Read Sony HS-MB1 Service Manual online
HS-MB1
HS-MB1
14
14
4-4. BLOCK DIAGRAM – ZONE SW Section –
Q700
Q703
Rch
Q701
Q704-707
Q702
AUDIO SELECT SWITCH
IC700
6
AUDIO AMP(Lch)
IC710
IC701
IC708
IC712
MIC
–
+
7
2
3
MIC AMP
IC704
3
1
CN700 (1/2)
OUTPUT
ZONE 1
B
1
2
7
8
AUDIO AMP(Rch)
IC706
1
6
5
7
6
7
3
1
ZONE_1_L
ZONE_1_L
-ZONE_8_L
ZONE1(1/2)
Same as ZONE1
MIC_ZONE1
MIC_ZONE2
ZONE1_MIC/AU_SW_INH/C/B/A
ZONE_2_L
ZONE2_MIC/AU_SW_INH/C/B/A
A
Lch+1
B
C
INH
INH
C
B
A
6
9
10
11
2
1
1
12
13
13
15
14
Lch-1
Rch+1
Rch-1
CN701 (1/2)
OUTPUT
ZONE 2
B
1
2
7
8
ZONE2(1/2)
Lch+2
Lch-2
Rch+2
Rch-2
Q712-715
IC703
IC709
IC714
Same as ZONE1
ZONE_4_L
ZONE4_MIC/AU_SW_INH/C/B/A
CN703 (1/2)
OUTPUT
ZONE 4
B
1
2
7
8
ZONE4(1/2)
Lch+4
Lch-4
Rch+4
Rch-4
Q708-711
IC702
IC707
IC711
IC705
Same as ZONE1
ZONE_3_L
MIC_ZONE3
MIC_ZONE4
ZONE3_MIC/AU_SW_INH/C/B/A
CN702 (1/2)
OUTPUT
ZONE 3
B
1
2
7
8
ZONE3(1/2)
Lch+3
Lch-3
Rch+3
Rch-3
MIC
–
+
Q720-723
IC718
IC724
IC728
Same as ZONE1
ZONE_6_L
ZONE6_MIC/AU_SW_INH/C/B/A
CN709 (1/2)
OUTPUT
ZONE 6
B
1
2
7
8
Lch+6
Lch-6
Rch+6
Rch-6
Q716-719
IC717
IC722
IC726
IC720
Same as ZONE1
ZONE_5_L
ZONE5(1/2)
ZONE6(1/2)
MIC_ZONE5
MIC_ZONE6
ZONE5_MIC/AU_SW_INH/C/B/A
CN708 (1/2)
OUTPUT
ZONE 5
B
1
2
7
8
Lch+5
Lch-5
Rch+5
Rch-5
MIC
–
+
Q726-731
SYSTEM CONTROL
IC100 (4/7)
IC716
IC723
Same as ZONE1
ZONE_8_L
ZONE8_MIC/AU_SW_INH/C/B/A
CN707 (1/2)
OUTPUT
ZONE 8
B
1
2
7
8
Lch+8
Lch-8
Rch+8
Rch-8
Q724-727
IC715
IC721
IC725
IC727
IC719
Same as ZONE1
ZONE_7_L
ZONE7(1/2)
ZONE8(1/2)
MIC_ZONE7
MIC_ZONE8
ZONE7_MIC/AU_SW_INH/C/B/A
CN706 (1/2)
OUTPUT
ZONE 7
B
1
2
7
8
Lch+7
Lch-7
Rch+7
Rch-7
MIC
–
+
ZONE1_MIC/AU_SW
INH
C
B
A
59 56 55 54
ZONE2_MIC/AU_SW
INH
C
B
A
63 62 61 60
ZONE3_MIC/AU_SW
INH
C
B
A
67 66 65 64
ZONE5_MIC/AU_SW
INH
C
B
A
77 76 75 72
ZONE6_MIC/AU_SW
INH
C
B
A
81 80 79 78
ZONE7_MIC/AU_SW
INH
C
B
A
85 84 83 82
ZONE8_MIC/AU_SW
INH
C
B
A
91 90 87 86
ZONE4_MIC/AU_SW
INH
C
B
A
71 70 69 68
AUDIO
SELECT
SECTION
A
MIC_ZONE1-8
MIC
SELECT
SECTION
D
(Page 11)
(Page 12)
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