Sony HCD-GZR888D / HCD-GZR999D / MHC-GZR888D / MHC-GZR999D Service Manual ▷ View online
HCD-GZR888D/GZR999D
73
• IC Pin Function Descriptions
DMB19 BOARD (2/4) IC101 CXD9971R(LE)
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM PROCESSOR, DIGITAL SERVO PROCESSOR)
(CD/DVD RF AMP, FOCUS/TRACKING ERROR AMP, DVD SYSTEM PROCESSOR, DIGITAL SERVO PROCESSOR)
Pin No.
Pin Name
I/O
Description
1
RF_A
I
RF main beam (C) signal input from the optical pick-up block
2
RF_B
I
RF main beam (B) signal input from the optical pick-up block
3
RF_C
I
RF main beam (A) signal input from the optical pick-up block
4
RF_D
I
RF main beam (D) signal input from the optical pick-up block
5
RF_E
I
RF sub beam (F) signal input from the optical pick-up block
6
RF_F
I
RF sub beam (E) signal input from the optical pick-up block
7
AVDD18_2
—
Power supply pin (+1.8 V)
8
AVDD33_1
—
Power supply pin (+3.3 V)
9
XTALI
I
System clock signal input (27 MHz)
10
XTALO
O
System clock signal output (27 MHz)
11
AGND33
—
Ground
12
V20
O
Reference voltage (+2 V) output for the optical pick-up block
13
V14/VREFO
O
Reference voltage (+1.4 V) output
14
REXT
I
Current reference signal input
15, 16
MDI1, MDI2
I
Laser power monitor signal input from the optical pick-up block
17, 18
LDO1, LDO2
O
Laser diode drive signal output for the optical pick-up block
19
AVDD33_2
—
Power supply pin (+3.3 V)
20
DMO
O
Spindle motor control signal output for the motor driver
21
FMO
O
Sled motor control signal output for the motor driver
22
MUTE4
O
Mute signal output for the coil/motor driver (for spindle motor)
23
MSW
O
CD/DVD select signal output (L: CD, H: DVD)
24
TRO
O
Tracking coil control signal output for the coil driver
25
FOO
O
Focus coil control signal output for the coil driver
26
EEWP
O
Write enable signal output for the EEPROM
27, 28
USB_DP, USB_DM
I/O
Two-way audio serial data input/output with the USB controller
29
VDD33_USB
—
Power supply pin (+3.3 V)
30
VSS33_USB
—
Ground
31
PAD_VRT
I/O
USB generating reference current signal input/output
32
VDD18_USB
—
Power supply pin (+1.8 V)
33
SCL
O
Serial clock signal output for the EEPROM
34
SDA
I/O
Two-way serial data input/output with the EEPROM
35
IFSDI
I
Serial data input from the system control
36
SF_CS#
O
Chip select signal output for the SF-ROM
37
SF_DO
O
Serial data output for the SF-ROM
38
SF_DI
I
Serial data input from the SF-ROM
39
SF_CK
O
Serial clock signal output for the SF-ROM
40
IFSCK
O
Serial data transfer clock signal output for the system control
41
IFSDO
O
Serial data output for the system control
42
ICE
I
ICE mode enable setting pin (Not used in this set)
43
PRST#
I
Reset signal input from the system control (L: reset)
44
IR
I
IR control signal input (Not used in this set)
45 to 49
RD0 to RD4
I/O
Two-way data bus input/output with the 64M SDRAM
50
DVDD33
—
Power supply pin (+3.3 V)
51 to 53
RD5 to RD7
I/O
Two-way data bus input/output with the 64M SDRAM
54
DVDD18
—
Power supply pin (+1.8 V)
55
DQM0
O
Data mask signal output for the 64M SDRAM
56 to 59
RD15 to RD12
I/O
Two-way data bus input/output with the 64M SDRAM
60
DVSS33
—
Ground
61 to 64
RD11 to RD8
I/O
Two-way data bus input/output with the 64M SDRAM
65
DQM1
O
Data mask signal output for the 64M SDRAM
66
RCLK
O
Clock signal output for the 64M SDRAM
67
RA11
O
Address signal output for the 64M SDRAM
68
DVDD33
—
Power supply pin (+3.3 V)
69 to 74
RA9 to RA4
O
Address signal output for the 64M SDRAM
75
RWE#
O
Write enable signal output for the 64M SDRAM
76
CAS#
O
Column address strobe signal output for the 64M SDRAM
HCD-GZR888D/GZR999D
74
Pin No.
Pin Name
I/O
Description
77
RAS#
O
Row address strobe signal output for the 64M SDRAM
78
BA0
O
Bank address signal output for the 64M SDRAM
79
DVSS18
—
Ground
80
BA1
O
Bank address signal output for the 64M SDRAM
81 to 83
RA10, RA0, RA1
O
Address signal output for the 64M SDRAM
84
DVDD33
—
Power supply pin (+3.3 V)
85, 86
RA2, RA3
O
Address signal output for the 64M SDRAM
87
IFBSY
I
Communication initialization request signal input from the system control
88
IFCS#
O
Communication initialization request acknowledge signal output for the system control
89
RX
—
Not used in this set
90
DVDD18
—
Power supply pin (+1.8 V)
91
TX
—
Not used in this set
92
XMAMUTE
—
Not used in this set
93
SPDIF
O
SPDIF signal output
94
TSDM
I
Thermal shut down signal input from the coil/motor driver
95
DACVDDC
—
Power supply pin (+3.3 V)
96
VREF
I
Band gap reference voltage input
97
FS
I
Full scale adjustment signal input
98
DACVSSC
—
Ground
99
CVBS
O
Composite video signal output
100
DACVDDB
—
Power supply pin (+3.3 V)
101
DACVDDA
—
Power supply pin (+3.3 V)
102
SY/Y/G
O
Component video (Y) signal output
103
SC/CB/B
O
Component video (Pb/Cb) signal output
104
CR/R
O
Component video (Pr/Cr) signal output
105
AADVSS
—
Ground
106
ADIN
I
Audio data input from the A/D converter (for USB)
107
MUTE123
O
Not used in this set
108
LIMITSW
I
Not used in this set
109
AADVDD
—
Power supply pin (+3.3 V)
110
APLLVDD
—
Power supply pin (+3.3 V)
111
APLLCAP
I
External capacitor connecting pin
112
ADACVSS2
—
Ground
113
ADACVSS1
—
Ground
114
ACLK
O
Master clock signal output for the A/D converter and D/A converter
115
ABCK
O
Bit clock signal output for the A/D converter and D/A converter
116
MUTE123
O
Mute signal output for the coil/motor driver (for focus/tracking coil and sled motor)
117
AVCM
I
Audio D/A converter reference voltage input
118
LIMITSW
I
Limit detection switch signal input
119
ALRCK
O
L/R sampling clock signal output for the A/D converter and D/A converter
120
ASDATA0
O
Audio data output for the D/A converter
121
ADACVDD1
—
Power supply pin (+3.3 V)
122
ADACVDD2
—
Power supply pin (+3.3 V)
123
AVDD18_1
—
Power supply pin (+1.8 V)
124
AGND18
—
Ground
125
RFIP
I
AC coupled RF signal input from the optical pick-up block
126
OPOUT
O
AC coupled RF signal output for the optical pick-up block
127
IOPMON
I
Power monitor pin
128
SPFG
I
Spindle motor hall sensor input from the motor driver
HCD-GZR888D/GZR999D
75
MAIN BOARD (1/3) IC501
μPD78F1105GF(S)-GAS-AX (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
IIC SCL
O
IIC clock (GC micon) signal output
2
IIC SDA
O
IIC data (GC micon) signal output
3
O-FRONT-MUTE
O
Front speaker output mute (L: mute ON)
4
O-SW-MUTE
O
Subwoofer output mute (L: mute ON)
5
O-TC-CAPM-CNT
O
Capstan motor control signal output (Except E2, E51, AR, MX model)
6
O-TC-TRIG
O
Tape deck trigger plunger control signal output (Except E2, E51, AR, MX model)
7
I-TC-SHUT
I
Tape deck shut off control signal input (Except E2, E51, AR, MX model)
8
O-DVD-POWER
O
DMB19 board power supply control signal output
9
O-iPod/WM-POWER
O
iPod adaptor power supply control signal output (H: power supply) (Not used in this set)
10
O-USB-POWER
O
USB power supply control signal output
11
O-GC/LCD-RESET
O
LCD reset signal output
12
I-TU-RDS-INT
I
Tuner RDS initial setting signal input (Not used in this set)
13
I-AC-CUT
I
AC cut decision signal input (L: AC cut)
14
NC
O
Not used (Open)
15
O-AUDIO_IC-DATA
O
R2A15216FP (IC101) communication (Data) signal output
16
O-AUDIO_IC-CLK
O
R2A15216FP (IC101) communication (Clock) signal output
17
O-TC-REC/PB_SW
O
Tape deck control signal output (Except E2, E51, AR, MX model)
18
O-TC-REC-MUTE
O
Tape deck recording mute signal output (Except E2, E51, AR, MX model)
19
O-TC-REC-BIAS
O
Recording bias control signal output (Except E2, E51, AR, MX model)
20
EVSS1
—
Ground
21
O-STK-MUTE
O
Front speaker output mute signal output (L: mute)
22
I-iPod/WM-OVER-
CURRENT
I
iPod over-current detect signal input (Not used in this set)
23
I-USB-OVER-CURRENT
I
USB over-current detect signal input
24
O-FRONT-SP-RELAY
O
Front speaker relay control signal output (L: relay ON)
25
I-TUNER-RDS
I
Tuner RDS data signal input (Not used in this set)
26
O-TU-DI
O
Tuner IC communication (Data: MCU t TUNER) signal output
27
O-TU-CLK
O
Tuner IC communication (Clock) signal output
28
I-TU-DO
I
Tuner IC communication (Data: MCU T TUNER) signal input
29
O-TU-CE
O
Tuner IC communication (Chip enable) signal output
30
EVDD1
—
Power supply pin (+3.3 V)
31
I-TU-TUNE
I
Tuner tuned data input
32
I-CDM-OPEN
I
Disc tray open signal input (L: open)
33
I-CDM-TBL-ADR-SW
I
Disc tray position signal input
34
O-CDM-TM-F
O
Disc table motor control signal output
35
O-CDM-TM-R
O
Disc table motor control signal output
36
O-CDM-LM-F
O
Disc tray motor control signal output
37
O-CDM-LM-R
O
Disc tray motor control signal output
38
O-SW-SP-RELAY
O
Subwoofer relay control signal output (L: relay ON) (HCD-GZR999D only)
39
O-MTK-A/D-IN-SEL
O
DMB19 board input audio signal control signal output (L: mic, H: audio)
40
I-ACF-DET
I
AC power supply frequency detect signal input
41
O-MTK-MTRST
O
MTK IC reset signal output (L: reset)
42
I-DVD-XIFS
I
DMB19 board communication signal input
43
O-MTK-IFBSY
O
DMB19 board communication (Interface busy) signal output
44
O-MTK-DATA
O
DMB19 board communication (Data: MCU t DMB19 board) signal output
45
I-MTK-DATA
I
DMB19 board communication (Data: MCU T DMB19 board) signal input
46
I-MTK-CLK
I
DMB19 board communication (Clock) signal input
47
AVREF1
—
Analog reference voltage (+3.3 V)
48
O-FAN
O
Fan motor control signal output (Not used in this set)
49
O-STBY-RELAY
O
Main power relay signal output (H: relay ON)
50
AVREF0
—
Analog reference voltage (+3.3 V)
51
AVSS
—
Analog ground
52
I-POWER-
MONITOR(ACP)
I
Main power monitor signal input
53
I-MODEL
I
Model identifi cation signal input
54
I-DESTINATION
I
Destination identifi cation signal input
55
DVD-POWER-
MONITOR(3.3V)
I
MTK board power monitor signal input
56
I-CDM-ENC(E1,E2,E3)
I
Disc tray signal input
HCD-GZR888D/GZR999D
76
Pin No.
Pin Name
I/O
Description
57
I-MIC/HP-DET
I
Mic in/headphone signal input
58
I-VACS
I
Tape deck VACS signal input
59
I-ILLUMINATION
I
Audio level signal input for illumination
60
I-TC-STAT(HALF/
REC-FWD)
I
Tape deck signal input
61
I-VOL
I
Volume signal input
62
I-KEY4
I
Key 4 signal input
63
I-KEY3
I
Key 3 signal input
64
I-KEY2
I
Key 2 signal input
65
I-KEY1
I
Key 1 signal input
66
I-PROTECT
I
Thermal protect detect signal input
67
NC
O
Not used (Open)
68
O-LED-STBY
O
STANDBY LED control signal output (H: light ON)
69
O-S/P-RESET
O
LED control IC reset signal output
70
O-S/P-CLK
O
LED control IC communication (Clock) signal output
71
O-S/P-OE
O
LED control IC communication (Output enable) signal output
72
O-S/P-DATA
O
LED control IC communication (Data: MCU t Control IC) signal output
73
NC
O
Not used (Open)
74
I-iPod-OPERATION-
MODE
I
iPod micon communication (Operation mode) signal input (Not used in this set)
75
O-iPod-NTSC/PAL
O
iPod micon communication (Color system) signal output (Not used in this set)
76
O-iPod-DATA(TxD)
O
iPod micon communication (Data: MCU t iPod micon) signal output (Not used in this set)
77
I-iPod-DATA(RxD)
I
iPod micon communication (Data: MCU T iPod micon) signal input (Not used in this set)
78
O-iPod-RESET
O
iPod micon reset signal output (Not used in this set)
79
O-USB-BLUE
O
USB illuminator LED (Blue) control signal output
80
O-USB-RED
O
USB illuminator LED (Red) control signal output
81
I-SIRCS
I
Remote control signal receiver sircs signal input
82
I-DISPLAY-KEY
I
Display key interrupt signal input
83
I-POWER-KEY
I
Power key interrupt signal input
84
O-A/D-PULL-UP
O
A/D pull-up detect signal output
85, 86
O-VIDEO-SW-A,
O-VIDEO-SW-B
O
Video output selector (SW-A, SW-B) signal output (L, L: iPod), (L, H: mute), (H, L: VIDEO/
SAT), (H, H: DMB19 board)
SAT), (H, H: DMB19 board)
87
O-VIDEO-MUTE
O
Video mute signal output
88
O-VIDEO-I/P
O
COMPONENT VIDEO OUT select signal output (L: progressive, H: interlace)
89
SI/SO
I/O
Data input/output for fl ash programmer
90
RESET
I
System reset signal input
91
XT2
I
Sub system clock signal input (32.768 kHz)
92
XT1
O
Sub system clock signal output (32.768 kHz)
93
FLMD0
I
FL mode setting signal input
94
X2
I
Main system clock signal input (20 MHz)
95
X1
O
Main system clock signal output (20 MHz)
96
REGC
—
Regulator ripple capacitor connecting
97
VSS
—
Ground
98
EVSS
—
Ground
99
VDD
—
Power supply pin (+3.3 V)
100
EVDD0
—
Power supply pin (+3.3 V)
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