Sony HCD-GTR33 Service Manual page 48

HCD-GTR33/GTR55/GTR77
Pin No. Pin Name
54 STBY RELAY
55 NO-USE
56 NO-USE
57 MTK-VBUS-DET
58 LINE-MUTE
59 R2A15216FP-CLK
60 R2A15216FP-DATA
61 ST-TUNED
62 VCC
63 ST-CE
64 VSS
65 ST-DIN
66 MIC/HP_DET
67 ST-DOUT
68 MTK-OC1
69 LED CTRL
70 TC-STATE
71 ILLUMINATOR-INPUT
72 METER-IN4
73 MTK-OC2
POWER/DISPLAY-
74
KEY
75 NO-USE
76 NO-USE
77 METER-IN3
78 METER-IN1
79 METER-IN2
80 USB-B LED
81 METER SW
82 MTK PWR MON
83 OVERVOLTAGE
84 AD-KEY2
85 MASTER VOL
86 LED-VOL1,2
87 AD-KEY1
OUTPUT LEVEL
88
DETECT
89 VACS-IN
90 LED-VOL5,6
91 LED-VOL3,4
92 MODEL-IN
93 DEST-IN
94 SW LED/USB A LED
95 STBY LED
96 AVSS
97 AD-KEY0
98 AREF
99 AVCC
100 NO-USE
48
I/O
O Main power on/off control signal output "H":power on
- Unused
- Unused
O Hub Power (V-DET) Control Port
O Line muting on/off control signal "L":muting on
O Serial data transfer clock signal output to audio signal processor, R2A15216FP
O Serial data output to audio signal processor, R2A15216FP
I Tuned detection input from the tuner unit
- Power supply terminal (+3.3V)
O PLL chip enable signal output to the tuner unit
- Ground terminal
O PLL serial data output to the tuner unit
I Headphone & microphone connection detection signal input (A/D input)
I PLL serial data input from the tuner unit
I USB Overcurrent Detection input port 1
O Dynamic LED drive select signal output
Tape playback/recording/stop status detection input signal (A/D input) (Only for African
I
model)
I Power illuminator & METER input signal detection (A/D input)
O Meter motor control signal output 4 (Only for HCD-GTR55 and HCD-GTR77)
I USB Overcurrent Detection input port 2
I POWER & DISPLAY key press detection signal (Interrupt input)
- Unused
- Unused
O Meter motor control signal output 3 (Only for HCD-GTR55 and HCD-GTR77)
O Meter motor control signal output 1 (Only for HCD-GTR55 and HCD-GTR77)
O Meter motor control signal output 2 (Only for HCD-GTR55 and HCD-GTR77)
O Dynamic LED drive signal output to the USB B Blue and Red LED "H":LED on
Min and Max switch input signal from METER (A/D input) (Only for HCD-GTR55 and
I
HCD-GTR77)
I MTK DMB Board power monitor input pin (A/D input)
I Over-voltage protection detection input terminal "L": over-voltage detected
I Key input terminal (A/D input)
I Jog dial pulse input from the MASTER VOLUME encoder (A/D input)
Dynamic LED drive signal output to the ILLUMINATION 1st indicator and 2nd indicator
O
"H":LED on
I Key input terminal (A/D input)
I Speaker Output Level Detection
I VACS level detection signal (A/D input)
Dynamic LED drive signal output to the ILLUMINATION 5th indicator and 6h indicator
O
"H":LED on
Dynamic LED drive signal output to the ILLUMINATION 3rd indicator and 4th indicator
O
"H":LED on
I Model setting terminal (A/D input)
I Destination setting terminal (A/D input)
Dynamic LED drive signal output to the Subwoofer LED and USB A LED indicator "H":LED
O
on
O LED drive signal output of POWER indicator "H":LED on
- Ground terminal (for A/D conversion)
I Key input terminal (A/D input)
I A/D Converter reference voltage input terminal (+3.3V)
- Power supply terminal (+3.3V) (for A/D conversion)
- Unused
Description