Speaker Circuit - Panasonic SA-XR57E Service Manual

13.7. SPEAKER CIRCUIT

SCHEMATIC DIAGRAM - 17
SPEAKER CIRCUIT
Q881
B1ABGC000001
SWITCH
R881
3300
Q881
SPGND
Q882
B1ABGC000001
SWTICH
R883
3300
Q882
SPGND
Q883,Q884
B1ABGC000001
SWITCH
R887 R888
3300 3300
Q883
SPGND
JW604
A_SP
1
B_SP
TO 2
BI-AMP
MAIN (DIG2)
3
DUAL
CIRCUIT
4
(P604) ON TRIPLE
5
SCHEMATIC
SP_RELAY_+B
6
DIAGRAM-8
SPGND
7
: +B SIGNAL LINE : MAIN SIGNAL LINE
RY601
K6B2AGA00011
6 5
4 3
2 1
D881
B0ACCK000005
RY602
K6B2AGA00011
6 5
4 3
2 1
D882
B0ACCK000005
7 5 3 1
6 4 2
8
Q884
SPGND
5 3
7 1
8 6 4 2
7 5 3 1
4
8 6 2
7 5 3 1
8 6 4 2
SA-XR57E/EB/EG SPEAKER CIRCUIT
87
SA-XR57E / SA-XR57EB / SA-XR57EG
JK601
+SURROUNDBACK_L
1
-SPEAKER_SBL
2
+SURROUNDBACK_R
TO SPEAKER
3
-SPEAKER_SBR
UNIT
4
C879 C880 C881 C882 AGND
5
820 820 820 820
JK602
+SURROUND_L
1
-SPEAKER_L
2
+SURROUND_R
3
-SPEAKER_R
4
C883 C884 C885 C886 AGND
5 TO SPEAKER
820 820 820 820
+CENTER
UNIT
6
-SPEAKER_C
7
+FRONT_BL
8
-SPEAKER_BL
9
AGND
C887 C888 C889 C890 10
820 820 820 820
JK603
+FRONT_BR
1
-SPEAKER_BR
2
+FRONT_AL
3
-SPEAKER_AL
TO SPEAKER
4
C891 C892 C893 C894 AGND
UNIT
820 820 820 820 5
+FRONT_AR
6
-SPEAKER_AR
7
AGND
C895 C896 8
820 820
JW603
C+
6
TO
C-
5
MAIN (DIG2)
SBR+
4 CIRCUIT
SBR-
(P603) ON
3
SBL+ SCHEMATIC
2
SBL- DIAGRAM-11
1
SR+
8
SR-
7
TO
SL+
6 MAIN (DIG2)
SL-
5 CIRCUIT
FR+
(P601) ON
4
SCHEMATIC
FR-
3
DIAGRAM-9
FL+
2
FL-
1
JW601