Schematic Diagram - Front Amp Section - Sony Aiwa CX-JD5 Service Manual

6-30. SCHEMATIC DIAGRAM – FRONT AMP Section – •
C934
470
10V
µPC3504AHF
CN206
15P
C938
UNREG+12V 470
10V
UNREG GND
D+4V(MC/RDS/TC)
AC3
AC3
GC+5V
JW933
D-GND
A+9V
C926
A-GND 100
16V
M+9V
(Page 57)
UNREG+20V
UNREG+20V
DVD+12V
DVD-GND
CD/DVD POWER
C924
1000
16V
R924
1k
+12V REGULATOR
IC921
PQ12RF21
CN201
15P
SURROUND RY
-B
FRONT L JW245
FRONT GND JW244
FRONT R JW243
CHASSIS GND
HP L
HP GND
HP R
NC
(Page 55) STK MUTE
SP PROTECT
FAN DETECT
FRONT RY
VACS2
R231 D231
4.7k 1SS133T-72
R230 D230
4.7k 1SS133T-72
C231
10
50V
See page 74 for IC Block Diagram.
POWER AMP
IC201
STK403-100
+4V REGULATOR
O I
G
C933
0.1
IC932
50V
+5V REGULATOR
O I
G
C937
0.1
IC934
50V
TA7805S
+9V REGULATOR
O I
G
C925
0.1
IC923
50V
TA7809S
C203
+9V REGULATOR
*
O I
G
C923
R219
0.1
IC922 1
50V
TA7809S
R203 R204
180
47k
C204
47
50V
C216 ∗C203, 253
0.01
100P (AEP,CIS)
220P (EXCEPT AEP,CIS)
C254
47
C922 C921 50V
1000 0.1
16V 50V
R253
180
C253 R254
∗
C201 10 50V R201 1k
C251 10 50V R251 1k
R233
4.7k Q233
2SC1740S
-RT
Q234
2SC1740S
-RT
OVER CURRENT
Q233,234
PROTECT
PROTECT
SWITCH
IC203
RT8H015C
Q232
2SC1740S
-RT
OVER LOAD
C232
DETECT 100
10V
R218 R217
10k 10k
Q216
2SC1841TP
-PAFAEA
Q217 Q216,217
2SC1740S-RT
THERMAL
DETECT
R214 R215
120 22k
TH201
R206
0.22
2W
R205
0.22
R211
2W
100 R207
1k
R208
15k
R220 R261
Q201
1 100
2SC1841TP
-PAFAEA
C208
C258 22 OVER LOAD
D201
22 63V R209
1SS133T DETECT
63V 100k
-72
D251
1SS133T
R259 D291
-72
100k 1SS133T-72
R258
15k
Q251
2SC1841TP
-PAFAEA
OVER LOAD
DETECT
47k
R256
R257
0.22
1k
2W
R255
0.22
2W
R239
47k
C233
2.2
50V
C234
100
10V
C235
0.1
61 61
R216
100k
R221
2.2k
Q221,222
Q221
R222 STANDBY
2SA988TP
22k
-PAFAEA SWITCH
R223
10k
R225
68k
Q222
2SC1841TP
-PAFAEA
R224
10k
C272
C221
2200
470 50V
63V
R226
5.6k
RY281
L281
1.7µH
-1
-2
R281
10
1/2W
Q281
R287 R280
2SA933AS
10k 1k
-RT
2W
RELAY D281 L282
1SS133T 1.7µH
DRIVE
C206 -72
0.068
R288 R282
47k 10
1/2W
C207
0.068
Q282
2SC1841TP
R285
-PAFAEA
47k
R210
R290 RELAY DRIVE
10
10k
1/2W CONTROL
R289
10k
R260
10
1/2W
C257
0.068
C256
0.068
R240
56k
CX-JD5
Ver 1.1
NO273
3P
+VL
GND
-VL
C273 C274
2200 2200
42V 42V
(Page 63)
R273 R274
100k 100k
NO274
(Page 71)
3P
+VH
AC-GND
AC-GND
R272
100k
-VH
NO271
4P (Page 71)
TM201
4P
+
L
-
FRONT
SPEAKER
+
R
R283 R284 -
10 10
1/2W 1/2W
C281 C283
0.1 0.1
C286
C282 C284
0.01
0.1 0.1
C285
0.01
NO272
4P
(Page 63)
NO251
6P
A+9V
FAN DETECT
PROTECT
DC DETECT
OVERLOAD DETECT
SURROUND RY
(Page 63)
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.