Sony MHC-V3 / MHC-V4D Service Manual ▷ View online
MHC-V3/V4D
MHC-V3/V4D
41
41
• Signal path
:
TUNER
>003B
MAIN SECTION
(Page 40)
POWER AMP
IC1001
4
5
INPUT_A
INPUT_B
SYSTEM CONTROLLER
IC101 (2/4)
11 INPUT_D
10 INPUT_C
SSI0_DO
32
SSI0_BCKO
29
AUDIO_CLK_OUT
14
SSI0_LRCKO
30
SSI1_DO
54
/AMP-SD
131
SD
M1
M2
15
STEREO D/A CONVERTER
IC611
2
1
DATA
BCK
B_-INPUT
B_-INPUT
A_-INPUT
16 SCK
3 LRCK
OUT_A
52, 53
OUT_B
44, 45
OUT_C
36, 37
OUT_D
28, 29
OVERLOAD
DETECT
Q1003, Q1004
OVERLOAD
DETECT
Q1016, Q1017
OVERLOAD
DETECT
Q1014, Q1015
DC DETECT SWITCH
Q1006
SP5
(WOOFER)
7
OP AMP
IC612
1
3
6
7
OP AMP
IC615
VOUTL
A_OUTPUT
B_OUTPUT
A_OUTPUT
B_OUTPUT
A_+INPUT
B_+INPUT
B_+INPUT
A_+INPUT
STEREO D/A CONVERTER
IC614
16
1
SCK
BCK
BCK
3 LRCK
LRCK
ARAGON-MCK
BCK
LRCK
ARAGON-MCK
BCK, ARAGON-MCK, LRCK
2 DATA
7
8
VOUTL
AVDD+12V
VOUTR
/DC-DET
132
SP2
(WOOFER (R-CH))
SP4
(TWEETER (R-CH))
SPB1
SPK BOX ASSY
SW+
R+
SW-
SP1
(WOOFER (L-CH))
SP3
(TWEETER (L-CH))
L+
/AMP-RESET
120
RESET
2
OP AMP
VOLTAGE
CONTROL
Q601
1
3
5
5
20 21
6
7
2
D1008
FAN RESET
SWITCH
Q1012
FAN MOTOR
DRIVER
Q1010
FAN
PROTECTION
(LOCK)
Q1011
13V
CN1004
M1 (FAN)
X103
12.288MHz
AUDIO-X2
AUDIO-X1
92
91
>004B
PANEL /
POWER SUPPLY
SECTION
(Page 42)
(Page 42)
RY001
RELAY DRIVER
Q1020
AMP RESET
SWITCH
Q1018, Q1019
6-3. BLOCK DIAGRAM - AMP Section -
Ver. 1.2
MHC-V3/V4D
MHC-V3/V4D
42
42
REMOTE CONTROL
RECEIVER
IC7001
136
1
NC
VO
V4D
SYSTEM CONTROLLER
IC101 (4/4)
117
PCONT-DAMP
165
C-CONT
164
MTK-POWER-CTRL
115
ST-CE
79
45
SPM-C-MON
12
VBUS-OE
56
PCONT-BTSTBY
76
RES
57
PCONT-PSAVE-PROTECT
76
RES
63
AC-CUT(MD-BOOT0)
117
PCONT-DAMP
POWER-KEY
84 AD-KEY0
85 AD-KEY1
113 LCD_BCKLED
83 MASTER-VOLUME
43 DEBUG-TXD
118 SPK_LED
134 LCD INHB
40 LCD_SDA
35 LCD-CLK
38 LCD_CSB
PROTECTION CONTROL
Q576
S5008
D5001,
D5002
D5002
PROTECTION CONTROL
Q575
PROTECTION CONTROL
Q574
PROTECTION CONTROL
Q572
VOLUME / DJ CONTROL
EN5001
LED DRIVER
Q5002
PROTECTION CONTROL
Q571
+5V REG. VBUS POWER
(ON/OFF SWITCH)
IC453
USB +5V
E+1.18V
D+3.3V
DVDD3.3V
+1.3V
+V1
+3.3V
+5V
AVDD+5V
6
1
OUT
IN
3
EN
+5.5V REG.
IC001
3
1
SW1
14 SW2
5 EN1
12 EN2
VIN1
16
VIN2
+3.3V REG.
IC002
3
1
SW1
14 SW2
VIN1
16
VIN2
+12V REG.
IC1003
1
8
VO
VOLTAGE DETECTOR
IC103
4 VOUT
2
VDD
VCC
5
EN
+12V
AVDD+12V
POWER CONTROL
PROTECTION
Q009
POWER CONTROL
PROTECTION
Q008
POWER CONTROL
PROTECTION
Q004
POWER CONTROL
PROTECTION
Q003
POWER CONTROL
PROTECTION
Q007
POWER CONTROL
PROTECTION
Q006
POWER CONTROL
PROTECTION
Q002
POWER CONTROL
PROTECTION
Q005
+9V REG.
IC004
+5V REG.
IC006
+1.2V REG.
IC303
FE_5.2V
+3.3V
+3.3V REG.
IC3003
+3.3V REG.
IC305
INVERTER
Q001
+12V REG.
IC007
1
8
VO
VCC
5
EN
>004B
AMP SECTION
(Page 41)
S5009 ~ S5015
S5001 ~ S5007, S5016
D5003
LED DRIVER
Q5003
D4001
LED DRIVER
Q110
LIQUID CRYSTAL
DISPLAY
ND5001
LIQUID CRYSTAL
DISPLAY DRIVER
DISPLAY DRIVER
IC5001
BUS BUFFER
IC5002
BUS BUFFER
IC5003
BUS BUFFER
IC5005
BUS BUFFER
IC5004
13
10
9
8
14 - 47
SEG0
I
SEG31
51 - 52, 1 - 2
COM0
I
COM3
4
32
SMPS
+13.5V
+V1
+13V
AC-DET
MAIN ON
(AC IN)
AC CUT SWITCH
Q107
BUS BUFFER
IC102 (2/2)
11 4Y
12
4A
6-4. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
Ver. 1.1
MHC-V3/V4D
MHC-V3/V4D
43
43
Note on Schematic Diagram:
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and
• All capacitors are in μF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and
tantalums.
• All resistors are in
and
1
/
4
W or less unless otherwise
specifi ed.
• 2 : nonfl ammable resistor.
• C : panel designation.
• 2 : nonfl ammable resistor.
• C : panel designation.
• Note for Printed Wiring Boards and Schematic Diagrams
• A : B+ Line.
• B : B– Line.
• H : Adjustment for repair.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• B : B– Line.
• H : Adjustment for repair.
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : TUNER
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal production
tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production
tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F :
F :
AUDIO
f :
TUNER
(FM/AM)
L :
USB
E :
VIDEO
a :
BLUETOOTH
J
: CD PLAY
N :
MIC
• Abbreviation
AR : Argentina
AR : Argentina
model
AUS : Australian
model
E2
: 120 V AC area in E model
E4
: African
model
E51
: Chilean and Peruvian models
EA
: Saudi
Arabia
model
MX : Mexican
model
MY : Malaysia
model
SAF : South
African
model
TH
: Thai
model
Note on Printed Wiring Board:
• X : parts extracted from the component side.
•
• X : parts extracted from the component side.
•
: parts extracted from the conductor side.
•
: Pattern from the side which enables seeing.
(The other layer’s patterns are not indicated.)
Caution:
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Pattern face side:
(Conductor Side)
Parts face side:
(Component Side)
Parts on the pattern face side seen
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
from the pattern face are indicated.
Parts on the parts face side seen from
the parts face are indicated.
Note: The components identifi ed by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specifi ed.
• Abbreviation
AR : Argentina
AR : Argentina
model
AUS : Australian
model
E2
: 120 V AC area in E model
E4
: African
model
E51
: Chilean and Peruvian models
EA
: Saudi
Arabia
model
MX : Mexican
model
MY : Malaysia
model
SAF : South
African
model
TH
: Thai
model
C
B
These are omitted.
E
Q
t Indication of transistor
D
G
These are omitted.
S
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
• Waveforms
– ARAGON Board –
1
IC001 2 (VBST1)
5 V/DIV, 500 ns/DIV
18.4 Vp-p
2
IC001 qg (VBST2)
5 V/DIV, 2
Ps/DIV
18.4 Vp-p
6.4
Ps
3
IC002 2 (VBST1)
5 V/DIV, 2
Ps/DIV
19.8 Vp-p
5.8
Ps
4
IC002 qg (VBST2)
5 V/DIV, 2
Ps/DIV
18.4 Vp-p
5.8
Ps
2.7 Vp-p
81 ns
5
IC101 qf (AUDIO_CLK_OUT)
500 mV/DIV, 25 ns/DIV
354 ns
3.3 Vp-p
6
IC101 wf (SSI3_BCKO)
500 mV/DIV, 100 ns/DIV
3.4 Vp-p
20.8
Ps
7
IC101 wh (SSI3_LRCKO)
500 mV/DIV, 5
Ps/DIV
3.6 Vp-p
20.8
Ps
9
IC101 e; (SSI0_LRCKO)
1 V/DIV, 5
Ps/DIV
3.4 Vp-p
22.7
Ps
qj
IC301 <zzm (ALRCK)
500 mV/DIV, 5
Ps/DIV
324 ns
3.6 Vp-p
8
IC101 wl (SSI0_BCKO)
1 V/DIV, 100 ns/DIV
352 ns
3.6 Vp-p
qh
IC301 <zzc (ABCK)
1 V/DIV, 100 ns/DIV
3.52 V
23
Ps
q;
IC101 eg (LCD-CLK)
1 V/DIV, 100
Ps/DIV
qa
IC101 yk (RTC-X2)
50 mV/DIV, 10
Ps/DIV
30.4
Ps
140 mV
qf
IC301 8 (XTALO)
500 mV/DIV, 20 ns/DIV
37.2 ns
1.2 Vp-p
1.03 Vp-p
75 ns
qs
IC101 ua (XTAL)
200 mV/DIV, 25 ns/DIV
1.06 Vp-p
81.5 ns
qd
IC101 os (AUDIO-X2)
200 mV/DIV, 25 ns/DIV
2.7 Vp-p
59 ns
qg
IC301 <zzx (ACLK)
500 mV/DIV, 25 ns/DIV
qk
IC301 <zxc (RFIP)
200 mV/DIV, 100 ns/DIV
(CD play mode)
1 Vp-p
Note 1: When the DAMP board is replaced, spread the
compound referring to “NOTE OF REPLACING
THE IC1001 ON THE DAMP BOARD AND THE
COMPLETE DAMP BOARD” on servicing notes
(page 5).
THE IC1001 ON THE DAMP BOARD AND THE
COMPLETE DAMP BOARD” on servicing notes
(page 5).
Note 1: When the DAMP board is replaced, spread the
compound referring to “NOTE OF REPLACING
THE IC1001 ON THE DAMP BOARD AND THE
COMPLETE DAMP BOARD” on servicing notes
(page 5).
THE IC1001 ON THE DAMP BOARD AND THE
COMPLETE DAMP BOARD” on servicing notes
(page 5).
Note 2: When the DAMP board is replaced, spread the
bond referring to “BOND FIXATION OF ELECTRIC
PARTS” on servicing notes (page 6).
PARTS” on servicing notes (page 6).
Note 2: When the DAMP board is replaced, spread the
bond referring to “BOND FIXATION OF ELECTRIC
PARTS” on servicing notes (page 6).
PARTS” on servicing notes (page 6).
Ver. 1.5
MHC-V3/V4D
MHC-V3/V4D
44
44
1
A
B
C
D
E
F
G
H
I
J
K
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
JL054
IC606
R018
R401
R402
R210
R404
R21
1
1
6
CN001
R213
R408
R215
R409
R023
R024
R218
R219
R026
R410
R029
R415
R030
R418
R031
D571
KA
K
A
D572
R033
R034
R035
1
6
CN401
R037
R039
C003
C004
R234
R040
R041
C005
C006
R236
R043
R238
R817
R047
R048
R241
C013
C014
R821
C017
R053
R054
C019
C401
C402
C403
R058
R829
R059
C405 C406
C408
C021
R830
R831
R832
C41
1
C412
C413
R838
C030
R261
C032
C034
C035
R844
C420
R845
C039
R846
R847
C423
C040
R272
R273
R274
R851
R853
C049
15
CN451
C626
R858
R859
R280
R281
C052
C053
R283
R860
R284
R285
C057
R288
R289 R290
D001
A/K
AK
A/K
A
K
A/K
AK
R291
R292
D002
2
1
14
15
CN852
R293
D003
A/K
A
K
D004
A/K
A
K
C065
C066
C067
Q107
E
D011
C071
C072
C073
C078
C079
SL301
D401
D402
RB301
RB302
RB303
C080
RB304
IC001
C081
RB305
IC002
RB306
RB307
R890
C278
C084
RB308
R891
C279
RB309
R892
C664
C666
C667
C669
C670
C672
C673
C674
C675
FL301
C676
C678
C679
C689
IC609
IC611
IC612
C696
C699
R103
R113
R1
14
R308
R1
15 R1
17
R1
19
FB320
1
2
9
10
CN102
R120
1
2
7
8
CN105
R122
1
16
CN107
R123
R125
R126
R127
R704
R128
R705
R129
Q571
E
E
D
G
S
1
3
CN301
Q572
1
2
23
24
CN302
1
2
4
5
CN303
R708
Q574
R709
Q575
R321
Q576
E
E
2
1
12
13
CN1
14
R130
R131
1
5
CN1
15
R132
R133
R137
R719
R331
C102
R332
C103
C104
R334
C105
R335
R142
C107
R337
R720
C109
R722
R723
JC453
C1
10
JC454
X101
X102
R342
X103
C1
13
R343
R151
R346
R347
R154 R155
R349
R156
R733
R157
R158
R735
R159
X301
R736
R737
R350
R351
R352
C700
R354
R355
C126
R356
C127
R164
R358
C705
R165
R166
C707
R167
R168
C709
R169
C322
R747
C323
C130
R360
C132
R170
R171
R365
R172
C907
R173
R367
R174
R369
R176
R178 R179
C334
C337
C914
R180
C338
C915
R181
C916
C917
R760
R761
C919
R185
R379
R762
R186
C726
R188
R189
R571
R766
R572
R767
C343
R768
R574
R380
R575
R576
R577
R578
R385
R386
R193
R195
R196
Q003
E
Q004
E
R198
C350
Q005
E
Q006
E
E
C352
Q007
D102
K
A
C164
C167
C360
L001
L002
C362
C363
C364
C365
L006
L007
C751
C754
SL401
SL402
SL403
SL404
Q601
E
SL405
SL406
SL407
SL408
1
176
44
45
88
89
133
132
IC101
IC103
IC106
C571
C573
C574
TH571
128
33
32
1
65
96
64
97
IC301
IC302
27
28
1
54
IC306
R002
R003
R006
R200
R201
R205
R013
R014
R208
R015
R209
R016
R017
1
2
17
16
CN1
16
JL190
JL346
JL329
JL303
JL269
JL631
JL050
JL622
JL232
JL026
JL215
JL211
JL006
JL197
JL183
JL165
JL343
JL314
JL276
JL265
JL255
JL057
JL626
JL621
JL225
JL024
JL186
JL173
JL161
JL157
JL344
JL142
JL137
JL260
JL048
JL618
JL037
JL208
JL195
JL181
JL164
JL341
JL139
JL320
JL107
JL275
JL264
JL453
JL045
JL040
JL023
JL194
JL180
JL353
JL156
JL347
JL141
JL136
JL313
JL304
JL060
JL056
JL245
JL240
JL047
JL234
JL224
JL406
JL187
JL167
JL151
JL146
JL332
JL319
JL315
JL310
JL634
JL630
JL032
JL025
JL401
JL202
JL196
JL182
JL171
JL354
JL342
JL145
JL335
JL331
JL324
JL128
JL318
JL110
JL633
JL247
JL623
JL212
JL404
JL206
JL003
JL191
JL176
JL163
JL352
JL144
JL334
JL133
JL106
JL102
JL273
JL452
JL636
JL049
JL044
JL001
JL198
JL184
JL172
JL166
JL160
JL154
JL149
JL339
JL308
JL108
JL104
JL277
JL053
JL629
JL239
JL230
JL210
JL207
JL201
JL158
JL349
JL152
JL337
JL140
JL138
JL322
JL316
JL311
JL1
15
JL306
JL272
JL249
JL619
JL228
JL021
JL402
JL209
JL192
JL178
JL357
JL340
JL330
JL317
JL312
JL307
JL252
JL625
JL022
JL204
JL243
JL189
JL162
JL333
JL302
JL109
JL101
JL271
JL055
JL231
JL033
JL214
JL405
JL005
JL188
JL174
JL168
JL336
JL132
JL111
JL105
JL268
JL451
JL251
JL624
JL046
JL042
JL029
JL193
JL179
JL170
JL159
JL153
JL148
JL338
JL327
JL323
JL113
JL103
JL274
JL263
JL254
JL632
JL628
JL620
JL229
JL030
JL216
JL403
JL175
JL169
JL356
JL351
JL155
JL345
JL147
JL326
JL309
JL455
JL635
JL627
JL043
JL227
JL222
JL203
JL199
JL185
JL350
JL348
JL150
JL328
JL325
JL321
JL114
JL305
JL301
JL278
JL270
JL454
JL256
JL241
JL041
JL213
JL004
C050
JL058
R027
R064
R150
R897
R898
R073
R072
R900
R901
R899
FB613
C018
C043
C044
C046
C086
R025
C045
C354
C640
C642
C644
C645
C646
C648
C649
C653
C655
1
2
19
18
CN853
R363
R364
R366
R661
R674
R688
R691
R687
R690
R840
R841
R855
R856
R857
R792
1
6
CN304
1
6
CN305
18
CN106
18
CN106
Q001
1-893-256-
12
(12)
SPEAKER
LED BOARD
CN4001
(Page 60)
>002P
PANEL BOARD
CN5003
(Page 52)
>003P
TUNER
BOARD
CN3008
(Page 56)
>005P
TUNER
BOARD
CN3007
(Page 56)
>004P
DAMP BOARD
CN1001
(Page 54)
>006P
USB BOARD
CN6001
(Page 58)
>007P
IR BOARD
CN7001
(Page 60)
>001P
1
2
4
5
CN303
B1
E1
C2
C1
B2
E2
B2
E2
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
ARAGON BOARD
(COMPONENT SIDE)
FLASH
PROGRAMMING
FLASH
PROGRAMMING
FLASH
PROGRAMMING
FLASH
PROGRAMMING
FLASH
PROGRAMMING
SERVICE,
OPTICAL DEVICE(7G)
CONNECT TO
MS-476 BOARD
NFC
BLUETOOTH
SERVICE,
OPTICAL DEVICE
(7G)
CONNECT TO
SMPS BOARD
1
2
19
18
CN853
2
1
14
15
CN852
Ú
V3
¾
V4D
¾
¾
¾
¾
¾
¾
Ú
¾
¾
6-5. PRINTED WIRING BOARD - ARAGON Board (Component Side) -
• See page 38 for Circuit Boards Location. •
: Uses unleaded solder.
Ver. 1.4
Note 1: IC001, IC002, IC106, IC301 (V4D) and IC302 (V4D)
on the ARAGON board cannot exchange with single.
When these parts on the ARAGON board are damaged,
exchange the entire mounted board.
When these parts on the ARAGON board are damaged,
exchange the entire mounted board.
Note 2: When the MS-476 board is defective, exchange the
entire LOADING COMPLETE ASSY (T).
Note 3: When the ARAGON board (V4D) is replaced, refer to
“NOTICE OF BOARD VERSION CHECK (MHC-V4D)”
(page 5).
(page 5).
Click on the first or last page to see other MHC-V3 / MHC-V4D service manuals if exist.