Block Diagram -Display Section; Circuit Boards Location - Sony CDX-L600X Service Manual

3-4. BLOCK DIAGRAM — DISPLAY SECTION —
SYSTEM CONTROL
IC801 (3/3)
KEY IN0
KEY MATRIX 5
LCD SO
LSW501-510,
LCD CKO
LSW513-522
LSW916(1/2) 4 KEY IN1 LCD CE
D801
KEY
ACTIVE 26 KEY ACK
Q801
91 XKEYON
D802
DOOR IND
98 RC IN1
CNP801
6 RC IN0
(REMOTE IN)
IC502
IR
29 SIRCS
RECEIVE
ROTARY
97 RE IN0 ILL ON
ENCODER
96 RE IN1
RE501
S902
34 NOSE SW
(NOSE DET)
OSC OUT
15 XIN
X802
32.768kHz OSC IN
16 XOUT
LCD DRIVE
IC501
80
SEG2
•
18 78 LCD DATA DATA
|
1
20 77 LCD CLK CLK
SEG66 |
19 76 LCD CE CE
64
LCD
LCD500
COM1 65
|
|
COM4 68
DOOR IND
92 DRIVE
Q914, 915
LED905,LSW916(2/2)
POWER
LSW501-510
93 CONT
LSW513-522
Q906
( KEY )
ILLUMINATION
SWITCH
BATT
Q905
( LCD BACK )
LIGHT
12
X801
LED510-513
18.43MHz
13

3-5. CIRCUIT BOARDS LOCATION

IN SELF SW board
RELAY board
DISPLAY board
• Waveforms
— Servo Board —
(MODE: CD PLAY)
1
2Vp-p
16.9344MHz
(XTAL)
IC1 wd
2
5Vp-p
34msec
(PACK)
IC1 ts
3
1.2Vp-p
IC1 uj (RFO)
4
Approx. 100mVp-p
IC1 oa (FEO)
5
Approx. 100mVp-p
IC1 od (TEO)
17 17
CDX-L600X/L630X
SL SW board
MAIN board
SERVO board
Main Board
— —
1
18.43MHz
IC801 qs (OSCOUT)
2
32.768kHz
qh (XOUT)
IC801
0V
0V
tuner unit
(TU601)
1.6Vp-p
5Vp-p