Sony ZS-M35 (serv.man2) Service Manual ▷ View online
– 37 –
Pin No.
Pin Name
I/O
Pin Description
1
NC
—
Not used
2
MEGA BASS
O
MEGA BASS on/off control signal output “L”: MEGA BASS on
3
LINE-LEVEL
O
Line in level control signal output “L”: normal, “H”: high
4
AU-CS
O
Chip select signal output to the electrical volume (IC301)
5
AU-DATA
O
Serial data output to the electrical volume (IC301)
6
AU-CLK
O
Serial data transfer clock signal output to the electrical volume (IC301)
7
RDS-DATA
I
RDS serial data input from the RDS decoder (Not used)
8
NC
—
Not used
9
RDS-CLK
I
RDS serial data transfer clock signal input from the RDS decoder (Not used)
10
TU-MUTE
O
Muting on/off control signal output for the tuner signal “H”: muting on
11
TU-CE
O
PLL serial chip enable signal output to the tuner PLL IC (IC2)
12
TU-DATA
O
PLL serial data output to the tuner PLL IC (IC2)
13
TU-CLK
O
PLL serial data transfer clock signal output to the tuner PLL IC (IC2)
14
TU-COUNT
I
PLL serial data input from the tuner PLL IC (IC2)
15
CD-DOOR
I
Detection signal input from the CD lid open/close detect switch (S402)
16
NC
—
Not used
17 – 21
KEY S4 – S0
I
Key input terminal
22
LED-CHARA-KAN
O
LED (LED board D609) on/off drive signal output
23
LED-123
O
LED (LED board D610-613) on/off drive signal output
24
LED-456
O
LED (LED board D607,615-617) on/off drive signal output
25
LED-789
O
LED (LED board D618-621) on/off drive signal output
26
LED-0
O
LED (LED board D622-625) on/off drive signal output
27
LED-CHARA-ABC
O
LED (LED board D608) on/off drive signal output
28
NC
—
Not used
29
LED-CLOCK
O
LED (LED board D602-614) on/off drive signal output
30
LED-HISPEED
O
LED (LED board D601) on/off drive signal output
31
RA-POWER
O
RA7V power supply on/off control signal output
32
NC
—
Not used
33
FL-CTR
O
FL-BU3.3V power supply on/off control signal output
34
PA-STANDBY
O
Power amplifier on/off control signal output “H”: power off “H”: standby, “L”: power on
35
LINE-MUTE
O
LINE input muting on/off control signal output
36
KEY-C2
O
Not used
37
KEY-C1
O
Not used
38
FL-DIM
O
Control signal output for the brightness of fluorescent tube display
39
TU-SFT
O
Frequency shift of the main system clock control terminal
40
RST
I
System reset signal input from the reset signal generator (IC403) “L”: reset
41
VSS
—
Ground terminal
42
XTAL
I
Main system clock input terminal (8 MHz)
43
EXTAL
O
Main system clock input terminal (8 MHz)
44
FL-RST
O
Reset signal output to the fluorescent tube display drive IC (IC601)
45
FL-CS
O
Chip enable signal output to the fluorescent tube display drive IC (IC601)
46
FL-DATA
O
Serial data output to the fluorescent tube display drive IC (IC601)
47
FL-CLK
O
Serial data transfer clock signal output to the fluorescent tube display drive IC (IC601)
48
SELECT-GND
I/O
Destination setting terminal Fixed at “H” in this set
49
SELECT
I
Destination setting terminal
50
NC
—
Not used
• MAIN BOARD IC401 CXP740096-044Q (SYSTEM CONTROL)
– 38 –
Pin No.
Pin Name
I/O
Pin Description
51
KEY-C4A
I
Key input terminal
52
AVSS
—
Ground terminal (for A/D converter)
53
AVREF
—
Reference voltage (+3.3V) input terminal (for A/D converter)
54
AVDD
—
Power supply terminal (+3.3V) (for A/D converter)
55 – 58
KEY C3A – C0A
I
Key input terminal
59
3.3V-SHORT
I
AU 7.5V short test pin
60 – 62
KEY AD2 – AD0
I
Key input terminal (A/D input) (TOP board)
63
MD-PDOWN
O
Power down signal output to the MD mechanism controller (IC601) “L”: remove the AC
power cord
64
MD-SRTS
O
System controller busy status monitor output to the MD mechanism controller (IC601)
65
MD-SCTS
I
MD mechanism controller busy status monitor input from the MD mechanism controller (IC601)
66
MD-RST
O
Power supply on/off control signal output for the MD mechanism controller (IC601)
”H”: power on
67
MD-H
O
MD play control signal output to the A/D, D/A converter (IC603) “L”: MD playback mode
68
REC-H
O
MD REC control signal output to the A/D, D/A converter (IC603) “L”: MD recording mode
69
MD-SRXD
O
UART communication data input from the MD mechanism controller (IC601)
70
MD-STXD
I
UART communication data output to the MD mechanism controller (IC601)
71, 72
NC
—
Not used
73
CD-12/8
O
Servo setting when CD operates faster.
74
CD-HISPEED
O
CD higher speed setting
75
CD-POWER
O
CD servo system power supply on/off control signal output “H”: power on
76
CD-MUTE
O
Muting on/off control signal output for the CD playback signal “H”: muting on
77
NC
—
Not used
78
CD-CSOR
I
Subcode sync (S0+S1) detection signal input from the CD DSP IC (IC702)
79
CD-SQSO
I
Subcode Q data input from the CD DSP IC (IC702)
80
CD-XRST
O
Reset signal output to the CD RF AMP (IC701), CD DSP IC (IC702)
81
CD-SQCK
O
Subcode Q data reading clock signal output to the CD DSP IC (IC702)
82
CD-SENSE1
I
Internal status (SENSE) input from the CD DSP IC (IC702)
83
CD-DATA
O
Serial data output to the CD DSP IC (IC702)
84
CD-XLAT
O
Serial data latch pulse signal output to the CD DSP IC (IC702)
85
RMC
I
Sircs remote control signal input from the remote control receiver (IC602)
86
TEX
O
Sub system clock output terminal (32.768 kHz)
87
TX
I
Sub system clock input terminal (32.768 kHz)
88
VSS
—
Ground terminal
89
VDD
—
Power supply terminal (+3.3V)
90
NC
—
Not used
91
CD-CLK
O
Serial data transfer clock signal output to the CD DSP IC (IC702)
92
CD-SENSE2
I
Internal status (SENSE) input from the CD DSP IC (IC702)
93
CD-FOK
I
Focus OK signal input terminal (Not used (open))
94
STBY-CTR
O
Power saving mode selection “H”: normal, “L”: Power saving mode
95
ACCHK
I
AC power supply detection signal input “L”: AC in
96
NC
—
Not used
97
PCON
O
Power on/off control signal output “L”: standby mode, “H”: power on
98
AMUTE
O
Audio muting on/off control signal output “L”: muting on
99
TU-LED
I
Input the signal for band tuning check from the tuner IC.
100
NC
—
Not used
– 39 –
Pin No.
Pin Name
I/O
Pin Description
1, 2
DAOUT0, DAOUT1
O
Not used (open)
3 – 5
KEY0 – KEY2
I
Key input terminal (A/D input) Not used (fixed at “H”)
6
CHACK-IN
I
Detection input from the disc chucking-in detect switch “L: chucking
Not used (fixed at “H”)
7
PACK-IN
I
Detection input from the loading-in detect switch
“L” at a load-out position, others: “H” Not used (fixed at “H”)
8
PACK-OUT
I
Detection input from the loading-out detect switch (S602)
“L” at a load-out position, others: “H”
9, 10
NC
—
Not used (fixed at “L”)
11
AVSS
—
Ground terminal
12
XINT
I
Interrupt status input from the CXD2654R (IC121)
13
PDOWN
I
Power down detection signal input terminal “L”: power down, normally: “H”
14
NC
—
Not used (fixed at “L”)
15
SQSY
I
Subcode Q sync (SCOR) input from the CXD2654R (IC121)
“L” is input every 13.3 msec Almost all, “H” is input
16
DQSY
I
Digital In U-bit CD format subcode Q sync (SCOR) input from the CXD2654R (IC121)
“L” is input every 13.3 msec Almost all, “H” is input
17 – 19
NC
—
Not used (fixed at “L”)
20
SYS-RST
I
System reset signal input from the reset switch (Q604) “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
21
TEST
I
Setting terminal for the test mode Not used (fixed at “L”)
22
+3.3V
—
Power supply terminal (+3.3V)
23
VBAT
I
Power supply for the internal real time clock and RAM
24
XOUT-T
O
Sub system clock output terminal (32.768 kHz)
25
XIN-T
I
Sub system clock input terminal (32.768 kHz)
26
GND
—
Ground terminal
27
XOUT
O
Main system clock output terminal (12 MHz)
28
XIN
I
Main system clock input terminal (12 MHz)
29
EXMEM
I
Setting terminal external ROM mode or internal ROM mode “L”: internal ROM mode
(fixed at “L”)
30
S1
—
Not used (open)
31
NC
—
Not used (fixed at “L”)
32
SENS
I
Internal status (SENSE) input from the CXD2654R (IC121)
33
SHOCK
I
Track jump detection signal input from the CXD2654R (IC121)
34, 35
NC
—
Not used (fixed at “L”)
36
STB
O
Relay drive signal output for the power on/off “L”: standby mode, “H”: relay on
37
REC P
I
Detection input from the recording position detect switch (S601) “L” active
38
PB P
I
Detection input from the playback position detect switch (S604) “L” active
39
LD-LOW
O
Loading motor drive voltage control signal output for the loading motor driver (IC602)
“H” active
40
NC
—
Not used (open)
41
MNT2 (XBUSY)
I
Busy status signal input from the CXD2654R (IC121)
42
MNT3 (SLOCK)
I
Spindle servo lock status monitor signal input from the CXD2654R (IC121)
43
LED0
O
LED drive signal output terminal “L”: LED on Not used (open)
44, 45
NC
—
Not used (fixed at “L”)
46
RST-LOW
—
Not used (open)
47
GND
—
Ground terminal
• DG BOARD IC601 RU8X13MF-0102 (MD MECHANISM CONTROLLER)
– 40 –
Pin No.
Pin Name
I/O
Pin Description
48
+3.3V
—
Power supply terminal (+3.3V)
49
SNG/CHG
—
Not used (fixed at “L”)
50, 51
JOG1, JOG0
I
JOG dial pulse input Not used (fixed at “L”)
52
SDA
I/O
Two-way data bus with the EEPROM (IC171)
53
SCL
O
Clock signal output to the EEPROM (IC171)
54
2M/4M
I
Select whether D-RAM capacitance 2M bit or 4M bit “L”: 4M bit (external D-RAM), “H”:
2M bit (internal D-RAM of IC121 CXD2654R) (fixed at “H” in this set)
55, 56
NC
—
Not used (fixed at “L”)
57
RXD (UART)
I
UART communication data input from the system controller (IC401)
58
TXD (UART)
O
UART communication data output to the system controller (IC401)
59
RTS
I
RTS (Request To Send) input from the system controller (IC401)
60
CTS
O
CTS (Clear To Send) output to the system controller (IC401)
61, 62
AUBIT0, AUBIT1
—
Not used (fixed at “L”)
63, 64
CLKSET0,
I
Clock destination setting terminal (fixed at “L”)
CLKSET1
65
GND
—
Ground terminal
66
+3.3V
—
Power supply terminal (+3.3V)
67
SCLK
O
Serial clock signal output to the CXD2654R (IC121)
68
SWDT
O
Writing data output to the CXD2654R (IC121)
69
SRDT
I
Reading data input from the CXD2654R (IC121)
70
EMP
O
Emphasis control signal output to the A/D, D/A converter (IC603) when recording mode
71
SCK1
O
Display serial clock signal output terminal Not used (open)
72
SOUT1
O
Display serial data output terminal Not used (open)
73
SIN1
O
Chip select signal output for the display Not used (open)
74
CSB
I
Not used (fixed at “H”)
75
LDON
O
Laser diode on/off control signal output to the automatic power control circuit “H”: laser on
76
PIT/GRV
O
Pit/groove detection signal output terminal
“H”: is output for the playback only disc or TOC area Not used (open)
77
FOK
I
Focus OK signal input from the CXD2654R (IC121)
“H” is input when focus is on (“L”: NG)
78
NC
—
Not used (open)
79
LOCK
O
Lock signal output terminal Not used (open)
80
WRPWR
O
Laser power select signal output to the CXD2654R (IC121) and HF module switch circuit
“L”: playback mode, “H”: recording mode
81
DIG-RST
O
Reset signal output to the CXD2654R (IC121) and BH6511FS (IC152) “L”: reset
82
NC
—
Not used (open)
83
DA-RST
O
Reset signal output to the A/D, D/A converter (IC603) “L”: reset
84
DSEL-A
—
Not used (open)
85
DSEL-B
—
Not used (open)
Laser modulation select signal output to the HF module switch circuit
Stop: “L”, Playback power: “H”,
Recording power:
Stop: “L”, Playback power: “H”,
Recording power:
86
MOD
O
0.5 sec
2 sec
Click on the first or last page to see other ZS-M35 (serv.man2) service manuals if exist.