Sony MEX-GS610BE Service Manual page 44

MEX-GS610BE/GS610BT/N6050BT
MAIN BOARD IC705 TC94A99FG-003 (SYCH (RF AMP, DIGITAL SERVO PROCESSOR, AUDIO DSP)
Pin No. Pin Name
1 LPFO
2 PVREF
3 VCOF
4 RVSS3
5 VCOI
6 RVDD3
7 SLCO
8 RFI
9 RFRPI
10 RFEQO
11 DCOFC
12 AGCI
13 RFO
14 RVSS3
15 FNI2
16, 17 FNI1, FPI2
18 FPI1
19 VDD1-1
20 TPI
21 TNI
22 VRO
23 AVSS3
24 MDI
25 LDO
26 FSMONIT
27 RFZI
28 RFRP
29 TEI
30 AVDD3
31 FOO
32 TRO
33 VSS-1
34 FMO
35 DMO
36 VDDM1
37 /SRAMSTB
38 VDD1-2
39 VDD3-1
40, 41 PIO10, PIO11
42 SDIN_R
43 BCK_IN_R
44 LRCK_IN_R
45 SDOUT_CH0
46, 47 PIO16, PIO17
48 LRCK_OUT
49 BCK_OUT
50 PIO20
51 DVDD12
52 DAO1 (R_R-CH)
53 DVSS12
54 DAO2 (F_R-CH)
55 DVREF
56 DVDD34
57 DAO3 (F_L-CH)
58 DVSS34
59 DAO4 (R_L-CH)
60 DVDD5
61 DAO5 (SUB-CH)
44
I/O
O PLL circuit low-pass fi lter amplifi er output terminal
- PLL circuit reference voltage (+1.65V) terminal
O VCO fi lter terminal
- Ground terminal
I DSP VCO control voltage input terminal
- Power supply terminal (+3.3V)
O EFM slice level output terminal
I RF signal input terminal
I RF ripple signal input terminal
O RF equalizer circuit output terminal
O RF equalizer offset compensation low-pass fi lter output terminal
I RF signal auto gain control amplifi er input terminal
O RF signal generation amplifi er output terminal
- Ground terminal
I Main beam (B) input from the CD mechanism deck block
I Main beam (C) input from the CD mechanism deck block
I Main beam (A) input from the CD mechanism deck block
- Power supply terminal (+1.5V)
I Sub beam (F) input from the CD mechanism deck block
I Sub beam (E) input from the CD mechanism deck block
O Reference voltage (+1.65V) output to the CD mechanism deck block
- Ground terminal
I Laser power detection signal input from the CD mechanism deck block
O Laser power control signal output the CD mechanism deck block
O Not used
I RF ripple zero-cross signal input terminal
O RF ripple signal output terminal
O Tracking error signal output terminal
- Power supply terminal (+3.3V)
O Focus coil control signal output to the CD mechanism deck block
O Tracking coil control signal output to the CD mechanism deck block
- Ground terminal
O Sled motor control signal output to the CD mechanism deck block
O Spindle motor control signal output to the CD mechanism deck block
- Power supply terminal (+1.5V)
I Standby signal input from the system controller
- Power supply terminal (+1.5V)
- Power supply terminal (+3.3V)
I/O Not used
I Audio data input from the system controller
I Bit clock signal input from the pin 49 (BCK_OUT)
I L/R sampling clock signal input from the pin 48 (LRCK_OUT)
O Audio data output to the system controller
I/O Not used
O L/R sampling clock signal output to the system controller
O Bit clock signal output to the system controller
I/O Not used
- Power supply terminal (+3.3V)
O Audio signal (rear R-ch) output to the electrical volume
- Ground terminal
O Audio signal (front R-ch) output to the electrical volume
- Reference voltage terminal
- Power supply terminal (+3.3V)
O Audio signal (front L-ch) output to the electrical volume
- Ground terminal
O Audio signal (rear L-ch) output to the electrical volume
- Power supply terminal (+3.3V)
O Audio signal (sub-ch) output to the electrical volume
Description
"L": standby