Panasonic SAXR55 - A/V RECEIVER, Service Manual

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Pin
No.
Mark I/O Function
12 F_BUSY I/O BUSY control for P
ROM Writing
13 F_CK I
To rewrite P ROM :
CLOCK
14 V_A I Video Selector Control : A
15 F_DA I
To rewrite P ROM :
DATA
16 V_B I Video Selector Control : B
17 REMOTE I Remote Control Signal Input
18 CNVSS /
(VPP)
- 12V supply to rewrite Flash
ROM
19 RESET I Reset Input
20 HOLD I Power Failure Detection
21 V_C I Video Selector Control :C
22 XIN I/O 10MHz Connect to
Oscillator
23 XOUT I/O 10MHz Connect to
Oscillator
24 VSS - Connect to GND
25 AF_MT O MUTE for AF
26 BI_AMP O BI-AMP RELAY
27 SUBW_MT O MUTE for SUBWFR
28 VCR_REC I VCR REC_MUTE control
29 N.C. - No Connection
30 N.C. - No Connection
31 N.C. - No Connection
32 TAPE_REC - TAPE REC OUT MUTE
33 SP_B O B Speaker Relay Control
34 POWER /
_RLY
O Power Relay Control
35 M_RESET O RESET signal for sub P
36 BEAT_PRF O BEAT PROOF Control
Output
37 SP_A O A Speaker Relay Control
38 N.C. - No Connection
39 RDS_CK - RDS IC Control : Clock
40 RDS_DI - RDS IC Control : Data
41 INIT_IN1 I Initialize Setting Input 1
42 INIT_IN2 I Initialize Setting Input 2
43 TUN_SD I SD Input for Tuner
44 TUN_DI/ST I IF data/Stereo detect input
for Tuner Control