Waveforms Of Cd Circuit - Sharp MD-MS200W Service Manual

MD-MS200W/MD-MS200/MD-MS200H
CH1=500mV
DC P 10
*
1 TP145
(EFM)
PLAY Codition (MO DISC)
CH1=2V CH2=500mV
DC P 10 DC P 10
*
2 CK104
(HPFO)
3 CK102
(WBO)
STAND-BY
CH1=2V CH2=500mV
DC P 10 DC P 10
* *
4 TP143
(FEOUT)
5 TP107
(F+)
6 TP206
(SENSE)
7 TP207
(FOK)
FOCUS START
STAND-BY MODE
CH1=1V CH2=2V
DC 10:1 DC 10:1
4 TP143
(FEOUT)
8 TP144
(TEOUT)
9 TP610
(SL+)
10 TP611
(SL-)
Bandwidth
FULL 20MHz OFF
CH2=2V
DC 10:1
7 TP144
(TEOUT)
9 TP611
(SL+)
10 TP610
(SL-)
CH Position To
-3div -1div

WAVEFORMS OF CD CIRCUIT

PLAY Condition
500s/d
20 s/d
*
PLAY
CH3=5V CH4=2V 100ms/d
DC P 10 DC P 10
* *
FOCUS ON
PLAY MODE
PIT
CH3=2V CH4=2V 1s/div
DC 10:1 DC 10:1 (16/div)
ENV
Smooth
ON
CH3=2V CH4=2V 1s/div
DC 10:1 DC 10:1 (1s/div)
ENV
CH4
Position
-2.7 div 1
0div +1div +3div
4 TP143
(FEOUT)
TP144
7
(TEOUT)
11 TP605
1.8V P-P
(SPDRR)
12 TP604
(VS)
11 TP605
(SPDRR)
12 TP604
(VS)
1
7
13 CK105
(TOTAL)
1 TP605
(EFM)
7 TP144
(TEOUT)
13 CK105
(TOTAL)
1 TP145
(EFM)
7 TP144
(TEOUT)
14 TP104
(T+)
15 TP106
(T-)
16 SDTI
17 SCLK
(1.4M)
18 LRCK
19 MCLK
– 36 –
CH1=2V CH2=2V CH3=2V CH4=2V
DC 10:1 DC 10:1 DC 10:1 DC 10:1
CH Position To
CH3=2V CH4=2V
DC 10:1 DC 10:1
CH Position To
CH1=2V CH2=2V CH3=1V
DC 10:1 DC 10:1 DC 10:1
CH Position To
Groove
CH1=2V CH2=2V CH3=1V
DC 10:1 DC 10:1 DC 10:1
CH Position To
CH1=2V CH2=2V CH3=1V CH4=1V
DC 10:1 DC 10:1 DC 10:1 DC 10:1
CH Position To
AD/DA Converter Input
CH1=2V CH2=2V CH3=2V CH4=2V
DC 10:1 DC 10:1 DC 10:1 DC 10:1
CH Position To
1s/div
(1s/div)
ENV
CH4
Position
-2.7 div 1
50ms/div
(50ms/div)
ENV
CH3
Position
1
-2.7 div
2ms/div
(2ms/div)
ENV
CH2
Position
-2.7 div 1
2ms/div
(2ms/div)
ENV
CH2
Position
-2.7 div 1
500 s/div
(500 s/div)
ENV
CH2
Position
-2.7 div 1
5 s/div
(5 s/div)
ENV
CH2
Position
-2.7 div 1