Sony HS-MB1 Service Manual ▷ View online
HS-MB1
9
3-2. VIDEO BOARD
3-3. MAIN BOARD
two screws
(+BVTP
(+BVTP
3
× 8)
three screws
(+BVTP
(+BVTP
3
× 8)
RT VIDEO board
CN310 (15P)
CN320 (10P)
RB
wire (flat type)(28 core)
(CN103)
(CN103)
wire (flat type)(26 core)
(CN102)
(CN102)
wire (flat type)(13 core)
(CN903)
(CN903)
wire (flat type)(18 core)
(CN1110)
(CN1110)
wire (flat type)(25 core)
(CN705)
(CN705)
three screws
(+BVTP
(+BVTP
3
× 8)
three screws
(+BVTP
(+BVTP
3
× 8)
chassis (MB)
MAIN board
HS-MB1
10
SECTION 4
DIAGRAMS
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed in each block.)
(In addition to this, the necessary note is printed in each block.)
For Schematic Diagrams.
Note:
• All capacitors are in
• All capacitors are in
μF unless otherwise noted. (p: pF) 50
WV or less are not indicated except for electrolytics and
tantalums.
tantalums.
• All resistors are in
Ω and 1/4 W or less unless otherwise
specifi ed.
• %
: indicates tolerance.
• f
: internal component.
• 2 : nonfl ammable resistor.
• C : panel designation.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
• no mark : POWER ON
• Voltages are taken with VOM (Input impedance 10 M
• Voltages are taken with VOM (Input impedance 10 M
Ω).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
For Printed Wiring Boards.
Note:
• X : parts extracted from the component side.
• a :
• X : parts extracted from the component side.
• a :
Through
hole.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Pattern face side:
(SIDE B)
Parts face side:
(SIDE A)
Parts on the pattern face side seen from
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
• Waveform
– VIDEO Board –
2.1 Vp-p
4 MHz
1 V/DIV, 0.1 μsec/DIV
IC100
FM (X0)
HS-MB1
HS-MB1
11
11
4-1. BLOCK DIAGRAM – AUDIO SELECT Section –
CN2501 (1/2)
AUDIO SELECTOR A
IC2900
SYSTEM CONTROL
IC100 (1/7)
AUDIO SELECTOR B
IC2901
AUDIO SELECTOR C
IC2902
ZONE
EXPANSION
IN
1
3
29
9
MIC-A
MIC-B
MONITOR
SOURCE-1-L
23 INR1
INR2
INR3
INL4
INL5
INL6
INL7
INL8
INR1-3
INL4-8
88 ZONE_1-L
ZONE_3-L
ZONE_1-L-ZONE_8-L
ZONE_2-L
ZONE_4-L
ZONE_6-L
ZONE_5-L
ZONE_6-L
ZONE_5-L
85
83
83
47 ASEL1_DAT
ASEL1_CLK
ASEL2_DAT
ASEL2_CLK
ASEL2_CLK
ASEL3_DAT
ASEL3_CLK
ASEL3_CLK
88
85
83
85
83
88
83
83
SLOUTX
SBLOUT
LOUT
SLOUT
SBLOUT
LOUT
SBLOUT
LOUT
ZONE_7-L
ZONE_8-L
ZONE_8-L
25
27
28
30
32
34
36
59
CLOCK
60
DATA
49
48
48
59
CLOCK
60
DATA
51
50
50
59
CLOCK
60
DATA
19
11
21
SOURCE-1-R
SOURCE-2-L
SOURCE-2-R
SOURCE-3-L
SOURCE-3-R
SOURCE-4-L
SOURCE-4-R
13
23
15
25
17
27
1
3
29
9
19
11
21
13
23
15
25
17
27
DMPORT-R
DMPORT-L
MIC-A
MIC-B
MONITOR
SOURCE-1-L
SOURCE-1-R
SOURCE-2-L
SOURCE-2-R
SOURCE-3-L
SOURCE-3-R
SOURCE-4-L
SOURCE-4-R
DMPORT-R
DMPORT-L
MIC-A
MIC-A
MIC-B
MIC-B
MONITOR
MIC-A_I
MIC-B_I
MIC-B_I
MONITOR_I
MIC-B
MONITOR
SOURCE-1-L
SOURCE-2-L
SOURCE-3-L
SOURCE-4-L
DMPORT-L
SOURCE-1-L-SOURCE-4-L
DMPORT-L
DMPORT-L
RS232C
SECTION
C
Rch
Rch
Rch
Rch
Rch
Rch
Rch
Rch
Rch
Rch
ZONE SW
SECTION
A
MIC SELECT
SECTION
B
CN2502 (1/2)
ZONE
EXPANSION
OUT
46
23,25
27,28
30,32
34,36
27,28
30,32
34,36
INR1-3
INL4-8
23,25
27,28
30,32
34,36
27,28
30,32
34,36
(Page 12)
(Page 15)
(Page 14)
HS-MB1
HS-MB1
12
12
4-2. BLOCK DIAGRAM – MIC SELECT Section –
22
81
24
26
28
30
32
34
36
26
28
30
32
34
36
35
34
34
110
111
112
113
106
105
104
109
108
107
111
112
113
106
105
104
109
108
107
123
124
124
53
52
52
51
56
56
1
7
3
5
86
88
88
83
85
85
12
14
15
14
15
0X
X1
X1
IN_1
IN_2
IN_3
IN_4
IN_5
IN_6
IN_7
IN_8
IN_2
IN_3
IN_4
IN_5
IN_6
IN_7
IN_8
CLOCK
DATA
CIN2
SWIN2
SWIN2
SW OUT
COUT
LOUT
SL OUT
SBL OUT
MIC_ZONE1-8
MIC_ZONE1
MIC_ZONE2
MIC_ZONE3
MIC_ZONE4
MIC_ZONE5
MIC_ZONE6
MIC_ZONE7
MIC_ZONE8
MIC_ZONE2
MIC_ZONE3
MIC_ZONE4
MIC_ZONE5
MIC_ZONE6
MIC_ZONE7
MIC_ZONE8
DOOR_MIC_AMP-A
DOOR_MIC_AMP-B
DOOR_MIC_AMP-B
DOOR_MIC_AMP-A
DOOR_MIC_AMP-B
2X
0Y
1Y
0X
1X
1Y
0X
1X
A
Y-COM
X-COM
DOOR_SP1
DOOR_SP2
B
C
INH
INH
Q3101
Q3106 Q3107 Q3108 Q3109
Q3103
Q3105
MIC-A_SELECT
A
B
INH
A
B
X-COM
6
59 60
9
10
6
9
10
11
13
12
14
15
14
15
0X
X1
2X
X1
2X
INH
Q3100 Q3102
Q3104
MIC-B_SELECT
A
B
INH
A
B
X-COM
6
9
10
13
12
14
15
14
15
0X
X1
2X
X1
2X
Q3111
Q3110
A
B
X-COM
9
10
13
2
1
1
12
13
13
15
DOOR1
DOOR2
DOOR SP AMP
IC2704
DOOR SP SWITCH
IC3103
MIC A SELECT SWITCH
IC3101
MIC B SELECT SWITCH
IC3102
MONITOR SELECT SWITCH
IC3104
MIC SELECTOR
IC3100
DOOR MIC AMP
IC2712
DOOR SP AMP
IC2706
3
1
MIC-A_I
MIC-B_I
MONITOR_I
MIC-B_I
MONITOR_I
SYSTEM CONTROL
IC100 (2/7)
SPCONT2
SPCONT1
DOOR_SP_SW_A
DOOR_SP_SW_B
DOOR_SP_SW_C
DOOR_SP_SW_INH
MIC-A_SELECT_SW_INH
MIC-A_SELECT_SW_B
MIC-A_SELECT_SW_A
MIC-B_SELECT_SW_INH
MIC-B_SELECT_SW_B
MIC-B_SELECT_SW_A
SPCONT1
DOOR_SP_SW_A
DOOR_SP_SW_B
DOOR_SP_SW_C
DOOR_SP_SW_INH
MIC-A_SELECT_SW_INH
MIC-A_SELECT_SW_B
MIC-A_SELECT_SW_A
MIC-B_SELECT_SW_INH
MIC-B_SELECT_SW_B
MIC-B_SELECT_SW_A
MONI_SELECT_SW_A
MONI_SELECT_SW_B
ASEL4_DAT
ASEL4_CLK
MONI_SELECT_SW_B
ASEL4_DAT
ASEL4_CLK
14
SP MUTE CONTROL
Q2709,2713,2749
SP MUTE CONTROL
Q2705,2712,2748
VIN VOUT2
4
8
AUDIO
SELECT
SECTION
B
POWER
SECTION
E
ZONE SW
SECTION
D
(Page 14)
(Page 11)
(Page 17)
Click on the first or last page to see other HS-MB1 service manuals if exist.