Sony CFD-E95 Service Manual ▷ View online
17
CFD-E95
Adjustment Location:
TP
(VT)
TP
(GND)
TP
(ANT)
– TUNER BOARD (Component Side) –
– TUNER BOARD (Conductor Side) –
L4
AM VCO Voltage Adjustment
L2
FM VCO Voltage Adjustment
AM Tracking Adjustment
L3
CT3
CT3
FM Tracking Adjustment
T1 AM IF Adjustment
T2 FM IF Adjustment
L1
CT1
CT1
– RELAY BOARD (Conductor Side) –
1
2
CNP325
18
CFD-E95
CD SECTION
CD section adjustments are done automatically in this set.
In case of operation check, confirm that focus bias.
In case of operation check, confirm that focus bias.
Focus Bias Check
1. Connect the oscilloscope to TP (RF) and TP (GND) on the CD
board.
2. Insert the disc (YEDS-18). (Part No. : 3-702-101-01)
3. Press the
3. Press the
[ ]
button.
4. Confirm that the oscilloscope waveform is as shown in the
figure below. (eye pattern)
A good eye pattern means that the diamond shape (
A good eye pattern means that the diamond shape (
◊) in the
center of the waveform can be clearly distinguished.
• RF signal reference waveform (eye pattern)
VOLT/DIV: 0.2 V (with the 10: 1 probe in use.)
TIME/DIV: 500 ns
TIME/DIV: 500 ns
0.85
±
0.2 Vp-p
When observing the eye pattern, set the oscilloscope
for AC range and raise vertical sensitivity.
for AC range and raise vertical sensitivity.
Adjustment Location:
u
IC701
TP (GND)
TP
(RF)
– CD BOARD (Conductor Side) –
CFD-E95
19
19
A
B
D
E
F
C
I-V AMP
DETECTOR
12
11
17
18
26
SL+
SL–
F–
F+
T+
T–
SPINDLE
MOTOR DRIVE
M701
(SPINDLE)
S701
(LIMIT)
SLED
MOTOR DRIVE
27
M702
(SLED)
FOCUS
COIL DRIVE
TRACKING
COIL DRIVE
SP+
SP–
3
25
9
19
FIN
TIN
SLIN
SPIN
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC702
LD
PD
LASER DIODE
OPTICAL PICK-UP
BLOCK
(KSS-213R)
2-AXIS
DEVICE
(FOCUS)
(TRACKING)
2
1
M
M
7
MUTE
AUTOMATIC
POWER
CONTROL
Q701
53 C-DOUT
52 C-WRQ
55 C-CLK
62 C-CE
54 C-DIN
64 C-XRT
63 C-FRQ
61 C-DRF
40
CD DOOR
S901
(Page 21)
A
SYSTEM CONTROLLER
IC801 (1/3)
R-CH
: CD PLAY
CD L-OUT
R-ch is omitted due to same as L-ch.
SIGNAL PATH
APC
FIN2
FIN1
LDD
LDS
TIN2
TIN1
RF
10
9
80
7
79
4
8
EFMIN
HFL
AGC
PH(RFENV)
FE
TE
VREF
CONT1
FSEQ
CONT4
DRF
RES
DI
CE
CL
WRQ
DO
XOUT
XIN
LCHO
RCHO
3
67
TDD
TD
FD
SP
SL
31
72 25
66
63 61 62
49
48
65 64
42
45
RF AMP, FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
CLV SERVO, D/A CONVERTER
IC701
X701
16.9344MHz
CLV,CAV
CONTROL
PLL
VCEC
SWITCH
ERROR
CORRECTION
AUDIO CD
A/D
CONVERTER,
SERVO
PROCESSOR
FRAME SYNC
DETECT,PROTECT
INSERT
EFM DECODER
INTERPOLATION
MUTE
&
ATTENUATION
DEEMPHASIS
8FS
DIGITAL
FILTER
&
1-bit DAC
LPF
SLICE
LEVEL
CONTROL
GENERAL
PURPOSE
PORT
COMMAND
INTERFACE
INTERFACE
CLOCK
GENERATOR
D/A
CONVERTER
PH/BH
20
FDD
SPDO
SLDO
21 22 23
+
+
+
CD LID OPEN/CLOSE
DETECT
(
)
RF AMP, FOCUS/TRACKING SERVO,
DIGITAL SIGNAL PROCESSOR,
CLV SERVO, D/A CONVERTER
IC701
SECTION 6
DIAGRAMS
6-1.
BLOCK DIAGRAM – CD Section –
CFD-E95
20
20
6-2.
BLOCK DIAGRAM – TUNER Section –
R-DATA
R-CLOCK
R-CE
R-COUNT
(Page 21)
R-MUTE
TU L-OUT
(Page 21)
B
D
(Page 21)
C
R-DATA, R-CLOCK,
R-CE, R-COUNT
2
24
4
7
20
21
FM
RF AMP
FM
MIX
FM
OSC
FM IF
AMP
IF
BUFFER
AF
BUFFER
AF
AMP
MPX
MUTE
STEREO/
MONO,
FM/AM
FM/AM
AM IF
AMP
FM
DET
AM
DET
DET
6
FM
RF-IN
RF-IN
22
AM
RF AMP
AM
MIX
AM
RF-IN
RF-IN
MIX-OUT
OSC-
OUT
CF2
FM/AM PLL
IC2
CF4
FM
RF-OUT
RF-OUT
10
QUAD
FM
IF-IN
IF-IN
12
15
11
L-OUT
MPX-
IN
IN
R-OUT
13
AM
IF-IN
IF-IN
LPF1/BAND
AM OSC
FM OSC
FM/AM RF AMP, MIX, OSC,
FM/AM IF AMP, DET, MPX
IC1
L2
FM VCO VOLTAGE
L4
AM VCO VOLTAGE
CT1, L1
FM TRACKING
T1
AM IFT
CT3, L3
AM TRACKING
LOW-PASS
FILTER
: FM
: AM
X1
75kHz
CT3
L3
AM FERRITE-ROD
ANTENNA
L1
FM RF
XOUT
XIN
AM IN
IF IN
ST
-IND
LP-OUT
LP-IN
FM IN
20
19
11
12
18
CT1
D1
L4
AM OSC
L2
FM OSC
LEVEL
DET
ST
IND
14
LPF2/MO-ST
AM
OSC
BUFFER
BUFFER
SWALLOW
COUNTER
UNIVERSAL
COUNTER
CCB
INTERFACE
REFERENCE
DIVIDER
UNLOCK
DETECT
PHASE
DETECTOR/
CHARGE PUMP
SHIFT REGISTER & LATCH
1/2
DI
CL
CE
DO
R-CH
DET-
OUT
ANT1
FM TELESCOPIC
ANTENNA
PD
IF-OUT
ST
-IND
2
3
1
4
10
BAND
7
MO/ST
13
8
17
16
17
18
16
19
D2
D3
(1/2)
D3
(2/2)
T1
AM IF
D11
D10
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
LOW-PASS
FILTER
L-CH
12 BIT
PROGRAMMABLE
DIVIDER
T2
FM IFT
T2
FM IF
+9V
D930
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