Sony CMT-CP100, Руководство по обслуживанию

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HCD-CP100/CP100K
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6-14. IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC801 CXP83124A-048Q (SYSTEM CONTROLLER, LCD DRIVER)
Pin No. Pin Name I/O Description
1 TAPE-END I Tape end detect sensor input terminal “H” input when the tape end detected
2
RDS-IN
(TUNED)
I
Serial data reading clock signal input from the RDS decoder (IC804)
(Used for the AEP and UK models only)
3 REMOCON I
Sircs remote control signal input from the remote control receiver (IC802)
4 MOT-CON O
Capstan/reel motor on/off control signal output terminal “H”: motor on
SOL-CON O Trigger plunger on/off control signal output terminal “H”: plunger on
6
5
T-MODE I
Head position detect switch input terminal “L”: forward direction, “H”: reverse direction
7 REG-CON O Main system power supply on/off control signal output terminal “H”: power on
JOG-C (BASS) Jog dial pulse input from the rotary encoder (RV803 BASS) (C phase input)
9
8
I
10
(TU-DATA)
C-DATA/
TU-DATA
O
Serial data output to the DSP/SSP (IC101) (at CD function)
PLL serial data output to the PLL IC (LC72137M) (at tuner function)
11
C-SQCK
(S-CLK)
O
Subcode Q data reading clock signal output to the DSP (IC101) (at CD function)
12
(S-SI) C-SQSO/
RDS-DATA
I
Subcode Q data input from the DSP (IC101) (at CD function)
RDS serial data input from the RDS decoder (IC804) (at tuner function)
(RDS decoder: used for the AEP and UK models only)
13
TRAY-OPEN
(S-SO)
O Motor drive signal output to the disc tray open/close motor driver (IC320) “H” active *1
14
(S-REQ) HOLD
O
Automatic power control hold signal output to the RF Amp (IC103)
15
TRAY-CLOSE
(PBC-LED)
O Motor drive signal output to the disc tray open/close motor driver (IC309) “H” active *1
16 JOG-D (BASS) I
I
Jog dial pulse input from the rotary encoder (RV803 BASS) (D phase input)
17
TUNED
(MPEG-RST)
Tuning detection signal input from the LA1837M (IC1) (at tuner function)
18 SENSE2/
(TU-COUNT)
TU-COUNT
I
Internal status detection monitor input from the DSP (IC101)
(for MIRR, DFCT2, etc.) (at CD function)
PLL count data input from the PLL IC (LC72137M) (at tuner function)
19 C-LATCH/
(TU-CE)
TU-CE
O
Serial data latch pulse output to the DSP (IC101) (at CD function)
PLL serial chip enable signal output to the PLL IC (LC72137M) (at tuner function)
20 JOG-B I
Jog dial pulse input from the rotary encoder (RV801 VOLUME) (B phase input)
21 JOG-A I
I
I
Jog dial pulse input from the rotary encoder (RV801 VOLUME) (A phase input)
22
AMP-MUTE
O
Muting on/off control signal output to the power amplifier (IC101, 201)
“H”: muting on
23 (SCK) JOG-G Jog dial pulse input from the rotary encoder (RV804 FUNCTION) (G phase input)
29
(TREBLE)
JOG-E
Jog dial pulse input from the rotary encoder (RV802 TREBLE) (E phase input)
25 TU-ON O
Power supply on/off control signal output of the tuner section (FM +7.5V)
LED drive signal output of the TUNER indicator (D856) “H”: tuner power on (LED on)
26 D.S.G. O
LED drive signal output of the DSG (Dynamic Sound Generator) indicator (D858)
“H”: LED on
27 CD-SYNC O
LED drive signal output of the CD SYNC indicator (D859) “H”: LED on
28 (JOG-G) SCK O Serial data transfer clock signal output to the BD3861FS (IC323)
Serial data transfer clock signal output to the DSP/SSP (IC101) (at CD function)
C-CLK/TU-CLK
(TU-CLK)
O
PLL serial data transfer clock signal output to the PLL IC (LC72137M) (at tuner function)
*1 Disc tray open/close motor control
Stop Table In Table Out Brake
TRAY-OPEN (pin )
“L” “L” “H” “H”
TRAY-CLOSE (pin )
“L” “H” “L” “H”
Terminal
Mode
qd
qg
24
HP-CHK
(MICHECK)
I Headphone jack IN/OUT check detection signal input terminal
Pin No. Pin Name I/O Description
30
JOG-F
(TREBLE)
Jog dial pulse input from the rotary encoder (RV802 TREBLE) (F phase input)
32 TC-SW I
Half detect (side A and B) switch and cassette in detect switch input terminal (A/D input)
33
(JOG-H)
TRAY-SW
I
Disc tray position detect switch (S1) input terminal (A/D input)
“L”: close position, “M”: open position, “H”: moving
34 KEY3 I
Key input terminal (A/D input) S816 to S820 (BAND, DSG, /–, TUNING MODE
input)
35 KEY2 I
Key input terminal (A/D input) S801 to S808 (I/
1
, CD
u
/
x
/
> M
/
m .
, PLAY
MODE, REPEAT, CD EJECT
Z
keys input)
36 KEY1 I
Key input terminal (A/D input)
S809 to S815 (TAPE
n N / x / M / m / X , REC z , DC SYNC keys input)
37 SIMUKE/TEST I
Destination setting terminal (A/D input)
38 RESET I
System reset signal input from the reset signal generator (IC803) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
39 EXTAL1 I Main system clock input terminal (4.19 MHz)
40
XTAL1
O
Main system clock output terminal (4.19 MHz)
41 VSS —
Ground terminal
42 XTAL2 O Sub system clock output terminal (500 kHz) Not used (open)
43
EXTAL2
I
Sub system clock input terminal (500 kHz) Not used (fixed at “L”)
44 AVREF I
Reference voltage (+5V) input terminal (for A/D conversion)
45 AVSS — Ground terminal (for A/D conversion)
46
VL
O
Liquid crystal display bias on/off control signal output terminal
47 to 49
VLC3 to VLC1
—
Power supply terminal for the liquid crystal display bias
50 to 53 COM0 to COM3 O Common drive signal output to the liquid crystal display (LCD801)
54 to 85 SEG0 to SEG31 O
Segment drive signal output to the liquid crystal display (LCD801)
86 C-XRST/FM ON O
Reset signal output to the DSP (IC101) and BA5974FP (IC102) (at CD function)
FM power supply ON/OFF control signal output to the tuner section (FM +7.5V)
(at tuner function)
87 REC-MUTE O
Recording muting on/off selection signal output to the Tape section
“H”: muting on, “L”: muting off
88 SDA O Sirial data output to the BD861FS (IC323)
89 VDD —
Power supply terminal (+5V)
90 NC — Connected to power supply (+5V)
91 VSS —
Ground terminal
92
TX
O
Sub system clock output terminal (32.768 kHz)
93 TEX I Sub system clock input terminal (32.768 kHz)
94 CD-ON O
Power supply on/off control signal output of the CD section (+5V)
LED drive signal output of the CD indicator (D852) “H”: CD power on (LED on)
95 REC/PB O
Recording/playback selection signal output to the BA3126N (IC402)
“L”: playback mode, “H”: recording mode
96 L-MUTE O
Line muting on/off selection signal output to the Tape section
“H”: muting on, “L”: muting off
97 AU-MUTE O
Muting on/off control signal output terminal “H”: muting on
98 TC-ON O
Power supply on/off control signal output of the cassette holder back light
LED drive signal output of the TAPE indicator (D854, 855) “H”: back light on (LED on)
99 WP I Wakeup control signal input terminal
100
(S-ACK)
C-SCOR
I Subcode sync (S0+S1) detection signal input from DSP on the CD section (at CD function)
JOG-H (FM-ON) Jog dial pulse input from the rotary encoder (RV804 FUNCTION) (H phase input)
I
I
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