Sony CMT-VB5 / HCD-VB5 Service Manual ▷ View online
HCD-VB5
13
13
– MAIN SECTION –
12
5
8
3
9
6
14
13
11
10
9
1
30
2
38
13
15
11
10
27
45
4
3
48
47
42
44
TUNER-L
CD-L
J101
L
R
R
L
IN
OUT
MD/VIDEO
(AUDIO)
R-CH
R-CH
3
1
IC202
AMP
Q204
MUTE
Q203
BUFFER
IC201
INPUT SELECT
VOLUME/TONE CONTROL
L2
TUNER
TUNER
L1
CD
CD
L3
VIDEO
VIDEO
L4
MD
MD
LSELO
LIN
DI
CL
CE
LOUT
Q201
MUTE
Q202
BUFFER
R-CH MUTE
IC301
POWER AMP (2CH)
+INA
OUTA
ST
ANDBY
A
MUTEA
+
+
Q324
RELAY
DRIVER
Q322,Q323
PROTECTION
DETECT
R-CH
RY301
R-CH
R
L
J301
SPEAKER
R-CH
J701
PHONES
J702
MIC
IC601 (2/3)
SYSTEM CONTROLLER
RECOUT_MUTE
VOL_DA
TA
VOL_CLK
VOL_LA
T
PRE_MUTE
AMP_ST
ANDBY
AMP_MUTE
XCIN
XCOUT
XIN
XOUT
SPEAKER_RELA
Y
H.PHONE_DETECT
X601
X602
+
+
Signal path
: FM
: CD
: MD IN
: MIC
R-ch is omitted due to same as L-ch.
CD
SECTION
(Page 11)
VIDEO
SECTION
(Page 12)
IC670(2/2)
MIC AMP
IC670(1/2)
MIC AMP
RV701
MIC VOL
A
E
16
HCD-VB5
14
14
– PANEL/POWER SECTION –
3
1
3
1
3
1
3
1
3
1
89
90
91
86
87
88
3
2
40
12
26
23
35
37
36
28
63
62
61
60
56
51
5
22
39
5
ı
39
40
ı
50
IC601 (3/3)
SYSTEM CONTROLLER
S812-814
FUNCTION
KEY
FUNCTION
KEY
S807-811
S802-806
FUNCTION
KEY
S801
VOLUME
IC801
REMOTE
CONTROL
RECEIVER
VCC
OUT
KEY0
KEY1
KEY2
ENC_A
ENC_B
SIRCS
FL_DATA
FL_CLK
FL_CS
FL_RST
PBC/CDTEXT_LED
PANEL_LED
CD_POWER
AC_CUT
RESET
TIMER_LED
STBY_LED
FL801
FLUORESCENT INDICATOR TUBE
IC802
FL DRIVER
DAT
CLK
CS
RST
VFL
S1
ı
S35
G1
ı
G11
G12
VF0
VF1
Q805
SWITCH
Q801
LED
DRIVER
Q804
LED
DRIVER
D801
D803-804
PBC
24
VCD_LED
Q802
LED
DRIVER
D802
VCD
(BACK LIGHT)
Q4
BUFFER
Q551
RESET
SWITCH
Q806
LED
DRIVER
Q807
LED
DRIVER
D805
D806
VF0
VF1
D14-15
IC3
-32V
REG
-VG
Q1
+10V
REG
TUNER
+10V
IC201
IC202
IC202
-B
+B
POWER
AMP
D2
IC1
+5V
REG
IC2
+7V
REG
+5V
+7V
CD A+5V
CD D+5V
Q2-3
+5V
REG
IC551
RESET
D551
D552
(IC601 VCC) +5V
(IC601 VDD) +5V
+5V(UNSW)
IC4
+5.6V
REG
D55-56
D6-9
F1
AC
IN
S1
T1
+5V
VOLTAGE
SELECTOR
220-240V 110-120V
16
HCD-VB5
15
15
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
•
•
X
: parts extracted from the component side.
•
f
: internal component.
•
b
: Pattern from the side which enables seeing.
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.
Note on Schematic Diagram:
• 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.
•
f
: internal component.
•
2
: nonflammable resistor.
•
5
: fusible resistor.
•
C
: panel designation.
•
U
: B+ Line.
•
V
: B– Line.
•
H
: adjustment for repair.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
no mark : FM
<
tion tolerances.
no mark : FM
<
> : CD
• 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)
L
: MD/VIDEO
g
: MIC
J
: CD PLAY (ANALOG OUT)
c
: CD PLAY (DIGITAL OUT)
•
Indication of transisitor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
5-2. CIRCUIT BOARDS LOCATION
5-3. Waveforms
1
IC601
qa
STOP MODE
3.0Vp-p
32.768kHz
3.4Vp-p
2
IC601
qd
STOP MODE
16MHz
– MAIN BOARD –
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
– BD SECTION –
1
IC101
t;
(RFAC)(CD Play mode)
1.3 Vp-p
2
IC101
ra
(TE)(CD Play mode)
0.5 Vp-p
3
IC101
el
(FE)(CD Play mode)
0.2 Vp-p
4
IC101
wg
(MDP)
2.6 Vp-p
15.1
µ
s
4
J301
3
(COUT)
9
IC505
(VCK-IN)
7
IC505
od
(VSYNC)
8
IC505 (HSYNC)
3
J301
4
(YOUT)
1
IC502
qd
(XOUT)
37 nsec
4.6 Vp-p
10 MHz
3.5 Vp-p
20 ms
3.2 Vp-p
64
µ
s
2.0 Vp-p
H
H
2.0 Vp-p
5.4 Vp-p
101
106
2
IC502
wh
(BGP)
5
J302 (VIDEO OUT)
6
IC505
ih
(DA-XCLK)
3.6 Vp-p
17 MHz
q;
IC505
(DA-LRCK)
108
qa
IC505
(DA-BCK)
111
qs
IC509
w;
(384FSO)
qd
IC509
wf
(XT2)
qf
IC509
4
(MCKO)
4.5 Vp-p
H
1.3 Vp-p
H
4.5 Vp-p
22.7
µ
s
4.5 Vp-p
472 ns
5.0 Vp-p
59 ns
2.0 Vp-p
37 ns
5.2 Vp-p
37 ns
–VIDEO SECTION –
BACK PANEL board
LED board
PANEL board
MIC/PC MIX board
LOADING board
BD board
MAIN board
VIDEO board
TUNER (FM/AM)
Ref. No.
Location
• Semiconductor Location
(MAIN BOARD)
Ref. No.
Location
D2
D-7
D3
B-8
D4
C-5
D5
C-3
D6
F-7
D7
F-6
D8
E-7
D9
F-7
D10
G-4
D14
D-6
D15
D-6
D16
D-6
D21
G-5
D321
D-10
D501
B-1
D551
F-5
D552
F-5
D553
F-6
D554
G-3
D555
E-6
D556
E-6
D601
D-4
IC1
G-3
IC2
G-6
IC3
E-6
IC4
F-5
IC201
C-3
IC202
C-2
IC301
D-9
IC501
B-1
IC551
G-4
IC601
E-4
Q1
B-8
Q2
G-5
Q3
G-4
Q4
G-4
Q201
C-7
Q202
D-4
Q203
D-4
Q204
D-5
Q251
C-7
Q254
D-5
Q322
D-10
Q323
D-10
Q324
D-10
Q551
G-3
HCD-VB5
16
16
5-4. PRINTED WIRING BOARD –BD SECTION–
• See page 15 for Circuit Boards Location.
Ref. No.
Location
IC101
C-6
IC102
B-5
IC103
C-5
IC104
D-2
Q101
D-3
• Semiconductor
Location
(KSM-213D)
BD BOARD (SIDE A)
BD BOARD
(SIDE B)
(12)
12
(12)
12
R152
C162
Q102
R210
C152
C
1
2
A
B
C
D
3
4
5
6
7
TO
VIDEO BOARD
(Page 24)
Ver 1.1 2003.11
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