Sony HCD-ZX66i Service Manual page 69

Pin No. Pin Name
61 EEPROM CLK
62 VCC
63 NO USE
64 VSS
65 AUDIO1 DATA
66 AUDIO1 CLK
67 AUDIO2 DATA
68 AUDIO2 CLK
69 SOFT TEST
70 NO USE
71 GC RESET
72 SURR RELAY
73 DISPLAY KEY
74 POWER KEY
75 IPOD DETECT
76 STBY LED
77 HP DET
78 FR RELAY
79 HP MUTE
80 STK MUTE
81 PROTECT
82 ST CLK
83 ST DIN
84 ST DOUT
85 ST CE
86 TUNED
87 to 91 NO USE
92 MODEL-IN
93 DEST-IN
94 I-HOLD
95 NO USE
96 AVSS
97 NO USE
98 VREF
99 AVCC
100 MP3-REQ
I/O
I/O EEPROM clock signal input/output
— Power supply terminal (+3.3 V)
I Not Used. (Open)
— Ground terminal
O Serial data output to audio signal processor
O Serial data transfer clock signal output to audio signal processor
O Serial data output to 4-ch volume IC
O Serial data transfer clock signal output to 4-ch volume IC
O Soft test signal output
I Not Used. (Open)
O Reset signal output to Display Control IC (L: reset)
O Relay drive signal output for the surround speakers (H: relay on)
I Display key press detection signal (Interrupt input)
I Power key press detection signal (Interrupt input)
I iPod plug in detection (L: connected, H: disconnected)
O LED drive signal output of POWER indicator (H: LED on)
I Headphone connection detection signal input (H: headphone connected)
O Relay drive signal output for the front speakers (H: relay on)
O Headphone muting on/off control signal (L: muting on)
O Power amplifi er and sub woofer amplifi er on/off control signal output (H: amplifi er on)
I Speaker protect detection signal input from speaker protect circuit (L: protector on)
O PLL serial data transfer clock signal output to the tuner unit
I PLL serial data input from the tuner unit
O PLL serial data output to the tuner unit
O PLL chip enable signal output to the tuner unit
I Tuning detection signal input from the tuner unit (L: tuned)
I Not Used. (Open)
I Model setting terminal (L: HCD-ZX66i, H: HCD-ZX99i)
I Not Used. (Open)
I Not Used. (Open)
I Not Used. (Open)
— Ground terminal (for A/D conversion)
I Not Used. (Open)
I A/D Converter reference voltage input terminal (+3.3 V)
— Power supply terminal (+3.3 V) (for A/D conversion)
I Request signal from MP3 decoder IC
HCD-ZX66i/ZX99i
Description
69