Technical Information - JVC AV-48WP34 Service Manual

AV-48WP30

TECHNICAL INFORMATION

■ MAIN MICRO COMPUTER (CPU) FUNCTION
(MIN102H57K)
PIN
PIN NAME
№ № № №
1 CONV. SW
2 /VSYNC
3 LB PRO
4 NC
5 /RST
6 CONV. BUSY
7 /TEST
8 YS
9 NC
10 NC
11 A_MUTE
12 /HSYNC
13 M_MUTE
14 OSDXI
15 OSDXO
16 SDA2
17 AC_IN
18 SCL2
19 TU_POW
20 VCOI
21 PDO
22 /IP_RESET
23 YM
24 B
25 LED_POWER
26 G
27 R
28 VREF
29 IP_ERR
30 IREF
31 COMP
32 AVDD
33 CLL
34 VREFLS
35 SUB_CCD
36 NC
37 VSS
38 MAIN_CCD
39 VREFHS
40 CLH
41 VDD
42 LED_DATA
8
I/O I/O
I/O I/O
FUNCTION
O O O O
CONVERGENCE SW
I I I I
V.SYNC IN for OSD
I I I I
LOW B Protection
－
NC
I I I I
Micon Reset input
O O O O
CONV.
I I I I
+3.3V
O O O O
OSD YS OUT
O O O O
Micon test pin
O O O O
NC
O O O O
TV Sound Muting
I I I I
H.sync input for OSD
O O O O
Monitor Out Muting
－
－
2
O O O O
I C BUS (SDA) for MTS
I I I I
AC 50/60Hz in
O O O O 2
I C BUS (SCL) for MTS
O O O O
Tuner Power Control
I I I I
LPF input
O O O O
LPF output
O O O O
O O O O
OSD YM out
O O O O
OSD Blue out
O O O O
LED for Power
O O O O
OSD Green Out
O O O O
OSD Red Out
I I I I
I I I I
AMDP program load det.
I I I I
I I I I
I I I I
+3.3V
I I I I
For Sub CCD
I I I I
STD VOL in for Sub CCD
I I I I
For Sub CCD
－
NC
I I I I
GND
I I I I
For main CCD
I I I I
STD VOL in for CCD
I I I I
For main CCD
O O O O
+3.3V
O O O O
Front control Data
PIN
PIN NAME
№ № № №
43 LED_CLOCK
44 LED_ON_TIMER
45 SBO0
46 SBD0
47 AP DATA
48 INC
49 ECO RST
50 ROT COIL L
51 ROT COIL R
52 H BLK
53 SN COIL_R
54 SN COIL_L
55 BS POW
2
56 I C STOP
57 NC
58 /LOB_POW
59 COMPULINK
60 /POWERGOOD
61 /MECA_ON
62 /MAIN_POW
63 NC
64 /B1 POW
65 C / N
66 X-RAY
67 EE CDS
68 KEY2
69 KEY1
70 SCL1
71 SDA1
72 REMO
73 AP REQ
74 VSS
75 OSC2
76 OSC1
77 VDD
78 SCL0
79 AP CLK
80 SDA0
81 NC
82 NC
83 NC
84 P MUTE
No. 51914
I/O I/O
I/O I/O
FUNCTION
O O O O
F. LED CLK
O O O O
LED on timer
－
－
－
－
O O O O
Eco Reset
O O O O
Picture rotation
O O O O
Picture rotation
O O O O
H.BLK
O O O O
Terrestrial Magnetism Sensor
O O O O ↑
O O O O
BS power control
O O O O 2
I C BUS STOP
－
O O O O
LOB power control
I I I I AV Compulink Ⅲ Input
I I I I
Power Condition Check
I I I I
Machine SW Interrupt
O O O O
MAIN POWER CONTROL
－
NC
O O O O
B1 POWER CONTROL
－
I I I I
X-ray detection
－
I I I I
Front Key input 2
I I I I
Front Key input 1
O O O O 2 2
I C BUS (CLK) for E PROM
I/O I/O I/O I/O 2 2
I C BUS (SDA) for E PROM
I I I I
Remocon IN
－
I I I I
GND
O O O O
4MHz OSC
I I I I
4MHz OSC
I I I I
+3.3V
O O O O 2
I C BUS (CLK) for General
－
I/O I/O
I/O I/O 2
I C BUS (SDA) for General
－
－
－
NC
O O O O
Picture muting