Read Sony CDX-CA810X Service Manual online
17
17
CDX-CA810X
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
3-5. CIRCUIT BOARDS LOCATION
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
2
3
IC1
ts
(PACK)
IC1
uj
(RFO)
1.5Vp-p
4
Approx. 100mVp-p
IC1
oa
(FEO)
0V
5
Approx. 100mVp-p
IC1
od
(TEO)
1.8Vp-p
16.9344MHz
IC1
wd
(XTAL)
5Vp-p
0V
3.3msec
—
Main Board
—
1
2
18.432MHz
IC303
qs
(OSCOUT)
1.8Vp-p
32.768kHz
IC303
qh
(XOUT)
5.2Vp-p
KEY board
MAIN board
LIMIT board
DISC IN board
SUB (CD) board
SUB board
MJ board
SERVO board
tuner unit
(TUX501)
(TUX501)
LSW901-912
S902-905
S902-905
KEY
ACTIVE
Q304
DOOR IND
SWITCH
Q303
REMOTE
RECEIVE
RECEIVE
CNJ101
(REMOTE IN)
IC971
X301
32.768kHz
15
16
12
13
6
18
20
19
5
26
91
98
7
29
SYSTEM CONTROL
IC303 (3/3)
LCD DRIVE
IC901
KEY IN0
DATA
CLK
CE
LCD SO
LCD CKO
LCD CE
KEY IN1
KEY ACK
AD ON
RC IN1
RC IN0
SIRCS
85 DOORIND
34 NOSESW
XIN
XOUT
OSC OUT
OSC IN
X302
18.43MHz
100
99
98
COM1
COM4
AMBER1
BLUE1
GREEN1
GREEN2
AMBER2
AMBER,
BLUE,
GREEN
LED DRIVE
Q901-903,907,908
BLUE,
GREEN
LED DRIVE
Q901-903,907,908
LCD
LCD901
KEY+B (10V)
LSW901-912
LED910-915,921-924
LED910-915,921-924
D303
S801
D302
KEY
ILLUMINATION
(
)
90
|
87
|
SEG01
SEG80
7
|
86
|
LCD DATA
LCD CLK
LCD CE
94 DOOR SW
Z
S302
(NOSE)
LED801
(DOOR INDICATOR)
LED802
Z
KEY MATRIX
SUB
BOARD
2
3
4
5
6
6
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