Sony CX-JV77 / JAX-V77 Service Manual ▷ View online
57
CX-JV77
Pin No.
Pin Name
I/O
Description
158
AVS0
—
Analog ground terminal
159
ADIO
O
Output terminal for the test Not used
160
RFDC
I
RF signal input from the RF amplifier
161
CE
I
Center servo analog signal input terminal
162
TE
I
Tracking error signal input from the RF amplifier
163
SE
I
Sled error signal input from the RF amplifier
164
FE
I
Focus error signal input from the RF amplifier
165
VC
I
Center voltage (+1.65V) input terminal
166
VPCO
O
Wide-band EFM PLL charge pump output terminal
167
VCTL
I
Wide-band EFM PLL VCO2 control voltage input terminal
168
FILO
O
Master PLL filter output terminal
169
FILI
I
Master PLL filter input terminal
170
PCO
O
Master PLL charge pump output terminal
171
CLTV
I
Multiplier VCO1 control voltage input terminal
172
AVS1
—
Analog ground terminal
173
RFAC
I
EFM signal input from the RF amplifier
174
BIAS
I
Asymmetry circuit constant current input terminal
175
ASYI
I
Asymmetry comparator voltage input terminal
176
ASYO
O
EFM full-swing output terminal
177
AVD1
—
Analog power supply terminal (+2.5V)
178
VDD7
—
Digital power supply terminal (+2.5V) (for CD-DSP block)
179
SOUT
O
Serial data output terminal Not used
180
SOCK
O
Serial data readout clock signal output terminal Not used
181
XOLT
O
Serial data latch pulse signal output terminal Not used
182
C4M
O
4.2336 MHz clock signal output terminal Not used
183
LOCK
O
GFS is sampled by 460 Hz “H” output when GFS is “H”
184
VSS7
—
Digital ground terminal
185
MD2
I
Digital out on/off control signal input terminal “L”: digital out off, “H”: digital out on
Not used
Not used
186
SCSY
I
Guard subcode sync (S0+S1) resynchronization input terminal Not used
187
PWMI
I
Spindle motor external control signal input terminal Not used
188
VDD8
—
Digital power supply terminal (+2.5V) (for CD-DSP block)
189
XTSL
I
Input terminal for the system clock frequency setting
“L”: 16.9344 MHz, “H”: 33.8688MHz Fixed at “H” in this set
“L”: 16.9344 MHz, “H”: 33.8688MHz Fixed at “H” in this set
190
VSS8
—
Digital ground terminal
191
PVS2
—
Analog ground terminal (for PLL2)
192
LPFI
I
Connected terminal of PLL2 filter
193
LPFO
O
Connected terminal of PLL2 filter
194
PVD2
—
Analog power supply terminal (+2.5V) (for PLL2)
195, 196
NC
—
Not used
197
PVD1
—
Analog power supply terminal (+2.5V) (for PLL1)
198
PVS1
—
Analog ground terminal (for PLL1)
199
TMODE0
I
Selection signal input terminal for the test Not used
200
AUDDTI
I
Serial audio data input terminal Not used
201
AUDDTO0
O
Serial audio data output to the digital filter
58
CX-JV77
Pin No.
Pin Name
I/O
Description
202
AUDDTO1
O
Serial audio data output terminal Not used
203
AUDBCK
O
Serial audio bit clock signal (2.8224 MHz) output to the digital filter
204
AUDLRCK
O
Serial audio L/R sampling clock signal (44.1 kHz) output to the digital filter
205
AUDXCLKO
O
Serial audio clock signal output to the digital filter
206
CLKA
I
Sub system clock input terminal (27 MHz)
207
CLKB
O
Sub system clock output terminal (27 MHz)
208
VDD9
—
Digital power supply terminal (+2.5V) (for CD-DSP block)
209
THRCLK
I
Clock signal input terminal for the test Not used
210
TESTEN
I
Setting terminal for the test Normally: fixed at “L”
211
TCLK
I
Clock signal input terminal for the test Not used
212
TMODE1
I
Selection signal input terminal for the test Not used
213
TRST
I
Reset signal input terminal for the test Not used
214
VSS9
—
Digital ground terminal
215
NC
—
Not used
216
V AVD1
—
Analog power supply terminal (+2.5V) (for D/A converter)
59
CX-JV77
MAIN BOARD IC371 BU2099FV (LOADING/TABLE MOTOR DRIVER)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
N.C.
—
Not used
3
DATA
I
Serial data input from the motor/plunger driver
4
CLOCK
I
Serial data transfer clock signal input from the system controller
5
LCH
I
Latch pulse signal input from the system controller
6
Q0
O
Recording/playback selection signal output terminal
7
BIAS
O
Recording bias control signal output terminal
8, 9
Q2, Q3
O
Not used
10
Q4
O
CD muting on/off control signal output terminal
11
Q5
O
Tuner muting on/off control signal output to the FM/AM tuner pack
12
Q6
O
Power amplifier on/off control signal output terminal
13
Q7
O
Loading motor drive signal output terminal
14
Q8
O
Loading motor drive signal output terminal
15
Q9
O
Table motor drive signal output terminal
16
Q10
O
Table motor drive signal output terminal
17
Q11
O
Front speaker on/off relay drive control signal output terminal
18
SO
O
Serial data output terminal Not used
19
OE
—
Not used
20
VDD
—
Power supply terminal (+3.3V)
60
CX-JV77
PANEL BOARD IC601 LC876964C-52S6-E (SYSTEM CONTROLLER)
Pin No.
Pin Name
I/O
Description
1
O-MP3 CS
O
Chip select signal output to the MP3 decoder Not used
2
MOTOR
O
Capstan/reel motor drive signal output
3
SOL-B
I
Plunger drive signal output (deck-B)
4
SOL-A
I
Plunger drive signal output (deck-A)
5
I-SCOR
(Q-DATA REQ)
I
Subcode Q data request signal input from the CD DSP Not used
6
O-MP3 RESET
O
Reset signal output to the MP3 decoder “L”: reset Not used
7
O-VIDEO-MUTE
I
Video muting control signal output
8
O-VIDEO-SW
I
Video select signal output terminal “L”: VCD, “H”: game
9
I-VOLUME-IN1
I
Jog dial pulse input terminal (VOLUME)
10
I-VOLUME-IN2
I
Jog dial pulse input terminal (VOLUME)
11
RESET
I
System reset signal input terminal “L”: reset
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”
12
I-XT1
I
System clock input terminal (32.768 kHz)
13
O-XT2
O
System clock output terminal (32.768 kHz)
14
VSS1
—
Ground terminal
15
CF1
I
System clock input terminal (10 MHz)
16
CF2
O
System clock output terminal (10 MHz)
17
VDD1
—
Power supply terminal (+3.3V)
18
I-PROTECT
I
Protect signal input from the amplifier circuit
19
WFR/HP/MIC-IN
I
Headphone/microphone detection signal input from the electrical volume
20
I-CD ENCODER
I
Disc tray address detection signal input terminal
21
I-CD
OPEN/CLOSE
I
Disc tray open/close detection signal input terminal
22
I-TAPE A STAT
I
Deck-A cassette detection signal, deck-A mode detection signal and recording (reverse direction)
detection signal input terminal (A/D input)
detection signal input terminal (A/D input)
23
I-TAPE B STAT
I
Deck-B cassette detection signal, deck-B mode detection signal and recording (forward direction)
detection signal input terminal (A/D input)
detection signal input terminal (A/D input)
24
I-STREAM/VACS
I
VACS/stream signal input terminal (A/D input)
25 to 27
I-KEY3 to I-KEY1
I
Front panel key input terminal (A/D input)
28
I-SIRCS IN
I
Remote control signal input terminal
29
I-AC CUT
I
AC detection signal input terminal “L”: AC off
30 to 42
G13 to G1
O
Grid drive signal output to the fluorescent indicator tube
43 to 45
S1 to S3
O
Segment drive signal output to the fluorescent indicator tube
46
VDD3
—
Power supply terminal (+3.3V)
47 to 50
S4 to S7
O
Segment drive signal output to the fluorescent indicator tube
51
–VPP
—
Power supply terminal (–27V)
52 to 65
S8 to S21
O
Segment drive signal output to the fluorescent indicator tube
66
I-SPEC/
MODEL/METER
I
Destination setting signal, model setting signal and VACS/stream gain control signal input
terminal
terminal
67
I-TUNED-IN
I
Tuning detection signal input from the FM/AM tuner pack “L”: tuned
68
I-STEREO-IN
I
FM stereo detection signal input from the FM/AM tuner pack “L”: stereo
69
I-AMS-IN
I
Auto music sensor detection signal input from the electrical volume
“L”: music is present, “H”: music is not present
“L”: music is present, “H”: music is not present
70
I-REEL-A-IN
I
Deck-A tape reel rotating detection signal input terminal
71
I-REEL-B-IN
I
Deck-B tape reel rotating detection signal input terminal
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