4-5
HDW-250
OVERALL (1/2)
Block Diagram
B-¥HDW250-BLOCK
OVERALL (1/2)
Block Diagram
HENC 0
IC100
HENC 1
IC200
ECC
IC300
DE
IC401
IC501
DE
HDEC 1
IC500
HDEC 0
IC400
CNC
IC600
IC1300
IC1301
IC1303
IC1304
RATE
CONV
IC1108
IC1109
RATE
CONV
AP5
AUDIO
DATA
PROCESS
IC1205
VPR-53
DPR-125
REC
AMP
REC
AMP
REC
AMP
REC
AMP
PB
AMP
PB
AMP
PB
AMP
DRUM ASSY
MPX
DEC
D/A
CONV
EQ / PLL
VITERBI
EQ / PLL
VITERBI
EQ / PLL
VITERBI
EQ / PLL
VITERBI
REC
AMP
PB
AMP
CUE HEAD
EQ-76
REC HEAD A
REC HEAD E
REC HEAD B
REC HEAD F
REC HEAD C
REC HEAD G
REC HEAD D
REC HEAD H
PB HEAD A
PB HEAD E
PB HEAD B
PB HEAD F
PB HEAD C
PB HEAD G
PB HEAD D
PB HEAD H
PB
AMP
Note
SYSTEM EE2 mode
(for check)
Note
SYSTEM EE1 mode
(for check)
Note : Refer to page 3-15 for the list of diagnostic menus for PROC.