Sony CFD-600 Service Manual page 7

1/0 [REC inp
| 66 | LCD-BUSY | I/O | Input permission discrimination of LCD driver IC.
DISC1 display LED ON/OFF
cee Dd
Power supply
— | Not used.
C-MUTE CD MUTE output
C-CLK CLK output for CD DSP COMMAND.
7
vi
'c
7
yi
C-SCOR CD SCOR input
C-XLT CD SYSTEM LATCH output
VD
C-DATA 1/0 | CD DSP COMMAND DATA output
CD SYSTEM RESET output
| = osci.~———ss«0.s_ | MAIN CLOCK OUT (4.19MHz)
Posen 0" Man Chock mn
GND
D
D
T CLOCK IN for clock.
T
70
1
2
5
4
+s)
76
77
78
79
I
81 O | CLOCK OUT for clock. (32.768kHz)
82 LCD-C/D 1/O | DATA/COMMAND discrimination output to LCD driver IC.
1/0 | WAKE UP input/REG-CHK from STOP mode.
1/O | Serialedata output to LCD driver IC.
I/O | Chip*select output of LCD driver IC.
I/O | Serial*clock output to LCD driver IC.
8 Changer decrease voltage detection
== No connect.
, CH-LED2 I/O | DISC2 display LED ON/OFF
CH-LED3 I/O | DISC3 display LED ON/OFF
co
he
92 CH-LED4 1/0 | DISC4 display LED ON/OFF
93 CH-LED5 1/0 | DISCS display LED ON/OFF
94 CH-LED6 1/0 | DISC6 display LED ON/OFF
95 CH-LED7 SINGLER OPERATION display LED ON/OFF
96—98
99, 100
VDD1—3 — | (Bias output for LCD drive.)
Cl, C2 — | (Bias generation condenser for LCD drive.)