Sony HCD-V8900 / HCD-V8900AV / LBT-V8900AV Service Manual ▷ View online
HCD-V8900/V8900AV
– MAIN SECTION –
– 25 –
– 26 –
+
+
BB22
BB12
EQUALIZER / VOLUME
IC201
DBFB
SWITCH
Q201
MUTE
Q254
MUTE
Q602
REAR
REAR
CENTER
CENTER
FRONT
DBFB
POWER ON/OFF
R RELAY
MUTE
Q601
MUTE
SWITCH
Q120
45
44
43
42
38
40
39
41
X601
8MHz
67 - 100 • 1
51 - 66
FL601
FLUORESCENT INDICATOR TUBE
VF
12
13
XOUT
XIN
37
33
KEY 5
KEY 1
JOG A
JOG B
26
41
LED1
LED13
•
LED15
LED18
LED SELECT
SIRCS
39
DISPLAY CONTROL
IC601
DATA
CLOCK
28
27
14
RESET
LED
SWITCH
PANEL LED
REMOTE
CONTROL
RECEIVER
IC602
LED
CONTROL
Q601
ROTARY
ENCODER
KEY
MATRIX
6
OPEN
CD POWER
STK MUTE
D+5V
SEG1-35
GR1-16
24
40
VOL A
VOL B
ROTARY
ENCODER
VOLUME
S701
S681
S711
Q602,603
42
43
43
44
45
SPEANA 1
SPEANA 2
SPEANA 3
SPEANA 4
SPEANA 2
SPEANA 3
SPEANA 4
D/A
6
5
7
AMP
IC861
1
7
3
5
IC603
J101
AMP
VIDEO
(AUDIO)
OUT
L
REAR
CENTER
FRONT
J101
MICON
INTERFACE
EQ
PHONO
IN
L
J101
VIDEO
(AUDIO)
IN
L
3
99
62
69
71
32 33 34
4
3
65
64
LATCH
REC 2A
PB L
L IN
DATA
CLK
LATCH
K CON
L OUT
REC L
1
2
3
4
5
9
10
6
INPUT SELECT
IC102
V
TC
ST
CD
B
A
INH
29
30
28
MUTE
PHONO EQ AMP
IC101
Q121
3
1
3
4
5
6
9
96
26
27
28
97
94
95
87
88
D951
RESET
SWITCH
Q951
RESET
IC951
+5V
11
10
X701
5MHz
15
20
14
13
09
46
100
CD POWER
STK MUTE
44
45
66
70
69
68
72
COM DOUT
COM CLK
COM CLK
ST DIN
STEREO
TUNED
ST CE
ST MUTE
ST DOUT
RELAY
TC MUTE
A PLAY SW
B PLAY SW
B PLAY SW
427 LAT SW F CON
60
61
76
77
TBL L
TBL R
T SENS
UP SW
D+5V
Q201
D201
(DISC No.)
98
2
1
POWER
DBFB H/L
TA MUTE
55
56
IIC DATA
IIC CLK
RESET
AC CUT
X1
X2
XT1
XT2
X702
32.768KHz
MASTER CONTROL
IC701
7
R RELAY
XRST
89
90
91
92
93
82
83
83
84
85
86
PB A/B
R/P PASS
BIAS
REC MUTE
NR ON/OFF
A SHUT
B SHUT
B HALF
A HALF
EQ H//N
CAP H/N
A TRG
B TRG
B TRG
TRG LOW
CAP M ON/OFF
57
TRAY LED
RELAY REC/PB
ST L
COM DIN
COM DATA
STEREO
TUNED
ST CE
MUTE
IIC-DATA
DATA
IIC-CLK
CLK
L CH
XRST
TBL. L
TBL. R
T. SENS
UP SW
B
DECK
SECTION
D
VIDEO
SECTION
A SHUT
BIAS ON/OFF
B SHUT
RM ON/OFF
LM ON/OFF
REC/PB PASS
B HALF
A HALF
A PLAY
A PLAY
B PLAY
PB A / B
NORM/HIGH
NR ON/OFF
CAP M H/L
A TRG
B TRG
B TRG
TRIG H/L
CAP M ON/OFF
INPUT CHANGE
MUTE
CONTROL
Q123,124
54
LIN
C-OUT
S-OUT
S-OUT
L-OUT
DATA
CLK
EN
41
42
40
34
35
37
DOLBY PRO LOGIC
IC601
REAR
FRONT
3
4
4
2
8
10
2
3
4
DATA
CLK
EN
3
4
4
2
13
DELAY
IC602
S-IN
S-OUT
L-MIX
OUT
16
23
24
XTAL
X601
8MHz
8MHz
XTAL
CENTER
FRONT
FRONT
41
42
VOL LAT
PL LAT
3
4
1
2
(Page 24)
(Page 22)
L-IN
61
3
14
2
8
9
4
3
1
3
1
10
15
VOLUME
IC604
OUT
LATCH
DATA
CLK
IN
IN
OUT
MUTE
SWITCH
Q912
E
POWER
SECTION
3
5
4
10
9
11
INPUT SELECT
IC103
S.WOOFER
MODE
SWITCH
Q206
DBFB
SWITCH
Q202
67
62
29
46
38
3
10
•
15
•
16
•
18
20
•
22
•
23
•
25
•
47
L+R
DOOR SW
= AMS +
• R CH: Same as L ch
• SIGNAL PATH
: FM
: CD
: PB
: REC
: VIDEO (AUDIO)
• SIGNAL PATH
: FM
: CD
: PB
: REC
: VIDEO (AUDIO)
(Page 27)
FM/AM
TUNER
TUNER UNIT IS
SUPPLIED AS
THE ASSEMBLED
BLOCK
A
KEY CON
SECTION
(Page 18)
4
5
K-CON-LAT
K-CON-ON
K-CON-ON
5
6
C
CD
SECTION
(Page 20)
DATA
CLK
HCD-V8900/V8900AV
– 27 –
– 28 –
– POWER SECTION –
• R CH : Same as L ch
• SIGNAL PATH
: FM
• Abbreviation
SP : Singapore model.
• SIGNAL PATH
: FM
• Abbreviation
SP : Singapore model.
MY : Malaysia model.
IA : Indonesian model.
IA : Indonesian model.
Rch
Q323
Rch
1
2
4
7
PROTECTOR
IC301
PROTECT
SWITCH
Q301
RY402
OVER LOAD
DET
Q601,651
THERMAL
DET
Q670,671
THP670
1
10
6
13
18
RY401
–1
–2
POWER AMP
IC601
IC601
OVER LOAD
DET
Q201
Rch
POWER AMP
IC201
FRONT
REAR
CENTER
DBFB
STK MUTE
R RELAY
D5V
SWITCHED
A+5V (SW)
Q9004
D905
+5V
D7V
A+7.5V
A–7.5V
+5V REG
IC902
+7V REG
IC903
+12V REG
IC904
+12V
ST10V
PRO-LOG 10V
+10V REG
IC905
+7V, –7V REG
IC901
Q907
Q901
VFDP
SP,MY,IA
UNREG
–12V
POWER B+
POWER B–
SURR B+
SURR B–
AC
IN
AU/D5V SW
CD POWER
6
1
10
REAR
CENTER
FRONT
FRONT
SPEAKER
TM401
PHONES
J760
Rch
HP / SP
SWITCHING
Q401,405
FRONT
REAR
CENTER
SURROUND
SPEAKER
TM402
6
–1
RELAY
DRIVE
Q404
Q404
Rch
FAN MOTOR
DRIVER
Q961, 962
M
UNREG
–12V
–12V
M901
FAN
MOTOR
REAR
CENTER
Q9002
+5V SW
Q9001
D+5V
(UNSW)
3
1
+5V REG
IC9002
3
1
3
1
1
10
2
9
4
3
1
3
1
+B
RELAY
DRIVE
Q403
RELAY
CONTROL
Q402
MUTE
SWITCH
Q331
POWER ON/OFF
+5V SW
Q9003
+5V REG
Q906
+7.5
–7.5
EN
V
CC
V
EE
RECT
D901
D901
RECT
D110,111
VF REG
Q941
RECT
D104,105
VOLTAGE
SELECTOR
S901
RECT
D101
D101
RECT
D102
D102
RECT
D302,303
VF
V8900
V8900AV
VF
T501
POWER
TRANSFORMER
MAIN
SECTION
E
09
(Page 26)
T901
POWER
TRANSFORMER
+5V REG
IC9001
3
1
D+5V
(SW)
+3.3V REG
IC801
D+3.3V
2
1
HCD-V8900/V8900AV
– 29 –
WAVEFORMS
– BD SECTION –
1
IC602
@¢
XTAL
– MAIN SECTION (1/5) –
1
2
IC701
!£
XT2
IC701
0
X2
– MAIN SECTION (2/5) –
4.8Vp-p
8MHz
32.768kHz
5.2Vp-p
8MHz
5.5Vp-p
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is printed
in each block.)
For schematic diagrams.
Note:
• 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.
•
%
: indicates tolerance.
•
¢
: internal component.
•
2
: nonflammable resistor.
•
1
: fusible resistor.
•
C
: panel designation.
For printed wiring boards.
Note:
•
X
: parts extracted from the component side.
•
Y
: parts extracted from the conductor side.
•
p
: parts mounted on the conductor side.
•
®
: Through hole.
•
¢
: internal component.
•
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 dc with respect to ground
under no-signal (detuned) conditions.
• Voltages 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
: FM
E
: PB (DECK A)
a
: REC (DECK A)
d
: PB (DECK B)
m
: CHROMA
n
: Y
o
: VIDEO
J
: CD
I
: PHONO
• Abbreviation
SP
: Singapore model.
MY
: Malaysia model.
IA
: Indonesian model.
CH
: Chinise model.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Pattern face side: Parts on the pattern face side seen from the
(Side B)
pattern face are indicated.
Parts face side:
Parts on the parts face side seen from the
(Side A)
parts face are indicated.
Note: The components identified by mark
!
or dotted line
with mark
!
are critical for safety.
Replace only with part number specified.
• Indication of transistor
C
These are omitted
E
B
Q
C
These are omitted
E
B
1
2
3
4
IC101
@ª
FE (PLAY)
IC101
#§
RFAC (PLAY)
IC101
@¶
TE (PLAY)
IC101
(§
MDP (PLAY)
1.3Vp-p
2.5V
APPROX 500mVp-p
2.5V
APPROX 200mVp-p
2.6Vp-p
7.5
µ
sec
1
2
3
4
IC201
2
XTL0O
TP115 LRCK
TP117 BCLK
IC201
`⁄‚fl
XTL2O
5
IC201
(£
VSYNC
6
IC201
(™
HSYNC
7
IC271
8
OSCIN
5Vp-p
44.1kHz
2.11MHz
5Vp-p
45MHz
0.86Vp-p
5Vp-p
V
5Vp-p
H
4.6Vp-p
6.74MHz
8
9
!º
IC452
3
IC401
@¢
COMPO
IC401
@ª
YOUT
1.2Vp-p
H
H
0.6Vp-p
4.5Vp-p
13.5MHz
!¡
TP410 DCLK
27MHz
4.4Vp-p
3Vp-p
28.63636MHz
!™
TP409 27M
!£
TP453 COUT
!¢
TP452 YOUT
H
1.8Vp-p
!∞
TP451 VOUT
H
1.5
Vp-p
!§
IC701
%¡
EXTAL
5.4Vp-p
10MHz
TP101 384FS
!¶
!•
IC901
0
X2
TP104 LRCK
!ª
TP102 BCLK
@º
@¡
IC101
@¡
XOUT
5.6Vp-p
5MHz
44.1kHz
5Vp-p
5Vp-p
2.11MHz
33.8MHz
5Vp-p
1.5Vp-p
33.8MHz
– VIDEO SECTION –
1.2Vp-p
H
2Vp-p
H
– 30 –
1
IC601
!™
X-OUT
– PANEL SECTION –
4Vp-p
8MHz
HCD-V8900/V8900AV
– 31 –
– 32 –
7-3. PRINTED WIRING BOARD – CD SECTION –
• See page 17 for Circuit Boards Location.
Ref. No.
Location
• Semiconductor
Location (Side B)
IC101
B-2
IC103
A-2
Ref. No.
Location
• Semiconductor
Location (Side A)
IC101
B-2
Q101
A-2
(Page 36)
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