Sony HCD-D290 / HCD-G3300 / HCD-XB3 / HCD-XB30 / LBT-D290 / LBT-G3300 / LBT-XB3 / LBT-XB3S Service Manual ▷ View online
– 37 –
E-F Balance (1 Track Jump) check
(Without remote commander)
(Without remote commander)
+
–
–
BD board
TP (TEO)
TP (VC)
TP (VC)
oscilloscope
Procedure:
1. Connect oscilloscope to test point TP (TEO) on BD board.
2. Turned Power switch on.
3. Put disc (YEDS-18) in to play the number five track.
4. Press the “
1. Connect oscilloscope to test point TP (TEO) on BD board.
2. Turned Power switch on.
3. Put disc (YEDS-18) in to play the number five track.
4. Press the “
P (Pause)” button. (Becomes the 1 track jump mode)
5. Check the level B of the oscilloscope's waveform and the A (DC
voltage) of the center of the Traverse waveform.
Confirm the following:
Confirm the following:
A – B
2 (A + B)
×
100 = ±7 (%)
Center of the waveform
B
level : 500 mV
±
100 mVp-p
symmetry
A (DC voltage)
0V
1 track jump waveform
Adjustment Location:
[BD BOARD] (Conductor Side)
IC103
CNU102
IC101
IC
I02
I02
RF
FOK
VC
FEO
TEO
GND
CNU101
GND
– 38 –
SECTION 6
DIAGRAMS
•
Circuit Board Location
TRANS board
PANEL board
TCB board
POWER AMP
board
board
TC-B SW board
CD-B1 SW board
CD-B2 SW board
CD-A SW board
LED board
TC-A SW
board
board
HEADPHONE-MIC
board
board
CD MOTOR board
BD LED board
AUDIO board
BD board
LEAF SWITCH
board
board
MOTOR board
DOOR SW board
MAIN board
– 39 –
•
Waveforms
— BD Section—
1
IC101
#£
pin (PLAY MODE)
Approx. 1.3 Vp-p
5
IC103
^º
pin (XPCK)
2
IC101
2
pin (FEI) (PLAY MODE)
3
IC101
$¶
pin (TEI) (PLAY MODE)
6
IC103
^™
pin (RFCK)
5.6 V
135.5
µ
sec
7
IC103
&¢
pin (WFCK)
!¡
IC301
!£
pin (XT2)
9
IC601
8
pin (X-OUT)
— PANEL Section—
— TUNER Section—
!™
IC1
@¢
pin (XOUT) (EXCEPT AEP, UK)
IC21
@¢
pin (X OUT) (AEP, UK)
4.8 Vp-p
222 nsec
!£
IC2
@£
pin (VCO) (EXCEPT AEP, UK)
IC41
@£
pin (VCO) (AEP, UK)
Approx. 0.2 V
Approx. 0.1 V
4.8 Vp-p
2.2 nsec
4.6 Vp-p
31.3
µ
sec
2.1 V
125 nsec
7 V
230 nsec
5.7 V
200 nsec
0
IC301
0
pin (X2)
— MAIN Section—
4
IC103
@¶
pin (MDP)
2.4 V
7.8
µ
sec
10 V
59.8 nsec
8
IC103
*ª
pin (XTAI)
– 40 –
6-1.
BLOCK DIAGRAMS
– TUNER SECTION – (US, CND, E, AR, MX, AUS, PX MODELS)
HCD-D290/G3300/XB3
TM1
ANTENNA
FM 75
Ω
AM
ANT IN
IF OUT
F OUT
VT
FE1
FM FRONT END
ST +10V
IF AMP
Q1,2
IF AMP
Q3,4
CF1
10.7MHz
CF2
10.7MHz
1
FM IN
4
27
19
15
10
REG
29 AM OSC
AM RF IN
FM
FM OSC
PD1
RV41
FM
TUNING
LEVEL
3
4
5
6
30
14 15 11
FM SD
AM / FM
VCO STOP
IF BUFF MUTE
23
9
5
13
12
2
AM
SD
AM
SD
AM MIX
AM IF
IFT41
X43
450KHz
X41
456KHz
X42
10.7MHz
TUNING
LEVEL
AM
RV42
AMP IN L
L
MPX IN
OUT L
OUT R
AM / FM
8
7
ST LED
TU LED
STEREO
TUNED
LPF
RCH
FM / AM MPX
IC2
24
22
20
21
18
16
14
7
2 12 8
1 24
AM OSC
FM
VCO STOP
IF
IF REQ
X IN
X OUT
CE
DI
CL
DO
MUTE
ST-CE
COM-DIN
COM-CLK
COM-DATA
B
A
MAIN SECTION
(page 43)
(page 43)
PLL
IC1
FE2
AM FRONTEND
Q5
3
7
9
13
14
ANT IN
B+
F OUT
RF OUT
VT
X21
4.5MHz
•
R CH:Same as L CH
•
SIGNAL PATH
:FM
:AM
•
Abbreviation
CND :Canadian model
CND :Canadian model
AUS :Australian model
AR
:Argentine model
MX
:Mexican model
AM IF
DET
VCO
MAIN
SECTION
(page 44)
66
65
67
68
70
72
69
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