Sony CDX-454RF Service Manual page 34

CDX-454RF/454XRF
– MAIN Board –
IC101 CDX2598Q
80 79 78
BCK 81
BCKI 82
ENPH 83
EMPHI 84
XVDD 85
SERIAL-IN
INTERFACE
XTAI 86
TIMING
LOGIC
XTAO 87
OVER SAMPLING
XVSS 88
DIGITAL FILTER
AVDD1 89
3rd-ORDER
NOISE SHAPER
LOW-PASS
AOUT1 90
PWM
FILTER
AIN1 91
–
LOUT1 92
+
VC
AVSS1 93
AVSS2 94
VC
+
LOUT2 95
–
AIN2 96
LOW-PASS
AOUT2 97
PWM
FILTER
SERVO
INTERFACE
AVDD2 98
RMUT 99
LMUT 100
1 2 3 4 5
IC301 LB1930M-TLM
VCC 1
BUFFER
NC 2
IN1 3
CONTROL
CIRCUIT
IN2 4
BUFFER
S-GND
5
34
77 76 75 74 73 72 71 70 69
CLOCK
GENERATOR
D/A DIGITAL
INTERFACE OUT
32k ERROR
RAM CORRECTOR
INTERNAL BUS
DEMODULATOR
SUB CODE
PROCESSOR
SERVO
AUTO
SEQUENCER
CPU
INTERFACE
6 7 8 9 10 11 12 13 14
10 NC
OUT1
9
MOTOR
DRIVE
8 NC
CIRCUIT
7 OUT2
P-GND
6
68 67 66 65 64 63 62 61 60 59
DIGITAL ASYMMETRY
PLL CORRECTOR
EFM
15 16 17 18 19 20 21 22 23 24
58 57 56 55 54 53 52 51
OP AMP
A/D
ANALOG
CONVERTER
SWITCH
SERVO DSP PWM GENERATOR
FOCUS PWM
FOCUS SERVO
GENERATOR
TRACKING TRACKING PWM
SERVO GENERATOR
SLED PWM
SLED SERVO
GENERATOR
DIGITAL
CLV
MIRR
DFCT
FOK
25 26 27 28 29
50 FE
49 VC
48 XTSL
47 TES1
46 TEST
45 VSS
44 VDD
43 FRDR
42 FFDR
41 TRDR
40 TFDR
39 SRDR
38 SFDR
37 FSTIO
36 SSTP
35 MDP
34 LOCK
33 PWMI
32 FOK
31 DFCT
30