Sony Trinitron KV-ES34M61 Service Manual page 63

2. NTSC RF INPUT
Input signal ; NTSC RF color bar, 75%.
[TWIN] mode, [Service] mode.
(i) SUB CONTRAST
Condition : SAJ 00
02
JGL 01
Adjusting parameter:
LEFT ;
RIGHT ;
VR1
VR1 - VR2 = 1.85 ± 0.07 (Vp-p)
(ii) SUB HUE/SUB COL
Condition : SAJ 02
JGL 01
SAJ 10
Adjusting parameter:
LEFT ;
RIGHT ;
VB1 VB2 VB3
VB1 = VB4 ± 70 mV
VB2 = VB3 ± 70 mV
PIC 3F
COL 0
RGB 4
YCT 04 SCT
SYC 04 SCT
VR2
GND
COL 1F
RGB 7
HUO 7
YCT 03 SCL
YCT 00 TNT
SYC 03 SCL
SYC 00 TNT
VB4
3. PAL RF INPUT (KV-ES34M61 ONLY)
Input signal ; PAL RF color bar, 75%.
[TWIN] mode, [Service] mode.
(i) SUB CONTRAST
Condition : SAJ
SAJ
JGL
Adjusting parameter:
LEFT
RIGHT ;
VR1
VR1 - VR2 = 1.85 ± 0.07 (Vp-p)
(ii) SUB HUE/SUB COL
Condition : SAJ
JGL
Adjusting parameter:
LEFT
RIGHT ;
VB1 VB2 VB3
VB2 = VB3 =VB4 = ± 70 mV
– 87 –
KV-ES34M61/ES34N90
RM-916
00 PIC 3F
02 COL 0
01 RGB 4
; YCT 04 SCT
SYC 04 SCT
VR2
GND
02 COL 1F
01 RGB 7
; YCT 03 SCL
SYC 03 SCL
VB4
RM-958