28
28
HCD-DX2D
HCD-DX2D
7-7. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) —
0
0
0.6
16.5
5.1
0(-6.2)
0(-6.2)
1.9(-11.7)
0
2.2(0)
2.2(0)
1.9(-11.9)
2.2(-11)
2.1(-6.6)
1.9(-11.9)
2.1(-6.5)
0
0
0
0(6.1)
0(6.1)
0(0.4)
0(0.4)
0
0
0(9.6)
0(2.1)
9.8(8.9)
9.8(0)
0(6.8)
0(6.2)
9.8
0.6
0
0.6
0
4.6
-4.5
-4.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
No mark:FM
( ):REC
2
1
3
4
6
5
7
8
9
10
11
12
13
24
23
21
18
17
16
20
19
15
14
22
MAIN BOARD
(2/3)
LCH
(REC/PB/ERAE)
RCH
ERASE
TAPE
MECHANISM
DECK
REC/PB
HEAD
*
C123,C223
US,CND : NO MOUNT
AEP,UK : 330P
IC302
SOUND PROCESSOR
S
S
REC/PB SWITCH
Q329~Q332,
Q326,Q327
SWITCH
SWITCH
SWITCH
Q344~Q347
BIAS OSC
SWITCH
IC301
+5V REG
S
8P
*
*
C223
0.018
0.018
15K
15K
10
JR101
0
16
16
0.01
•
See page 21 for Waveform.
•
See page 45 for IC Block Diagram.
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
