Sony CDX-CA650 Service Manual page 14

CDX-CA650/CA650V/CA650X
Pin No. Pin Name
53 CD RST
54 A0
55 STB
56 X EN
57 LIMIT
58 PH1
59 D SW
60 INSW
61 NC (PH3)
62 CD LM LO
63 CD LM EJ
64, 65 NCO
66 AMPATT
67 AMPON
68 CDMD ON
69 ATT
70 VOLATT
71 – 75 NCO
76 COLSW
77 COLSEL
78 DIMSEL
79 XCD ON
80 NCO
81 – 85 NCO
86 E2P SIO
87 E2P CKO
88 NCO
89 FLASH W
90 NS MASK
91 AD ON
92 DOORIND
93 ILLON
94 DOORSW
95 DAVSS
96, 97 REIN1, 0
98 RCIN1
99 RAMBU
100 DAVDD
14
I/O
O Reset signal output for CD servo IC.
O Command/parameter discrimination signal output for CD servo IC.
O Data strobe signal output for CD servo IC.
O Crystal oscillation control output for CD servo IC.
I CD mechanism deck Limit switch detection input
I CD mechanism deck PH1 detection input (Not used in this set)
I CD mechanism deck Down switch detection input
I CD mechanism deck Disc in switch detection input
O CD mechanism deck PH3 detection input (Not used in this set)
O CD mechanism deck loading motor control output (Loading direction)
O CD mechanism deck loading motor control output (Eject direction)
O Not used. (Open)
O Power amplifier attenuator control output
O Power amplifier standby control output
O CD mechanism deck power supply control output
O System attenuator control output
O Electric volume attenuator control output
O Not used. (Open)
Key illumination 1 color/2 color select initial setting input
I
(L: 1 COLOR, H: 2 COLOR) (Fixed at L: CDX-CA650, H: CDX-CA650V/CA650X)
I 1 color initial setting input (L: amber, H: green) (Fixed at L in this set)
Manual dimmer initial setting input (L: dimmer without, H: dimmer with)
I
(Fixed at L: CDX-CA650/CA650X, H: CDX-CA650V)
O CD signal processing crystal drive output
O Not used. (Fixed at L in this set)
O Not used. (Open)
I/O EEPROM serial data input/output
O EEPROM serial clock output
O Not used. (Open)
I Flash microcomputer write detection input
O Noise mask output
O Key power supply control output
O Sub panel power control output
O Illumination power control output
I Front panel OPEN/CLOSE detection input
— D/A converter power supply (–) pin
I Rotary encoder input 1, 0
I Rotary commander SHIFT key input
I Not used. (Fixed at L in this set)
— D/A converter power supply (+) pin (+5 V)
Pin Description