Technical Descriptions - Panasonic CQ-RX200U Service Manual

4 Technical Descriptions

4.1. Terminals Description
4.1.1. Main Block
IC601 : YESAM434 (CQ-RX200U)
Pin Port Description
No
1 DBGP0 Not used
2 DBGP1 Not used
3 DBGP2 Not used
4 RDS CLK Not connected
5 RM DATA Remote control data
6 CDC STB/ CD changer Strobe; or
SYSID4 Hub connection device ID
4
7 EVENT Hub event detection
8 RESET System reset
9 XT1 Crystal oscillator 1
(32.768kHz)
10 XT2 Crystal oscillator 2
(32.768kHz)
11 VSS Ground
12 CF1 Ceramic oscillator 1
(13.50MHz)
13 CF2 Ceramic oscillator 2
(13.50MHz)
14 VDD +5V power supply
15 INI A Initialization mode A
(RX200U: Pulled up; Oth-
ers: Pulled down)
16 VSM Signal meter intensity
(Tuner)
17 INI B Initialization mode B
(Pulled down)
18 USB FLG Not connected
19 USB RESET Not connected
20 NC Not connected
21 SYSID1 Hub connection device ID
1
22 SYSID2 Hub connection device ID
2
23 USB MUTE Not connected
24 CDC DATA Serial data from CD
changer
25 CDC CLK/ Serial clock for CD
SYSID3 changer; or Hub connec-
tion device ID 3
26 CD DI (CD SI) Serial data to CD
27 CD DO (CD Serial data from CD
SO)
28 CD CLK Serial clock for CD
29 CD CE (FS) Chip enable for CD
30 NC Not connected
31 NC Not connected
32 NC Not connected
33 SUB READY0 Sub ready from CD servo
34 REG READY0 Reg. ready from CD servo
35 CD SW1 CD detection switch 1
36 CD SW2 CD detection switch 2
37 CD DMUTE CD mute
38 CD LIMIT SW CD limit detection switch
39 VSS Ground
40 VDD +5V power supply
41 CD MUTE Mute for Pick-up driver
42 CD S/L CD Sleding/Loading mode
switch
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I/O Vol [V]
FM AM CD
- 0 0 0
- 0 0 0
- 0 0 0
- 2.5 2.5 2.5
I 4.6 4.6 4.6
I 0 0 0
I 0 0 0
I 4.9 4.9 4.9
I 1.0 1.0 1.0
O 1.4 1.4 1.4
- 0 0 0
I 1.4 1.4 1.4
O 1.3 1.3 1.3
- 5.0 5.0 5.0
I 4.9 4.9 4.9
I 0 0 0
I 0 0 0
- 0 0 0
- 0 0 0
- 0 0 0
I 5.0 5.0 5.0
I 5.0 5.0 5.0
- 0 0 0
I 0 0 0
I 0 0 0
O 0 0 3.0
I 3.2 3.2 2.2
O 0 0 3.0
O 0 0 0.9
- 0 0 0
- 0 0 0
- 0 0 0
I 5.1 5.1 4.9
I 5.1 5.1 0
I 4.9 4.9 4.9
I 4.9 4.9 4.9
I 0 0 5.1
I 5.1 5.1 5.1
- 0 0 0
- 4.9 4.9 4.9
O 0 0 0
O 4.9 4.9 4.9
5
Pin Port Description
No
43 CD F/R CD loading direction: For-
ward/Reverse
44 CD RESET CD reset
45 HUB ACC Power supply control for
CNT Hub (External device)
46 HUB CNT Hub connection check
request
47 USB ENBL Not connected
48 USB SLP Not connected
49 LCD DI Serial data to LCD
50 LCD DO Serial data from LCD
51 LCD CLK Serial clock for LCD
52 LCD CE Chip enable for LCD CPU
53 E-VOL I2C Serial data for Audio signal
DATA processor (volume)
54 E-VOL I2C Serial clock for Audio sig-
CLK nal processor
55 VDD +5V power supply
56 VSS Ground
57 E-VOL MUTE Not connected
58 POWER CNT System power supply con-
trol
59 STBY Standby mode for Power
amplifier
60 NC Not connected
61 NC Not connected
62 SUB CLK Not connected
OUT
63 NC Not connected
64 BEEP Beep tone
65 USB IN Not connected
66 ACC ACC level detection
67 NC Not connected
68 MODE B Rotary encoder detection
B for volume
69 MODE A Rotary encoder detection
A for volume
70 EXT MUTE Not connected
71 PANEL IN Front panel detection
72 BATT Battery level detection
73 RDS DATA Not connected
74 CDC REM Remote control for CD
OUT changer
75 HUB-TX Transmission data to Hub
76 HUB-RX Reception data from Hub
77 USB RXD Not connected
78 USB TXD Not connected
79 FM MODE Power supply control for
FM mode
80 AM MODE Power supply control for
AM mode
81 MONO Not connected
82 ST FM stereo indication
83 DI/DO Serial data for EEPROM
84 CS Chip select for EEPROM
85 SK Serial clock for EEPROM
86 NC Not connected
87 VREG Connected to capacitor
88 VSS Ground
89 VDD (PLL) +5V power supply
90 OSC FM/AM FM/AM local oscillation
frequency
91 NC Ground
92 FM/AM IFC FM/AM center frequency
93 NC Ground
94 EO FM/AM phase detection
error
I/O Vol [V]
FM AM CD
O 0 0 0
O 4.9 4.9 4.9
O 0 0 0
O 4.9 4.9 4.9
- 0 0 0
- 0 0 0
O 4.9 4.9 4.9
I 4.3 4.3 4.3
O 4.9 4.9 4.9
O 0 0 0
O 4.9 4.9 4.9
O 4.9 4.9 4.9
- 4.9 4.9 4.9
- 0 0 0
- 0 0 0
O 4.9 4.9 4.9
O 4.9 4.9 4.9
- 0 0 0
- 0 0 0
- 0 0 0
- 0 0 0
O 0 0 0
- 0 0 0
I 5.2 5.2 5.2
- 0 0 0
I 5.0 5.0 5.0
I 5.0 5.0 5.0
- 0 0 0
I 4.9 4.9 4.9
I 4.6 4.6 4.6
- 2.5 0 0
O 0 0 0
O 0 0 0
I 0 0 0
- 0 0 0
- 0 0 0
O 4.9 0 0
O 0 4.9 0
- 0 0 0
I 5.1 5.1 5.1
I/O 0 0 0
O 0 0 0
O 0 0 0
- 0 0 0
- 3.0 3.0 3.0
- 0 0 0
- 5.0 5.0 5.0
I 1.4 1.4 1.4
- 0 0 0
I 0 0 0
- 0 0 0
O 2.2 2.2 2.2