Sony HCD-GRX9900 Service Manual page 42

• Waveforms
– BD Board –
1 IC101 ^¶ (XTAO) 5 IC101 @§ (MDP)
3.1 Vp-p
16.9344 MHz
2 IC101 %¡ (RF AC) (CD Play Mode) 6 IC102 !§ (RFO) (CD Play Mode)
1.2 Vp-p
3 IC101 $¡ (TE) (CD Play Mode)
0.2 Vp-p
4 IC101 #ª (FE) (CD Play Mode)
0.5 Vp-p
– MAIN Board –
1 IC501 0 (XC-IN)
2.5 Vp-p
32.768 kHz
7.8 s
2 IC501 !∞ (XIN)
1.3 Vp-p
16 MHz
– PANEL Board –
1 IC601 &™ (XOUT)
12.5 MHz
– 65 –
• IC Block Diagrams
– BD Board –
IC101 CXD2587Q
60 59 58 57
1.8 Vp-p
DIGITAL
OUT
LRCK 61
D/A
PCMD 62
INTERFACE
BCK 63
EMPH 64
XVDD 65
XTAI 66
TIMING
LOGIC
XTAO 67
XVSS 68
AVDD1 69
AOUT1 70
AIN1 71
2.2 Vp-p
LOUT1 72
PWM PWM
AVSS1 73
AVSS2 74
LOUT2 75
3rd ORDER
NOISE SHAPER
OVER SAMPLING
AIN2 76
DIGITAL FILTER
AOUT2 77
AVDD2 78
RMUT 79
SERIAL IN
INTERFACE
LMUT 80
4.7 Vp-p
1 2 3 4
56 55 54 53 52 51 50 49 48 47 46 45 44 43
ERROR
CORRECTOR
DIGITAL ASYMMETRY
PLL CORRECTION
16K
RAM OPERATIONAL
AMPLIFIER
EFM
ANALOG SWITCH
DEMODULATOR
CONVERTER
SERVO DSP
FOCUS
SERVO
TRACKING
SERVO
SUBCODE
SLED
PROCESSOR
SERVO
SERVO
INTERFACE
SERVO AUTO
SEQUENCER
CPU
INTERFACE
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
– 66 –
42 41
40 SE
39 FE
VC
38
A/D
CLOCK
37 XTSL
GENERATOR
36 TES1
35 TEST
PWM GENERATOR
34 VSS
33 FRDR
FOCUS PWM
GENERATOR 32 FFDR
31 TRDR
TRACKING
PWM GENERATOR
30 TFDR
29 SRDR
SLED PWM
GENERATOR 28 SFDR
27 SSTP
26 MDP
DIGITAL
CLV 25 LOCK
24 FOK
MIRR, DFCT,
FOK 23 DFCT
DETECTOR
22 MIRR
COUT
21