Kenwood KC-Z1 Service Manual page 11

QQ
3 7 63 1515 0
Pin No. Pin Name
56,57 DIGSEL1
58 TYPESEL
59
60 RESET
61-67
68 VDD
69-70 X2,X1
71 IC(VPP)
72 XT2
73 XT1
74 AVDD
75 AVREF0
76-77
78 DSP2AK
79 DSP1RST
80 DSP1RDY
3. DSP (AC-3) : ZR38500-36 (X08 : IC47)
3-1. System block diagram
TE
L 13942296513
Ward clock
Bit clock
Serial bitstream
www
.
CIRCUIT DESCRIPTION
I/O
O TC74HC153 digital input selector
I Model distinction
I Not used
I Sub u-com reset
I Not used
Power supply (+5V)
4.19MHz ceramics
GND
O Not used
I Not used (GND)
Not used
Not used
I Not used
I DSP IC2 (TC83015JE):(X08:IC42) acknowledge
O DSP IC1 (TC83015JE):(X08:IC41) reset
O DSP IC1 (TC83015JE):(X08 ICI41) ready
RESET_
NT_
WSA/FSA
SCKA
ZR38500
SDA
GPIO0
GPI4
GPI5/MUTE_
D(19-0)
D7
x ao
y
i
8
Description
Q Q
3 6 7 1 3
33MHz
XTI XTO
GPIO1
SCKIN
WSB
(X08)IC47
SCKS
SDB
SDC
SDO
A(15-0) ROM RD_ WR_
u163
.
2 9 9 4 2 8
H:KC-Z1 L:KR-V990D
1 5 0 5 8 2 9 9 4
Clock oscillator
11,209/12,888MHz
L
DAC
R
LS
DAC
RS
C
DAC
SW
m
co
9 9
2 8 9 9