JVC AX-R551BK Service Manual page 34

AX-R551 BK
• 7EL-SPI-001 (IC442)
+Ycc -Ycc
GND
Signal
OUT
Signal
IN
r---------------~--~--
2 - -
3 - - - ,
16kHz 6.3kHz
• LC7565 (lC443)
TEST2 Vdd
AI GI
A2
G2
A3
G3
Al,
Gl,
A5
G5
A6
G6
A7 G7
A8
G8
A9
G9
AID DIM
All
fl
AI2 f 2
Ai3
f 3
51 fl,
S2
f 5
01
f6
CLK f 7
Vss
DSC
TESTI
G.PH
T.PH
• LC7522 (IC504)
Vdd
N.C.
I' "
"'l
IN 2
IN 2
f7
f7
f6 f6
r
f5
:c
'"
f4
;;:
f 3
N
f3
J
N
f2
'"
f2
....
fl
~
fl
TEST 2
Vss
TEST 1
CLK
5 01
V"
14
15
Vcc
1-34
(No_ 20016)
2.5kHz 1kHz 400Hz 160Hz 63Hz
G.PH lPH
' [
17
T
05C
r - - - - - - - - - - - - ,
I
SI LATCH
520----1
TE5 T1
0----0-4
01 5R
CLKo--l;:.o..-I
Vdd?
VSS~
L ________ _
~TEST2
___ ...1
DIM
fl
fl
f 2 f2
f 3
f 3
fl, fl,
f5
f5
f 6
Latch
f6
f 7
f 7
DI Shift Register 1------0TEST2
CLK~--Lr-.~L-------------J
S I
TESTI
i
L------------6-.6..6..&.-------------J
'iddVss
VeeVcc