Read Sony HCD-DH3 / HCD-DH5BT / HCD-DH7BT Service Manual online
HCD-DH3/DH5BT/DH7BT
7
7
HCD-DH3/DH5BT/DH7BT
2-4. SCHEMATIC DIAGRAM – KARAOKE Section –
R203
F201
EP201
IC201
C203
R201
C206
IC203
C207
C205
C204
IC206
C212
C213
C210
C211
CN210
R210
R244
R207
R206
R205
C218
C201
C208
IC204
Q206
Q207
Q205
R218
C217
R222
R223
R444
R445
R443
R242
C200
R213
R209
C401
R446
R415
R414
R215
D202
R214
R202
C219
CN203
CN204
CN205
D203
CN201
IC202
IC205
C252
C260
C262
C264
D210
D211
D214
IC209(1/2)
IC209(2/2)
IC210(1/2)
IC210(2/2)
R251
R267
R274
R275
R277
R280
R281
R282
R283
R284
R289
R290
R245
R236
R250
R253
R252
C254
R255
R254
R256
C256
R257
IC211(1/2)
C265
R288
R286
R287
C251
C261
C257
R259
R258
R261
C253
CN206
R260
C258
C259
R263
R262
R264
R265
R270
R268
R269
R276
R272
R273
D213
C263
R266
Q202
Q204
Q201
M201
R225
C202
JR202
C209
D201
CN202
R217
R216
IC211(2/2)
2.2
T3.15AL
250V
KIA7805
0.1
2.2
0.1
KIA7805
470
10V
10V
220
10V
10V
0.1
BA90BC0T
0.1
220
10V
10V
0.1
1000
10V
13P
10k
10k
2.2
2.2
2.2
0.1
4700
16V
0.1
TA78033LS
KTC3203Y-AT
2SA1235F
2SC3052
47k
22
50V
220k
2.2k
10k
10k
2.2k
1k
1
100k
10k
10
50V
10k
10k
10k
10k
MC2838
10k
2.2k
47
25V
3P
3P
5P
MC2838
3P
TA7804LS
BA90BC0T
2SA1235F
2SC3052
2SC3052
22k
470
10V
10V
1000
6.3V
10k
1k
100
16V
16V
470p
2.2
50V
0.1
MC2837
MC2837
1SS355W
NJM4558M
NJM4558M
NJM2903M-TE2
NJM2903M-TE2
4.7k
4.7k
0
0
4.7k
22k
1k
22k
470
2.2k
0
0
10
10
22
47k
4.7k
47
25V
0
1k
47k
2.2
50V
50V
4.7k
NJM2903M-TE2
0.1
2.2k
1k
220
47
25V
0.1
47
25V
0
47k
100k
0.1
7P
1k
0.1
47
25V
22k
10k
100k
2.2k
10k
4.7k
4.7k
0
0
MC2837
47
25V
47k
0
11EQS04-TB5
2P
NJM2903M-TE2
V+5V
VMUTE
V-GND
SW+5V
D-GND
M+9V
M-GND
SW+3.3V
GND
11V
VBUS-5V
VBUS-GND
FL GND
D GND
A GND
DET
+4V
XM5.4V
VMUTE
A+9V
+11V
D GND
A GND
A GND
+9V
FAN+
FAN-
FAN+
MUSIC L+R
SCORE
XVOICE
MIC SCORE
AGND
VCC
GND
+
-
+
-
VCC
VCC
+
-
GND
+
-
GND
-
+
-
+
VCC
(CHASSIS)
COMPARATOR
AC/DC CONVERTER
470p
COMPARATOR
OVER CURRENT
DETECT
Q205-207
FAN MOTOR DRIVE
+9V REGULATOR
G
I
O
DETECT
OVER CURRENT
DETECT
OVER CURRENT
(FAN)
+5V REGULATOR
I
O
G
O
I
G
O
I
G
+4V REGULATOR
+9V REGULATOR
NC
I
O
G
I
O G
+3.3V REGULATOR
+5V REGULATOR(DH3/DH5BT)
+5.4V REGULATOR(DH7BT)
(DH3/DH5BT)
(DH7BT)
(DH3/DH5BT)
(DH3/DH5BT:AEP,RU,AUS,CH,SP,TW,KR,TH)
(Refer to page
35 on original
service manual)
35 on original
service manual)
(Refer to page
31 on original
service manual)
31 on original
service manual)
(Refer to page
36 on original
service manual)
36 on original
service manual)
(Refer to page
55 on original
service manual)
55 on original
service manual)
R300
100
(Page 9)
(Page 9)
Ver. 1.2
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