Block Diagram -Display Section; Circuit Boards Location - Sony CDX-CA700 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
3-4. BLOCK DIAGRAM — DISPLAY SECTION —
SYSTEM CONTROL
KEY MATRIX
LSW902,904,905,907,
KEY IN0
5
911,913,915,916,918,919
S901,903,912,914,917
4 KEY IN1
LSW906,910
CA700/CA700X:AEP,UK MODEL
LSW801(1/2)
Z
D702 D701
KEY
ACTIVE 26 KEY ACK
Q551
91 AD ON
D553
98 RC IN1
J561
6 RC IN0
(REMOTE IN)
IC971
REMOTE
29 SIRCS
RECEIVE
34 NOSESW
S552
(NOSE)
DOOR IND
SWITCH 92 DOORIND
T E
L 1 3 9 4 2 2 9 6 5 1 3 Q631
LED801
(CD WINDOW)
15 XIN
X502
LSW801(2/2)
32.768kHz
Z
XOUT
16
ROTARY
97 REIN0
ENCODER
96 REIN1
RE901
w w w
.
LCD DRIVE
IC501 (3/3) IC901
LCD SO 18 100 LCD DATA DATA
3
SEG1
LCD CKO 20 99 LCD CLK CLK | |
SEG84 86
LCD CE 19 98 LCD CE CE
LCD
LCD901
COM1 90
| |
COM4 87
CA700
LED
1 DRIVE
Q902
LED
2 DRIVE
Q901
ILL ON
ILL ON 93 SWITCH
Q603
ILL+5V
ILL B+
BATT REG
LED931,941
Q601
(
LCD BACK
12
OSC OUT
X501
18.432MHz
OSC IN 13
x a o
y
i
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8

3-5. CIRCUIT BOARDS LOCATION

SUB (CD) board
ILL+5V
LSW902,904,905,907,
911,913,915,916,918,919
LED901,912,917
LSW906,910
CA700/CA700X:AEP,UK MODEL
( KEY )
ILLUMINATION
CA700X
ILL+5V
LED903,914
( KEY )
ILLUMINATION
• Waveforms
Q Q
3 7 6 3
— Servo Board —
)
(MODE: CD PLAY)
LIGHT
1
IC1
2
IC1
3
IC1
4
Approx. 100mVp-p
IC1
5
u 1 6 3
.
Approx. 100mVp-p
IC1
17 17
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2 4
9 9 8
DISC IN board
SUB board
KEY board
SERVO board
1 5 1 5 0 8 9 2 4
—
1
1.8Vp-p
16.9344MHz
(XTAL)
wd
2
5Vp-p
3.3msec
(PACK)
ts
3
1.5Vp-p
uj (RFO)
0V
m
oa (FEO)
c o
0V
od (TEO)
CDX-CA700/CA700X
2
9 9
LIMIT board
tuner unit
(TU10)
MAIN board
9 8 2 9 9
Main Board
—
3.4Vp-p
4.332MHz
IC51 4 (OSC O)
1.8Vp-p
18.432MHz
(OSCOUT)
IC501 qs
5.2Vp-p
32.768kHz
(XOUT)
IC501 qh