Aiwa CX-BK33 Service Manual page 66

CX-BK33
Q Q
3 7 6 3 1 5 1 5 0
• Waveforms
– BD Board – – MAIN Board –
IC103 qg (RFAC) IC901 qg (X2)
1 wa
(CD Play Mode)
1.2 Vp-p
200 mVp-p, 200 ns/DIV
IC101 us (XTAO) IC901 qk (XT2)
2 ws
(CD Play Mode)
3.9 Vp-p
59.1 ns
1 Vp-p, 20 ns/DIV
– DECK Board – – USB Board –
Q453, 454 Base IC700 2 (XTO)
qa ra
(REC Mode) (USB Mode)
T E
L 1 3 9 4 2 2 9 6 5 1 3
5.0 Vp-p
11.6 µ s
2 Vp-p, 5 µ s/DIV
Q453, 454 Collector
qs
(REC Mode)
14.2 Vp-p
11.6 µ s
– LCD Board –
2 Vp-p, 5 µ s/DIV
Q453, 454 Emitter IC001 uh (OSC)
ta
qd
(REC Mode)
1.3 Vp-p
5.8 µ s
500 mVp-p, 2 µ s/DIV
w w w
2.4 Vp-p
200 ns
1 Vp-p, 100 ns/DIV
2.5 Vp-p
30.4 µ s
1 Vp-p, 10 µ s/DIV
37 Vp-p
84 ns
10 Vp-p, 20 ns/DIV
1.5 Vp-p
21.5 µ s
500 mVp-p, 10 µ s/DIV
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• IC Block Diagrams
– BD Board –
IC101 CXD3068Q
DVDD2 61
ASYE 62
MD2 63
DIGITAL
DOUT 64
OUT
LRCK 65
D/A DIGITAL
PCMD 66
INTERFACE
BCK 67
EMPH 68
XTSL 69
DVSS2 70
CLOCK
XTAI
71
GENERATOR
XTAO 72
73
SOUT
SOCK 74
XOLT 75
Q Q
3 7 6
SQSO 76
SQCK 77
SCSY 78
CPU
SBSO 79 INTERFACE
EXCK
80
1 2 3 4 5
u 1 6 3
y
66 66
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2 4
8 9 9
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
OSC
DIGITAL ASYMMETRY
PLL CORRECTOR
EFM
DEMODULATOR
32K ERROR
RAM CORRECTOR
FOCUS
SERVO
DSP
TRACKING
SERVO
DSP
SLED
SERVO
DSP
SUBCODE
PROCESSOR
SERVO INTERFACE
3 1 5 1 5 0 8 9
SERVO
AUTO
SEQUENCER
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
m
c o
.
2
8 9 9
40 SE
39 TE
38 VC
37 TES1
36 TEST1
35 DVSS1
FOCUS
34 FRDR
PWM
33 FFDR
GENERATOR
TRACKING
32 TRDR
PWM
31 TFDR
GENERATOR
SLED
30 SRDR
PWM
29 SFDR
GENERATOR
28 DVDD1
27 FSTO
26 SSTP
25 MDP
2 4 9 8 2 9 9
DIGITAL
CLV 24 LOCK
PROCESSOR
23 PWMI
22 FOK
MIRR, DFCT,
FOK 21 DFCT
DETECTOR