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Pin No.
Pin Name
I/O
51
MD2
I
Flash programming MD2 input
52
RDS CLK
I
RDS clock input to tuner
53
RDS DATA
I
RDS data input to tuner
54
SIRCS
I
Data input from the remote control receiver
55
FUSE DETECT
I
Power supply off detect (connected to +3.3V)
56
POWER KEY
I
Power swich detection signal input
57
NOT IN USE
I
Not used (pull down)
58
NOT IN USE
I
Not used (pull down)
59
VOL(B)
I
Volume signal input from the rotary encoder
60
VOL(A)
I
Volume signal input from the rotary encoder
61
DIN
O
Serial data output to µPD16315
62
CLK
O
Clock signal output to µPD16315
63
FL_STB
O
STB signal output to µPD16315
64
FAN_ON
I
Fan motor on detection signal input
65
FAN_CLK
I
Feedback signal input from fan motor
66
POWER RELAY
O
Power relay drive signal output
67
PROTECTOR
I
Protect detection signal input
68
F_CTRL2
O
Fan speed control signal output
69
F_CTRL1
O
Fan ON/OFF control signal output
70
REAR RELAY
O
Surround relay drive signal output
71
CENTER RELAY
O
Center relay drive signal output
72
PREOUT/FRONT RELAY
O
Front relay drive signal output
73
TUNED
I
Tuning a frequency detection signal input from the tuner
74
STEREO
I
STEREO tuning signal from the tuner
75
MUTE
O
Muting control signal output from the tuner
76
DO
I
Data input from the tuner
77
RSTX
I
System reset input
78
SLATCH
O
Serial control latch signal output to the tuner
79
X1A
—
Not used (open)
80
X0A
—
Not used (connected to ground)
81
VSS
—
Ground
82
XO
O
Clock output (16MHz)
83
XI
I
Clock input (16MHz)
84
VCC3
—
Power supply (+3.3V (STBY))
85
NOT IN USE
I
Not used (pull down)
86
NC
I
Not used (pull down)
87 to 92
NOT IN USE
I
Not used (pull down)
93
XMODE
O
Reset signal output to LC89056W
94
CKSEL1
O
Not used
95
CLK
O
Clock signal output to LC89056W
96
CE
O
Chip enable signal output to LC89056W
97
DI
O
Write data output to LC89056W
98
DO
I
Read data input from LC89056W
99
ERROR
I
PLL lock error, data error flag input from LC89056W
100
XSTATE
I
Source clock selection monitor input from LC89056W
Description
9
• Circuit Boards Location
POWER SW board
DISPLAY board
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this necessary note is printed in each block.)
For schematic diagrams.
Note:
• 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
/
W or less unless otherwise
4
specified.
•
%
: indicates tolerance.
•
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.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
No mark : FM
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
F
: ANALOG
J
: DIGITAL
c : DVD
9
STR-KSL40/SL40
STANDBY board
MAIN board
FM/AM tuner
DIGITAL board
For printed wiring boards.
Note:
• X : parts extracted from the component side.
•
: Through hole.
a
•
: Pattern from the side which enables seeing.
Caution:
Pattern face side:
Parts on the pattern face side seen from
(Side A)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side B)
the parts face are indicated.
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