Sony HTP-78SS / HT-SF1100 / HT-SS1100 / STR-KS1100 Service Manual ▷ View online
STR-KS1100
11
11
STR-KS1100
4-3. BLOCK DIAGRAM – HDMI Section –
• SIGNAL PATH
: HDMI
SYSTEM CONTROLLER
IC1601 (3/4)
CN5001
HDMI
DVD IN
A24
77
B24
76
1
3
A23
74
B23
73
4
6
A22
71
B22
70
7
9
A21
68
B21
67
10
DATA2+
DATA2–
DATA1+
DATA1–
DATA0+
DATA0–
CLOCK+
CLOCK–
SCL (5V)
SDA (5V)
+5V POWER
18
12
15
16
21
S1
HDMI RECIVER, HDMI TRANSCEIVER
IC5001
12
HDMI-SW1
42
OEB
14
HDMI-OEB
SCL2
64
HOT PLUG DET
19
HPD2
62
HOT PLUG DET
19
HPD1
80
SDA2
63
CN5002
HDMI
VIDEO 2/BD IN
A14
15
B14
14
1
3
A13
12
B13
11
4
6
A12
9
B12
8
7
9
A11
6
B11
5
10
DATA2+
DATA2–
DATA1+
DATA1–
DATA0+
DATA0–
CLOCK+
CLOCK–
SCL (5V)
SDA (5V)
+5V POWER
18
12
15
16
SCL1
3
SDA1
2
13
HDMI-DET
LEVEL SHIFT
IC5004
ANALOG SWITCH
IC5005
CN5003
HDMI OUT
Y4 25
Z4 26
1
3
Y3 28
Z3 29
4
6
Y2 31
Z2 32
7
9
Y1 34
Z1 35
10
HPD_SINK
DATA2+
DATA2–
DATA1+
DATA1–
DATA0+
DATA0–
CLOCK+
CLOCK–
SCL (5V)
SDA (5V)
HOT PLUG DET
40
19
12
15
16
+5V POWER
18
SCL_SINK 38
SDA_SINK 39
16
HDMI-CTL
+5.6V
REGULATOR
IC5006
+3.3V
REGULATOR
IC5003
+8V
HDMI +3.3V
+5V
REGULATOR
IC5002
STR-KS1100
12
12
STR-KS1100
4-4. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
3
POWER CONTROL
IC901
D
(AC IN)
MAIN POWER
TRANSFORMER
T901
SUB POWER
TRANSFORMER
T902
F901
D908
ISOLATOR
PC901
B+ SWITCH
Q901
4 VCC
1 OCP/SYNC
5 FB/OLP
1
POWER CONTROL
IC921
DRAIN
4 VCC
6 FB/OLP
8 STARTUP
RECT
D931
D931
D932
ISOLATOR
PC903
SHUNT
REGULATOR
IC931
D922
D910
D905
D906, 907
POWER ON/OFF
CONTROL
Q943, 947
+31.5V
RECT
D943
D943
E4V
D914, 915
TH901
REGULATOR
Q921
POWER VOLTAGE
CONTROL
Q944, 964
ISOLATOR
D904
PC902
DSP +1.8V
+3.3V
REGULATOR
IC943
LINE
FILTER
LF901
LINE
FILTER
LF902
RECT
D901
D901
+1.8V
REGULATOR
IC1034
AMP +1.8V
+1.8V
REGULATOR
IC303
+3.3V
RECT
D942
D942
D. DCON +5V
+5V
REGULATOR
IC942
RECT
D941
D941
+12V
REGULATOR
IC941
+9V
+12V
RECT
D944
D944
B+ SWITCH
Q945
B+ SWITCH
Q946
+5V
REGULATOR
IC1033
+8V
A+5V
SHUNT
REGULATOR
IC951
STBY +3.3V
D1006
RESET SIGNAL
GENERATOR
IC1111
48
STOP P. STOP
77
RSTX
46
P. CONT1
91
P-CONT3
17
P-CONT2
SYSTEM CONTROLLER
IC1601 (4/4)
FL
FL
FL
VEE
FOR FLUORESCENT
INDICATOR TUBE
DC/DC CONVERTER
T700
RECT
D700 – 703
OSC
Q801
72 FL_DIN
73 FL_CLK
74 FL_STB
73 FL_CLK
74 FL_STB
FLUORESCENT
INDICATOR TUBE DRIVER,
LED DRIVER
IC700
7
DIN
8
CLK
9
STB
DVD_LED, VIDEO_LED,
SAT_LED, C-LINK_LED
D720 – 724
(PANEL INDICATOR)
FLUORESCENT
INDICATOR TUBE
FL700
SEG1 – SEG16
14 – 29
GRID1 – GRID12
42 – 31
1 – 4
54 SIRCS
ROTARY
ENCODER
RV700
LEVEL SHIFT
IC1651
REMOTE CONTROL
RECEIVER
IC701
MASTER
VOLUME
VOLUME
I/1
38 – 40
A/D0 – A/D2
S701 – 706
56 POWER_KEY
70 VOLB
71 VOLA
59 TV LED
D725
LED DRIVE
Q707
TV
60 SA-CD LED
D726
LED DRIVE
Q708
SA-CD/CD
67 TUNER LED
D727
LED DRIVE
Q709
TUNER
S707
ISOLATOR
PC904
AC DETECT
Q961
+9V
REGULATOR
IC1712
LED DRIVE
Q701 – 706
D909
B
SD
POWER
CONTROL
Q962, 963
(Page 10)
13
STR-KS1100
•
Note for Printed Wiring Boards and Schematic Diagrams
•
HDMI board is multi-layer printed board.
However, the patterns of intermediate-layer have not been in-
cluded in diagram.
However, the patterns of intermediate-layer have not been in-
cluded in diagram.
•
Indication of transistor
C
B
These are omitted.
E
Q
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
•
All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
f
: internal component.
•
2
: nonflammable resistor.
•
C
: panel designation.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Note on Printed Wiring Board:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
•
A
: B+ Line.
•
B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
under no-signal (detuned) conditions.
no mark : TUNER
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
J
: AUDIO (DIGITAL)
F
: AUDIO (ANALOG)
f
: TUNER
E
: HDMI
B
These are omitted.
C
E
Q
14
STR-KS1100
•
Circuit Boards Location
SPEAKER board
DCAC board
DISPLAY board
IO board
LED board
MAIN board
HDMI board
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