Hitachi VIV-E553LE - Page 102

Abbreviation
z 3
r 2 @
OSD RESET Outputs "Lo" with power on and is set to open with power off to initialize
Lo
Lo IC904 (CHARA. GEN.).
| 30 | © | (Pulse) [CEvF-cS__[Notused, ——“—s—“—Cs~—“‘“‘“‘“‘“S™C™C™*™*™*™*™*™*C~‘*”
[32 [| [nn [Notused. Open, —s—“—*‘“—s*s*s—“‘“‘“S*™*™*™*™C™C‘*
fe eee. IC201 (VIEDO DSP) power supply control output. Outputs "Lo" when power Is
turned on and "Hi" when power is turned off to initialize IC201 (VIDEO DSP).
34 oO Camera block power supply control output. Outputs "Hi" when power is turned
CAM RESET
Lo on and "Lo" when power is turned off to initialize the camera block (1C1104: D-
35 O | Hi/Lo f4SEL Auto track finding (ATF) pilot signal select output.
Hi/Lo TRK. MOD Output to select the pilot signal from |C601 (ATF).
Hi: VCO output, Lo: Playback (PB) FM signal
3
o
= [--- |GND [Grounded —C—“‘“CS*™S™COC”C‘isCO
I Lo SYSTEM Microprocessor reset input. "Lo" input resets the microprocessor.
RESET[Lo
= [--- [GND (Grounded. C—“CsSOSCSCC“‘“CS™SC*S
(Pulse) |XTAL OUT Drive X901 to generate 12MHz main clock pulses.
12MHz
O
ea (Pulse) |EXTAL IN
12MHz
his HIS [HIRI BIO G |G
CIN & Or]; 0 [Pp = O}o iN
| 1 | (Pulse) [D-STB(DSP) _| For data communications with [C1104 (D-yP) and IC201 (VIDEO DSP).
(Pulse)
| O | (Pulse) |S-DATA(DSP) |
|_1 | (Pulse) _[D-CLOCK(DSP)|
Bae
monitor the charge current.
CHARGE C Charge current detection input. Monitors the charge current during charging.
| 49 | 1 | ov-3v_ [BATTERY _| Input to detect the battery remaining level.
—— | —- GND Grounded.
| 51 | 1 |--- [Avref | Reference voltage input. Connectto3Viine. = CCSCid
| 52 | ----- | ----- | AVdd 3V power input.
53 ||
+B VDET Battery voltage detection input. Monitors the attached battery voltage.
| 55 | 1 | (Pulse) |PB PILOT Playback pilot signal (PB PILOT) input.
56 | OV-3V |VCR KEY1 VCR operation switch detection input (rewind, fast forward, stop) and remote control
data from the AV Jack (pin 17 of JK200).
TRACK ADJ. For the connection of a tracking control for adjustment. When an ATF-R jig is
connected to PG601 (test plug), the variable resistor on the ATF-R jig can be used
as a tracking control.
| 58_| 1 | (Pulse) [EST | Take-uptapeenddetection input. Cd
| 59 | 1 | (Pulse) [Ess | Supply tapeenddetection input, Cd
| 1 | (Pulse) [PB.ENV [Playback (PB)FMsignalinput, Cd
| 61 | 1 | (Pulse) [RSS Supply/take-up reel sensor inputs. Used to calculate the remaining tape and to
| 62 | 1 | (Pulse) [RST _—_—_| detect reel lock.
(Pulse) |C.SYNC
R
63 | 1 | Hito | BATT-S/P Maker of the battery detection input.
el
| 0 |
Composite sync signal input. The separated vertical sync signal is divided by
two to generate the 1/2V.SYNC pulse which Is used to control the cylinder speed
| 65 | 1 | (Pulse) |vcoIn |
Ea