Htz-C7 - Pioneer HTZ-7 Service Manual

5
QQ
3 7 63 1515 0
IC506
TC74VHCT245AFT
AGCOFF
VKF1001
TP200
TE
L 13942296513
(T)
(F)
(S)
(F)
(T)
LD-ON
www
.
5
http://www.xiaoyu163.com
6
IC501
PD4889A
(T)
(T)
(F)
(S)
(F)
(T)
x ao u163
y
LEVEL SHIFT
i
6
http://www.xiaoyu163.com
HTZ-7, HTZ-C7, HTZ-SW7, HTZ-ST7
2 9
8
HD74HC573FP
IC504
TC74VHC20FT
IC505(1/2)
TC74VHC139FT
IC505(2/2)
E
3/3
TC74VHC139FT
Q Q
3 6 7 1 3 1 5
IC201
LC78650NE
C271 4700p
R277
100k
2/2
co
.
7
9 4 2 8
: RF SIGNAL ROUTE
(ROM)
: ROM DATA SIGNAL ROUTE
(F)
: FOCUS SERVO LOOP LINE
(T)
: TRACKING SERVO LOOP LINE
(S)
: SLIDER SERVO LOOP LINE
SRM2B256SLMX70
XRESET,DOUT,SBSY,
PW,SFSY,SBCK,LRSY,
ROMCK,ROMXA,MON,
C2F,FG
0 5 8 2 9 9 4 2 8
R271 150k
R273 220k
E
2/3
m
1/2
E
2/3
7
8
9 9
A
B
E
2/3
E
2/3
9 9
C
D
E
1/3
25
8