Microprocessor Pin Description - Kenwood KRF-V5010 Service Manual

QQ
3 7 63 1515 0

6. Microprocessor pin description

Pin No. Pin name
1, 2 G10~G11
3 –
4 RDS. CK
5 RDS. DT
6 –
7 VOL. ENC. A
8 REMOCON
9 VOL. ENC. B
10, 11 –
12~14 KR0 - KR2
15 PROTECT
16 S. DATA
17 S. BUSY
18 E2. DT
19 E2. CLK
20 SEL. ENC.A
21 SEL. ENC.B
22 MULTI. ENC.A
23 MULTI. ENC.B
24 SER.IN
25 SAP.M1
26 SAP.IN
27 SAP.M2
28 Vdd
29 S.LEVEL
TE
L 13942296513
30 P/L. DT
31 P/L. CK
32 P/L. ST
33 PLL. DO
34 PLL. ST
35 PLL. SD
36 RCV. CE
37 AVss
38 RESET
39 EXTAL
40 XTAL
41 Vss
42 TX
43 TEX
44 Vdd
45 Vfdp
46 SEL. ST1
47 PLL. DT
48 PLL. CK
49 PLL. CE
50 T. MUTE
51 A. MUTE
52 SW. MUTE
53 10dB. ATT
54 VOL. DT
55 VOL. CK
www
56 VOL. ST
57 VCR. MUTE
58 VCR. A
59 VCR. B
.
60 FA. RLY
61 FB. RLY
62 C. RLY
63 S. RLY
KRF-V5010/V6010/V7010/VR-205/206/207/255/257
CIRCUIT DESCRIPTION
I/O
O FL (11-MT-116GK) GRID 10, 11
– Unused
I RDS IC (SAA6579) clock input control
I RDS IC (SAA6579) data input control
I Unused
I Volume encoder A (CW) signal
I Remote control
I Volume encoder B (CCW) signal
O Unused
I Key return 0~2
I Protection detect
I/O Serial communication data
I/O Serial communication busy
I/O E2PROM data
O E2PROM clock
I Selector encoder A (CW)
I Selector encoder B (CCW)
I Multi control encoder A (CW)
I Multi control encoder B (CCW)
I Serial communication 8bit/16bit changeover
O SAP IC (CXA1124BS) M1 control
I SAP IC (CXA1124BS) SAP signal control
O SAP IC (CXA1124BS) M2 control
– Analog power supply (+5V)
I Signal level A/D input
O PROLOGIC IC (M62460FP) strobe
O PROLOGIC IC (M62460FP) clock
O PROLOGIC IC (M62460FP) data
I PLL IC DO signal
I TUNER STEREO signal detect
I TUNER SD signal detect
I RECEIVER CHIP ENABLE signal
– Analog GND
I u-Com reset
I Main clock (8MHz)
– Main clock (8MHz)
– u-Com GND
– Unused
I GND
– +5V
– -33V
O TC9162AF/63AF/64AF strobe1
O PLL IC DATA signal output
O PLL IC CLOCK signal output
O PLL IC CE signal output
O Tuner mute control
O Output mute control
O SUB WOOFER mute control
O VOLUME 10dB ATTENUATOR control
O VOLUME IC (M62446SP) data control
O VOLUME IC (M62446SP) clock control
O VOLUME IC (M62446SP) strobe control
O VIDEO IC (NJU2279D) cont2/4 control
x ao u163
y
O VIDEO IC (NJU2279D) cont1 control
O VIDEO IC (NJU2279D) cont3 control
i
O Front SP. A relay control
O Front SP. B relay control
O Center SP. relay control
O Surround SP. relay control
2 9
8
Description
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
Active
H : PROTECT
L : 8bit H : 16bit
L : sap
0 5 8 2 9 9 4 2 8
L : active
L : active
L : STEREO
L : TUNED
L : ENABLE
H : LATCH
L : MUTE ON
L : MUTE ON
L : MUTE ON
L : ATT ON
H : active
m
H : active
L : mute on
H/L : static
H/L : static
H : relay ON
H : relay ON
H : relay ON
H : relay ON
9 9
9 9
11