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4. SYSTEM BLOCK DIAGRAM
I - LIMIT
78
TO/ FROM DECK
Servo vcc
5.3VA 8 1 7 TO/ FROM AVCP
IC506
MODE S/W MS501 3 5
R578
R577
R576
R575
25 26 31 32 38 39 40 61 80 81 12 24 27 28 45 43
CTL -
CAP. PWM
DRUM PWM
CTL +
DFG
CFG
CAP. REV 'H'
DRUM ADJ
V. ENV
V.H/SW30
DPG
D.V.Sync
C.ROTARY
C.Vout
C.Vin
CAP. ADJ
77 MODE S1
C. SYNC
54
76 MODE S2
75 MODE S3 OSD 'H' 59
REC START 'H' 79 5V
74 MODE S4
L/D MOTOR IC502 IN 2
SE / MES 'H' 85 8 1
R526
12V 7 Vcc 1 6 19 LD (-) A. MUTE 'H' 62 R502 7 2
IC503
CLK 90 6 3
PML01 8 Vcc 2 IN 1 R501
R525 91 5 4
5
DATA
LD 2 10 OUT 2 20 LD (+)
M
C529 REC LED 95 LED 502
LD + 1 2 OUT 1 V ref
4 CHAR. 51 DOSC OUT
LP / EP LED 96
1 GND OSC 50 DOSC IN
PLAY LED 97
ZD501 X501
5.3VA 10MHz CST IN LED 98
72 OSC1
R551 OSC STAND-BY LED 99
R550 73 OSC2
ES501 KARAOKE
X503 53 4fsc in IC501 Mic in 'H' 6 TO/FROM MODEL ONLY
OSC Mic level 7 KARAOKE
17,73447MHz 52 4fsc out
C534 Audio level 8
T-UP END ES502 + 1 T-UP SENSOR Music low 9
LD501 R5C5
DECK IR LED R557 C536 Mic S/W 66
R5C7 KARAOKE S/W2 65
3 SUP SENSOR KARAOKE S/W1 64
+
R564 C535 KEY RTN 0 13 KEY SW
KEY RTN 1 14 KEY SW
R552 RS501 SUP END C537
R560
Vcc (OSD) 42 +
R553 4 T-UP Reel C504
Q514
R554 R556 C538
T-UP REEL
Vss (SYSCON)
R559
Vcc (SERVO)
Vss (SERVO)
R555 IC504
Vss (OSD)
RS502 L502
Vcc (SYS)
Vcc (A /D)
Vss (A/D)
5 SUP Reel GND
16 3 Vcc 2
RESET
SUP REEL R558 C539 1
8 CST IN
Q515 82 2 33 49 71 15 41 22
R/C
R580
CST. TAB SW. +
5.3VA
R5R1 ZD503 C505 C506
R544 CS501 R5C6 C501
R548 C552
C5R1 +
5.3VA ZD506 C510
R/C
ZD507
RC501
+ L505
C561
3-19 3-20