JVC CH-X1500 Service Manual page 43

Pin No Symbol
QQ
47 BUS SCK
3 7 63 1515 0
48 POSMO+
49 POSMO-
50 TRAYMO+
51 TRAYMO-
52,53 NC
54 EMPH
55 PWR CONT
56 BUSOUT
57 CD ON
58 NC
59 CD MUTE
60 SHOCK
61 NC
68 2X PLAY
69 RW SEL
70,71 NC
72 GND
73 MP3 DI
74 MP3 DO
75 MP3 CK
76 MP3 RESET
77 MP3 STB
78 CD CHECK
79 LED
80 EPROM CLR
TE
L 13942296513
81 VDD
82 MAG IN
83 TRAY IN
84 TRAY OUT
85 REST
86 DAC PDN
87 DAC CSN
88 DAC CCLK
89 DAC CDTI
90 NC
91 DSP RESET
92 CCE
93 BUCK
94 VPP
95~98 BUS0~3
99100 NC
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I/O
I/O JVC BUS colck input/ooutput
O Position motor control output
O Position motor control output
O Tray motor control output
O Tray motor control output
- Non connect
O Emphasis select output H:ON
O Output for power control H:ON
O JVC BUS output
O CD power supply control (5V) H:ON
- Non connect
O CD mute output H:mute ON
I Shock detection input Shock:L
- Non connect
O 2x speed playback corespond RF frequency response select output (2x:L)
O CD-RW select output (RW:L)
- Non connect
- GND
I CD MP3 data input
O CD MP3 data output
O Clock for CD MP3 data
O CD MP3 reset
O CD MP3 standby output (H:standby)
I CD CHECK mode input (only reset mode)
O Lifter LED output
I EPROM clear input
- Connect to 5V
I Magazin switch L:magazin in
I Tray return switch L: complete return
I Tray loading switch L:complete loading
I Rest switch
O DAC power down mode
O DAC chip select output
O DAC clock data output
O DAC data output
O Non connect
O CD DSP reset
O CD DSP chip enable
O Clock for CD DSP data
- Connect to GND
I/O CD DSP data 0 ~ 3
I Non connect
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Function
2 9
8
Q Q
3 6 7 1 3 1 5
co
.
9 4 2 8
0 5 8 2 9 9 4 2 8
m
CH-X1500
9 9
9 9
1-43