87
6. BLOCK DIAGRAM
Pin No. Port Name Function To/From Descriptio Active
1 +5VD Vdd +5VD
2 OPEN P37 --- LED On/Off Low
3 OPEN P36/BUZ --- LED On/Off Low
4 OPEN P35/PCL --- LED On/Off Low
5 OPEN P34/TI2 --- LED On/Off Low
6 OPEN P33/TI1 --- LED On/Off Low
7 OPEN P32/TO2 --- LED On/Off Low
8 OPEN P31/TO1 --- LED On/Off Low
9 OPEN P30/TO0 --- LED On/Off Low
10 RESD RESET QY01
11 5MHz X'tal X2 XY02
12 5MHz X'tal X1 XY02
13 GND IC GND
14 OPEN XT2 ---
15 OPEN P04/XT1 ---
16 +5VD Vdd +5VD
17 OPEN P27/SCK0 ---
18 OPEN P26/SO0/SB1 ---
19 OPEN P25/SI0/SB0 ---
20 OPEN P24/BUSY ---
21 OPEN P23/STB ---
22 CLKD P22/SCK1 ---
23 OPEN P21/SO1 ---
24 SIOD P20/SI1 QY01
25 GND Avss GND
26 OPEN P17/ANI7 ---
27 OPEN P16/ANI6 ---
28 OPEN P15/ANI5 ---
29 OPEN P14/ANI4 ---
30 OPEN P13/ANI3 ---
31 OPEN P12/ANI2 ---
32 OPEN P11/ANI1 ---
33 OPEN P10/ANI0 ---
34 OPEN Avdd ---
35 GND Avref GND
36 OPEN P03/INTP3 ---
37 OPEN P02/INTP2 ---
38 OPEN P01/INTP1 ---
39 STBD P00/INTP0/TI0 QY01
40 GND Vss GND
41 OPEN P74 ---
42 OPEN P73 ---
43 OPEN P72 ---
44 GND P71 GND Scroll rule select
ment output
99 G2 FIP1 FL Gird output
100 G1 FIP0 FL Gird output
REST RESET SIGNAL FOR QY01 AND QY02
FILTER 1/2 LED SIGNAL H:FILTER1 L: FILTER2
AMUT
LED
WCLK
BCLK BIT CLOCK OUT OF L/R SEPALATING IC QD02
RCH DATA OUTPUT OF L/R SEPALATING IC QD02
LCH DATA OUTPUT OF L/R SEPALATING IC QD02
WORD CLOCK OUT OF L/R SEPALATING IC QD02
-R CH AUDIO SIGNAL AT DAC OUTPUT
+R CH AUDIO SIGNAL AT DAC OUTPUT
-L CH AUDIO SIGNAL AT DAC OUTPUT
+L CH AUDIO SIGNAL AT DAC OUTPUT
DOR-
DOR+
DOL-
DOL+
TRAY IN/OUT DETECT SWITCH L:OUTSIDE END
TRAY IN/OUT DETECT SWITCH L:INSIDE END
MUTE SIGNAL FOR DAC
RESET SIGNAL FOR DAC
SERIAL DATA FOR DAC
LATCH ENABLE FOR DAC
BIT CLOCK FOR DAC
RST
MUTE
MDAT
MBCK
MLE
MPU CLOCK FOR SAA7372
MPU DATA FOR SAA7372
FLAG CONTENTS
DOR
DOL
MCK
DATA
TURNTABLE CONTROL PULSE(PDM)
TURNTABLE CONTROL PULSE(PDM)
SLEDGE MOTOR CONTROL PULSE(PDM)
FOCUS MOTOR CONTROL PULSE(PDM)
RADIAL MOTOR CONTROL PULSE(PDM)
MUTE SIGNAL OUT FOR AUDIO SIGNAL
POWER ON/OFF MUTING SET SIGNAL
AUDIO SIGNAL OUTPUTS
RC-5 INTERNAL/EXTERNAL SWITCH
PWMU
MUTO
LROUT
IRSW
SLEDGE SWITCH L:IN END
TROS
TRIS
SYSTEM CLOCK 16.9344MHz
44
RAB7
CD7R
RC-5 IR RECEIVE SIGNAL OUT
RC-5 SIGNAL MPU INPUT
RC-5 SIGNAL INPUT/OUTPUT
FL GRID AND SEGMENT DRIVE
IR
RC5I
RC I/O
FLGS
57
56
55
54
53
52
51
50
71
70
69
68
67
66
65
64
63
62
61
60
59
58
49
48
TRAY MOTOR CONTROL SIGNALT.MOT
47
46
45
43
42
AUDIO MUTE H:MUTED
SLSW
SCL
SDA
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
WCLK
SCLK
SILD
DOBM
MOTO2
MOTO1
SL
FO
RA
HF HPF
HF-OUT
MT-OUT
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DATA BUS R/W AND LORD CONTROL DECODER
AUDIO SERIAL DATA CLOCK
DATA BUS R/W AND LORD CONTROL SERVO
DIGITAL OUTPUT SIGNAL
CD7 RESET PULSE
HF SIGNAL HPF OUT
TDA1302T HF SIGNAL OUT
MOTOR DRIVE OUTPUT
AUDIO I S DATA
AUDIO WORD CLOCK
2
ITEM FUNCTIONFUNCTIONFUNCTION ITEMNO. ITEMNO.NO.
MUTO
POWER INPUT
+5V
DIODE
DISC
LASER DIODE
MONITOR
F1/F2
IR
IR-OUT
-5V
CURRENTMONITOR
CONTROL
M
TRAY MOTOR
(SLEDGE)
Q102
SAA7372
Q107
Q106
Q101 TDA1302T
17
16
D1,D2,D3,D4,D5
SLSW
+5V -5V
DIGITAL SERVO
AND
DEMODULATOR
AND
POWER ON RESET
KEY MATRIX
TRAY MOTOR
FOC DRIVE
1/2
RAD DRIVE
2/2
1/2
CLV DRIVE
2/2
TURNTABLE
MOTOR
CD MECHANISM
VOLTAGE FALLING
CONTROL
POWER SUPPLY
VOLTAGE REGULATOR
Q108
TDA7073A
LT 01
JT01
SEC PRI
DECORD & SERVO
MOTOR DRIVE
& HF AMP
T.MOT
46
45
48
24
31
52 SCL
51 SDA
CD7R
SILD
57
54
21
CRIN
8
9
6
3
4
2
R1
R2
5
02
03
01
3
4
5
LDON
64
15
7
V1
27
26
28
33
34
FO
RA
SL
MOTO1
MOTO2
SLSW
53 RAB/C7
DIG OUTPUT
COAXIAL
OPTICAL
PLAY, STOP
PAUSE,OPEN/CLOSE
SRAM
(SANYO)
LC89170M
µ
PD78076
(NEC)
VAM1201
MUTING
+12 -12V
-12V
+12V
CD7
HF X2
11
PHOTO DIODE
GAIN CONTROL
FOR CD-RW
-24V
84
15
99
25
26
KEY0
KEY1
MASTER U-COM SERVO AND OTHER CONTROL
QY01
89
CDRWO
83 RC5O
D0-D7
A0-A14
QY03
-23.4VV
SLEDGE MOTOR
TDA7073AT
TDA7073AT
Q201
10
ZY21
VY01
F1 F2
????????? ???? ?? ?? ?? ?? ?? ?? ?? ?? ??
????
(NEC)
DISC
MEMO PSET
TTL
RNDM PROG
TRK
EDIT A-B
INDX
RPT
AUTO
1
TUNE
ST
MONO
FADE
PEAK TTL TIME TUNED
kHz
MHz
DISPLAY CPU
SUBCODE BUS
DOBM
XY01
CONTROL BUS
CD7R
DATD
WCLD
SCLD
R.CH
L.CH
MISC
DAC
AND
INTERFACE
BCKI
X8 DIF
TC160G11AU-1305
5.0MHz
16.9344MHz
31
J601
L.CH
R.CH
J601
PCM1716
DATA
+L
-L
HDAM
-L
+L
XTI
PCM1716
DAC
AND
BCKI
X8 DIF
DATA
XTI
(TOSHIBA)
HDAM
+R
-R
+R
-R
EEPROM
FOR LAST MEMORY
LPFLPF
LPFLPF
L/R DATA
SEPALATER
DIF/DAC
L.P.F&HDAM
DRIVE
Q202 Q204
QD02
QD01
QD51
XD01
QY02
XY02
5.0MHz
11
12
CLKD
SIOD
STBD
10 RSTD
22
24
39
27 KEY2
µ
PD780204
18
20 RAB7
47 SDA
48 SCL
19 SILD
10 11
43 CLKT
01
RST
02
03
04
05
MDAT
MUTE
MLE
MBCK
AMUT
S806D-Z
REST
FILTER
JT11
DOBM
RST
MDAT
MUTE
MLE
MBCK
RST
MDAT
MUTE
MLE
MBCK
WCLK
WCLK
MCK
MCK
MCK
LASER CURRENT
PROCESSOR
AMPLIFIER
HF EQ
DRIVE
SLEDGE
RADIAL MOTOR
FOCUS MOTOR
CD TEXT DECODER
PREVIOUS, NEXT
FOR CD-TEXT INFORMATION
ERROR CORRECTION
PROCESSOR
LOGIC
CIRCUIT
INTER FACE
DETECT
L001 TRANSFORMER
MUTING CIRCUIT
19 - 23
AM1 - AM35
AA1 - AA7
G1 - G12
RNDM PROG EDIT A – B RPT 1
DISC
TEXT 1 2
TTL TRK INDX PEAK TTL TIME
34 56 78 910 1112
1
2
13 14 15 16 17 18 19 20
FILTER
7. FLAG NO.
QY02 µPD780204
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