Sony MZ-R501 Service Manual page 26

MZ-R501/R501PC
Pin No. Pin Name
52 AVD2
53 AVS2
54 ADRB
55 SE
56 TE
57 DCHG
58 APC
59 DSPVDD0
60 DSPVSS0
61 XTSL
62 DIN1
63 (DOUT)
64 (DAPWMLP)
65 (DAPWMLN)
66 (DAPWMRP)
67 DADT
68 ADDT
69 LRCK
70 XBCK
71 FS256
72 (MVCI)
73 DSPVDD1
74 ADFG
75 (F0CNT)
76 DIFVDD0
77 DIFVSS0
78 APCREF
79 (LDDR)
80 TRDR
81 TFDR
82 FFDR
83 FRDR
84 MCUVDD1
85 (FGIN)
86 FS4
87 SPRD/SPDU/RTG0
88 SPFD/SPVS/PWM3
89 SPDV/RTG1
90 SPDW/RTG2
91 DSPVDD2
92 DSPVSS1
93 SPCU
94 SPCV
95 SPCW
96 SRDR
97 SFDR
98 SLDV
26
I/O
— Power supply terminal (for the analog) (+2.4 V)
— Ground terminal (for the analog)
I A/D converter the lower limit voltage input (fixed at "L" in this set)
I Sled error signal input terminal Not used (fixed at "L")
I Tracking error signal input from RF amp (IC501)
— Connecting analog power supply of the low impedance (fixed at "H" in this set)
I Error signal input for the laser automatic power control Not used (fixed at "H")
— Power supply terminal (for DSP block) (+1.5 V)
— Ground terminal (for DSP block)
Input terminal for the frequency set up of the system clock
I
"L": 45.1584 MHz, "H": 22.5792 MHz (fixed at "L" in this set)
I Input terminal of the record system digital audio signal
O Output terminal of the playback system digital audio signal Not used (open)
O D/A converter PWM output (L-CH right phase) Not used (open)
O D/A converter PWM output (L-CH reverse phase) Not used (open)
O D/A converter PWM output (R-CH right phase) Not used (open)
O Audio data output Not used (open)
I Data signal input from the external A/D converter (IC301)
O L/R sampling block signal (44.1 kHz) output to the external A/D converter (IC301)
O Bit clock signal (2.8224 MHz) output to the external A/D converter (IC301)
O 11.2896 MHz clock signal output to the external A/D converter (IC301)
I Vibrate input for the digital in PLL from the external VCO Not used (fixed at "L")
— Power supply terminal (for DSP block) (+1.5 V)
I ADIP duplex FM signal (20.05 ± 1 kHz) input from RF amp (IC501)
O Filter cut off control signal output Not used (open)
— Power supply terminal (for DSP I/F) (+2.3 V)
— Ground terminal (for DSP I/F)
Control signal output to the reference voltage generation circuit for the laser
O
automatic power control
O PWM signal output for the laser automatic power control Not used (open)
O Tracking servo drive PWM signal output (–) to the motor driver (IC701)
O Tracking servo drive PWM signal output (+) to the motor driver (IC701)
O Focus servo drive PWM signal output (+) to the motor driver (IC701)
O Focus servo drive PWM signal output (–) to the motor driver (IC701)
— Power supply terminal (for the microcomputer block) (+1.5 V)
I FG signal input terminal for the spindle servo Not used (open)
O 176.4 MHz clock signal output to the power control (IC601, IC901)
O Spindle servo drive PWM signal output terminal (–) to the motor driver (IC701)
O Spindle servo drive PWM signal output (+)
Spindle motor drive control signal output (V)/RTG output 1 to the motor
O
driver (IC701)
Spindle motor drive control signal output (W)/RTG output 2 to the motor
O
driver (IC701)
— Power supply terminal (for DSP block) (+1.5 V)
— Ground terminal (for DSP block)
I Spindle motor drive comparison signal input (U) from the motor driver (IC701)
I Spindle motor drive comparison signal input (V) from the motor driver (IC701)
I Spindle motor drive comparison signal input (W) from the motor driver (IC701)
O Sled servo drive PWM signal output (–) to the motor driver (IC701)
O Sled servo drive PWM signal output (+) to the motor driver (IC701)
Sled motor drive signal output (V) to the motor driver (IC701)/drive control signal
O
output (1–)
Description