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CHB5**7L
VIDEO BOARD
VIDEO OUTPUT IC102(LM2407) CRT SOCKET BOARD RGB R G B - CUTOFF QR01, QR02, QG01, QG02, QB01, QB02
G1
CRT
S/Cable INPUT & Video Gain Control SOCKET
H-SYNC, V-SYNC
HEATER
MAIN BOARD
H-SYNC,V-SYNC
VER. OUTPUT (2N3904)IC301
FRONT CONTROL BOARD H/V PWM CONTROL IC501 TL494CN
VER. - DY CN301
FOCUS1
SCREEN
CHB5**7L/6**7L/7**7L
H/V FBT T501 210V
H-SYNC1 V-SYNC1 SDA SCL H-SIZE
RGB
Video Pre-Amp IC101(KA2506)
10 Block Diagrams
OSD DRIVE CONTROL IC104(MC4320, MC4322 MC4326)
HOR./VER. OSC PROCESSOR (TDA9109S)
MENU EXIT BRIGHTNESS CONTRAST ENTER High Volt.-DRIVE Q503 H/V OUTPUT (SSP6N90) Q504 H.D.T T401 I-SENSE REGIN HOR.-DRIVE (KSP44)Q443
MICOM (BD24) IC202
+30V
LED POWER
+12V ACL CIRCUIT
VER.-BLANKING (KSC945) Q331
HOR.DEF. STEP-UP IFR630
HOR.OUT (KSC5088) Q447
HOR.DY CN441~3 G1 CONTRAST CONTROL CONTRAST CONTROL
EPROM (24LC04) IC202 TILT +75V +46V +13V -10V +7V TO VIDEO +12V
V-MUTE S-CORRECTION PS-1 (SUSPEND) PS-2 (POWER-OFF) HOR.LIN.
BRIGHTNESS CONTROL PQ12RD11 +12V REGULATOR PS-1,PS-2 (FROM Micom) VER. OUTPUT, TILT & H_Lin. control CRT HEATER CRT HEATER -210V ( FROM FBT)
TO D - COIL ON THE CRT Power PWM Control (KA2S0680) IC601
DEGAUSSING BLOCK RL601 SWITCHING TRANS. T601
BRIGHTNESS CONTROL
AC-INLET SOCKET CN601 RECTIFIER (1N5397GP) D602,D603, D604,D605
LINE FILTER L601
POWER-OFF MODE CONTROL (Q622)
PS-2
10-1
H-SYNC, V-SYNC
HEATER
MAIN BOARD
H-SYNC,V-SYNC
VER. OUTPUT IC301
FRONT CONTROL BOARD
H-SYNC1 V-SYNC1 SDA SCL H-SIZE
VER. - DY CN301
High Voltage CONTROL IC501
FOCUS1,2
SCREEN
10-2
CRT VIDEO OUTPUT CRT SOCKET BOARD RGB IC102(LM2407T) SOCKET R G B - CUTOFF SK1 CONTROL
G1
VIDEO BOARD
RGB
CHB6**7L
10 Block Diagrams
S/Cable INPUT
Video Pre-Amp
IC101(KA2506)
OSD DRIVE CONTROL IC104(MC4320, MC4322 MC4326)
H/V
210V FBT T501 +30V
HOR./VER. OSC PROCESSOR
MICOM
(TDA9109S) IC401
High Volt.-DRIVE Q503
MENU EXIT BRIGHTNESS CONTRAST ENTER I-SENSE REGIN HOR.-DRIVE Q443
IC201
High Voltage CONTROL OUTPUT HOR.- OUT Q447
LED POWER
HOR.-DY CN441 CN443 ACL CIRCUIT
+12V
DDC IC (24LC21A) IC203 VER.-BLANKING GENERATOR (Q301) V-MUTE S-CORRECTION LED PS-1 (SUSPEND) PS-2 (POWEROFF) TILT SWITCHING TRANS. T601 -10V +7V RECTIFIER (D602, D603, D604,D605) +46V +13V PWM CONTROL & SWITCHING FET IC601 +75V
H_Linearity HOR.-DEF. STEP-UP
2
EPROM (24LC04B) IC202
H-DEF. TRANS T402
G1
TO VIDEO +12V +12V REGULATION VER. OUTPUT, TILT & H_LIN. CONTROL CRT HEATER HEATER
TO D - COIL ON THE CRT
DEGAUSSING BLOCK RL601
G1 VOLTAGE CONTROL
-210V ( FROM FBT)
LINE FILTER
AC-INLET SOCKET CN601
L601
POWER-OFF MODE CONTROL (Q621, Q622) +13V To Audio Stand
CHB5**7L/6**7L/7**7L
PS-2
VIDEO BOARD
VIDEO OUTPUT IC102(LM2407) CRT SOCKET BOARD RGB R G B - CUTOFF QR01, QR02, QG01, QG02, QB01, QB02
G1
CRT
CHB7**7L
S/Cable INPUT & Video Gain Control SOCKET
H-SYNC, V-SYNC
HEATER
MAIN BOARD
H-SYNC,V-SYNC
VER. OUTPUT (2N3904)IC301
FRONT CONTROL BOARD
VER. - DY CN301 H/V PWM CONTROL IC501 TL494CN
FOCUS1
SCREEN
CHB5**7L/6**7L/7**7L
H/V FBT T501 210V
H-SYNC1 V-SYNC1 SDA SCL H-SIZE
RGB
Video Pre-Amp IC101(KA2506)
OSD DRIVE CONTROL IC104(MC4320, MC4322 MC4326)
HOR./VER. OSC PROCESSOR (TDA9109S)
MENU EXIT BRIGHTNESS CONTRAST ENTER High Volt.-DRIVE Q503 I-SENSE REGIN HOR.-DRIVE (KSP44)Q443 H.D.T T401
MICOM (BD24) IC202
H/V OUTPUT (SSP6N90) Q504
+30V
LED POWER
DYNAMIC FOCUS T502,Q551 (KSP44)
+12V ACL CIRCUIT HOR.OUT (KSC5088) Q447 HOR.DY CN441~3 G1 CONTRAST CONTROL CONTRAST CONTROL
EPROM (24LC04) IC202 TILT +75V +46V +13V -10V +7V
V-MUTE S-CORRECTION PS-1 (SUSPEND) PS-2 (POWER-OFF) HOR.LIN. VER.-BLANKING (KSC945) Q331
HOR.DEF. STEP-UP IFR630
TO VIDEO +12V PQ12RD11 +12V REGULATOR PS-1,PS-2 (FROM Micom) VER. OUTPUT, TILT & H_Lin. control CRT HEATER CRT HEATER
TO D - COIL ON THE CRT Power PWM Control (KA2S0680) IC601
DEGAUSSING BLOCK RL601 SWITCHING TRANS. T601
BRIGHTNESS CONTROL
BRIGHTNESS CONTROL
-210V ( FROM FBT)
AC-INLET SOCKET CN601 RECTIFIER (1N5397GP) D602,D603, D604,D605
LINE FILTER L601
POWER-OFF MODE CONTROL (Q622)
PS-2
10 Block Diagrams
10-3
10 Block Diagrams
Memo
10-4
CHB5**7L/6**7L/7**7L