ZS-E5 (serv.man2) - Sony Audio Service Manual (repair manual). Page 11

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ZS-E5
ZS-E5
11
11
•  Circuit Boards Location
MAIN board
LEAF SWITCH board
AUDIO IN board
VOLUME board
BATT1 board
BATT2 board
LED board
•  IC Pin Function Description
MAIN  BOARD  IC201  TC94A58FG-025 (S.D) (SYSTEM  CONTROLLER, DSP)
Pin No.
Pin Name
I/O
Description
1
AC_IN
I
Wakeup the system from the Hold mode  "H": Active, "L": Normal
2
POWER_ON
O
CD & AMP power control  "H": ON, "L": OFF
3
HOLD_VCC
I
Low voltage detection for VCC  "H": Normal, "L": Low voltage
4
KEY_AD1
I
Key scan input (SKIP-: 0V, PLAY/PAUSE: 1V)
5
KEY_AD2
I
Key scan input (SKIP+: 0V, STOP: 1V)
6
V_DET
I
Low voltage detection for battery
7
LIMIT_SW
I
Detect CD LID and INNER status  Lid opened: 0 - 0.3 V, Lid closed and slide in: 1.1 - 1.9 V
8
MVDD
-
Power supply terminal (+3.3V)
9
MVSS
-
Ground terminal
10
GVSW_OUT
O
CD-RW level control  "H": for CD-R, "L": for CD-RW
11
P11
I/O
Not used
12
TUNER_IN
I
Detect Tuner supply "H": Tuner supply on, "L": Tuner supply off
13
DRV_MUTE
O
Mute motor driver  "H": Mute off, "L": Mute: on
14
AUDIO_MUTE
O
Mute amplifi er  "H": Mute on, "L": Mute off
15
DRV_RST_IN
I
Detect RST pin of motor driver  "H": Normal, "L": Abnormal
16
P16
I/O
Not used
17
PDO
O
Output pin for phase error signal between the EFM and PLCK signals
18
TMAX
O
TMAX detection result output terminal
19
LPFN
I
Inverted input pin for PLL low-pass fi lter amplifi er
20
LPFO
O
Output pin for PLL low-pass fi lter amplifi er
21
VCOF
-
VCO fi lter terminal
22
AVSS
-
Ground terminal
23
SLCO
O
D/A converter output for generating data silence level
24
RFI
I
RF signal input from the digital servo head amplifi er
25
AVDD
-
Power supply terminal (+3.3V)
26
VREF
-
Reference voltage terminal
27
RFZI
I
Input terminal for RFRP signal zero cross
28
RFRP
I
RF ripple signal input from the digital servo head amplifi er
29
FEI
I
Focus error signal input from the digital servo head amplifi er
30
SBAD
I
Sunbeem addition signal input from the digital servo head amplifi er
31
TEI
I
Tracking error signal input from the digital servo head amplifi er
32
TEZI
I
Tracking error/zero cross input from the digital servo head amplifi er
33
FOO
O
Focus equalizer output to the coil/motor driver
34
TRO
O
Tracking equalizer output to the coil/motor driver
35
RFGC
O
RF amplitude adjustment control signal output to the digital servo head amplifi er
36
TEBC
O
Tracking balance control signal output to the digital servo head amplifi er
37
AEC
O
Automatic power control circuit on/off control signal output to the digital servo head amplifi er
38
FMO
O
Feed equalizer output to the coil/motor driver
39
DMO
O
Disc equalizer output to the coil/motor driver
40
CVDD
-
Logic power supply for the CD processor block and 16.9344MHz dedicated crystal oscillator
41
XO
O
System clock (for CD) output terminal (16.9344 MHz)
42
XI
I
System clock (for CD) output terminal (16.9344 MHz)
43
CVSS
-
Logic power supply for the CD processor block and 16.9344MHz dedicated crystal oscillator
44
DVDD
-
Power supply terminal (+3.3V)
45
RO
O
R-channel data forward rotation output
46
DVSS
-
DA converter block ground
47
LO
O
L-channel data forward rotation output
48
DVR
-
Reference voltage terminal
49
RESET
I
System reset signal input terminal
50
MXI
I/O
Not used
51
MXO
I/O
Not used
52, 53
P52, P53
I/O
Not used
54, 55
LED_COM1, LED_
COM2
O
Common drive signal output to the LED display panel
56 to 62
LED_SEG1 to LED_
SEG7
O
Segment drive signal output to the LED display panel
63, 64
P63, P64
I/O
Not used
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