these components, use only manufacture's specified parts.
LED-1 BOARD
POWER BOARD
LED-2
BOARD
SP-SW BOARD
POWER
SELECTION
BOARD
POWER SWITCH
BOARD
1
A
B
C
D
2
3
4
5
6
Page of 18
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Panasonic WA-H60CH / WA-H120CH Service Manual ▷ Download

  • DOWNLOAD Panasonic WA-H60CH / WA-H120CH Service Manual ↓ Size: 1.18 MB | Pages: 18 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Panasonic WA-H60CH / WA-H120CH in PDF for free, which will help you to disassemble, recover, fix and repair Panasonic WA-H60CH / WA-H120CH Video Monitoring. Information contained in Panasonic WA-H60CH / WA-H120CH Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.