Kenwood RXD-V323 Service Manual page 6

RXD-V323
Pin. No. Name
38 TURNTABLE MOTOR +
39 TURNTABLE MOTOR -
40 TRAY MOTOR +
41 TRAY MOTOR -
42 MOTOR SPEED
43~45
46 AUX
47 TAPE
48 TUNER
49 CD
50,51
52 LED STANDBY
53 TIMER
54 TAPE M/M SW A
55 TAPE M/M SW B
56 VDD
57 VSS
58 TAPE M/H SW A
59 TAPE M/H SW B
60 REC.FWD SW
61 REC.RVS SW
62 REEL PULS A
63 REEL PULS B
64 TAPE M.VCC
65 REC
66 SOL.B
67 DUBBING
68 SOL.A
69 REC.MUTE
70 BIAS
71 A or B
72 REC.BEAT CANCEL
73 TAPE MUTE
74~78
79 SP SW OT
80 REM CODE
81,82
83 JOG ECD A
84 JOG ECD B
85
86 FM STEREO IN
87 SDA
88 SCL
89 VSS2
90 VDD2
91 POWER-SW
92 SYS-MUTE
93 TU-MUTE
94 LINE OUT MUTE
95 EX.BASS OUT
96 V/CANCEL OUT
97 CS
98 RESET
99,100
6
CIRCUIT DESCRIPTION
I/O
O Turntable motor(+) control.
O Turntable motor(-) control.
O Tray motor(+) control.
O Tray motor(-) control.
O Motor speed control.
- - No used.
- No used.
O System muting control.
- No used.
- No used.
- - No used.
O Standby LED control.
O Timer LED control.
I Input port of mode switch for A deck mechanism.
I Input port of mode switch for B deck mechanism.
- Power supply(+5.0V).
- Ground.
I Half switch input of A deck mechanism.
I Half switch input of B deck mechanism.
I REC forward switch input.
I REC reverse switch input.
I Reel pulse input of A deck.
I Reel pulse input of B deck.
- Power supply for deck mechanism.
O Deck recording control.
O Control port of solenoid for deck B.
O Dubbing control.
O Control port of solenoid for deck A.
O REC mute control.
O Deck bias control.
O Deck(A or B) control.
O REC beat cancel.
O Muting control of deck line output.
- - No used.
O Speaker relay control.
I Ground.
- - Ground.
I Input port of jog encoder(A).
I Input port of jog encoder(B).
- - Ground.
I FM stereo signal input.
I/O TDA7439(MAIN PCB,IC104) SDA.
I/O TDA7439(MAIN PCB,IC104) SCL.
- Ground.
- Power supply(+5.0V).
- No used.
O System muting control.
O Tuner muting control.
O Muting control of line out.
- No used.
O Voice cancel out.
O M66004(FL driver) CS.
O M66004(FL driver) reset.
- - No used.
Description
Active
H L
O
O
O
Stop Play
Stop Play
Play Stop
Rec Other
On Off
Dubb Nor
On Off
Other Rec
Rec Other
A B
On Off
On Off
On Off
O
O
Mono Stereo
Off On
On Off
On Off
Off On
O
O