Sony ZS-M35 Service Manual ▷ View online
– 37 –
Pin No.
Pin Name
I/O
Pin Description
46
XRAS
O
Row address strobe signal output to the D-RAM (IC124) “L” active
47
XWE
O
Write enable signal output to the D-RAM (IC124) “L” active
48
D1
I/O
49
D0
I/O
Two-way data bus with the D-RAM (IC124)
50
D2
I/O
51
D3
I/O
52
MVCI
I (S)
Digital in PLL oscillation input from the external VCO Not used (fixed at “L”)
53
ASYO
O
Playback EFM full-swing output terminal
54
ASYI
I (A)
Playback EFM asymmetry comparator voltage input terminal
55
AVDD
—
Power supply terminal (+3.3 V) (analog system)
56
BIAS
I (A)
Playback EFM asymmetry circuit constant current input terminal
57
RFI
I (A)
Playback EFM RF signal input from the CXA2523AR (IC101)
58
AVSS
—
Ground terminal (analog system)
59
PCO
O (3)
Phase comparison output for master clock of the recording/playback EFM master PLL
60
FILI
I (A)
Filter input for master clock of the recording/playback master PLL
61
FILO
O (A)
Filter output for master clock of the recording/playback master PLL
62
CLTV
I (A)
Internal VCO control voltage input of the recording/playback master PLL
63
PEAK
I (A)
Light amount signal (RF/ABCD) peak hold input from the CXA2523AR (IC101)
64
BOTM
I (A)
Light amount signal (RF/ABCD) bottom hold input from the CXA2523AR (IC101)
65
ABCD
I (A)
Light amount signal (ABCD) input form the CXA2523AR (IC101)
66
FE
I (A)
Focus error signal input from the CXA2523AR (IC101)
67
AUX1
I (A)
Auxiliary signal (I
3
signal/temperature signal) input from the CXA2523AR (IC101)
68
VC
I (A)
Middle point voltage (+1.65 V) input from the CXA2523AR (IC101)
69
ADIO
O (A)
Monitor output of the A/D converter input signal Not used (open)
70
AVDD
—
Power supply terminal (+3.3 V) (analog system)
71
ADRT
I (A)
A/D converter operational range upper limit voltage input terminal (fixed at “H” in this set)
72
ADRB
I (A)
A/D converter operational range lower limit voltage input terminal (fixed at “L” in this set)
73
AVSS
—
Ground terminal (analog system)
74
SE
I (A)
Sled error signal input from the CXA2523AR (IC101)
75
TE
I (A)
Tracking error signal input from the CXA2523AR (IC101)
76
DCHG
I (A)
Connected to the +3.3 V power supply
77
APC
I (A)
Error signal input for the laser automatic power control Not used (fixed at “H”)
78
ADFG
I (S)
ADIP duplex FM signal (22.05 kHz ± 1 kHz) input from the CXA2523AR (IC101)
79
F0CNT
O
Filter f0 control signal output to the CXA2523AR (IC101)
80
XLRF
O
Serial data latch pulse signal output to the CXA2523AR (IC101)
81
CKRF
O
Serial data transfer clock signal output to the CXA2523AR (IC101)
82
DTRF
O
Writing serial data output to the CXA2523AR (IC101)
83
APCREF
O
Control signal output to the reference voltage generator circuit for the laser automatic power
control
84
LDDR
O
PWM signal output for the laser automatic power control Not used (open)
85
TRDR
O
Tracking servo drive PWM signal (–) output to the BH6511FS (IC152)
86
TFDR
O
Tracking servo drive PWM signal (+) output to the BH6511FS (IC152)
87
DVDD
—
Power supply terminal (+3.3 V) (digital system)
88
FFDR
O
Focus servo drive PWM signal (+) output to the BH6511FS (IC152)
89
FRDR
O
Focus servo drive PWM signal (–) output to the BH6511FS (IC152)
90
FS4
O
Clock signal (176.4 kHz) output terminal (X’tal system) Not used (open)
– 38 –
Pin No.
Pin Name
I/O
Pin Description
91
SRDR
O
Sled servo drive PWM signal (–) output to the BH6511FS (IC152)
92
SFDR
O
Sled servo drive PWM signal (+) output to the BH6511FS (IC152)
93
SPRD
O
Spindle servo drive PWM signal (–) output to the BH6511FS (IC152)
94
SPFD
O
Spindle servo drive PWM signal (+) output to the BH6511FS (IC152)
95
FGIN
I (S)
96
TEST1
I
Input terminal for the test (fixed at “L”)
97
TEST2
I
98
TEST3
I
99
DVSS
—
Ground terminal (digital system)
100
EFMO
O
EFM signal output terminal when recording mode
* I (S) stands for schmitt input, I (A) for analog input, O (3) for 3-state output, and O (A) for analog output in the column I/O.
– 39 –
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 Used for the AEP, UK models
8
NC
—
Not used
9
RDS-CLK
I
RDS serial data transfer clock signal input from the RDS decoder Used for the AEP, UK models
10
TU-MUTE
O
Muting on/off control signal output for the tuner signal “L”: 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 (A/D input)
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 “L”: power on L: standby, H: 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
• IC401 CXP740096-043Q (SYSTEM CONTROL)
– 40 –
Pin No.
Pin Name
I/O
Pin Description
51
KEY-C4A
I
Key input terminal (A/D input)
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 (A/D input)
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 “L”: power on
76
CD-MUTE
O
Muting on/off control signal output for the CD playback signal “L”: 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 “H”: muting on
99
TU-LED
I
Input the signal for band tuning check from the tuner IC.
100
NC
—
Not used
Click on the first or last page to see other ZS-M35 service manuals if exist.