WR-X22NL, WR-X22NH - Panasonic Provideo Service Manual (repair manual). Page 12

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BLOCK DIAGRAM (1/6)
E1
SW101
Q101-104
IC101(1/2)
IC103
IC102(1/2)
VR12
VR13
IC202(1/2)
EQ
HPF
TO
E7
(CN11)
TO
E8
(CN31)
TO
E9
(CN51)
TO
E10
(CN71)
TO
E24
(CN52A)
TO
E11
(CN81)
TO
E12
(CN82)
TO
E13
(CN83)
TO
E14
(CN84)
TO
E22
(CN53A)
TO
CONTROL
BOARD
(3/5)
(Page 12)
TO
CONTROL
BOARD
(1/5)
(Page 10)
TO
CONTROL
BOARD
(3/5)
(Page 12)
IC701(1/2)
Q703-706
SW71
SW151
IC153(1/2)
INPUT
SW151
LEVEL
SWITCH
-10
(-10dB)
+10
-10
+10
0
0
PHANTOM
(+13dB To +53dB)
ON
OFF
IC702(1/2)
IC802(1/2)
HIGH
LOW
IC703
VR72
VR73
HIGH
LOW
VR11
E2
E3
E4
JK11
FILTER
MONO
INPUT
1
MIC:-60dB to -20dB
       10K
Ω
MIC:-60dB to -20dB
       10K
Ω
[MONO INPUT 1]
[MONO INPUT 1]
SW101
LEVEL
SWITCH
VR11
TRIM
ADJUSTER
VR71
TRIM
ADJUSTER
VR12,13
EQUALIZER
KNOBS
VR72,73
EQUALIZER
KNOBS
[MONO INPUT 2]
[MONO INPUT 1]
SAME AS
[MONO INPUT 2]
[MONO INPUT 7]
SW71
PHANTOM POWER
SWITCH
[MONO INPUT 1]
SAME AS
[MONO INPUT 3]
[MONO INPUT 1]
SAME AS
[MONO INPUT 4]
[MONO INPUT 1]
SAME AS
[MONO INPUT 5]
[MONO INPUT 1]
SAME AS
[MONO INPUT 6]
[STEREO INPUT 1]
HEAD AMPLIFIER
HEAD AMPLIFIER
[MONO INPUT 1]
SAME AS
[STEREO INPUT 2]
[STEREO INPUT 1]
SAME AS
[STEREO INPUT 3]
[STEREO INPUT 1]
SAME AS
[STEREO INPUT 4]
[STEREO INPUT 1]
SAME AS
[MONO INPUT 3]
[MONO INPUT 1]
SAME AS
[MONO INPUT 4]
[MONO INPUT 1]
SAME AS
[MONO INPUT 5]
[MONO INPUT 1]
SAME AS
[MONO INPUT 6]
[MONO INPUT 7]
[MONO INPUT 1]
SAME AS
[MONO INPUT 8]
[STEREO INPUT 1]
JK15(1/2)
STEREO
INPUT
JACKS
1
[MONO INPUT 7]
SAME AS
[MONO INPUT 8]
[MONO INPUT 7]
SAME AS
[STEREO INPUT 2]
[STEREO INPUT 1]
SAME AS
[STEREO INPUT 3]
[STEREO INPUT 1]
SAME AS
[STEREO INPUT 4]
[STEREO INPUT 1]
SAME AS
LINE:-30dB to +10dB
        10K
Ω
JK11
MONO INPUT CONNECTOR 1
JK71
MONO INPUT CONNECTOR 7
FILTER
JK71
FILTER
MONO
INPUT
7
JK15(1/2)
STEREO
INPUT
1
L
R
(WITH PHANTOM)
+10/0/-10dB
10K
Ω
FILTER
PHANTOM
POWER
SUPPLY
Q701,702,707
INPUT
INPUT
VR71
INPUT
INPUT
LEVEL
CONTROLLER
INPUT
LEVEL
CONTROLLER
(+13dB to +53dB)
INPUT
INPUT
IC101(2/2)
0dB
HPF
IC701(2/2)
0dB
0dB
EQ
0dB
+11.5dB
∑
+11.5dB
∑
+11.5dB
∑
MIC
MIC
LINE
LINE
(L)
(R)
+
-
+
-
+
-
+
-
+
-
+V1
-V1
+V4
-V4
+
-
+
-
+
-
+
-
+
-
2
HOT
F11
F12
F71
F72
COLD
HOT
COLD
3
2
3
CN11
CN41
CN71B
7
1
8
2
4
1
1
1
2
2
5
2
4
1
5
2
7
1
8
2
1
1
2
2
1
1
4
4
2
2
2
2
1
1
4
4
4
4
5
5
1
1
2
2
4
4
5
5
1
1
2
2
(CN11A)
2
8
4
7
1
8
4
7
1
2
1
1
1
3
3
2
2
2
1
7
6
5
+
-
7
6
5
1
1
3
3
2
1
LV1
LV7
MONO1
MONO7
LV8
MONO8
LV3
MONO3
LV2
MONO2
LV4
MONO4
LV5
MONO5
LV6
MONO6
CN22A
2
2
1
1
2
1
2
1
CN42A
CN62A
CN82A
CN52B
CN152
LV1
LV2
LV3
LV4
LV5
LV6
LV7
LV8
1
2
3
4
LV9
LV10
LV11
LV12
1
2
CN452
1
2
CN352
1
2
CN252
CN151
STEREO 2L
STEREO 2R
LV10
STEREO 1L
STEREO 1R
L
R
LV9
LV11
LV12
STEREO 3L
STEREO 3R
STEREO 4L
STEREO 4R
1
2
1
2
3
4
5
6
7
8
2
(CN21A)
(CN31A)
(CN41A)
(CN51A)
(CN61A)
(CN71A)
CN81B
CN15B
CN31B
CN251
CN351
(CN81A)
+48V
(Refer to Page 16 and 18 for the Schematic Diagram.)
CANNON CONNECTOR A BOARD(1/3)
(Refer to Page 17 for the Schematic Diagram.)
JACK BOARD(1/5)
(Refer to Page 16 to 21 for the Schematic Diagram.)
AUDIO BOARD(1/3)
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