Ic Block Diagram - Sanyo MCD-Z160F Service Manual

IC BLOCK DIAGRAM & DESCRIPTION
L
IC903 LA6541 D (Pickup Actuator& CD Mechanism Motor)
WC
Vref VIN4 VG4 V08 V07 GN13 V06 V05 VG3 VIN3 CD
RES
Level
sin
' "( : ~
RESET
Level BTL
sift Driver
1
I
Ilk(l
Vcc Mute VIN1
Vol
Vol V02 Gt4D
IC904 LC651104F-4K47
No. Pin Name Vo
Function
1 VOL-UP
o Not used
2 VOL-DOWN o Not used
3 SWIN I CD function I Rimit SW. I Sync. REC
4 XRST I Rasat signal for around IC'S
5 AV+
- Power supply
6 AV- - Vss
71 Vss I - IGND
I
8 Oscl I Oscillator Input
9 OSC2 o Oscillator Output
10 VDD - +5V
11 RES I System Reset Signal
12 TEST - Test terminal
13 SQOUT I Inter Face for DSP (SUBQ DATA)
14
COIN o Inter Face for DSP (DATA)
15 CQCK o Inter Face for DSP (CLOCK)
(-
-14-
V03
V04 VG2 VIN2 Ffe(jOUT Rq IN
) 1
No. Pin Name Uo Function
16 IR I Not used
17 WRQ I Inter Face for DSP (SUBQ REQUEST)
18 RWC
o Inter Face for DSP (DATA LATCH)
19
DRF o DRF Signal Input
20 Olc-sw o Close SW.
21 I SEG-a I O I Light up Signal for LED (Segment a)
221 SEG-b
I O ]Light up Signal for LED (Segment b)