Sony SRS-BT100 / SRS-BT100IK Service Manual ▷ View online
SRS-BT100/BT100iK
5
3-3. MAIN BOARD, PANEL TOP BLOCK AND FRONT PANEL SUB ASSY
Note:
This illustration sees the front panel section from the back.
3-4. POSITION OF SPEAKER LEAD WIRES
four screws
(B2.6)
packing sheet (J)
MAIN board
six screws
(B3)
panel top block
front panel sub assy
wire (flat type) (9 core)
(CN402)
Remove the four solders.
Note: Install a speaker lead wire far from a pattern antenna (ANT401).
Note: Install a speaker lead wire far from
a pattern antenna (ANT401).
Note: Install a speaker lead wire far from
a pattern antenna (ANT401).
pattern antenna
(ANT401)
(ANT401)
MAIN board
front panel section
front panel section
speaker lead wire
(red)
(red)
speaker lead wire
(red)
(red)
speaker lead wire
(black)
(black)
speaker lead wire
(orange)
(orange)
speaker lead wire
(orange)
(orange)
– top view –
– rear view –
MAIN board
speaker lead wire
(black)
(black)
speaker lead wire
(black)
(black)
SRS-BT100/BT100iK
6
3-5. GRILLE CLOTH BLOCK
six shafts
(B3)
grille cloth block
When taking grille cloth block,
insert a thin flat screwdriver in a gap,
and take off a little so as not to injure
grille cloth block carefully.
grille cloth block
SRS-BT100/BT100iK
7
SECTION 4
DIAGRAMS
For Schematic Diagrams.
Note:
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in
Ω and
1
/
4
W or less unless otherwise
specifi ed.
• C : panel designation.
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.)
• A : B+ Line.
• Power voltage is dc 12V and fed with regulated dc power
• Power voltage is dc 12V and fed with regulated dc power
supply from J901 on the MAIN board.
• Voltages are dc with respect to ground under no-signal
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.
• Signal path.
F
F
: AUDIO
E
: BLUETOOTH
For Printed Wiring Boards.
Note:
• Y : Parts extracted from the conductor side.
•
• Y : Parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Parts face side:
(Conductor side)
Pattern face side:
(Component side)
Parts face side:
(Conductor side)
Pattern face side:
(Component side)
Parts on the parts face side seen from
the pattern face are indicated.
Parts on the pattern face side seen from
the parts face are indicated.
the pattern face are indicated.
Parts on the pattern 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.
• IC Block Diagrams
– MAIN Board –
– MAIN Board –
IC151 PST3616UL
–
+
Vref
1
GND
2
VDD
4 OUT
3 CD
IC201 MM1571JNLE
1
VIN
2
GND
3
CONT
4 NOISE
5 VOUT
DRIVER
CURRENT
LIMITTER
THERMAL
SHUTDOWN
BIAS
REFERENCE
SRS-BT100/BT100iK
8
IC351 TPA3100D2PHPR
RINN 2
RINP 3
GND
AVCC
1
48
AVCC
47
SHUTDOWN
44
MUTE
45
FAUL
T
46
VCLAMPL
30
GND
25
PVCCL
26
AGND 4
GND
GND
12
13
ROSC
14
VREG
15
AGND
17
GND
24
PVCCL
27
PGNDL
PGNDL
PGNDL
29
28
28
VBYP
16
–
+
+
+
–
–
+
+
+
–
GAIN
CONTROL
PWM
LOGIC
STARTUP
PROTECTION
LOGIC
BIASES
&
REFERENCE
VCCOK
VREGOK
THERMAL
SC DETECT
TLL INPUT
BUFFER
(VCC COMPLIANT)
TLL INPUT
BUFFER
(VCC COMPLIANT)
BSRP
43
ROUTP
41
+
–
–
+
–
–
LINP 5
LINN 6
+
–
–
–
+
+
–
–
–
+
GAIN
CONTROL
PWM
LOGIC
GATE
DRIVE
GAIN0 8
GAIN1 9
GAIN1 9
GAIN0 7
MSTR/SLV 10
SYNC 11
GAIN
CONTROL
TO GAIN
ADJUSTMENT
BLOCKS &
STARTUP LOGIC
RAMP
GENERATOR
GATE
DRIVE
+
–
–
+
–
–
8
AVCC
VREG
VBYP AVCC
VBYP
VBYP
VREG
AVCC
BSLP
18
LOUTP
19
LOUTP
20
VBYP
4V
REGULATOR
VCLAMP
GENERATOR
LOUTN
22
BSLN
23
LOUTN
21
GND
36
VCLAMPR
31
PGNDR
PGNDR
PGNDR
33
32
32
PVCCR
PVCCR
PVCCR
35
34
34
GATE
DRIVE
GATE
DRIVE
ROUTP
42
ROUTN
40
BSRN
38
GND
37
ROUTN
39
VCLAMP
GENERATOR
GAIN
GAIN
GAIN
GAIN
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