Sony ZS-M35 Service Manual page 40

Pin No. Pin Name
48 +3.3V
49 SNG/CHG
50, 51 JOG1, JOG0
52 SDA
53 SCL
54 2M/4M
55, 56 NC
57 RXD (UART)
58 TXD (UART)
59 RTS
60 CTS
61, 62 AUBIT0, AUBIT1
CLKSET0,
63, 64
CLKSET1
65 GND
66 +3.3V
67 SCLK
68 SWDT
69 SRDT
70 EMP
71 SCK1
72 SOUT1
73 SIN1
74 CSB
75 LDON
76 PIT/GRV
77 FOK
78 NC
79 LOCK
80 WRPWR
81 DIG-RST
82 NC
83 DA-RST
84 DSEL-A
85 DSEL-B
86 MOD
I/O
— Power supply terminal (+3.3V)
— Not used (fixed at "L")
I JOG dial pulse input
I/O Two-way data bus with the EEPROM (IC171)
O Clock signal output to the EEPROM (IC171)
Select whether D-RAM capacitance 2M bit or 4M bit
I
2M bit (internal D-RAM of IC121 CXD2654R) (fixed at "H" in this set)
— Not used (fixed at "L")
I UART communication data input from the system controller (IC401)
O UART communication data output to the system controller (IC401)
I RTS (Request To Send) input from the system controller (IC401)
O CTS (Clear To Send) output to the system controller (IC401)
— Not used (fixed at "L")
I Clock destination setting terminal
— Ground terminal
— Power supply terminal (+3.3V)
O Serial clock signal output to the CXD2654R (IC121)
O Writing data output to the CXD2654R (IC121)
I Reading data input from the CXD2654R (IC121)
O Emphasis control signal output to the A/D, D/A converter (IC603) when recording mode
O Display serial clock signal output terminal
O Display serial data output terminal
O Chip select signal output for the display
I Not used (fixed at "H")
O Laser diode on/off control signal output to the automatic power control circuit "H": laser on
Pit/groove detection signal output terminal
O
"H": is output for the playback only disc or TOC area
Focus OK signal input from the CXD2654R (IC121)
I
"H" is input when focus is on ("L": NG)
— Not used (open)
O Lock signal output terminal
Laser power select signal output to the CXD2654R (IC121) and HF module switch circuit
O
"L": playback mode, "H": recording mode
O Reset signal output to the CXD2654R (IC121) and BH6511FS (IC152)
— Not used (open)
O Reset signal output to the A/D, D/A converter (IC603)
— Not used (open)
— Not used (open)
Laser modulation select signal output to the HF module switch circuit
Stop: "L", Playback power: "H",
Recording power:
O
– 40 –
Pin Description
Not used (fixed at "L")
(fixed at "L")
Not used (open)
Not used (open)
Not used (open)
Not used (open)
0.5 sec
2 sec
"L": 4M bit (external D-RAM), "H":
Not used (open)
"L": reset
"L": reset