Schematic Diagram - Main Section (2/3) - Sony HCD-DX2D Service Manual

HCD-DX2D
Q Q
7-7. SCHEMATIC DIAGRAM — MAIN SECTION (2/3) —
3 7 6 3 1 5 1 5 0
MAIN BOARD
C123,C223
*
TAPE
US,CND : NO MOUNT
AEP,UK : 330P
MECHANISM
C223
DECK
*
(REC/PB/ERAE)
8P
LCH
REC/PB
HEAD
RCH
*
ERASE
T E
L 1 3 9 4 2 2 9 6 5 1 3
0(-6.2)
S
0
S
0(-6.2)
0
S
2.1(-6.5)
0
0
2.1(-6.5)
w w w
HCD-DX2D
• See page 21 for Waveform. • See page 45 for IC Block Diagram.
(2/3)
0 0
0 0 0 0 0 0 0 0 0 0 0 0
IC302
SOUND PROCESSOR
IC B/D
0 0 0 0 0 0 0 0 0 0 0
4.6 -4.5 -4.5
0
SWITCH
16 16
0.6
1.9(-11.7)
0(6.1)
9
0(6.2)
1.9(-11.9)
0(0.4)
2.2(0)
2.2(0)
0(6.1) 0
2.2(-11)
2.1(-6.6)
0(0.4)
1.9(-11.9)
0
Q344~Q347
Q329~Q332,
BIAS OSC
Q326,Q327
REC/PB SWITCH
JR101
0
x a o
. i
http://www.xiaoyu163.com
1 MAIN
15K
15K
Q Q
3 7 6
0
0.6
0(9.6)
9.8
9.8(8.9)
0(6.8)
9.8(0)
SWITCH
0(2.1)
MPEG BOARD (3/3)
C
u 1 6 3
y
28 28
http://www.xiaoyu163.com
2 4
8 9 9
BOARD
(1/3)
(Page 27)
IC301
+5V REG
16.5
5.1
3 1 5 1 5 0 8 9
0
0.6
SWITCH
CN3
(Page 34)
m
c o
.
2
8 9 9
14
15
16
17
18
19
20
21
MAIN
22
2
BOARD
(3/3)
(Page 29)
2 4 9 8 2 9 9
23
24
No mark:FM
( ):REC