Sony HCD-V919AV / MHC-V919AV Service Manual ▷ View online
HCD-V919AV
7-4.
BLOCK DIAGRAM – MAIN Section (1/2) –
– 29 –
– 30 –
MIC LEVEL
DBFB CONTROL
SWITCH
Q111
SPEANA
MIXING AMP
IC401
RESET SIGNAL
GENERATOR
IC951
CD-L
E
(Page 26)
L-CH
J
(Page 31)
FEED BACK
(Page 31)
(Page 33)
(Page 31)
(Page 31)
(Page 28)
H
(Page 28)
PB-L
G
R-CH
R-CH
LT-IN
RT-IN
L-OUT
R-OUT
DELAY OUT
S-OUT
L-IN
R-IN
L-OUT
R-OUT
05
FM/AM TUNER UNIT
VOLUME
CONTROL
CPU
INTERFACE
BASS BOOST
CONTROL
CIRCUIT
INPUT SELECT
SOUND
CONTROL
CIRCUIT
GRAPHIC
EQUALIZER
CONTROL
CIRCUIT
67
R-CH
FEED BACK SWITCH
Q112
R-CH
R-CH
COMMAND
F OUT2
BUF
OUT2
VOL
IN2
IN2
+
R-CH
R-CH
+
+
+
68
2
58
RV750
ECHO LEVEL
RV751
MIC AMP
IC750 (2/2)
BUFFER
IC411
DIGITAL ECHO
IC751
MUTING
Q113
LINE AMP
IC191
LINE AMP
IC291 (1/2)
LINE AMP
IC291 (2/2)
RESET
SWITCH
Q951
GRAPHIC EQUALIZER CONTROL,
ELECTRICAL VOLUME
IC111
IN B2
IN C2
IN C2
66
64
5
60
61
62
12
11
17
10
S-OUT 39
S-VOL
OUT
36
C-VOL
OUT
27
51
53
50
54
52
49
50 49 42 41
S-OP
OUT
33
C-OP
OUT
31
C-OUT
DOLBY SURROUND
PRO LOGIC PROCESSOR
IC201
9
14
15
S-IN
16
S-VOL
IN
IN
S-OP
IN
IN
38
C-VOL
IN
IN
ENABLE
ENABLE2
CLK
CLK
DATA
PL-LAT
PL-VOL
PL-CLK
PL-DATA
DATA
18
35
C-OP
IN
IN
28
24
21
69
IN A2
IN F2
IN F2
IN D2
KEY IN1
KEY IN2
75 59 6
33 32 34
KEY OUT
DOUT2
DOUT1
DATA
CLOCK
LATCH
52 51 3
M62442-DATA
M62442-CLK
M62442-LATCH
10
X2
X501
5MHz
X502
32.768kHz
11
X1
13
XT2
14
XT1
BB B2,
BB A2
MIC IN
VOL OUT2
REC
A2
REC-L
O
M
N
(Page 33)
L
(Page 25)
(Page 34)
(Page 34)
(Page 32)
SPEANA
DATA, CLK
POWER
CD-POWER
REC
B2
• SIGNAL PATH
: CD PLAY
: TAPE PLAY
: RECORD
: TUNER (FM/AM)
: MIC INPUT
+5V
MUTING
Q292
MUTING
Q291
MUTING
Q191
R-CH
R-CH
57
42
MUTING CONTROL
SWITCH
Q141, 143
41
100
2
16
15
6
36
40
J101 (2/2)
MD OUT
J191
SUPER WOOFER
R
L
J101 (1/2)
R
J751
MIC 1
MD IN
VIDEO
(AUDIO) IN
L
R-CH
R
L
ST-L
FM ANT
FM ANT
AM ANT
AM ANT
ST-R
ST-MUTE
STEREO
TUNED
ST-DIN
ST-DOUT
ST-CLK
ST-CE
ANTENNA
FM 75
Ω
AM
38, 39
DBFB-H/L
CD-POWER
POWER
IIC-CLK
IIC-DATA
CLK
DATA
68
ST-CE
65
ST-CLK
66
ST-DIN
67
ST-DOUT
69
TUNED
70
STEREO
72
ST-MUTE
STK-MUTE
LINE-MUTE
F-RELAY
8
PL-RELAY
AC-CUT
RESET
57
XRST
1
46
OSC
X201
8MHz
47
OSC
RESET
REAR
CENTER
D
(Page 25)
RESET
SYSTEM CONTROLLER
IC501 (3/3)
56
55
F
(Page 33)
DATA, CLK
P
Q
(Page 33)
DJ SIG
I
R
F-RELAY
(Page 32)
PL-RELAY
T
(Page 32)
STK-MUTE
S
U
46
5
J750
MIC 2
MIC AMP
IC750 (1/2)
K
+
+
HCD-V919AV
– 31 –
– 32 –
7-5.
BLOCK DIAGRAM – MAIN Section (2/2) –
-2
05
(Page 30)
L-CH
FEED BACK
POWER AMP
IC201 (2/2)
OVER LOAD
DETECT
Q601, 651
OVER LOAD
DETECT SWITCH
Q604
OVER LOAD
DETECT SWITCH
Q301, 303
RELAY DRIVE
Q401, 402
RELAY DRIVE
Q404 – 406
MUTE SWITCH
Q304, 305
PROTECTOR
Q302
FAN MOTOR
DRIVE
Q961, 962
R-CH
REAR
CENTER
20
15
8
-2
+
–
–
+
STANDBY
SWITCH
Q142
J755
PHONES
TM402
SURROUND SPEAKER
REAR
IMPEDANCE USE 16
Ω
TM401
FRONT SPEAKER
IMPEDANCE USE 6 – 16
Ω
R
L
D604
D311
D331
D332
RY401
RY403
M901
(FAN)
(FAN)
-1
-1
POWER AMP
IC201 (1/2)
OVER LOAD
DETECT
Q201, 251
D321
D407
D408
D405
D406
18
13
3
12
POWER AMP
IC601 (1/2)
1
18
POWER AMP
IC601 (2/2)
J
(Page 30)
M
(Page 30)
K
(Page 30)
N
(Page 29)
(Page 29)
(Page 29)
STK-MUTE
S
PL-RELAY
U
F-RELAY
T
+
M
• SIGNAL PATH
: TUNER (FM/AM)
DC DETECT
SWITCH
Q306, 307
TEMPERATURE
DETECT SWITCH
Q321, 322
THP321
+
–
+
–
–
+
R
L
SURROUND SPEAKER
CENTER
IMPEDANCE USE 8 – 16
Ω
HCD-V919AV
– 33 –
– 34 –
7-6.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
D932
D956
D602, 603
POWER
(Page 29)
Q
CD-POWER
(Page 29)
R
D+5V
(PANEL SECTION B+)
LED +5.6V
AUDIO D+5V
B+
SWITCH
Q933, 934
B+
SWITCH
Q901, 902
–35V
REGULATOR
Q111
–35V
FL DRIVER (IC601)
RECT
D111, 112
B+
SWITCH
Q911, 913
+10V
REGULATOR
IC921
+12V
REGULATOR
IC911
–7V
REGULATOR
IC902
+7V
REGULATOR
IC901
+7V
REGULATOR
IC941
B–
SWITCH
Q903, 904
+7V
(CD M+7V)
+5.6V
REGULATOR
IC931
+5V
REGULATOR
IC932
+3.3V
REGULATOR
Q531
+5V
VIDEO CD SECTION B+
D+5V (SW)
VIDEO CD SECTION B+
D+5V (UNSW)
VIDEO CD SECTION B+
+3.3V
MPEG VIDEO/AUDIO
DECODER (IC505) B+
B+
SWITCH
Q931, 932
B+
SWITCH
Q935, 936
SYSTEM CONTROLLER
(IC501) B+
RECT
D103, 104
RECT
D102
D102
RECT
D101
D101
RELAY DRIVE
Q101
VOLTAGE
SELECT SWITCH
S501
VOLTAGE
SELECTOR
S501
AC IN
POWER AMP (IC201, 601) B+
POWER TRANSFORMER
T501
POWER AMP (IC201) B–
RY101
A+7V
A+7V
(TC, AUDIO SECTION B+)
Q905
Q937
A–7V
(TC, AUDIO SECTION B–)
FAN MOTOR B–
VF1
TO
FLUORESCENT INDICATOR TUBE
(ND601)
VF2
REMOTE CONTROL
RECEIVER
IC602
GRID DRIVE
Q701
FLUORESCENT INDICATOR TUBE DRIVE,
LED DRIVE, KEY CONTROL
IC601
CSV CONTROL,
LED DRIVE, KEY CONTROL
IC801
CSV
IC851
BAND-PASS FILTER
IC603
Q603
LED +5.6V
SPEANA-1
36
SPEANA-3
37
SPEANA-4
GRID DRIVE
Q702
32
L+R
LINE IN
33
SIRCS
29
SIRCS
27
JOG A
28
JOG B
63
BOMBER-LED
64
ON/OFF-LED
ROTARY
ENCODER
S601
TIME CONSTANT
SWITCH
Q958
LED DRIVE
Q855
DJ MUTE
Q411
DJ MUTE
CONTROL SWITCH
Q851
ROTARY
ENCODER
S602
21
JOG-A
19
VOL-A
22
JOG-B
20
8
9
VOL-B
X-OUT
X-IN
B+ SWITCH
Q601, 602
LED DRIVE
Q604, 607 – 611,
Q613 – 615, 618,
Q613 – 615, 618,
Q856, 857
KEY-0 – KEY-3
SPEANA-2
F01
F03
F04
L+R
F02
GR1
(Page 30)
(Page 30)
L
DATA,
CLK
CLK
(Page 29)
D610, 612, 620 – 628,
D631 – 633, 640 – 644,
D651, 652, 655, 656
D613 – 618,
D629, 630
+5V
SPEANA
(Page 29)
I
DJ SIG
41
L.SEL
25
GR13
53
SDA
SCL
DATA
CLK
RESET
RESET
RESET
35
23
24
12C DATA
12C CLK
18
BPF/LOW
DATA
33
BPM-LED-A
62
BPM-LED-B
61
14
MUTE
5
CLK
15
LAT
16
13 12
BSY
11
SD
15
SI
14
AOUT
23
8
16 17 20
BPF/HIGH
36
L+R
37
19
10
4
34
15
14
4
13
16
17
26 – 29
SEG1 – SEG24
54 – 69, 72 – 70, 77 – 73
GR2 – GR12
42 – 52
LED1– LED8, LED12 – LED15
79, 80, 1 – 6, 15 – 18
LED9 – LED11
11, 12, 14
S601
(JOG DIAL)
S604 – 619, 621 – 642,
S652 – 654, 656 – 659
KEY0, KEY1
38, 39
S801 – 808
Q960
Q959
D807
D805
D806
D804
Q959, 960
SPEANA MUTE
SWITCH
S602
05
=
↔
+
DJ MIX
VOLUME
D801
BEAT ON/OFF
D802
BEAT JAM
X601
8MHz
2
3
X-OUT
X-IN
X501
8MHz
2
3
XT
XT
X851
4.09MHz
O
P
(Malaysia, Singapore, Indonesia models)
(Except Chinese model)
(Chinese model)
Q912
ST+10V
FM/AM TUNER UNIT,
DOLBY SURROUND
PRO LOGIC (IC201) B+
FLUORESCENT INDICATOR TUBE
ND601
(GREEN)
(ORANGE)
LED DRIVE
Q854
D803
AUTO BPM
RST
CH
RST
ST
CH
BUSY
Except Malaysia, Singapore,
Indonesia models
Indonesia models
+12V
CAPSTAN MOTOR DRIVE CIRCUIT,
TRIGGER PLUNGER DRIVE CIRCUIT B+
– 35 –
– 36 –
• Circuit Boards Location
POWER AMP board
CONT-PANEL board
AUDIO board
LEAF SW board
TRANSFORMER board
MAIN board
SURROUND board
VIDEO board
CD-SW board
MIC board
PANEL board
HEADPHONE board
TUNER(FM/AM)
DECORATION board
SENSOR board
CONNECTOR board
BD board
MOTOR (SLIDE) board
MOTOR (TURN) board
7-7.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Schematic Diagrams:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
Note on Printed Wiring Boards:
• X
: parts extracted from the component side.
•
p
: parts mounted on the conductor side.
•
®
: Through hole.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages and waveforms are taken with a VOM (Input
impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: TUNER (FM/AM)
E
: PLAYBACK (DECK A)
d
: PLAYBACK (DECK B)
G
: RECORD
J
: CD PLAY (AUDIO)
L
: CD PLAY (VIDEO)
c
: DIGITAL OUT
N
: MIC INPUT
• Abbreviation
CH
: Chinese model.
IA
: Indonesia model.
MY
: Malaysia model.
SP
: Singapore model.
TH
: Thai model.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Side B)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Side A)
the parts face are indicated.
The components identified by mark
!
or dotted
line with mark
!
are critical for safety.
Replace only with part number specified.
•
Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
Click on the first or last page to see other HCD-V919AV / MHC-V919AV service manuals if exist.