Sony XP-ZR810 Service Manual page 38

XP-ZR810
• IC801 TMP91CY28FG-5CH5 SYSTEM CONTROL (MAIN Board)
Pin No. Pin Name
1 GND
2 GND
3 VCPU
4 XRST_O
5 PWM_O
6 BEEP_O
7 AMUTE_O
8 LINEOUT_I
9 OPTOUT_I
1O FG_I
11 REQ_I
12 HG-XSTB_O
13 HG-GUP_O
14 RE1_I
15 RE2_I
16 LCDREQ_O
17 SDXLAT_O
18 SDCLK_O
19 SDOUT_O
20 SDIN_I
21 DTS_SDTO
22 DTS_SDTI
23 DTS_SCK
24 AMO_I
25 VCPU
26 XOUT
27 GND
28 XIN
29 AM1_I
30 XRESET_I
31 TSB
32 XWAKE_O
33 EMU0_O
34 EMU1_O
35 ACKCD_I
36 WAKE
37 LID-SW_I
38 EXTBAT_I
39 XLCD_CJK_I
40 HOLD_I
41 XCE_CEL_I
42 TEST_I
43 NC
44 to 51 AD0 to AD7
52 FOK_I
53 GFS_I
54 TUPWRON_O
55 CDON_O
56 AUD_SEL
57 CHGGND_ON_O
38
I/O
— Ground terminal
— Ground terminal
— Power supply terminal (+2.0 V)
O System reset signal output
O Power on/off signal output (not used (open))
O Beep signal output
O Mute signal output to the CXD3048R
I Not used (open)
I Not used (open)
I Motor flag monitor input from the TB2138AFG
I REQ signal input from the CXA710160
O Strobe signal output to optical pick up block
O Gain-up signal output to optical pick up block
I Encode signal input from jog dial (not used (open))
I Encode signal input from jog dial (not used (open))
O LCD request signal output
O Data latch signal output to the CXD3048R
O Serial clock output to the EEPROM
O Serial data output to the EEPROM
I Serial data input from the EEPROM
O Serial data output
I Serial data input
O Serial data transfer clock output
I Not used (fixed at "H")
— Power supply terminal (+2.0 V)
O Not used (open)
— Ground terminal
I System clock signal input
I Not used (fixed at "H")
I System reset signal input from the TB2138AFG
I TSB signal input from headphones with remote controller (not used (open))
O WAKE-UP signal output to the TB2138AFG
O Not used (open)
O Not used (open)
I CD acknowledge and status signal input
I KEY interrupt signal input
I CD Iid switch signal input
I Not used (fixed at "L")
I Not used (open)
I HOLD switch signal input
I Not used (open)
I Test mode setting input
— Not used (open)
I/O Address and data input/output to the LCD unit
I Focus OK signal input from the CXD3048R
I GFS signal input from the CXD3048R
O Tuner power on/off control signal output
O CD ON request signal output
O Audio input selection signal output to the headphone amplifier
O Not used (pull down)
Description