Kenwood KOS-V1000 Service Manual page 9

MICROCOMPUTER'S TERMINAL DESCRIPTION
● System µ-com: 703261YGC315A (X14-982: IC303)
Pin No. Pin Name
1 AVREF0
2 AVSS
3 V_MUTE
4 NC
5 AVREF
6 NC
7 CIR_BU_DET
8 FLMD0
9 VDD
10 REGC
11 VSS
12 X1
13 X2
14 RESET
15 XT1
16 XT2
17 PANEL_DET
18 VSY (VD)
19 BU_DET
20 OSD_MODE
21 ACC_DET
22 γ _CS
23 γ _DATA
24 γ _CLK
25 CIR_TX
26 CIR_RX
27 CIR_INI
28 CIR_RESET
29 CIR_STB
30 CIR_MREQ
31 CIR_SREQ
32 CIR_CON
33 EVSS
34 EVDD
35 SDA
36 SCL
37 NC
38 PLL_EN
39 PGOOD
40 SYNC_DET
Application
Power supply terminal
GND
Mute signal of composite video signal for monitor
(Not used)
Reference voltage input
(Not used)
Backup detection signal for X88
(Used only for software update)
Power supply terminal
Capacitor connection terminal for reducing power supply noise
GND
Inverter input terminal for system clock [4.953MHz]
Inverter output terminal for system clock [4.953MHz]
System reset input
Inverter input terminal for sub clock [32.768kHz]
Inverter output terminal for sub clock [32.768kHz]
Monitor connection detection
V-SYNC input
Backup detection
OSD circuit switching control signal
ACC detection
CS signal to Chroma γ -IC
DATA signal to Chroma γ -IC
CLOCK signal to Chroma γ -IC
DATA signal to media processor
DATA signal from media processor
Initialization signal for media processor
Reset signal for media processor
Standby signal for media processor
Request signal to media processor
Request signal from media processor
Media processor operation permission
GND
Power supply terminal
DATA I/O signal with E2PROM
CLOCK signal to E2PROM
(Not used)
PLL IC enable signal
Error detection in power supply voltage to DC/DC converter IC
Detection of composite video signal in monitor output
KOS-V1000/V500
I/O
-
-
O
O
-
O
O
I
-
-
-
-
-
I
-
-
I
I
I
O
I
O
O
O
O
I
O
O
I
O
I
O
-
-
I/O
O
O
O
I
I
Note
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