SONY CCU-TX7P
Service Manual

2-6. SWITCH FUNCTIONS ON BOARD
CT-181 board
E1001 TP2006 CT-181
R TALLY
CONTACT POWER

RET FREQ

CV1

R TALLY CONTACT POWER DC24V

S2011 TP1000 E12 S2013 E1000 TP1002
RF AGC DLY

� S2002 (PROMPT SELECT TX/RX) TX : When selecting the TX mode, the CCU modulates the VBS signal input to the PROMPT VIDEO IN connector on the CCU-TX7/TX7P, and modulated signal is sent to the CA-TX7/TX7P. RX : When selecting the RX mode, the CA modulates the VBS signal input to the PROMPT VIDEO IN connector on the CA-TX7/TX7P, and modulated signal is sent to the CCU-TX7/TX7P. Note : When using this switch, change as follows. � In case of using the TX mode (TX side) ; 1) Disconnect CN8 and connect CN3 and CN7 on the CT-181 board. 2) Set S1 and S6 switches to "PROMPTER" side on the YD-25 board of CA-TX7/TX7P. � In case of using the RX mode (RX side) ; 1) Disconnect CN7 and connect CN3 and CN8 on the CT-181 board. 2) Set S1 and S6 switches to "AUX" side on the YD-25 board of CA-TX7/TX7P. Factory setting : TX � S2011 (R TALLY POWER/CONTACT) � S2013 (R TALLY DC24 V/TTL) These switches are set according to the signal standard of the R TALLY signal input to the INTERCOM/TALLY/ PGM connnector on the CCU rear panel. For the relation between the signal and switch setting, refer to the table below. Factory setting : (S2011) POWER (S2013) DC 24 V � S2012 (G TALLY POWER/CONTACT) � S2014 (G TALLY DC 24 V/TTL) These switches are set according to the signal standard of the G TALLY signal input to the INTERCOM/TALLY/ PGM connector on the CCU rear panel. For the relation between the signal and switch setting, refer to the table below. Factory setting : (S2012) POWER (S2014) DC 24 V
Switch Contact S2011, S2012 S2013, S2014 Contact DC 24 V or TTL Signal input method Power (+24 V) TTL (+5 V) Power DC24 V Power TTL

DC24V TTL

LOCAL REMOTE

RV22

G TALLY
CONTACT POWER

TTL R TALLY CONTACT G TALLY POWER DC24V G TALLY TTL MIC 1 GAIN

PROMPT FREQ

S2012 RV23 S2014
PROMPT LEVEL PROMPT TUNE

DC24V TTL

MIC GAIN
NORM MIN MAX

TP21

CH-1

SW1000 SW1001
MIC 2 GAIN RX

LV3 S2002
PROMPT TX

E13 TP22 CN7 CN8
PROMPT RF RX

NORM MIN MAX

CH-2

S1001
PANEL SELECT
REMOTE LOCAL

S1004
RS232C-2

S1000

PANEL

IF BOARD

TP1001 LV2 TP2001

CONTROL MODE
NORMAL SLAVE

NORM CONT MODE

E16 TP2003 TP2002 TP2004 TP2005 TP23

S1002

SLAVE

CT-181 Board (A SIDE)

� S1000 This switch is for the adjustment in the factory. Factory setting : All OFF � S1001 (PANEL REMOTE/LOCAL) When the RCP or COU is connected, the connected one is selected in spite of PANEL setting. Also, when both RCP and COU are connected, RCP or COU is selected according to the PANEL (REMOTE/ LOCAL) setting. Factory setting : REMOTE Note : RCP : Remote Control Panel RCP-TX7 COU : Camera Operation Unit COU-TX7 � S1002 (CONTROL MODE NORMAL/SLAVE) The RCP is only connected or both RCP and COU are connected and then the S1001 switch is set to REMOTE side. In this case, the RCP is valid, and this S1002 switch is invalid. The COU is only connected or both RCP and COU one connected, and then the S1001 switch is set to LOCAL side. In this case, the COU is valid, and this S1002 switch is used as follows ; NORMAL : COU can be used SLAVE : The operation of CCU can be used. COU can not be used. Factory setting : NORMAL � S1004 This switch is used to change the RS-232C and IF BOARD. Factory setting : RS-232C side

� SW1000 (MIC GAIN � CH1) � SW1001 (MIC GAIN � CH2) Use these screws to adjust the microphone amplifier gain for the camera adaptor. The standard level (NORM) is 0 dB, and the gain setting can be adjusted to any of 16 levels from -12 dB (MIX) to +12 dB.

CCU-TX7 (E)/V1

2-7