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
PREV: Panasonic VL-GM301A / VL-GM001A / VL-GC002A-W Service Manual

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

2-2
SCHEMATIC DIAGRAM OF PO AMP BOARD
TO
CONTROL
BOARD
CN501
(for WA-H120CH)
(for WA-H120CH)
TO
POWER
BOARD
E315
TO
PREAMP
BOARD
CN101
E403
NF ENV+
NC
PF ENV+
3
ENV OUT+
TH402
D409
D410
R403
3.3K
C412
10/50
R436
470
R430
C408
R426
330
R425
820
R424
620
TH401
68P
470
R437
470
R431
470
R423
22K
C409
68P
C411
10/50
Q404
Q406
Q410
Q403
Q405
Q419
Q417
Q415
Q409
*
R444
WA-H60CH :  0.47  5W
WA-H120CH : 0.22  5W
*
C405,C406
WA-H60CH :  10/50
WA-H120CH : 1/50
*
L403
WA-H60CH :  OPEN
WA-H120CH : MOUNT
*
J410
WA-H60CH :  MOUNT
WA-H120CH : OPEN
*
L404
WA-H60CH :  OPEN
WA-H120CH : MOUNT
*
J411
WA-H60CH :  MOUNT
WA-H120CH : OPEN
Q418
Q416
Q414
D10
Q407
R3
12K
1/2W
R5
3.9K
C2
1/100
R6
12K
1/2W
OPEN
R7
C3
1000P
R2
2.2K
R4
91K
C1
R1
100P
100K
Q2
Q1
Q3
Q401
Q402
D408
D41
1
D404
D401
D412
D407
D406
D405
D403
Q413
Q411
Q412
D402
Q408
N
C424
1000P
R406
22K
R402
OPEN
C413
0.47/50
R407
47K
R409
2.2K 2W
2.2K 2W
R438
47K
R433
R432
390
R422
220
2W
*
L404
330
*
J411
D11
*
L403
330
R419
100
2W
2W
R412
4.7
L401
10
R401
10
R411
OPEN
R413
820
1
3
2
R414
TS401
*
R444
820
R415
4.7
R405
27
C403
0.047
C402
1
C421
1000P
R441
10
L402
10
R408
10
R410
OPEN
C416
100P
C418
1
C417
1
C426
OPEN
1W
R442
10
1W
C422
1000P
2W
*
J410
R421
100K
R417
39K
R416
39K
R418
100
R404
100K
R435
47K
R434
2.2K
2W
2W
R429
47K
R428
2.2K
R427
220
2W
330
C404
R420
C401
1
C419
1000P
1000P
R439
10 1W
10 1W
R440
C420
OPEN
C425
OPEN
22/100
22/100
C427
OPEN
C428
C414
C423
*
C405
*
C406
22/100
+
-
+
-
+
-
+
-
C407
10/50
+
-
+
-
+
-
C415
22/100
+
-
2
+B
1
4
5
E401
COM(GND)
2
SIG
1
V OUT
6
CN401
-B
H
2
COM(GND)
3
+B
4
1
COM(GND)
7
V IN
8
NF ENV-
9
PF ENV-
10
NC
11
ENV OUT-
12
-B
13
N
N
C410
22/25
N
Important safety notice
Components identified by "      " mark have special characteristics for safety.
When replacing any of these components, use only manufacture's specified parts.
C
B
A
PO AMP BOARD
1
2
3
4
2-3
SCHEMATIC DIAGRAM OF PREAMP BOARD / PIN JACK BOARD / VR BOARD
VR103
VOLUME CONTROL
(FRONT MIC)
VR802,803  TONE CONTROL
TREBLE
TONE
BASS
VR113
LEVEL
ADJ
REC OUT
LINE OUT
PA INPUT
JK902
RECORDING OUTPUT JACK,
LINE OUTPUT JACK,
PA INPUT JACK
TO
PO AMP
BOARD
E401
TO
POWER
BOARD
E303
TO
LED-1
BOARD
E41
FRONT MIC
LINE6/MIC2
LINE5/MIC1
LINE4/CHIME
LINE3/PAGING
LINE1
LINE2
VR801
VOLUME
CONTROL
(LINE1)
VR102
VOLUME CONTROL
(LINE6/MIC2)
VR101
VOLUME CONTROL
(LINE5/MIC1)
VR105
VOLUME CONTROL
(LINE4/CHIME)
JK901
LINE 1 INPUT JACK,
LINE 2 INPUT JACK
JK103
FRONT
MICROPHONE
JACK
JK101-2
LINE 6/MICROPHONE 2
INPUT JACK
JK-104-2
LINE 4/CHIME
INPUT JACK
VR108
MUTE 1
CONTROL
VR104
VOLUME CONTROL
(LINE3/PAGING)
SW104
LINE 4/CHIME
SELECTION
SWITCH
SW101
LINE 5/MICROPHONE 1
SELECTION SWITCH
SW102
LINE 6/MICROPHONE 2
SELECTION SWITCH
SW103
LINE 3/PAGING
SELECTION SWITCH
VR109
MUTE 2
CONTROL
VR107
VOLUME
CONTROL
(LINE2)
MUTE/PRI1
SELECTOR
JK-101-1
LINE 5/MICROPHONE 1
INPUT JACK
JK104-1
LINE 3/PAGING
INPUT JACK
+
+
-
–
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
+
2
VR105
20K
VR108
15K
3
1
3
1
2
2
3
VR109
15K
1
1
3
2
-
+
-
+
-
+
-
+
-
+
-
+
+
-
+
-
GND
2
LINE-1
CN105
CN106
(1/2)
E901
C214
FG1
FG2
1000P
JK103
–66dB
10K
Ω
BALANCED
–20/–66dB
–20/–66dB
0dB/–30dB
–20dB/0dB
–20dB,10K
Ω
UNBALANCED
–20dB,10K
Ω
UNBALANCED
2
R122
C120
10/16
C121
10/16
470
R124
C126
3
2
1
8
1/2
IC102
+
–
2/2
IC101
4
+
–
2
3
1
8
1/2
IC106
4
+
–
6
5
7
C195
R188
470K
R218 10K
R210
VR1
13
20K
3
2
1
470K
R200
100K
R199
100K
R201
C207
47/35
3.3K
R222
10K
J107
MUTE
J109
J1
10
VR1
10
OPEN
3
1
2
J108
C175
C203
C196
10/16
C188
R211
C190
T104
C208
R214
30K
R215
R216
56K
18K
R217
R178
7.5K
R202
20K
R203
22K
C192
330/16
36K
2200P
1
2
3
7
6
5
4
33/16
470
1/50
MIC
LINE
VCC+24V
VCC+24V
GND
BIAS
BIAS
GND
FRAME
100P
0.1
C204
C206
2.2/50
R191
1K
R192
Q104
Q105
22K
Q106
0.1
R219
39K
R220
100K
R221
3.3K
R204
10K
C205
47/35
1/50
2/2
IC106
91K
1/50
R175
C164
C197
1/50
C166
22P
C801
2700P
VR802
3
1
2
15K
C802
100P
C803
2700P
R805
5.6K
R802
470K
R803
R807
VR803
15K
100K
10K
R804
10K
R806
C804
C805
0.022
0.022
15K
R801
100K
R179
91K
22/16
C167
10/16
R213
10K
C168
0.1
BIAS
VCC+24V
BIAS
VCC+24V
BIAS
BIAS
BIAS
VCC+24V
7.5K
R156
22K
91K
10P
R125
C124
J103
SW102
SW101
R113
91K
R114
91K
R115
C112
R117
100K
R118
100K
C116
10P
10/16
C117
SW102
R174
7.5K
R145
15K
2.2/50
5
6
C113
10/16
470
R116
470
R1
12
12K
R104
91K
R105
91K
R106
C103
10/16
C104
10/16
470
R107
470
R103
12K
J104
T102
1
2
3
10
12
11
8
7
9
10
12
11
8
7
9
4
5
6
OPEN
OPEN
J101
J102
T101
1
2
3
4
5
6
T103
1
2
3
4
5
6
OPEN
R121
12K
C125
VR103
20K
0.1
13
2
VR102
20K
13
2 2
3
1
+
–
1/2
IC101
R108
100K
R109
100K
C107
10P
R139
33K
C142
C143
2.2/50
2
VR104
20K
3
1
C135
C216
R176
R157
7.5K
22K
R146
15K
470P
2.2/50
R152
10K
R165
10K
R164
22K
R153
10K
30P
R134
33K
R133
33K
C133
30P
C109
SW101
R173
7.5K
R144
15K
2.2/50
3
8
4
1
7
2
+
–
2/2
IC103
Q101
6
7
5
+
–
2/2
IC102
5
7
6
C160
R168
R167
330K
470
C161
100P
1/50
C162
R170
D104
1K
1/50
R166
100K
R169
100K
D103
R171
100K
C163
47/35
C199
0.47/50
+
–
2/2
IC105
5
7
6
-
C155
R160
R159
330K
470
C156
100P
1/50
C158
R162
D102
1K
1/50
R158
100K
C157
0.1
R161
100K
D101
D105
D106
R163
100K
C159
47/35
C198
2.2/50
+
–
1/2
IC105
3
1
8
4
2
+
–
1/2
IC103
3
R135
C137
0.22/50
C140
R138
SW104
4
6
1
3
2
5
SW105
3
2
6
5
4
1
91K
R129
270K
R130
270K
R147
12K
C146
C148
C217
C149
18P
0.1
0.1
R150
100K
22/16
C150
2.2/50
C151
C153
C202
R177
110K
C154
2.2/50
68P
12P
2.2/50
R148
12K
R149
R151
10K
R154
10K
R172
R155
22K
82K
51K
VR107
20K
3
2
1
R131
C129
2.2/50
C130
2.2/50
33K
R128
12K
R132
33K
4.7/50
N
R206
J105
SW103
5
4
6
1
3
2
J106
1K
R136
220K
C139
0.1
R137
3K
8
4
1
2
+
–
1/2
IC104
Q103
3
8
4
1
2
+
–
2/2
IC104
5
7
6
VR101
C108
0.1
20K
13
2 2
3
1
R123
470
C209
1000P
C201
1000P
C210
1000P
4
7
3
1
JK101
-2
12
14
17
13
11
C21
1
1000P
JK101
-1
2
4
7
3
1
C212
1000P
JK104
-2
12
14
17
13
11
C213
1000P
JK104
-1
2
4
7
3
1
1
GND
4
LINE-2
GND
LINE-1
R902
JK901
5
4
6
2
1
3
1K
R901
1K
R904
1K
R903
1K
GND
LINE-2
3
2
1
4
3
LINE1 OUT
2
LINE1 IN
C200
1000P
C215
1000P
1
GND
E801
(1/2)
LINE1 OUT
LINE1 IN
GND
3
2
1
1
VR801
20K
3
2
3
GND
6
TONE-IN
E801
(2/2)
7
TONE-FB
5
TONE-OUT
4
GND
6
TONE-IN
CN106
(2/2)
7
TONE-FB
5
TONE-OUT
4
GND 2
2
JK902
REC/PRE OUT
E902
0dB,10K
Ω
UNBALANCED
UNBALANCED
0dB,10K
Ω
0dB,20K
Ω
1
1
AMP IN 3
3
5
4
6
GND 4
GND
2
REC/PRE OUT
CN107
1
AMP IN
3
GND
4
SIG
2
COM(GND)
CN101
1
GND
2
MICSIG
CN108
1
VCC+24V
4
GND
5
LINESIG
3
VCC+24V
2
AF(R)
CN109
1
GND
3
GND
2
CLLSIG
CN102
OPEN
OPEN
OPEN
1
VCC+24V
3
NC
4
VCC+24V
2
GND
CN104
1
MUTE
3
VCC+24V
2
LEVEL SIG
CN103
1
GND
3
Important safety notice
Components identified by "      " mark
have special characteristics for safety.
When replacing any of these components,
use only manufacture's specified parts.
PREAMP BOARD
PIN JACK
BOARD (1/2)
VR
BOARD (1/2)
VR BOARD (2/2)
PIN JACK
BOARD (2/2)
1
A
B
D
C
2
3
4
5
6
2-4
SCHEMATIC DIAGRAM OF CONTROL BOARD
FOR WA-H120CH
TO
PO AMP
BOARD
E403
CN501
NF ENV+
NC
PF ENV+
11
ENV OUT+
J510
R526
3.3K
OPEN
C509
D509
D508
D507
D504
D503
D554
D553
D556
D551
D552
D557
D558
D506
D502
D501
Q510
Q509
Q508
Q507
D505
Q504
Q502
Q503
Q553
Q552
Q556
Q554
Q555
Q557
Q558
Q559
Q560
D555
Q551
Q501
Q505
Q506
Q511
100P
C508
100P
C506
R517
18K
C505
0.1
R510
18K
R506
240
R507
1K
R557
1K
C501
R502
R501
10K
10K
220P
C502
10P
R551
R552
10K
10K
C551
C552
10P
220P
R524
47K
R523
10K
R519
5.6K
R518
1.1K
R51
1
5.1K
R505
10K
R514
3K
R512
6.2K
R516
100K
R515
10K
R513
10K
R509
R504
24K
680
R554
680
R553
10K
R559
24K
R563
10K
R565
10K
R562
6.2K
R555
10K
R561
5.1K
R564
3K
R567
1.8K
R568
5.1K
R556
240
R560
18K
R558
24K
R503
10K
C504
0.1
C503
0.15
C553
0.15
C554
0.1
C555
C557
1000P
100P
C556
100P
R508
24K
C510
C512
1000P
100P
C51
1
100P
C507
0.022
R522
10K
R521
1.5K
R520
1.5K
12
+B
13
10
9
V OUT
8
COM (GND)
7
V IN
6
NF ENV-
5
PF ENV-
4
NC
3
ENV OUT-
2
-B
1
1
A
B
CONTROL BOARD
2
3
3-1
POWER
BOARD
(COMPONENT SIDE)
POWER SELECTION
BOARD
(COMPONENT SIDE)
LED-1 BOARD
LED-2 BOARD
(COMPONENT SIDE)
(COMPONENT SIDE)
POWER SWITCH BOARD
SP-SW BOARD
(COMPONENT SIDE)
(COMPONENT SIDE)
1
A
B
D
C
2
3
CONDUCTOR VIEW OF POWER BOARD / 
POWER SWTCH BOARD / POWER SELECTION BOARD /
LED-1 BOARD / SP-SW BOARD / LED-2 BOARD
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