Sony HCD-VP700 Service Manual ▷ View online
22
HCD-VP700
VIDEO SECTION
Frequency Adjustment
Connection:
Procedure:
1. Connect the frequency counter to check point of the VIDEO
1. Connect the frequency counter to check point of the VIDEO
board.
2. Turned power switch on.
3. Press the CD button to select the CD.
4. Adjust CT503 on the VIDEO board so that the frequency counter
3. Press the CD button to select the CD.
4. Adjust CT503 on the VIDEO board so that the frequency counter
reading 27.0 MHz
± 80 Hz at stop status.
Adjustment Location:
[VIDEO BOARD] (SIDE A)
VIDEO board
(27 MHz)
frequency counter
J301
J302
CN501
CN503
CN502
IC507
(GND)
(27MHz)
CT503
VIDEO
Frequency
Adjustment
VIDEO
Frequency
Adjustment
23
HCD-VP700
SECTION 6
DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in
• 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.
• C : panel designation.
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
•
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
• Indication of transistor.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
• B : 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.
F
: FM
f
: AM
E
: PB (DECK A)
d
: PB (DECK B)
G
: REC (DECK B)
J
: CD
c
: digital out
g : MD (VIDEO)
• Abbreviation
SP
: Singapare model
MY
: Malaysia model
TH
: Thai model
THIS NOTE IS COMMON FOR PRINTED WIRING BOARDS AND SCHEMATIC DIA-
GRAMS.
(In addition to this, the necessary note is printed in each block.)
GRAMS.
(In addition to this, the necessary note is printed in each block.)
B
These are omitted.
C
E
Q
C
B
These are omitted.
E
Q
Note:
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
The components identi-
fied by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
24
HCD-VP700
6-1. CIRCUIT BOARD LOCATION
DRIVER board
LEAF SW board
CD PANEL board
TRANS board
SUB TRANS board
DSP board
OPT IN REAR board
MAIN board
SURROUND AMP board
FRONT AMP board
OPT IN board
PANEL board
HEAD (B) board
HEAD (A) board
BD board
MOTOR board
CD SENSOR board
VIDEO board
25
25
HCD-VP700
6-2. BLOCK DIAGRAMS
– TUNER/CD SECTION –
• Signal Path
• RCH is omitted
FM 75
Ω
G
AM
TM1
ANT IN
1
7
IF OUT
8
OSC OUT
5
VT
FE1
+B
(FE1-3)
A+12V
A+12V
Q2
FM
10
FM OSC
16
AOUT
20
AIN
19
PD
18
PLL
IC51
12
IF IN
7
FM
15
AM OSC
9
VCO STOP
8
IF REQ
6
DO
4
DI
5
CL
3
CE
XIN
1
XOUT
22
X51
4.5MHz
RF IF
AMP
AMP
FM TUNED
LEVEL
Q1
CF1
CF2
DO
DI
CL
CE
2
11
4
9
10
2
AM MIX OUT
AM/FM
11
OSC FM
24
VCO STOP
12
IF REQ MUTE
10
AM RF IN
21
AM OSC
23
VCC
9
AFC
22
FM IF
1
AM/FM IF MPX
IC11
13
L OUT
14
R OUT
BUFFER
Q11
LPF11
LPF
4
AM IF IN
IFT11
R-CH
18
DECORDER
17
PLL IN OUT
16
DECORDER
IN
A
MAIN
SECTION
6
TUNED
7
8
STEREO
FM-DET
RV11
ST MUTE
21
22
27
25
ST-DOUT
ST-DIN
ST-CLK
CE
4 SIRCS
23
STEREO
87
TUNED
88
MASTER CONTROL
IC401(1/2)
1
DO
CL
CE
DI
DI
OUT
DIGITAL OUT
OPTICAL
DIGITAL IN
OPTICAL
DIGITAL IN
OPTICAL
IC609
L-CH
DISPLAY KEY
73
TBL ADDRESS
SENSOR
49
T SENS
IC711
48
BU UP/DOWN SW
46
OPEN SW
47
CLOSE SW
44
LOAD IN
OPEN/CLOSE
S701
BU UP/
DOWN
S711
45
LOAD OUT
MOTOR
DRIVE
9
7
4
2
M
IC701
TURN
MOTOR
M721
(Page 26)
RB41
6
7
8
3
1
OPTICAL
DIGITAL
OUT
REMOTE
SENSOR
SENSOR
IC1102
S1135
DISPLAY
POWER KEY
74
S1115
4
2
3
DIGITAL AUDIO
INTERFACE
IC604(2/2)
DIGITAL
IN
IC1195
5
DIGITAL
IN
IC801
IC608
IC608
IC608
10
8
12
3
5
1
DIN0
DIN1
SPDIF
DIN2
AEP
A+12V
T11
NULL
A+12V
_/1
: FM
: AM
: CD
: DIGITAL OUT
F
f
J
c
IC106
MCLK
30
I2C.DATA
I2C-DATA
29
I2C.CLK
I2C-CLK
OPTICAL PICK-UP
BLOCK
(A-MAX.3)
PD1
PD2
I5-10
I1-6
LD
VC
SW
VCC
+5V
GND
LD GND
PD
LD
DRIVE
Q101
RF AMP
IC103
VC
27
VFC
25
A
6
B
7
C
8
D
9
E
10
F
11
LD
1
PD
2
IC102
MOTOR/COIL DRIVE
VO1(-)
52
VO1(+)
47
56
55
1
2
M
M102
SLED
MOTOR
5
10
M
M101
SPINDLE
MOTOR
F+
F-
T+
T-
35
IN1+
34
IN1-
32
31
27
26
24
MDP
25
SRDR
30
SFDR
29
TRDR
32
TFDR
31
FRDR
34
FFDR
33
DIGITAL SIGNAL PROC.
IC101
DIGITAL SERVO
64
D OUT
RFAC
50
VC
38
CE
42
28
RFDC
15
14
RFAC
16
FE
18
TE
12
SW
17
FEI
29
RFDCI
RFDC
43
FE
39
TE
41
SE
40
4
DATA
DATA
CD DATA
ADATA
BCLK
LRCK
C2PO
CD BCK
CD LRCK
6
CLOK
CLK
5
XLAT
XLT
76
SQSO
SQSO
7
SENS
SENS
26 SSTP
2
XRST
8
STBY
69
XTSL
CD MECHANISM CONTROLLER
IC502(1/2)
DSP DATA
95
8
SCLK
SCLK
15
SCOR
SCOR
DSP CLK
5
DSP LATCH
97
SUBQ DATA
84
SENSE
1
SENSE CLK
2
SCOR
18
CTRL1
CTRL1(1-2)
11
3
MUTING
MUTING
DSP MUTING
10
66
PCMD
67
BCLK
65
LRCK
14
C2PO
71
XTAI
77
SQCK
SQCK
SUBQ CLK
83
LD ON
LDON
82
DEVICE RESET
XRST
77
PWM1 (BD)
PWM1
28
PWM2 (BD)
PWM2
26
PWM3 (BD)
PWM3
24
VO2(-)
VO2(+)
VO3(+)
VO3(-)
VO4(+)
VO4(-)
IN2+
IN2-
IN3+
IN3-
IN4R
DVC
4
2
C
VIDEO
SECTION
(Page 27)
E
MAIN
SECTION
(Page 26)
D
VIDEO
SECTION
(Page 27)
+3.3V
REG.
Q103,D101
+5V
+3.3V
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