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5-1. IC PIN DESCRIPTIONS
• IC801 TMP88CM22F-1B20 (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Pin Description
1
VSS
—
Ground
2
RMC_I
I
Infrared remote control signal input
3
FOK_I
I
Focus OK signal input from CXD3037R (IC601).
4
AGCPWM_O
O
AGC control pulse output
5
VCDON_O
O
CHG/HOLD LED control signal output
6
XV_RECV_O
O
Control signal output for Switching power supply circuit.
7
AMUTE_O
O
Analog audio muting ON/OFF signal control signal output (H: Mute ON)
8
VCC2ON_O
O
VCC2 voltage control output
9
XRST_O
O
Reset signal output to CXD3037R (IC601). (L: Reset)
10
SCK_O
O
Serial data transfer clock signal output to CXD3037R (IC601).
11
(SENS) MSDTI_I
I
Serial data input from CXD3037R (IC601).
12
MSDTO_O
O
Serial data output to CXD3037R (IC601).
13
WAKEUP_O
O
WAKE-UP control signal output (for system standby reset)
14
AD_SEL
I
Plug-in detection signal input of AUDIO OUT (OPTICAL) jack.
15
AD_CHGMNT
I
Battery charge voltage detection input from TB2119F (IC401).
16
AD_KEY2
I
VCD key input
17
AD_BATMNT
I
Battery voltage detection input
18
AD_KEY
I
Key input from switch board (A/D input).
19
AD_RMKEY
I
Key input from headphones with remote controller (A/D input).
20
AD_DCINMNT
I
DC input voltage detection input (A/D input) DC input jack use/no-use detect input
21
WP_OPEN (SLVCD)
I
CD door open/close detection input
22
VREFL
I
Reference voltage (0 V) input for A/D converter.
23
VREFH
I
Reference voltage (+2 V) input for A/D converter.
24
VDD
—
Power supply pin (+2 V)
25
SCOR_I
I
Sub code sync detection input from CXD3037R (IC601).
26
GRSCOR_I
I
GRSCOR signal input
27
FG_I
I
FG pulse input
28
BEEP_O
O
Beep sound output to HEADPHONE AMP (IC351).
29
XV_SEND_O
O
Request signal output to TMP87CM41U (IC803).
30
RMSCK_O
O
Communication clock to TMP87CM41U (IC803).
31
RMDATI_I
I
Communication data bus input from TMP87CM41U (IC803).
32
RMDATO_O
O
Communication data bus output to TMP87CM41U (IC803).
O
Read/write control signal output to headphones with remote. (L: Read, H: Write)
O
Serial data latch pulse output to headphones with remote.
I
WFCK input
I
G PROTECTION switch input
I
NTSC/PAL select input (“L”: PAL, “H”: NTSC)
I
AVLS (Automatic Volume Limiter System) switch input (L: Normal, H: Limit)
I
HOLD switch input (L: HOLD on, H: HOLD off)
I
EXT BATT plug-in detection input
O
Spindle motor driver control signal output
O
Optical pick-up VCC control signal output (L: on)
43
XLAT_O
O
Serial data latch pulse output to CXD3037R (IC601). (for ESP)
44
XSOE_O
O
Output enable signal output (for ESP)
45
VOLUME_IC_LATCH_O
O
Spindle motor driver latch output
46
XPOWLT_O
O
Latch output to VCD control IC.
47
XDOUTON_O
O
DIGITAL OUT LED control signal output
48
XAPC_OFF_O
O
APC mute signal output (L: mute)
49
VRST_O
O
Reset signal output to TMP87CM41U (IC803).
50 – 64
SEG14 – 0
O
LCD drive segment output
SECTION 5
DIAGRAMS
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