Technics SH-DV250

C221
100P
C222
100P
R221
220
R222
220
E
C233
100P
Q
A
R239
47K
B
C
D
E
D
C
A
B
F
20
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
2
1
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
I
H
G
K
J
R234
1K
C226 100P
R233 1K
C225 100P C232 100P
R228
6.8K
R230 8.2K
R227 6.8K
C231 100P
R229 8.2K
C227 100P
R235 1K
R237 8.2K
B
C228 100P
R236
1K
R238 8.2K
H
M
J
E201
SYNC
CD REQ
CT.GND
CS
+B(10V)
D.GND
SCLK
DATA
DECK REQ
V.GND
TAPE Rch IN
TAPE Lch IN
RS A.GND
TAPE Rch OUT
TAPE Lch OUT
CD Rch IN
A.GND
CD Lch IN
SUR R
SUR L
CN202
CN201
TUNER Lch/ C
TUNER Rch
A.GND
Lch OUT
Rch OUT
+B(10V)
SUR L
S.W
MIC
- B( - 10V)
V.GND
D.GND
CS/ REQ
CLK
DATA
CT GND
SH FL1
SH FL2
SYNC
SUR R
To DVD CHANGER(SL-DV250) &
CASSETTE DECK(RS-DV250)
SCHEMATIC DIAGRAM-9
R763
0.33
GF
C223
16V10
C224
16V10
R223
22K
R224
22K
To TUNER/ AMPLIFIER(SA-DV250)
MAIN CIRCUIT
B
R240 1K
CD REQ
CS
S CLK
SDATA
DECK REQ
SYNC
FL2
FL1
SA DATA
SA CLK
CS/ REQ
D.GND
+B(5.6V)
To FL CIRCUIT(FW601B)
on SCHEMATIC DIAGRAM-2
A
FW601A
A
B
C
D
E
F
G
H
I
J
K
13
2
1
3
4
5
6
7
8
9
10
11
12
Q768
2SC3940AQSTA
REGULATOR
C754
0.01
C769
0.01
R770
4.7
R771
1K
D770
MA4062HTA
C770
16V10
R225 1K
R226 1K
C229 100P C230 100P
HIK L
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE :CD PLAYBACK SIGNAL LINE
- 10.4V
9.9V 5.6V
6.3V
10.2V