Sony HT-SL50 / HT-SL55 / HT-SL70 / STR-KSL50 Service Manual ▷ View online
21
STR-KSL50
• IC1601 MB90478PF-G-139-BND (SYSTEM CONTROL)(DIGITAL BOARD)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30 to 32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
I/O
I
I
O
O
I
O
O
O
O
O
—
O
O
O
O
O
O
I
O
O
O
O
—
O
I
O
I
I
O
I
O
I/O
—
—
—
I
I
I
I
—
I
I
I
I
I
I
I
I
I
I
Pin Name
DATA O
GP9
BST
HCS
HACN
XRST
PM
PD
SMUTE
CDT1
VSS
SCL
CS
DATA
CLK
LATCH
WOOFER RELAY
HDOUT
HDIN
HCLK
F.MUTE
VIDEO-SW1
VCC5
ANA/DIG
NOT IN USE
VIDEO-SW2
FLASH2
FLASH1
VIDEO-MUTE
NC
SCL
SDA
AVCC
AVRH
AVSS
A/D0
A/D1
A/D2
A/D3
VSS
RDS SIGNAL
MODEL
VERSION
NC
CRYSTAL SEL
STOP
MD0
MD1
MD2
RDS CLK
Description
Data input from the DIR (IC1101)
External memory data input from the DSP (IC1201)
Boot strap signal output to the DSP (IC1201)
Chip select signal output to the DSP (IC1201)
Acknowledge signal input from the DSP (IC1201)
Reset signal output to the DSP (IC1201)
PLL initialization signal output to the DSP (IC1201)
Power down signal output to the CODEC (IC1501)
Soft mute signal output to the CODEC (IC1501)
Control data output to the CODEC (IC1501)
Ground terminal
Serial clock output to the CODEC (IC1501)
Chip select signal output to the CODEC (IC1501)
Serial control data output to the tuner and the IC401
Serial control clock output to the tuner and the IC401
Latch signal output to the IC401
Sub woofer relay control signal output
Serial data input from the DSP (IC1201)
Serial data output to the DSP (IC1201)
Clock signal output to the DSP (IC1201)
Function mute signal output
Video switch signal output to the video switch (IC201)
Power supply terminal (+3.3V) (STBY)
Function mute and error port signal output
Not used (fiexed at “L”)
Video switch signal output to the video switch (IC201)
Flash programming input
Flash programming input
Video mute signal output to tthe video switch (IC201)
Not used (fixed at “L”)
Clock output to the EEPROM (IC1604)
Serial data input/output from/to the EEPROM (IC1604)
Power supply terminal (A/D converter) (+3.3V)
External reference power supply (A/D converter)
Ground terminal (A/D converter)
Not used (fixed at “L”)
Key data signal input from S113, 116
Key data signal input from S111, 112
Key data signal input from S114, 115
Ground terminal
RDS signal level input
Model setting terminal
Destination setting terminal
Not used (fixed at “L”)
Not used (fixed at “L”)
Power stop detection signal input
Flash programming MD0 input
Operation mode setting terminal
Flash programming MD2 input
RDS clock input from the tuner
22
STR-KSL50
Pin No.
53
54
55
56
57, 58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87 to 92
93
94
95
96
97
98
99
100
Pin Name
RDS DATA
SIRCS
FUSE DETECT
POWER KEY
NOT IN USE
VOL(B)
VOL(A)
DIN
CLK
FL_STB
FAN_ON
FAN_CLK
POWER RELAY
PROTECTOR
F_CTRL2
F_CTRL1
REAR RELAY
CENTER RELAY
FRONT RELAY
TUNED
STEREO
MUTE
DO
RSTX
SLATCH
X1A
X0A
VSS
X0
X1
VCC3
NOT IN USE
NC
NOT IN USE
XMODE
CKSEL1
CLK
CE
DI
DO
ERROR
XSTATE
I/O
I
I
I
I
I
I
I
O
O
O
I
I
O
I
O
O
O
O
O
I
I
O
I
I
O
—
—
—
I
O
—
I
I
I
O
O
O
O
O
I
I
I
Description
RDS data input from the tuner
Data input from the remote control receiver
Fuse open detection signal input
Power switch detection signal input
Not used (fixed at “L”)
Volume signal input from the rotary encoder
Volume signal input from the rotary encoder
Serial control data output to the FL/LED driver (IC152)
Clock signal output to the FL/LED driver (IC152)
Latch signal output to the FL/LED driver (IC152)
Fan on level detection signal input
Feedback signal input from the fan (FAN901)
Power relay drive signal output
Protect detection signal input
Fan speed control signal output
Fan ON/OFF control signal output
Surround speasker relay control signal output
Center speasker relay control signal output
Front speasker relay control signal output
Tuning a frequency detection signal input from the tuner
Stereo detection signal from the tuner
Muting control signal output to the tuner
Data input from the tuner
System reset input
Serial control latch signal output to the tuner
Not used (open)
Not used (connected to the ground)
Ground terminal
Terminal for a oscillator
Terminal for a oscillator
Power supply terminal (+3.3V) (STBY)
Not used (fixed at “L”)
Not used (fixed at “L”)
Not used (fixed at “L”)
Reset signal output to the DIR (IC1101)
Clock selection signal output to the DIR (IC1101)
Clock output to the DIR (IC1101)
Chip enable signal output to the DIR (IC1101)
Data output to the DIR (IC1101)
Data input from the DIR (IC1101)
PLL lock error, data error flag input from the DIR (IC1101)
XSTATE signal input from the DIR (IC1101)
SECTION 4
EXPLODED VIEWS
NOTE:
•
-XX, -X mean standardized parts, so they may
have some differences from the original one.
have some differences from the original one.
•
Items marked “*” are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
are seldom required for routine service. Some
delay should be anticipated when ordering these
items.
•
The mechanical parts with no reference number
in the exploded views are not supplied.
in the exploded views are not supplied.
•
Abbreviation
MY : Malaysia model.
SP : Singapore model.
MY : Malaysia model.
SP : Singapore model.
23
STR-KSL50
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
including RV101
RV101
chassis section
8
8
9
#1
1
1
3
4
5
6
6
7
#1
2
1
4-977-358-01 CUSHION
2
4-246-464-01 KNOB VOL (SL50)
3
X-4955-549-1 FRONT PANEL ASSY (AEP,UK)
3
X-4955-550-1 FRONT PANEL ASSY (MY,SP)
4
1-687-430-11 POWER SW BOARD
5
1-773-041-11 WIRE (FLAT TYPE) (17 CORE)
4-1. Front Panel Section
6
4-951-620-01 SCREW (2.6X8), +BVTP
7
A-4733-041-A DISPLAY BOARD, COMPLETE
8
3-070-883-11 SCREW, TAPPING
9
4-246-548-01 CASE
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
24
STR-KSL50
Ref. No.
Part No.
Description
Remarks
Ref. No.
Part No.
Description
Remarks
#2
#1
#1
#1
#1
#1
#1
#3
#2
#2
#2
54
55
58
60
56
59
51
52
53
T901
FAN
TM301
F901
62
62
61
57
not
supplied
supplied
4-2. Chassis Section
51
4-214-557-11 CUSHION
52
4-943-687-01 HOLDER, PC BOARD
53
1-687-431-11 STANDBY BOARD
* 54
3-703-244-00 BUSHING (2104), CORD
0 55
1-777-071-23 CORD, POWER
56
A-4733-034-A MAIN BOARD, COMPLETE
57
1-769-876-11 WIRE (FLAT TYPE)(7 CORE)
58
1-773-105-11 WIRE (FLAT TYPE)(19 CORE)
59
1-773-175-11 WIRE (FLAT TYPE)(23 CORE)
60
A-4733-037-A DIGITAL BOARD, COMPLETE (AEP,UK)
60
A-4733-042-A DIGITAL BOARD, COMPLETE (MY,SP)
61
1-769-950-11 WIRE (FLAT TYPE)(11 CORE)(MY,SP)
61
1-773-017-11 WIRE (FLAT TYPE)(15 CORE)(AEP,UK)
62
4-965-822-01 FOOT
0 F901
1-532-463-51 FUSE (T1AL 250V)
FAN
1-763-561-22 FAN, D.C.
0 T901
1-439-630-11 POWER TRANSFORMER (AEP,UK)
0 T901
1-439-631-11 POWER TRANSFORMER (MY,SP)
TM301
1-693-578-13 TUNER (AEP,UK)
TM301
1-693-580-13 TUNER (MY,SP)
#1
7-685-646-79 SCREW +BVTP 3X8 TYPE2 IT-3
#2
7-685-645-79 SCREW +BVTP 3X6 TYPE2 IT-3
#3
7-685-880-09 SCREW +BVTT 4X6 (S)
The components identified by mark
0
or
dotted line with mark
0
are critical for safety.
Replace only with part number specified.
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