Pioneer HTZ-7 VisionPlus Service Manual page 23

5
IC506
TC74VHCT245AFT
AGCOFF
VKF1001
TP200
(T)
(T)
(F)
(S)
(F)
(T)
LD-ON
5
6
IC501
PD4889A
E
3/3
(T)
(F)
IC201
LC78650NE
(S)
(F)
(T)
LEVEL SHIFT
6
7
HTZ-7, HTZ-C7, HTZ-SW7
: RF SIGNAL ROUTE
(ROM)
: ROM DATA SIGNAL ROUTE
(F)
: FOCUS SERVO LOOP LINE
(T)
: TRACKING SERVO LOOP LINE
(S)
: SLIDER SERVO LOOP LINE
HD74HC573FP
SRM2B256SLMX70
IC504
TC74VHC20FT
IC505(1/2)
TC74VHC139FT
IC505(2/2)
TC74VHC139FT
C271 4700p
R271 150k
R277
100k
R273 220k
2/2
1/2
7
8
E
2/3
E
2/3
XRESET,DOUT,SBSY,
PW,SFSY,SBCK,LRSY,
ROMCK,ROMXA,MON,
C2F,FG
E
2/3
E
2/3
E
1/3
23
8
A
B
C
D