Panasonic HDMI SA-XR70E, Service Manual, Page: 104 / 129

19.1. IC6901 (C2BBGF000565):
Microprocessor
Pin
NO.
Terminal Name I/O Function
1 /AMP
_RESET
O LED Driver Control : Clock
2 DC_DET I LED Driver Control : Data
3 D/A_ST I/O LED Driver Control : Strobe
4 E_DT O EEPROM Control : Data
5 E_CK O EEPROM Control : Clock
6 E_CS O EEPROM Control : Chip Select
7 REQS I/O Communication to Sub µP : Request
from Sub µP
8 REQM I/O Communication to Sub µP : Request
from Main µP
9 M_CK O Communication to Main µP : Clock
10 M2S_DT O Communication to Main µP : Serial
Output
11 S2M_DT I Communication to Main µP : Serial
Input
12 F_BUSY I/O To rewrite µP ROM : BUSY
13 F_CK O To rewrite µP ROM : CLOCK
14 V_A I/O Video Selector Control : A
15 F_DA I/O To rewrite µP ROM : DATA
16 V_B I/O 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 AC__SYNC I Power Failure Detection
21 V_C - 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 MUT_ALL O MUTE for all channel
26 MMD - N.C.
27 MUT_SW O MUTE for SUBWFR
28 VCR_REC O VCR REC_MUTE control
29 OSD_CK O OSD Control : Clock
30 OSD_DT I OSD Control : Data
31 OSD_ST I/O OSD Control : Strobe
32 LED_ST1 I #1 LED Driver Control : Latch
33 SP_B O B Speaker Relay Control
34 POWER
_RLY
- Power Relay Control (H ; ON)
35 /M_RESET O RESET signal for sub µP
36 LED_ST2 - N.C.
37 HP_SW/
SP_A
O A Speaker Relay Control
38 MUT_2ND O MUTE for 2nd Audio
39 RDS_CK O RDS IC Control : Clock
40 RDS_DI I 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
45 TUN_CE O CE Output for tuner
46 SEL/TN/
DA_CK
O Input Selector, Tuner and D/A
Control : Clock
47 SEL/TN/
DA_DT
O Input Selector, Tuner and D/A
Control : Data
48 SEL_ST O Input Selector Control : Strobe
49 F_OE O To rewrite µP ROM : ENABLE
50 FL/LED_CK O FL & LED Driver Control : Clock
51 FL/LED_DT I FL & LED Driver Control : Data
Pin
NO.
Terminal Name I/O Function
52 FL_ST I/O FL Driver Control : Strobe
53 TAS_SDA O TAS5036 Control : Data
54 TAS_SCL I/O TAS5036 Control : Clock
55 A/D_ATT I/O A/D attenuator Control
56 /SHORT
_DET
O Output Short Detection (OVERLOAD)
57 VCC - +5V power supply
58 VREF - VCC Connected
59 AVSS - GND Connected
60 THRM_DET I/O Thermal Warning Detection
(CLIPPER)
61 SEL_ENC_A I Input Selector Encoder A
62 SEL_ENC_B I Input Selector Encoder B
63 KEY2 I Key input 2
64 KEY1 I Key input 1
19.2. IC1014 (C2BBGF000566):
Microprocessor
Pin
NO.
Terminal Name I/O Function
1 HOLD I/O Power failure detection
2 DECOUT I Input of DC/DC converter output
correction voltage
3 DECGND O Reference GND for DC/DC converter
output correction
4 - - N.C. (GND)
5 AMPCNT1 O Control output for DC/DC converter 0
to 3V
6 AMPCNT2 I/O Power supply High/Low Tap selection
7 REQS I/O Communication to Main µP : Request
from Sub µP
8 REQM I/O Communication to Main µP : Request
from Main µP
9 SCLK I/O Communication to Main µP : Clock
10 S2M_DT O Communication to Main µP : Serial
Output
11 M2S_DT I Communication to Main µP : Serial
Input
12 F_BUSY I/O µP & external Flash Memory On-
board control : Busy
13 F_CK I/O µP & external Flash Memory On-
board control : Clock
14 F_DTO O External Flash Memory On-board
control : Data Output
15 F_DA I µP & external Flash memory On-
board control : Data In
16 DIRINT1 I/O Interrupt signal 1 from DIR
17 DIRINT0 I/O Interrupt signal 0 from DIR
18 CNVSS/VPP - 12V supply to rewrite Flash ROM
19 /RESET I Reset Input
20 - - No Used (GND)
21 - - No Used (GND)
22 XIN I/O 16.3MHz Connect to Oscillator
23 XOUT I/O 16.3MHz Connect to Oscillator
24 VSS - Connect to GND
25 MUTE O MUTE output
26 A18 - N.C.
27 A17 I/O HDMI Select (L : DIR / H : HDMI)
28 A16 I/O HDMI Request
29 A15 I/O HDMI Chip Select
30 H_SO I/O H_SO (Data Output)
31 S_SI I/O S_SI (Serial Input)
32 S_CK I/O S_CK (6 Lock Signal)
33 - I/O N.C.
19 Terminal Function of ICs
104
SA-XR70E / SA-XR70EB / SA-XR70EG