Toshiba 21E88 Service Manual page 41

15 V saw
16 V OUT
17 H.VCC 9 V
18 -(For TMPA8801)
YS in
(For TMPA8807)
19 Cb input
20 Y input
21 Cr input
22 TV DGND
23 CIN
24 EXT CVBS/Y (V2 IN)
25 TV DVCC
TV IN
26
(V1 in)
(For TMPA8801)
fsc out
(For TMPA8807)
ABCL
27
AU out
28
(For TMPA8801)
Ew out
(For TMPA8807)
IF VCC 9 V
29
TVout
30
SIF out
31
EXT AU in
32
(For TMPA8801)
EXT in
(For TMPA8807)
H.correc/SIF in
33
34 DC NF
35 PIF PLL
SERVICE MANUAL
Terminal to be connected capacitor to generate V saw signal.
V saw amplitude is kept constant by V AGC function.
Output terminal for Vertical driving pulse.
VCC terminal for DEF circuit. Supply 9 V.
Connect to GND via resister
Terminal for switching of PIP mode
PIP signal (YUV input)
1.75V
Main signal (TV/EXT/YC)
GND
Ys voltage
Input terminal for Cb signal.
Input terminal for Y signal. (Input level =1 Vp-p
Input terminal for Cr signal. It is recommended that input
impedance is low.
GND terminal for Digital block.
Input terminal for Chroma signal.
Input terminal for Video signal.
(Input level =1 Vp-p)
VCC terminal for Digital block.
This terminal voltage is clipped about 3.3 V by regulator circuit.
Supply TV DVCC voltage from HVCC
(#17) voltage via 27¦¸ .
Input terminal for Video signal.
(Input level =1 Vp-p)
Output terminal for fsc wave signal.
(Output level =0.55Vp-p typ.)
Input terminal for ABL/ACL control.
Output terminal for Audio signal.
Output terminal for East-West correction signal.
VCC terminal for IF circuit.
Supply 9 V.
Output terminal for detected PIF signal.
(Output level =2.2 Vp-p)
Output terminal for detected SIF signal.
Input terminal for External Audio signal.
Input terminal for EHT feedback signal.
Input terminal for H correction and 2
Terminal to be connected capacitor for DC Negative
Feedback from SIF
Det output.
Terminal to be connected with loop filter for PIF PLL.
This terminal voltage is controlled
PIF VCO frequency.
39
nd
SIF.
(continued)