Sony HCD-GX450 Service Manual page 118

HCD-GX450
• Waveforms
– BD Board – – MAIN Board –
IC901 qa
IC101 uj (XTAO)
1
3
(XCOUT (32.768KHZ))
4.5 Vp-p
59 ns
1 V/DIV, 20 ns/DIV
IC901 qd (XOUT (16MHZ))
IC101 ra (RFACO)
4
2
Approx.
800 mVp-p
0.2 V/DIV, 0.5 µ s/DIV
Q201 (Collector)
5
(REC mode)
HCD-GX450
– PANEL Board –
IC701 4 (X2)
6
2.8 Vp-p
30.6 µ s
239 ns
1 V/DIV, 10 µ s/DIV
1 V/DIV, 100 ns/DIV
1Vp-p
62.2 ns
500 mV/DIV, 20 ns/DIV
17.6 Vp-p
17.2 µ s
500 mV/DIV, 10 µ s/DIV
• IC Block Diagrams
– BD Board –
IC101 CXD3059AR
120 119 118 117
3.9 Vp-p
SERVO
INTERFACE
1 MIRR
MIRR
DFCT
DFCT 2
FOK
3
FOK
4
VSS
LOCK 5
MDP 6
SSTP 7
IOVSS1 8
SFDR 9
SRDR 10
TFDR 11
PWM
GENERATOR
TRDR 12
FFDR 13
FRDR 14
IOVDD1 15
AVDD0 16 SERVO
DSP
AVSS0 17
NC 18
A/D
CONVERTER
E 19
F 20 TE
21
TEI
TEO 22
FEI 23
24
FEO
FE
25 VC
VC
A 26
SUM
B 27
C 28
D 29
NC 30
ATT
31 32 33 34 35
40 40
116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100
CPU INTERFACE
D/A
COVERTER
DIGITAL SERVO
CLV AUTO
SEQUENCER
D/A
INTERFACE
ERROR
CORRECTOR RAM
EFM
DEMODULATOR
SUB CODE
PROCESSOR
ASYNMMETRY DIGITAL
CORRECTOR PLL
EQ AMP
APC
36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
99 98 97 96 95 94 93 92 91
90 RMUT
89 IOVDD0
88 NC
87 AVDD2
86 AOUT2
LPF
85 VREFR
84 AVSS2
83 AVSS1
82 VREFL
LPF
81 AOUT1
80 AVDD1
79 XVDD
CLOCK 78 XTAI
GENERATOR 77 XTAO
76 XVSS
75 NC
74 IOVSS2
73 TES1
72 TEST
DIGITAL OUT 71 DOUT
70 IOVDD2
69 EMPHI
68 EMPH
67 VDD
66 BCK
65 PCMD
SELECTOR
64 VSS
32k
63 LRCK
DC/DC
62 LRCKI
CONVERTER
61 PCMDI
54 55 56 57 58 59 60