Sony CDX-1000RF Service Manual ▷ View online
13
13
CD L-CH
CD
SECTION
(1/2)
A
2
1
PJ401
AUDIO OUT
L/R
VOLUME
CONTROL
Q30
L/R
LEVEL
CONTROL
Q29
MUTE
Q401
18
1
17
13
15
6
8
VOLUME
CONTROL
Q22
LEVEL
CONTROL
Q23
MUTE
CONTROL
Q403,404
47
44
43
76
77
PMUTE
Q45
BUFFER
Q1
RF AMP
Q2,3
BUFFER
AMP
Q81,82
35
31
RELAY
SWITCH
Q15
RELAY
CONTROL
Q16
8
TRANSMITTER
L/R BALANCE
RV1
X801
4.5MHz
X1
38kHz
CD R-CH
DEVIATION
RV10
TUNER +5V
D1
D2
RY1
CNJ601
(ANTENNA IN)
CN601
(ANTENNA OUT)
L1
RF
RF
BATT
L2
RF OSC
D919
LEVEL 1
LEVEL D
MUTE
XOUT
XIN
EO1
FMIN
RY_ON
SYSTEM CONTROL
IC801(2/3)
L101
ELECTRONIC VOLUME
IC401
CD R-CH
-1
L
-2
R
• Signal path
: CD
: FM
: AM
• R-ch : same as L-ch.
L IN
MPX OUT
BALANCE
BALANCE
R IN
OSC
OSC
2
10
MPX
IC1
04
RF OSC
Q21
4-3. BLOCK DIAGRAM — CD SECTION (2/2) —
CDX-1000RF
(Page 12)
14
14
80
66
RESET
LCD_DAT
65
LCD_CLK
24
54
ADKI1
LCD_CE
DATA
CLK
CE
ILLON
78 BU_IN
SYSTEM CONTROL
IC801 (3/3)
LCD DRIVER
IC851
BACK-UP
CHECK
Q908,911,912
ACC
CHECK
Q909
LCD DRIVER
POWER
CONTROL
Q913,915
LCD
+B REG
Q917
U-COM +5V
Q910
MD
+8V REG
Q901
CD POWER
CONTROL
Q906,918
AMP REM
+B REG
Q921
AMP REM
POWER
CONTROL
Q922
53 CD_ON
52 LM_ON
51 PW_ON
25
EZ_SEL 59
ROTCOM
D905
D906
CD
+5V REG
Q904
MD POWER
CONTROL
Q902,914
AMP REM
ACC
BATT
BATT
D913
U-COM +5V
CD +5V
TUNER +5V
MD +8V
62
61
60
LCD_INH
INH
57
64
24
63
COM1
COM2
S6-S26
S28-S30
LIQUID CRYSTAL
DISPLAY PANEL
LCD851
17
16
PL851
D861-868
23
ADKI2
41
ACC-IN
J801
(REMOTE IN)
04
S881
(RESET)
6
I
23
•
25
I
27
•
29
I
31
26
I
18
•
15
I
1
67
PH2
46
TUNER
+5V REG
Q907
TUNER
POWER
CONTROL
Q903,905
S861-864
S851-854
58
1
2
4
CNP901
CDX-1000RF
4-4. BLOCK DIAGRAM — DISPLAY, POWER SUPPLY SECTION —
15
15
DISC IN SW board
DISPLAY board
LOAD SW board
SERVO board
MAIN board
LIMIT SW board
SUB board
4-5. CIRCUIT BOARDS LOCATION
• Waveforms
(MODE:PLAY)
1
2
3
4
5
6
7
Approx. 620mVp-p
IC2
1
(FEO)
0V
IC2
ea
(RFO)
1.2Vp-p
Approx. 200mVp-p
IC2
rs
(TEO)
0V
IC1
3
(MDP)
2.6Vp-p
7.6
µ
sec
IC1
w;
(LRCK)
5.8Vp-p
22.7
µ
sec
IC1
ws
(BCK)
5.7Vp-p
474nsec
16.89MHz
IC1
ef
(XTAI)
3.2Vp-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 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.
•
%
: indicates tolerance.
•
C
: panel designation.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 14.4V and fed with regulated dc power
supply from ACC and BATT cords.
• 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
f
: AM
J
: CD
for printed wiring boards:
• X
: parts extracted from the component side.
• b
: Pattern from the side which enables seeing.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
16
16
CDX-1000RF
4-6. PRINTED WIRING BOARDS — CD MECHANISM SECTION — • Refer to page 15 for Circuit Boards Location.
(Page 18)
Ref. No.
Location
IC1
D-2
IC2
E-5
IC3
B-2
Q1
F-5
Q2
F-6
• Semiconductor
Location
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