Sony HCD-H11, Руководство по обслуживанию

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IC101 TMP87CP64YF - 6335 (MASTER CONTROL)
SECTION 5
EXPLANATION OF IC TERMINALS
Pin No. Pin name I/O Description
1 V
SS
– Ground
2 X OUT O
Main system clock. (10MHz)
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
3 X IN I
–––––––––––––––
4
RESET
I Reset signal input terminal.
5 X OUT O
Sub system clock.(32kHz).
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
6 X IN I
7 GND – Ground.
–––––––––––––––––––
8
BACK UP
I BACK-UP mode input terminal.
9 COUNT SW – Not used. (Ground)
10 INIT SW – Not used. (Ground)
11
DISC SENS
– Not used. (Ground)
12
MID SENS
– Not used. (Ground)
13
CD XRST
O CD Reset output. “L” : RESET
14
POWER
O Power on output. “L” : ON
15
MUTE
O Mute output. “L” : MUTE
16
MPX
– Not used. (Open)
17 KEYCON LATCH – Not used. (Open)
18
VOL LATCH O
Latch output to volume control. (TC9210P)
19 ST MUTE – Not used. (Open)
20
ST FM
– Not used. (Open)
21 FUNC A O
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
22 FUNC B O
Function Select.
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
23 FUNC C O
24 GEQ.LATCH O Latch output to gray control. (M6243FP)
25 RDS. INT I Not used. (+5V)
26 SCOR (DSP) I Sub code sync SO+SI detection input from DSP. (CXD2507AQ)
27 CIN / SENS I SENS input from DSP. (CXD2507AQ)
28 CD POWER O Power on output. “H” : ON
29 CDG LATCH – Not used. (Open)
30 DBFB- 2 – Not used. (Open)
31
MUTE
– Not used. (Open)
32
CE
O Chip enable output to tuner PLL IC. (LC72130)
33
STEREO
I FM/AM Stereo identification. “L” : STEREO
34
TUNED
I FM/AM Tuning identification. “L” : TUNING
35 SQ-RDS-CLK O Sub-code Q data scanning clock output to DSP (CXD2507AQ), RDS clock output.
36 SQ-RDS-DI I Sub-code Q data input from DSP (CXD2507AQ), RDS data input.
37 RDS-RESET – Not used. (Open)
38 CLK O System clock output.
39
D. IN
I Serial data input from tuner.
40 D. OUT O Serial data (COMN) output.
FUNCTION FUNC A FUNC B FUNC C
ST L L H
CD L H H
TC H L H
MD H H L
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