RXD-V525/V626/V727/V828
8
CIRCUIT DESCRIPTION
SET TYPE TUNER TYPE R1 Volt COMPARE LEVEL
K,P K 91k 4.51
D9h
✜ M,Y,X,I M1 39k 3.98
BDh
M(with SW) M2 22k 3.44
A0h
T T 13k 2.83
82h
E1,E2 E 8.2k 2.25
62h
Q Q 4.7k 1.6
28h
J J 2.7k 1.06
Pin No. Name I/O Connect Description
62 VCC - VCC POWER SUPPLY (+5V)
63 SR-LIMIT O PD CENTER/SURROUND (SUPER WOOFER) SP RELAY CONTROL H=ON / L=OFF
64 VSS - VSS GND
65 B-PH I PU B DECK SPIN DETECT INPUT
66 A-PH I PU A DECK SPIN DETECT INPUT
67 A/B2 O PD DECK A/B CHANGEOVER CONTROL 1
68 A/B1 O PD DECK A/B CHANGEOVER CONTROL 2
69 PLLDO I PU PLL IC DATA INPUT (LC72131)
70 D-RST O PU DOLBY DIGITAL IC RESET OUTPUT (CXD2724Q)
71 D-REDY I PU DOLBY DIGITAL IC READY INPUT (CXD2724Q)
72 D-XLAT O PD DOLBY DIGITAL IC LAT OUTPUT (CXD2724Q)
73 HP-DET-IN I PU HEAD PHONE INPUT H=OFF / L=ON
74 BIAS O PD BIAS ON/OFF CHANGEOVER CONTROL H=ON / L=OFF
75 R/P O PD R/P CHANGEOVER CONTROL H=REC / L=PLAY
76 B.SOL O PD B DECK SOLENOID CONTROL
77 CPM O PD DECK CAPSTAN MOTOR CONTROL
78 PSCLK O PD EXPANDER IC CLOCK INPUT (HD74HC166P)
79 PSIN I PD EXPANDER IC DATA OUTPUT (HD74HC166P)
80 PSLOAD O PD EXPANDER IC DATA LOAD OUTPUT (HD74HC166P)
81 AMUTE O PD AUDIO MUTE
82 ATT O PD -10dB ATTENUATOR L=ON / H-OFF
83 POWER O PD POWER RELAY CONTROL H : ON
84 PROTECT I PD PROTECT DETECT (VOLTAGE DETECT) L=OFF / H=ON
85 SPRELAY O PD SPEAKER RELAY CONTROL H : ON
86 STBY-LED O PD STANDBY LED CONTROL H=ON / L=OFF
87 TIMER-LED O PD TIMER LED CONTROL H=ON / L=OFF
88 A.SOL O PD A DECK SOLENOID CONTROL
89 SPEANA I PD MUSIC SIGNAL INPUT (A-D)
90 MODEL I PD MODEL DISTINCTION INPUT (A-D)
91 TYPE I PD TUNER DESTINATION DISTINCTION INPUT (A-D)
92 DPSS I PD NON-RECORDED SPACES DETECTING INPUT (A-D)
93 - I PD NO USED
94,95 KEY3,2 I PU A-D KEY INPUT 3,2
96 AVSS - VSS GND
97 KEY1 I PU A-D KEY INPUT 1
98 VREF - - A-D INVERTER REFERENCE VOLTAGE INPUT (+5V)
99 AVCC - VCC A-D INVERTER POWER SUPPLY INPUT (+5V)
100 SD I PU SD INPUT
MODEL VOLT COMPARE LEVEL(XH)
XD-V828 4.5
C4h
XD-V727 3.3
80h
XD-V626 1.7
3Bh
XD-V424 0.6
(Pin 90) Model distinction (Pin 91) Tuner destination
✜ These models fix the voltage for M,I,V type.
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