JVC HX-Z1R Service Manual page 40

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HX-Z1R
UPD784975AGF303 (IC810) : Main micon
1. Pin layout
100 ~ 81
1 80
~ ~
30 51
31 ~ 50
2. Pin function
Pin NO. Name I/O
1
AVDD -
2 I
SPIDTI
3
MSI I
4 MPX I
5
H/P I
6 KEY1 I
7
KEY2 I
8
KEY3 I
9 VOL- I
10
VOL+ I
11 SLCPLAY I
12
SLCKEY I
13
PHOTO A I
14 -
AVSS
15
VSS1 -
16 X1 I
17
X2 -
18 VDD1 -
19
IC(VPP) -
20
VC3RESET I/O
21 I/O
MSTAT
22
KCMND I/O
23 RDS DATA I/O
24
RDS CK INT
25 BUZZER I/O
26 INT
REMIN
27
SMUTE I/O
28 SLCCE I/O
29
CK I/O
30 DATA OUT I/O
31
DATA IN I/O
32
SM- I/O
33 I/O
SM+
34
ECHO1 I/O
35 ECHO2 I/O
1-40
Function
AD VDD, same as VDD1
SPI analog input
Music scan input
Tuner stereo indicator
SW vol IC btw bi-amp & dyn & off relay
Key 1 input
Key 2 input
Key 3 input
Volume decrease
Volume increase
SLC detect play
SLC key input
SLC photo A
AD VDD, same as VSS1
GND
Oscillation
Oscillation
Connect to VSS1
VC3 reset
VC3 status input
VC3 KCMND(serial data)
RDS data
RDS clock
Buzzer on
Remocon input
System mute
SLC chip enable
SLC / tuner clock
SLC / tuner data out
Tuner data in
Soundmode reverse
Soundmode forward
Echo 1 data
Echo 2 data
Digitized in Heiloo Netherlands
I/O
Pin NO. Name
36
SPI A I/O SPI A data
37 SPI B I/O SPI B data
38
SPI C I/O SPI C data
39 PBMUTE I/O Playback mute
40
VSS0 -
41
VDD0 -
42 I
RESET Micom reset
43
INH I/O Back-up mode detect
44 LATCH I/O Latch for vol IC
45
VOLCK I/O Volume clock
46 VOLDA I/O Volume data
47
RELAY I/O Relay out
48
POUT I/O Power on
49 I/O Ecology mode
ECON
50
I/O Protector in
PRT
51 AUXMUTE O Auxmute
52
TUCE O Tuner chip enable
53
O Available pin
54 O
Available pin
55
EXTDA O External IC data
56 EXTCK O External IC clock
57
EXTCE O External IC strobe
58 OEEXT O Output enable for external IC
59
VOLLED I/O Volume led
60
FSEARCH I/O Forward skip
61 I/O Reverse skip
RSEARCH
62~78
S21~S5 I/O FL segment
79 VDD2 I/O
80
VLOAD I/O Negative power supply(-30V)
81~84 S4~S1 I/O FL segment
85~100 I/O
G16~G1 FL display grid
Function
3/29/2018