Sony CMT-DH3 / CMT-DH5BT / CMT-DH7BT / HCD-DH3 / HCD-DH5BT / HCD-DH7BT Service Manual ▷ View online
HCD-DH3/DH5BT/DH7BT
49
49
HCD-DH3/DH5BT/DH7BT
6-27. SCHEMATIC DIAGRAM – INPUT/OUTPUT Section –
•
See page 57 for IC Block Diagrams.
FB744
C343
R231
R371
R372
Q315
R393
R394
R234
R232
R233
C344
C330
R374
C234
C329
R373
Q316
R379
IC303
C348
R246
C274
Q310
Q309
R387
R388
R385
R386
R383
R384
CN870
C851
C852
C854
C853
C748
C749
R743
C743
C744
R744
C751
R742
R746
C745
C746
R741
FB742
C747
JR701
CN850
C347
R377
R380
Q211
R226
C233
C232
C231
CN309
Q307
Q308
R378
C702
C705
C707
C709
C710
C716
C720
C723
C725
C728
C731
C752
IC702
R702
R705
R707
R708
R709
R712
R715
R716
R718
R719
R720
R727
R728
R730
R732
R733
R734
R735
R740
D701
R722
R723
R726
R724
C724
C732
C726
C727
R725
R710
R711
C708
VR702
C729
R721
C714
R713
C734
C718
C719
C717
C715
IC701(1/2)
C706
C703
R731
R717
C704
VR701
R704
Q703
C730
R701
R738
R737
R739
C735
R729
R703
C701
W701
J701
J703
J702
R714
Q701
R706
CN702
FB743
FB741
R745
C713
IC701(2/2)
C722
C711
0
1
50V
4.7k
4.7k
4.7k
2SC3052F
10k
10k
22k
2.2k
2.2k
1
50V
220p
100k
0.1
220p
100k
2SC3052F
4.7k
NJM4580MD
220
10V
10V
47k
0.1
RT1N141C
RT1P141C
10k
10k
4.7k
4.7k
47
47
2P
470p
470p
470p
470p
0.1
0.1
100k
470p
470p
100k
0.022
1k
0
0.022
0.022
1k
0
0.022
0
3P
220
10V
10V
10k
4.7k
2SC3052F
100
16V
16V
100
16V
16V
220
16V
16V
2SC5938
2SC5938
10k
0
0
0
MIC
MIC
MIC SCORE
MIC SCORE
MIC DET
MIC DET
HP DET
HP DET
AUDIO DET
AUDIO DET
A IN L
A IN L
A IN R
A IN R
HP IN R
HP IN L
HP R
HP L
HP L
HP R
HP MUTE
HP MUTE
HP IN R
HP IN L
4.7
0.22
50V
470p
1
50V
47p
47
25V
0.0047
0.1
47
25V
0.0047
0.047
0.022
0.001
M65850FP-E
10k
1k
100
10k
100k
10k
22
22
22k
22k
22k
22k
10k
470k
1k
100
100
22
100k
UDZSNPTE
-175.1B
100
100k
22k
22k
0.047
0.022
0.001
1
50V
22k
100
10k
47p
50K
2.2
50V
47k
1
50V
100k
10
50V
0.47
0.47
0.047
0.001
NJM4558M
0.47
50V
47p
220k
2.2k
0.001
50K
100k
2SC3052F
0.1
10k
47k
47k
1k
1
4.7k
4.7k
0.01
∗
2SC3052F
47k
1
50V
NJM4558M
47
25V
220
10V
10V
MIC
MIC DET
MIC SCORE
A IN L
HP DET
HP GND
HP L
HP R
A GND
A IN R
HP GND
AUDIO DET
MIC
MIC DET
MIC SCORE
A IN L
HP DET
A GND
A IN R
HP GND
AUDIO DET
HP MUTE
+11V
+11V
MIC
MIC DET
MIC SCORE
A IN L
HP DET
HP GND
HP L
HP R
A GND
A IN R
HP GND
AUDIO DET
+11V
HP IN L
HP IN R
OP2OUT
VCC
CLOCK
REF
OP2IN
LPF2IN
LPF2OUT
GND
CC2
CC1
OP1IN
OP1OUT
LPF1OUT
LPF1IN
NC
NC
MUTING
MUTING
Q309,310
MUTING
CONTROL
SWITCH
GND
VCC
HEADPHONE AMP
MUTING
MUTING
RIPPLE
FILTER
(DH3/DH5BT)
11P(DH7BT)
13P(DH3/DH5BT)
(DH3/DH5BT)
R
L
SPEAKER
J860
ECHO LEVEL
DIGITAL ECHO
3
8
1
7
4
5
6
MIC AMP
MIC LEVEL
MUTING
MIC
PHONES
AUDIO IN
(CHASSIS)
(DH3/DH5BT:AUS,SP)
(DH3/DH5BT)
2
∗
R714
100k(DH3/DH5BT:AUS,SP)
22k(DH5BT:CND,AEP)
13P(DH3/DH5BT)
9P(DH7BT)
CN701
13P(DH3/DH5BT)
9P(DH7BT)
BUFFER
(Page 41)
(Page 47)
(Page 47)
HCD-DH3/DH5BT/DH7BT
50
50
HCD-DH3/DH5BT/DH7BT
6-28. PRINTED WIRING BOARD – KARAOKE Section –
•
See page 27 for Circuit Boards Location.
:Uses unleaded solder.
CN201
CN210
CN203
JW222
JW242
CN202
JW241
JW209
JW227
FH201
F201
FH202
JW214
JW210
JW217
JW218
JW202
CN204
C251
C263
C262
C259
JW238
Q206
C219
C252
JW230
JW229
C257
C256
JW231
JW236
JW234
JW232
JW240
JW228
JW226
JW225
JW224
JW223
JW221
JW233
JW220
JW219
JW237
C201
C213
C211
C209
IC204
JW216
JW215
IC205
IC206
JW212
JW213
C205
C207
JW211
IC203
JW239
JW243
JW235
EP201
IC201
IC202
C202
C401
JW246
CN206
C217
C254
CN205
D201
R250
R266
D211
R265
C260
R264
R262
R263
R236
R260
C258
R261
R245
R222
R223
Q205
C218
R225
R205
Q207
R203
C264
R267
R268
R270
R269
R274
R281
R283
R282
R289
C265
R290
JW244
JW245
R254
R255
R251
R252
IC209
C261
D210
R257
R256
JR206
R258
R259
R286
R288
R287
R284
JR210
R280
JR211
IC211
D214
R272
R273
IC210
D213
R276
R277
R275
JR212
R201
C212
C210
C208
R214
C206
R414 R415
D203
R210
R244
R444
R443
R213
C200
R446
Q204
R209
Q201
R242
R217
R216
R445
D202
R215
C204
C203
Q202
R207
R202
R206
R218
C253
R253
JR202
P
MAIN
BOARD
CN312
B
DMB15
BOARD
BOARD
CN401
E
E
1
2
6
7
1
5
8
5
4
1
8
5
4
1
8
5
4
1
E
E
E
E
VIDEO BOARD
W502
V
POWER BOARD
CN32
N
MAIN BOARD
CN310
F
USB BOARD
CN908
E
1-873-263-
11
(11)
POWER HT BOARD
A
K
K/A
K
A
A/K
A
K
K/A
A
A
K
A
A
K
(DH3/DH5BT: AEP, AUS, SP)
(DH3/DH5BT: AEP, AUS, SP)
1
3
1
3
1
3
1
1
1
3
2
3
1
3
1
3
(DH3/DH5BT)
(DH7BT)
(CHASSIS)
M201
(FAN)
(FAN)
M
(DH3/DH5BT)
3
1
A
B
C
D
E
F
1
2
3
4
5
6
7
8
9
10
(Page 28)
(Page 39)
(Page 54)
(Page 34)
(Page 39)
(Page 38)
Ref. No. Location
Ref. No. Location
D201
F-8
D202
F-9
D203
E-9
D210
C-4
D211
B-4
D213
E-4
D214
D-4
•
Semiconductor Location
Ref. No. Location
IC201
F-8
IC202
E-8
IC203
D-8
IC204
F-7
IC205
E-7
IC206
D-7
IC209
B-4
IC210
E-3
IC211
D-3
Q201
F-9
Q202
E-9
Q204
F-9
Q205
D-2
Q206
E-2
Q207
E-2
HCD-DH3/DH5BT/DH7BT
51
51
HCD-DH3/DH5BT/DH7BT
6-29. 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
KTC3203
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
22k
4.7k
47
25V
0
2.2k
47k
2.2
50V
50V
4.7k
NJM2903M-TE2
0.1
2.2k
1k
220
47
25V
0.1
47
25V
0
47k
100k
0.01
7P
1k
1
47
25V
47k
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,AUS,SP)
(Page 41)
(Page 55)
(Page 36)
(Page 41)
(Page 35)
(Page 31)
HCD-DH3/DH5BT/DH7BT
52
52
HCD-DH3/DH5BT/DH7BT
6-30. PRINTED WIRING BOARDS – PANEL Section –
•
See page 27 for Circuit Boards Location.
:Uses unleaded solder.
D902
S916
JW910
JW907
JW906
JW
905
JW
915
JW
916
JW
917
JW
918
JW
919
JW
920
JW
921
JW
922
JW
923
JW
924
JW
925
JW
926
JW
927
JW
928
JW
929
JW
930
JW913
JW912
JW911
JW
933
JW
934
JW
935
JW
936
FL901
JW
938
JW
901
JW937
JW931
CN901
C905
L901
JW902
JW904
T901
JW
908
JW
903
C909
JW
932
C914
C915
IC901
S909
S910
S911
S913
S912
S914
S919
JW
942
S908
S915
JW939
JW940
JW941
D
903
R923
R924
R922
R921
JR901
IC902
R
943
R
941
R942
R940
Q905
Q904
C
913
R934
R944
C916
C918
C917
R
935
R
936
R
938
C920
C919
R937
JR
902
R
929
FB901
R
930
R919
R
920
Q903
C907
D905
C908
D904
R
932
R933
C912
R931
C910
D906
C911
D208
C904
R910
R911
R
912
R913
R914
R
915
R
909
R916
R926
R927
Q902
S918
S917
S901
S902
S903
S904
S905
CN902
S906
S907
R918
R917
R902
R903
R904
R905
R906
R907
1-873-261-
11. 13
(11. 13)
PANEL BOARD
A
A
K
K
K
A
K
K
A
E
E
1
16
17
32
33
48
49
64
4
1
E
E 1B
2B
1C
2C
L
MAIN BOARD
CN307
15
14
1
2
BLUETOOTH
USB MEMORY
(DH5BT/DH7BT)
(DH5BT/DH7BT)
(DH3)
D903
BLUETOOTH OPR
Z
1
9
8
7
5
6
3
4
44
30
5
1
88
74
49
45
2
DC/DC
CONVERTER
FLUORESCENT INDICATOR TUBE
1
1
3
DISPLAY
PROGRESSIVE
DSGX
+
–
PRESET +
>
PRESET –
.
S901 – 919
D902
STANDBY
1-873-262-
TOP-KEY BOARD
+
–
VOLUME
x
X
REPEAT/FM MODE
AUDIO IN
TUNER/BAND
TUNER/BAND
AUDIO IN
(DH7BT)
N
BLUETOOTH
N
BLUETOOTH
N
USB
(DH5BT)
(DH3/DH7BT)
(DH3/DH5BT)
DVD
B
1
3
4
2
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
11. 13
(11. 13)
(Page 39)
•
Semiconductor
Location
Location
Ref. No. Location
D208
D-4
D902
B-11
D903
B-2
D904
D-3
D905
D-3
D906
D-3
IC901
C-11
IC902
B-5
Q902
B-2
Q903
D-2
Q904
B-4
Q905
B-4
Ver. 1.1
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